CN110279189A - A kind of anti-high voltage protection safety cap of band fluorescent effect - Google Patents

A kind of anti-high voltage protection safety cap of band fluorescent effect Download PDF

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Publication number
CN110279189A
CN110279189A CN201910589405.6A CN201910589405A CN110279189A CN 110279189 A CN110279189 A CN 110279189A CN 201910589405 A CN201910589405 A CN 201910589405A CN 110279189 A CN110279189 A CN 110279189A
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Prior art keywords
parts
preparation
acid
modified
outer helmet
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CN201910589405.6A
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Chinese (zh)
Inventor
田开贵
任仕辉
方有祥
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Hefei Ming Yu High Temperature Technology Co Ltd
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Hefei Ming Yu High Temperature Technology Co Ltd
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Priority to CN201910589405.6A priority Critical patent/CN110279189A/en
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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/30—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by oxidation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/026—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/10—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material by decomposition of organic substances
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/325—Amines
    • D06M13/335—Amines having an amino group bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/40—Fibres of carbon

Abstract

The present invention relates to safety equipment manufacturing technology fields, and in particular to a kind of anti-high voltage protection safety cap of band fluorescent effect.The band anti-high voltage protection safety cap of fluorescent effect of the invention includes outer helmet body and inner lining body, the inner lining body is connect by buffering stand with outer helmet body, other additive injection moldings are mixed with wire mesh using modified phenolic epoxy acrylic resin for the outer helmet body present invention to suppress, networking is first woven using fibrous composite and modified carbon fiber for the inner lining body present invention, then combines the adhesive to be formed with other additives with modified ultra-high molecular weight polyethylene and is formed by curing liner layer.The present invention effectively increases the intensity of helmet main body, the effect of making it have excellent high pressure resistant, waterproof, fire-retardant and radiation protection, the preparation of liner layer also improves the tensile strength and mechanical property for wearing material simultaneously, it is also made to have certain antibacterial, reduce manufacturing cost, practical value with higher and good application prospect.

Description

A kind of anti-high voltage protection safety cap of band fluorescent effect
Technical field
The present invention relates to safety equipment manufacturing technology fields, and in particular to a kind of anti-high voltage protection safety of band fluorescent effect Cap.
Background technique
Safety cap is the steel worn or the shallow dome cap similar to raw material for protecting the crown, prevents alluvium from injuring The protective articles on head.It is made of cap shell, hat lining, lower cheekstrap and back ferrule.Cap shell is hemispherical, firm, smooth and have certain bullet Property, it hits the impact of object and punctures kinetic energy and mainly born by cap shell.There are certain space between cap shell and hat lining, it can buffer, divide Instantaneous impact is dissipated, to avoid or mitigate the direct injury to head.Impact absorption performance, puncture resistance, lateral rigidity, Electrical insulating property, anti-flammability are the requirements to the fundamental technology performance of safety cap.
Currently, there are two types of common crash helmets.One is by metal layer helmet body and be arranged in the intracorporal height of metal layer helmet Strong fiber fabric layer helmet body is constituted, and the crash helmet weight is big, rigidity is too strong, not only the mobility of wearer can be made to be limited System, the performance acted when seriously affecting execution task.Another kind is by plastic layer and to be arranged in the intracorporal high-strength fibre of plastic layer helmet It ties up tissue layer helmet body to constitute, the plastic layer helmet body and high-intensity fiber tissue layer helmet of the crash helmet, which are shown consideration for, closes defective tightness, plastics Certain gap is had between layer helmet body and high-intensity fiber tissue layer helmet body, the presence in gap undoubtedly will affect the safety of the helmet Can, while and existing fabric of high strength fibers layer helmet body thickness is thicker, keep anti-riot helmet very heavy, comfort is low.
Furthermore the environmental protection of inner lining material, sense of touch and material are also as the very important index of crash helmet, current material Environmental-protecting performance and contact sense there are also to be strengthened.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of anti-high voltage protection safety cap of band fluorescent effect, The modified preparation of external helmet body and inner lining body, effectively increases the intensity of helmet main body, makes it have excellent high pressure resistant, anti- The effect of water, fire-retardant and radiation protection, while the preparation of liner layer also improves the tensile strength and mechanical property for wearing material, also So that it has certain antibacterial, manufacturing cost, practical value with higher and good application prospect are reduced.
The present invention solves technical problem and adopts the following technical scheme that
The present invention provides a kind of anti-high voltage protection safety cap of band fluorescent effect, the safety cap includes outer helmet body and inner lining body, The inner lining body is connect by buffering stand with outer helmet body；
The preparation method of the outer helmet body the following steps are included:
A, 80-100 parts of novolac epoxy resins, 1-2 parts of catalyst, 2-4 parts of polymerization inhibitors are mixed by weight, is warming up to 95-100 DEG C, it is added 30-40 parts and is configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, add 5-7 parts of positive silicic acid Ethyl ester, sufficiently react, add 2-4 parts 20wt% dinonylnaphthalene disulfonic acid and 20-30 parts by 7- dimethyl -6- octenoic acid The mixed solution formed with acrylic acid according to 1:2 keeps the temperature 2-4 hours at 100-110 DEG C, rear cooling, and 4-6 is added in cooling procedure Part aniline, 3-5 part vegetable oil acids are uniformly mixed, and to obtain modified phenolic epoxy acrylic resin spare；
B, preparing raw material Si according to mass percent is 0.3-0.5%, and Mg is 0.9-1 .2%, Ce 0.1-0.2%, Cu 0 .5-0.7%, it is 0 .0006-0 .0012% that Mn, which is 0 .015-0 .03%, Zn 4-8%, B for 0 .2-0 .5%, Ti, no Impurity greater than 0.025%, surplus are aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 50-60 parts of ABS, 20-30 parts of step a preparation, 2-5 parts of polyethylene Grafted maleic anhydride, 7-9 parts of fire retardant, 4-6 parts of carbon fibers, 2-4 parts of antibacterial agents, 0.5-1 parts of inorganic fillers, 0.5-1 parts it is anti- Electrostatic agent, 0.2-0.4 part dispersing agent and 0.2-0.4 parts of antioxidants are uniformly mixed to be placed in twin screw helical machine to be squeezed through melting It is spare that it is granulated obtained mixture out；
The inorganic filler is the mixing that mica powder, diatomite, talcum powder and modified carbon nano-tube are formed according to 3:2:2:1 Object；
The modified carbon nano-tube is hydroxylated carbon nanotube；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses the mold that fusant injection temperature is 6-7 MPa for 80-90 DEG C, back pressure by the injection pressure of 130MPa In, maintain dwell pressure in 65-80MPa, pressure maintaining is held time as 0.5-0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, according to parts by weight by 20-30 parts of granite, 10-20 parts of quartz, 4-6 parts of carbonate, 2-4 parts of sulfate and 3-5 parts of stones Black alkene mixing is sent into smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA of certain mass Polymer passes through the stirring of magnetic stirring apparatus at normal temperature, and it is direct by metallic nozzle finally to carry out supersonic oscillations processing again It sprays and forms inorfil, then uniformly coat one layer of size in fiber surface, deposit to and receive on roller, it is uniform to obtain thickness Fibrous composite be sent into an oven carry out segmented be dried for standby；
B, it takes out after ultra-high molecular weight polyethylene being impregnated 10-20 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in In modified graphene oxide solution, dipping takes out drying, is then placed in alcohol vapour after 4-10 minutes, after 50-100 minutes, It takes out dry to get modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 2-4 parts of nano-titanium dioxide, 3-5 parts of silica, 1-3 parts of gas-phase silicas, 2-4 parts of epoxies Prepared by resin, 0.4-0.5 part pentaerythritol stearate, 1-2 parts of stearic acid, 6-8 parts of acrylic acid and 30-40 parts of step b Heating stirring is spare at molten condition in a kettle for modified ultra-high molecular weight polyethylene；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
Preferably, 5-6 parts of metal and oxide powder, institute are additionally added in the step c of the preparation method of the outer helmet body It states metal and oxide powder is that tungsten powder, oxidation bismuth meal and tantalum powder are mixed according to mass ratio 2:1:1.
Preferably, 2-4 parts of phosphor material powder, the fluorescence are additionally added in the step c of the preparation method of the outer helmet body Powder material be zinc sulphide mix silver, zinc sulphide mixes copper and zinc sulphide mixes the mixture that aluminium is formed according to 3:1:2.
Preferably, the modified carbon fiber in the preparation method of the inner lining body in step d the preparation method comprises the following steps:
Carbon fiber filament is placed in N, after N- dimethylacetamide solution is soaked, handles 35 at a temperature of 90-110 DEG C Minute, it is dried after clear water washing, is then placed in graphene oxide solution, dipping takes out drying, then set after 8 minutes It in 90-120 DEG C of alcohol vapour, after 70-90 minutes, adds in N-Methyl pyrrolidone solution, and to N- crassitude P-phenylenediamine and pyromellitic acid anhydride are added in ketone solution；The molar ratio of p-phenylenediamine and pyromellitic acid anhydride is 1.15: It 1,120-140 DEG C after reaction 1-1.5 hours, takes out dry at 100 DEG C, modified carbon fiber long filament is made.
Preferably, the modified graphene oxide in the modified graphene oxide solution the preparation method comprises the following steps:
By graphene oxide, neopelex, Triton X-100 and dispersing agent, in mass ratio 50:1.5: 1:15 is added finely dispersed mixed solution in cell pulverization or Ultrasound Instrument, then by 3 times of volumes of mixed solution, mass concentration be The water-soluble polyamic acid solution of 9wt% is at the uniform velocity added drop-wise in mixed solution in 0 .5-1h, and colloidal sol is made；By colloidal sol stand to After few 12h under indifferent gas atmosphere, colloidal sol is warming up to 300 DEG C with the heating rate of 3 DEG C/min, and keep 1-2h, then with 7 DEG C/heating rate of min is continuously heating to 400 DEG C, and keeps 2-4h, it is clear that ultrasonic wave alkali cleaning, ultrasonic wave are successively carried out to product It washes, pickling, ultrasonic wave water washing, after re-dry and crushing, the modified graphene oxide that partial size is 0.2-0.4 microns is made.
Preferably, segmented dries specific steps in step a in the liner preparation are as follows:
Leading portion drying is warming up to 90 DEG C from 20-30 DEG C with 3 DEG C/min, then with 90 DEG C of temperature 50-60min；It dries in middle section It is dry to be warming up to 105 DEG C from 90 DEG C with 0.5 DEG C/min, then with 105 DEG C of heat preservation 60min；Back segment drying is warming up to 110 from 105 DEG C DEG C, with 110 heat preservation 140min, the moisture on fiber surface is thoroughly evaporated.
Preferably, the fire retardant added in the step c of the preparation method of the outer helmet body is compound flame retardant and expansion stone The mixture that ink is formed according to weight ratio 3:1；
The expanded graphite the preparation method comprises the following steps:
According to mass ratio 2:1:0.3:1.5, by crystalline flake graphite, nitric acid, hydrogen peroxide and phosphoric acid, temperature is that 80 points are reacted at 50 DEG C again Clock, then the sulphur-free expanded graphite that swelling volume is 300-320ml/g is prepared at being 850-900 DEG C in swelling temperature；
The compound flame retardant is the mixing that decabromodiphenylethane, melamine and brominated triazine are formed according to weight ratio 2:2:1 Object.
Preferably, in the step d of the preparation method of the inner lining body by inorfil and modified carbon fiber according to weight ratio 4:1 carries out spunbond using spunbond machine and mesh is made, and controls into lace curtaining speed in 5.5Hz-6.5Hz.
Preferably, the outer helmet body preparation method the following steps are included:
A, 90 parts of novolac epoxy resins, 1.5 parts of catalyst, 3 parts of polymerization inhibitors are mixed by weight, is warming up to 95-100 DEG C, adds Enter 35 parts and be configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, adds 5-7 parts of ethyl orthosilicates, fill Point reaction, add 3 parts 20wt% dinonylnaphthalene disulfonic acid and 25 parts by 7- dimethyl -6- octenoic acid and acrylic acid according to The mixed solution of 1:2 composition, keep the temperature 3 hours at 105 DEG C, rear cooling, addition 5 parts of aniline, 4 parts of vegetable oil acid-mixeds in cooling procedure It is spare that conjunction uniformly obtains modified phenolic epoxy acrylic resin；
B, preparing raw material Si according to mass percent is 0.4%, Mg 1.1%, and Ce 0.15%, Cu 0.6%, Mn are 0.35%, Ti are 0.015-0 .03%, and Zn 6%, B are 0 .0006-0 .0012%, the impurity no more than 0.025%, surplus For aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 55 parts of ABS, 25 parts of step a preparation, 3 parts of polycthylene grafted Malaysias Acid anhydrides, 8 parts of fire retardant, 5 parts of carbon fibers, 3 parts of antibacterial agents, 0.7 part of inorganic filler, 0.7 part of antistatic agent, 0.3 part of dispersing agent With 0.3 part of antioxidant be uniformly mixed be placed in twin screw helical machine through melting extrusion be granulated be made mixture it is spare；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses in the mold that fusant injection temperature is 6-7 MPa for 85 DEG C, back pressure by the injection pressure of 130MPa, Maintain dwell pressure in 65-80MPa, pressure maintaining is held time as 0.5-0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, 25 parts of granite, 15 parts of quartz, 5 parts of carbonate, 3 parts of sulfate and 4 parts of graphenes are mixed and is sent into according to parts by weight In smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA polymer of certain mass, in room temperature The lower stirring by magnetic stirring apparatus finally carries out supersonic oscillations processing again and is directly sprayed by metallic nozzle into inorganic fibre Dimension, then one layer of size is uniformly coated in fiber surface, it deposits to and receives on roller, obtain fibrous composite in homogeneous thickness Progress segmented is sent into an oven to be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 15 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in modification In graphene oxide solution, dipping takes out drying, is then placed in alcohol vapour after 7 minutes, after 70 minutes, takes out drying, i.e., Obtain modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 3 parts of nano-titanium dioxide, 4 parts of silica, 2 parts of gas-phase silicas, 3 parts of epoxy resin, 0.45 part of pentaerythritol stearate, 1.5 parts of stearic acid, 7 parts of acrylic acid and the modified ultra-high molecular mass of 35 parts of step b preparation Heating stirring is spare at molten condition in a kettle for polyethylene；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention is modified preparation to helmet body and inner lining body outside safety cap respectively, uses modified phenolic for the outer helmet body present invention Epoxy acrylic resin mixes other additive injection moldings with wire mesh and suppresses, and passes through rationally matching for alloying component Than and preparation process accurate control, improve the intensity and corrosion resistance of wire mesh, while by between addO-on therapy Synergistic effect, which realizes, improves outer helmet body intensity, while its cold-resistant thermal shock, crack resistence, antistatic performance are also excellent in, together When material composition unique proportion make it have good antibacterial, flame retardant property；
Networking is first woven using fibrous composite and modified carbon fiber for the inner lining body present invention, then uses modified ultra-high molecular mass Polyethylene combines the adhesive to be formed with other additives and is formed by curing liner layer, can assign the higher intensity of material, fire resisting Property and preferable toughness, improve wear material tensile strength and mechanical property, also make it there is certain sustained release efficiently to resist Bacterium performance, effectively reduces manufacturing cost, is able to bear biggish tensile stress without deforming.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, shows So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the scope of protection of the invention.
Embodiment 1.
A kind of anti-high voltage protection safety cap of band fluorescent effect of the present embodiment, the safety cap include outer helmet body and inner lining body, institute Inner lining body is stated to connect by buffering stand with outer helmet body；
The preparation method of the outer helmet body the following steps are included:
A, 80 parts of novolac epoxy resins, 1 part of catalyst, 2 parts of polymerization inhibitors are mixed by weight, is warming up to 95 DEG C, is added 30 parts It is configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, adds 5 parts of ethyl orthosilicates, is sufficiently reacted, then The 20wt% dinonylnaphthalene disulfonic acid for being added 2 parts and 20 parts are made of according to 1:2 7- dimethyl -6- octenoic acid and acrylic acid Mixed solution keeps the temperature 2 hours at 100 DEG C, rear cooling, 4 parts of aniline is added in cooling procedure, 3 parts of vegetable oil acids are uniformly mixed It is spare to modified phenolic epoxy acrylic resin；
B, preparing raw material Si according to mass percent is 0.3%, Mg 0.9%, and Ce 0.1%, Cu are 0 .5%, Mn 0 .2%, Ti is 0 .015%, and Zn 4%, B are 0 .0006%, and the impurity no more than 0.025%, surplus is aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 50 parts of ABS, 20 parts of step a preparation, 2 parts of polycthylene grafted Malaysias Acid anhydrides, 7 parts of fire retardant, 4 parts of carbon fibers, 2 parts of antibacterial agents, 0.5 part of inorganic filler, 0.5 part of antistatic agent, 0.2 part of dispersing agent With 0.2 part of antioxidant be uniformly mixed be placed in twin screw helical machine through melting extrusion be granulated be made mixture it is spare；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses in the mold that fusant injection temperature is 6 MPa for 80 DEG C, back pressure by the injection pressure of 130MPa, dimension Dwell pressure is held in 65MPa, pressure maintaining is held time as 0.5s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, 20 parts of granite, 10 parts of quartz, 4 parts of carbonate, 2 parts of sulfate and 3 parts of graphenes are mixed and is sent into according to parts by weight In smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA polymer of certain mass, in room temperature The lower stirring by magnetic stirring apparatus finally carries out supersonic oscillations processing again and is directly sprayed by metallic nozzle into inorganic fibre Dimension, then one layer of size is uniformly coated in fiber surface, it deposits to and receives on roller, obtain fibrous composite in homogeneous thickness Progress segmented is sent into an oven to be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 10 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in modification In graphene oxide solution, dipping takes out drying, is then placed in alcohol vapour after 4 minutes, after 50 minutes, takes out drying, i.e., Obtain modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 2 parts of nano-titanium dioxide, 3 parts of silica, 1 part of gas-phase silica, 2 parts of epoxy resin, 0.4 Part pentaerythritol stearate, 1 part of stearic acid, 6 parts of acrylic acid and the modified ultra-high molecular weight polyethylene of 30 parts of step b preparation Heating stirring is spare at molten condition in a kettle；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
5 parts of metal and oxide powder, the metal are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment And oxide powder is that tungsten powder, oxidation bismuth meal and tantalum powder are mixed according to mass ratio 2:1:1.
2 parts of phosphor material powder, the phosphor material powder are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment Silver is mixed for zinc sulphide, zinc sulphide mixes copper and zinc sulphide mixes the mixture that aluminium is formed according to 3:1:2.
Modified carbon fiber in the preparation method of the present embodiment inner lining body in step d the preparation method comprises the following steps:
Carbon fiber filament is placed in N, after N- dimethylacetamide solution is soaked, is handled 35 minutes at a temperature of 90 DEG C, It is dried after clear water washing, is then placed in graphene oxide solution, dipping takes out drying, be then placed in 90 DEG C after 8 minutes It in alcohol vapour, after 70 minutes, adds in N-Methyl pyrrolidone solution, and the addition pair into N-Methyl pyrrolidone solution Phenylenediamine and pyromellitic acid anhydride；The molar ratio of p-phenylenediamine and pyromellitic acid anhydride is 1.15:1, and 120 DEG C of reactions 1 are small Shi Hou takes out dry at 100 DEG C, obtained modified carbon fiber long filament.
Modified graphene oxide in the present embodiment modified graphene oxide solution the preparation method comprises the following steps:
By graphene oxide, neopelex, Triton X-100 and dispersing agent, in mass ratio 50:1.5: 1:15 is added finely dispersed mixed solution in cell pulverization or Ultrasound Instrument, then by 3 times of volumes of mixed solution, mass concentration be The water-soluble polyamic acid solution of 9wt% is at the uniform velocity added drop-wise in mixed solution in 0.5-1h, and colloidal sol is made；By colloidal sol stand to After few 12h under indifferent gas atmosphere, colloidal sol is warming up to 300 DEG C with the heating rate of 3 DEG C/min, and keep 1h, then with 7 DEG C/heating rate of min is continuously heating to 400 DEG C, and keeps 2h, product is successively carried out ultrasonic wave alkali cleaning, ultrasonic cleaning, After pickling, ultrasonic wave water washing, re-dry and crushing, the modified graphene oxide that partial size is 0.2-0.4 microns is made.
Segmented dries specific steps in step a in the present embodiment liner preparation are as follows:
Leading portion drying is warming up to 90 DEG C from 20-30 DEG C with 3 DEG C/min, then with 90 DEG C of temperature 50min；Middle section drying from 90 DEG C are warming up to 105 DEG C with 0.5 DEG C/min, then with 105 DEG C of heat preservation 60min；Back segment drying is warming up to 110 DEG C from 105 DEG C, with 110 heat preservation 140min, the moisture on fiber surface is thoroughly evaporated.
The fire retardant added in the step c of the preparation method of the outer helmet body of the present embodiment is that compound flame retardant and expanded graphite are pressed According to the mixture of weight ratio 3:1 composition；
The expanded graphite the preparation method comprises the following steps:
According to mass ratio 2:1:0.3:1.5, by crystalline flake graphite, nitric acid, hydrogen peroxide and phosphoric acid, temperature is that 80 points are reacted at 50 DEG C again Clock, then the sulphur-free expanded graphite that swelling volume is 300-320ml/g is prepared at being 850-900 DEG C in swelling temperature；
The compound flame retardant is the mixing that decabromodiphenylethane, melamine and brominated triazine are formed according to weight ratio 2:2:1 Object.
Inorganic filler in the step c of the preparation method of the outer helmet body of the present embodiment be mica powder, diatomite, talcum powder and The mixture that modified carbon nano-tube is formed according to 3:2:2:1；
The modified carbon nano-tube is hydroxylated carbon nanotube.
By inorfil and modified carbon fiber according to weight ratio 4:1 in the step d of the preparation method of the present embodiment inner lining body Spunbond is carried out using spunbond machine, mesh is made, and control into lace curtaining speed in 5.5HzHz.
Embodiment 2.
A kind of anti-high voltage protection safety cap of band fluorescent effect of the present embodiment, the safety cap include outer helmet body and inner lining body, institute Inner lining body is stated to connect by buffering stand with outer helmet body；
The preparation method of the outer helmet body the following steps are included:
A, 100 parts of novolac epoxy resins, 2 parts of catalyst, 4 parts of polymerization inhibitors are mixed by weight, is warming up to 100 DEG C, is added 40 Part is configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, adds 7 parts of ethyl orthosilicates, sufficiently reacts, The 20wt% dinonylnaphthalene disulfonic acid for adding 4 parts and 30 parts are made of 7- dimethyl -6- octenoic acid and acrylic acid according to 1:2 Mixed solution, keep the temperature 4 hours at 110 DEG C, it is rear cooling, 6 parts of aniline are added in cooling procedure, 5 parts of vegetable oil acids are uniformly mixed It is spare to obtain modified phenolic epoxy acrylic resin；
B, preparing raw material Si according to mass percent be 0.5%, Mg is 1 .2%, Ce 0.2%, Cu 0.7%, Mn 0 .5%, Ti is 0 .03%, and Zn 8%, B are 0 .0012%, and the impurity no more than 0.025%, surplus is aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 60 parts of ABS, 30 parts of step a preparation, 5 parts of polycthylene grafted Malaysias Acid anhydrides, 9 parts of fire retardant, 6 parts of carbon fibers, 4 parts of antibacterial agents, 1 part of inorganic filler, 1 part of antistatic agent, 0.4 part of dispersing agent and 0.4 Part antioxidant, which is uniformly mixed to be placed in twin screw helical machine, is granulated that mixture is made is spare through melting extrusion；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses in the mold that fusant injection temperature is 7 MPa for 90 DEG C, back pressure by the injection pressure of 130MPa, dimension Dwell pressure is held in 80MPa, pressure maintaining is held time as 0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, 30 parts of granite, 20 parts of quartz, 6 parts of carbonate, 4 parts of sulfate and 5 parts of graphenes are mixed and is sent into according to parts by weight In smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA polymer of certain mass, in room temperature The lower stirring by magnetic stirring apparatus finally carries out supersonic oscillations processing again and is directly sprayed by metallic nozzle into inorganic fibre Dimension, then one layer of size is uniformly coated in fiber surface, it deposits to and receives on roller, obtain fibrous composite in homogeneous thickness Progress segmented is sent into an oven to be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 20 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in modification In graphene oxide solution, dipping after ten minutes, takes out drying, is then placed in alcohol vapour, after 100 minutes, takes out dry It is dry to get modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 4 parts of nano-titanium dioxide, 5 parts of silica, 3 parts of gas-phase silicas, 4 parts of epoxy resin, 0.5 Part pentaerythritol stearate, 2 parts of stearic acid, 8 parts of acrylic acid and the modified ultra-high molecular weight polyethylene of 40 parts of step b preparation Heating stirring is spare at molten condition in a kettle；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
6 parts of metal and oxide powder, the metal are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment And oxide powder is that tungsten powder, oxidation bismuth meal and tantalum powder are mixed according to mass ratio 2:1:1.
2-4 parts of phosphor material powder, the fluorescent powder material are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment Material be zinc sulphide mix silver, zinc sulphide mixes copper and zinc sulphide mixes the mixture that aluminium is formed according to 3:1:2.
Modified carbon fiber in the preparation method of the present embodiment inner lining body in step d the preparation method comprises the following steps:
Carbon fiber filament is placed in N, after N- dimethylacetamide solution is soaked, 35 points of processing at a temperature of 110 DEG C Clock is dried after clear water washing, is then placed in graphene oxide solution, and dipping takes out drying, be then placed in after 8 minutes In 120 DEG C of alcohol vapours, after 90 minutes, add in N-Methyl pyrrolidone solution, and into N-Methyl pyrrolidone solution P-phenylenediamine and pyromellitic acid anhydride is added；The molar ratio of p-phenylenediamine and pyromellitic acid anhydride be 1.15:1,140 DEG C After reaction 1.5 hours, dry at 100 DEG C, obtained modified carbon fiber long filament is taken out.
Modified graphene oxide in the present embodiment modified graphene oxide solution the preparation method comprises the following steps:
By graphene oxide, neopelex, Triton X-100 and dispersing agent, in mass ratio 50:1.5: 1:15 is added finely dispersed mixed solution in cell pulverization or Ultrasound Instrument, then by 3 times of volumes of mixed solution, mass concentration be The water-soluble polyamic acid solution of 9wt% is at the uniform velocity added drop-wise in mixed solution in 1h, and colloidal sol is made；Colloidal sol is stood at least 12h Afterwards under indifferent gas atmosphere, colloidal sol is warming up to 300 DEG C with the heating rate of 3 DEG C/min, and keep 2h, then with 7 DEG C/min Heating rate be continuously heating to 400 DEG C, and keep 4h, product is successively carried out ultrasonic wave alkali cleaning, ultrasonic cleaning, pickling, After ultrasonic wave water washing, re-dry and crushing, the modified graphene oxide that partial size is 0.4 micron is made.
Segmented dries specific steps in step a in the present embodiment liner preparation are as follows:
Leading portion drying is warming up to 90 DEG C from 20-30 DEG C with 3 DEG C/min, then with 90 DEG C of temperature 60min；Middle section drying from 90 DEG C are warming up to 105 DEG C with 0.5 DEG C/min, then with 105 DEG C of heat preservation 60min；Back segment drying is warming up to 110 DEG C from 105 DEG C, with 110 heat preservation 140min, the moisture on fiber surface is thoroughly evaporated.
The fire retardant added in the step c of the preparation method of the outer helmet body of the present embodiment is that compound flame retardant and expanded graphite are pressed According to the mixture of weight ratio 3:1 composition；
The expanded graphite the preparation method comprises the following steps:
According to mass ratio 2:1:0.3:1.5, by crystalline flake graphite, nitric acid, hydrogen peroxide and phosphoric acid, temperature is that 80 points are reacted at 50 DEG C again Clock, then the sulphur-free expanded graphite that swelling volume is 300-320ml/g is prepared at being 850-900 DEG C in swelling temperature；
The compound flame retardant is the mixing that decabromodiphenylethane, melamine and brominated triazine are formed according to weight ratio 2:2:1 Object.
Inorganic filler in the step c of the preparation method of the outer helmet body of the present embodiment be mica powder, diatomite, talcum powder and The mixture that modified carbon nano-tube is formed according to 3:2:2:1；
The modified carbon nano-tube is hydroxylated carbon nanotube.
By inorfil and modified carbon fiber according to weight ratio 4:1 in the step d of the preparation method of the present embodiment inner lining body Spunbond is carried out using spunbond machine, mesh is made, and control into lace curtaining speed in 5.5Hz-6.5Hz.
Embodiment 3.
A kind of anti-high voltage protection safety cap of band fluorescent effect of the present embodiment, the safety cap include outer helmet body and inner lining body, institute Inner lining body is stated to connect by buffering stand with outer helmet body；
The preparation method of the outer helmet body the following steps are included:
A, 90 parts of novolac epoxy resins, 1.5 parts of catalyst, 3 parts of polymerization inhibitors are mixed by weight, is warming up to 95-100 DEG C, adds Enter 35 parts and be configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, adds 5-7 parts of ethyl orthosilicates, fill Point reaction, add 3 parts 20wt% dinonylnaphthalene disulfonic acid and 25 parts by 7- dimethyl -6- octenoic acid and acrylic acid according to The mixed solution of 1:2 composition, keep the temperature 3 hours at 105 DEG C, rear cooling, addition 5 parts of aniline, 4 parts of vegetable oil acid-mixeds in cooling procedure It is spare that conjunction uniformly obtains modified phenolic epoxy acrylic resin；
B, preparing raw material Si according to mass percent is 0.4%, Mg 1.1%, and Ce 0.15%, Cu 0.6%, Mn are 0.35%, Ti are 0.015-0 .03%, and Zn 6%, B are 0 .0006-0 .0012%, the impurity no more than 0.025%, surplus For aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 55 parts of ABS, 25 parts of step a preparation, 3 parts of polycthylene grafted Malaysias Acid anhydrides, 8 parts of fire retardant, 5 parts of carbon fibers, 3 parts of antibacterial agents, 0.7 part of inorganic filler, 0.7 part of antistatic agent, 0.3 part of dispersing agent With 0.3 part of antioxidant be uniformly mixed be placed in twin screw helical machine through melting extrusion be granulated be made mixture it is spare；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses in the mold that fusant injection temperature is 6-7 MPa for 85 DEG C, back pressure by the injection pressure of 130MPa, Maintain dwell pressure in 65-80MPa, pressure maintaining is held time as 0.5-0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, 25 parts of granite, 15 parts of quartz, 5 parts of carbonate, 3 parts of sulfate and 4 parts of graphenes are mixed and is sent into according to parts by weight In smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA polymer of certain mass, in room temperature The lower stirring by magnetic stirring apparatus finally carries out supersonic oscillations processing again and is directly sprayed by metallic nozzle into inorganic fibre Dimension, then one layer of size is uniformly coated in fiber surface, it deposits to and receives on roller, obtain fibrous composite in homogeneous thickness Progress segmented is sent into an oven to be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 15 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in modification In graphene oxide solution, dipping takes out drying, is then placed in alcohol vapour after 7 minutes, after 70 minutes, takes out drying, i.e., Obtain modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 3 parts of nano-titanium dioxide, 4 parts of silica, 2 parts of gas-phase silicas, 3 parts of epoxy resin, 0.45 part of pentaerythritol stearate, 1.5 parts of stearic acid, 7 parts of acrylic acid and the modified ultra-high molecular mass of 35 parts of step b preparation Heating stirring is spare at molten condition in a kettle for polyethylene；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
5.5 parts of metal and oxide powder, the gold are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment Belong to and oxide powder is that tungsten powder, oxidation bismuth meal and tantalum powder are mixed according to mass ratio 2:1:1.
3 parts of phosphor material powder, the phosphor material powder are additionally added in the step c of the preparation method of the outer helmet body of the present embodiment Silver is mixed for zinc sulphide, zinc sulphide mixes copper and zinc sulphide mixes the mixture that aluminium is formed according to 3:1:2.
Modified carbon fiber in the preparation method of the present embodiment inner lining body in step d the preparation method comprises the following steps:
Carbon fiber filament is placed in N, after N- dimethylacetamide solution is soaked, 35 points of processing at a temperature of 100 DEG C Clock is dried after clear water washing, is then placed in graphene oxide solution, and dipping takes out drying, be then placed in after 8 minutes In 105 DEG C of alcohol vapours, after 80 minutes, add in N-Methyl pyrrolidone solution, and into N-Methyl pyrrolidone solution P-phenylenediamine and pyromellitic acid anhydride is added；The molar ratio of p-phenylenediamine and pyromellitic acid anhydride is 1.15:1, and 130 DEG C anti- After answering 1-1.5 hours, dry at 100 DEG C, obtained modified carbon fiber long filament is taken out.
Modified graphene oxide in the present embodiment modified graphene oxide solution the preparation method comprises the following steps:
By graphene oxide, neopelex, Triton X-100 and dispersing agent, in mass ratio 50:1.5: 1:15 is added finely dispersed mixed solution in cell pulverization or Ultrasound Instrument, then by 3 times of volumes of mixed solution, mass concentration be The water-soluble polyamic acid solution of 9wt% is at the uniform velocity added drop-wise in mixed solution in 0 .5-1h, and colloidal sol is made；By colloidal sol stand to After few 12h under indifferent gas atmosphere, colloidal sol is warming up to 300 DEG C with the heating rate of 3 DEG C/min, and keep 1.5h, then with 7 DEG C/heating rate of min is continuously heating to 400 DEG C, and keeps 3h, product is successively carried out ultrasonic wave alkali cleaning, ultrasonic cleaning, After pickling, ultrasonic wave water washing, re-dry and crushing, the modified graphene oxide that partial size is 0.3 micron is made.
Segmented dries specific steps in step a in the present embodiment liner preparation are as follows:
Leading portion drying is warming up to 90 DEG C from 20-30 DEG C with 3 DEG C/min, then with 90 DEG C of temperature 55min；Middle section drying from 90 DEG C are warming up to 105 DEG C with 0.5 DEG C/min, then with 105 DEG C of heat preservation 60min；Back segment drying is warming up to 110 DEG C from 105 DEG C, with 110 heat preservation 140min, the moisture on fiber surface is thoroughly evaporated.
The fire retardant added in the step c of the preparation method of the outer helmet body of the present embodiment is that compound flame retardant and expanded graphite are pressed According to the mixture of weight ratio 3:1 composition；
The expanded graphite the preparation method comprises the following steps:
According to mass ratio 2:1:0.3:1.5, by crystalline flake graphite, nitric acid, hydrogen peroxide and phosphoric acid, temperature is that 80 points are reacted at 50 DEG C again Clock, then the sulphur-free expanded graphite that swelling volume is 300-320ml/g is prepared at being 850-900 DEG C in swelling temperature；
The compound flame retardant is the mixing that decabromodiphenylethane, melamine and brominated triazine are formed according to weight ratio 2:2:1 Object.
Inorganic filler in the step c of the preparation method of the outer helmet body of the present embodiment be mica powder, diatomite, talcum powder and The mixture that modified carbon nano-tube is formed according to 3:2:2:1；
The modified carbon nano-tube is hydroxylated carbon nanotube.
By inorfil and modified carbon fiber according to weight ratio 4:1 in the step d of the preparation method of the present embodiment inner lining body Spunbond is carried out using spunbond machine, mesh is made, and control into lace curtaining speed in 6Hz.
Implementation result:
In order to verify implementation result of the invention, performance is carried out to the material and material in the prior art that prepare in the present embodiment Index comparison, wherein comparative example is the common safety cap sold on the market, and wear resistant and impact resistant performance is according to GB2811-2007 performance Implement, antibacterial and mouldproof performance test methods reference standard QB/T2591-2003 is executed, while it is anti-that heat-insulating flame-retardant has also been carried out to it Fiery performance test, test concrete outcome are as follows:
The band anti-high voltage protection safety cap of fluorescent effect of 1-3 of embodiment of the present invention preparation has more preferable than comparative example as seen from the above table Anti-mildew capability, analyze its reason since the present invention is added to antibacterial agent simultaneously and be added to a certain amount of metal and oxide Both powder, which are used cooperatively, can make outer helmet body have excellent sustained-release antibacterial performance, furthermore metal and oxide powder and outer helmet body The wire mesh of middle addition can also play good radiation protection；
Puncture resistance of the invention is also better than comparative example, analyzes reason, first since the present invention in outer helmet body by adding One layer of metal mesh is added, while specific design has been done to the reticular density of metal mesh, the wire that second present invention uses passes through Special component proportion improves the intensity and corrosion resistance of the wire mesh of preparation plus exclusive mixing technology, effectively improves The puncture resistance of outer helmet body；
Flame retardant property of the invention is better than comparative example, and analysis reason is common by fire retardant and expanded graphite since the present invention is added to Fire-retardant fireproof system is formed, the modified phenolic epoxy acrylic resin that furthermore present invention uses has lesser ablating rate, material Mechanical strength it is higher, high-temperature erosion-resistant, ablation resistance are superior, effectively increase the fire retardant performance of outer helmet body；
Lateral rigidity of the invention is better than comparison, on the one hand due to the effect of wire mesh, secondly in other additions of outer helmet body Carbon fiber is interspersed in ABS and modified phenolic epoxy acrylic resin as skeleton in component, and synergistic effect plays between component The good effect for improving intensity；
The present invention also added part phosphor material powder in component, and predominantly zinc sulphide mixes silver, zinc sulphide mixes copper and zinc sulphide, On the one hand it enables to helmet body to have good fluorescent effect at night, and on the other hand these substances can be with outer other groups of helmet body Good compatible between point, the properties of external helmet body are substantially without influence；
Liner layer of the invention passes through the combination of inorfil and modified carbon fiber, then cooperates the modified crosslinking substance prepared solid Change, it is creative that fibrous composite and modified carbon fiber first weave to networking so that it is not easy embrittlement, then with modification superelevation Molecular weight polyethylene combines the adhesive to be formed with other additives and is formed by curing liner layer, and it is higher strong can to assign material Degree, fire resistance and preferable toughness, improve the tensile strength and mechanical property of liner layer material, manufactured liner layer quality Gently, structural strength is high, so that it is cooperateed with work between other addO-on therapies simultaneously for by the modified preparation for graphene oxide With can play the effect for eliminating electrostatic well, while liner layer of the invention is there are also more excellent anti-microbial property.
The index effect of comprehensive upper table simultaneously, the indices of embodiment 1-3 are although better than comparative example, embodiment Also difference, analysis are got off between 1-3, it is seen that the selection of the content and preparation method parameter of component also have to final performance to Close it is important, so the innovative content selection aspect for being also embodied in each component simultaneously of the invention, remaining component of the present invention certainly Selection and content selection are obviously also non-obvious, and those skilled in the art combine the prior art that can think easily absolutely not It arrives.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of anti-high voltage protection safety cap of band fluorescent effect, which is characterized in that the safety cap includes outer helmet body and inner lining body, The inner lining body is connect by buffering stand with outer helmet body；
The preparation method of the outer helmet body the following steps are included:
A, 80-100 parts of novolac epoxy resins, 1-2 parts of catalyst, 2-4 parts of polymerization inhibitors are mixed by weight, is warming up to 95-100 DEG C, it is added 30-40 parts and is configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, add 5-7 parts of positive silicic acid Ethyl ester, sufficiently react, add 2-4 parts 20wt% dinonylnaphthalene disulfonic acid and 20-30 parts by 7- dimethyl -6- octenoic acid The mixed solution formed with acrylic acid according to 1:2 keeps the temperature 2-4 hours at 100-110 DEG C, rear cooling, and 4-6 is added in cooling procedure Part aniline, 3-5 part vegetable oil acids are uniformly mixed, and to obtain modified phenolic epoxy acrylic resin spare；
B, preparing raw material Si according to mass percent is 0.3-0.5%, and Mg is 0.9-1 .2%, Ce 0.1-0.2%, Cu 0 .5-0.7%, it is 0 .0006-0 .0012% that Mn, which is 0 .015-0 .03%, Zn 4-8%, B for 0 .2-0 .5%, Ti, no Impurity greater than 0.025%, surplus are aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 50-60 parts of ABS, 20-30 parts of step a preparation, 2-5 parts of polyethylene Grafted maleic anhydride, 7-9 parts of fire retardant, 4-6 parts of carbon fibers, 2-4 parts of antibacterial agents, 0.5-1 parts of inorganic fillers, 0.5-1 parts it is anti- Electrostatic agent, 0.2-0.4 part dispersing agent and 0.2-0.4 parts of antioxidants are uniformly mixed to be placed in twin screw helical machine to be squeezed through melting It is spare that it is granulated obtained mixture out；
The inorganic filler is the mixing that mica powder, diatomite, talcum powder and modified carbon nano-tube are formed according to 3:2:2:1 Object；
The modified carbon nano-tube is hydroxylated carbon nanotube；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses the mold that fusant injection temperature is 6-7 MPa for 80-90 DEG C, back pressure by the injection pressure of 130MPa In, maintain dwell pressure in 65-80MPa, pressure maintaining is held time as 0.5-0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, according to parts by weight by 20-30 parts of granite, 10-20 parts of quartz, 4-6 parts of carbonate, 2-4 parts of sulfate and 3-5 parts of stones Black alkene mixing is sent into smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA of certain mass Polymer passes through the stirring of magnetic stirring apparatus at normal temperature, and it is direct by metallic nozzle finally to carry out supersonic oscillations processing again It sprays and forms inorfil, then uniformly coat one layer of size in fiber surface, deposit to and receive on roller, it is uniform to obtain thickness Fibrous composite be sent into an oven carry out segmented be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 10-20 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in and changes Property graphene oxide solution in, dipping 4-10 minute after, taking-up drying, be then placed in alcohol vapour, after 50-100 minutes, take It dries out to get modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 2-4 parts of nano-titanium dioxide, 3-5 parts of silica, 1-3 parts of gas-phase silicas, 2-4 parts of epoxies Prepared by resin, 0.4-0.5 part pentaerythritol stearate, 1-2 parts of stearic acid, 6-8 parts of acrylic acid and 30-40 parts of step b Heating stirring is spare at molten condition in a kettle for modified ultra-high molecular weight polyethylene；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer；
The modified carbon fiber the preparation method comprises the following steps:
Carbon fiber filament is placed in N, after N- dimethylacetamide solution is soaked, handles 35 at a temperature of 90-110 DEG C Minute, it is dried after clear water washing, is then placed in graphene oxide solution, dipping takes out drying, then set after 8 minutes It in 90-120 DEG C of alcohol vapour, after 70-90 minutes, adds in N-Methyl pyrrolidone solution, and to N- crassitude P-phenylenediamine and pyromellitic acid anhydride are added in ketone solution；The molar ratio of p-phenylenediamine and pyromellitic acid anhydride is 1.15: It 1,120-140 DEG C after reaction 1-1.5 hours, takes out dry at 100 DEG C, modified carbon fiber long filament is made.
2. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the outer helmet 2-4 parts of phosphor material powder is additionally added in the step c of the preparation method of body, the phosphor material powder is that zinc sulphide mixes silver, vulcanization Zinc mixes copper and zinc sulphide mixes the mixture that aluminium is formed according to 3:1:2.
3. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the modification Modified graphene oxide in graphene oxide solution the preparation method comprises the following steps:
By graphene oxide, neopelex, Triton X-100 and dispersing agent, in mass ratio 50:1.5: 1:15 is added finely dispersed mixed solution in cell pulverization or Ultrasound Instrument, then by 3 times of volumes of mixed solution, mass concentration be The water-soluble polyamic acid solution of 9wt% is at the uniform velocity added drop-wise in mixed solution in 0 .5-1h, and colloidal sol is made；By colloidal sol stand to After few 12h under indifferent gas atmosphere, colloidal sol is warming up to 300 DEG C with the heating rate of 3 DEG C/min, and keep 1-2h, then with 7 DEG C/heating rate of min is continuously heating to 400 DEG C, and keeps 2-4h, it is clear that ultrasonic wave alkali cleaning, ultrasonic wave are successively carried out to product It washes, pickling, ultrasonic wave water washing, after re-dry and crushing, the modified graphene oxide that partial size is 0.2-0.4 microns is made.
4. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the outer helmet body Preparation method step c in be additionally added 5-6 parts of metal and oxide powder, the metal and oxide powder be tungsten powder, Oxidation bismuth meal and tantalum powder are mixed according to mass ratio 2:1:1.
5. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the inner lining body Segmented dries specific steps in step a in preparation method are as follows:
Leading portion drying is warming up to 90 DEG C from 20-30 DEG C with 3 DEG C/min, then with 90 DEG C of temperature 50-60min；It dries in middle section It is dry to be warming up to 105 DEG C from 90 DEG C with 0.5 DEG C/min, then with 105 DEG C of heat preservation 60min；Back segment drying is warming up to 110 from 105 DEG C DEG C, with 110 heat preservation 140min, the moisture on fiber surface is thoroughly evaporated.
6. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the outer helmet body Preparation method step c in the fire retardant that adds be mixing that compound flame retardant and expanded graphite are formed according to weight ratio 3:1 Object；
The expanded graphite the preparation method comprises the following steps:
According to mass ratio 2:1:0.3:1.5, by crystalline flake graphite, nitric acid, hydrogen peroxide and phosphoric acid, temperature is that 80 points are reacted at 50 DEG C again Clock, then the sulphur-free expanded graphite that swelling volume is 300-320ml/g is prepared at being 850-900 DEG C in swelling temperature；
The compound flame retardant is the mixing that decabromodiphenylethane, melamine and brominated triazine are formed according to weight ratio 2:2:1 Object.
7. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the inner lining body Preparation method step d in inorfil and modified carbon fiber are subjected to spunbond using spunbond machine according to weight ratio 4:1 are made Mesh, and control into lace curtaining speed in 5.5Hz-6.5Hz.
8. the anti-high voltage protection safety cap of a kind of band fluorescent effect according to claim 1, which is characterized in that the outer helmet body Preparation method the following steps are included:
A, 90 parts of novolac epoxy resins, 1.5 parts of catalyst, 3 parts of polymerization inhibitors are mixed by weight, is warming up to 95-100 DEG C, adds Enter 35 parts and be configured to solution according to weight ratio 3:1 by polyvinyl butyral and ethyl alcohol, adds 5-7 parts of ethyl orthosilicates, fill Point reaction, add 3 parts 20wt% dinonylnaphthalene disulfonic acid and 25 parts by 7- dimethyl -6- octenoic acid and acrylic acid according to The mixed solution of 1:2 composition, keep the temperature 3 hours at 105 DEG C, rear cooling, addition 5 parts of aniline, 4 parts of vegetable oil acid-mixeds in cooling procedure It is spare that conjunction uniformly obtains modified phenolic epoxy acrylic resin；
B, preparing raw material Si according to mass percent is 0.4%, Mg 1.1%, and Ce 0.15%, Cu 0.6%, Mn are 0.35%, Ti are 0.015-0 .03%, and Zn 6%, B are 0 .0006-0 .0012%, the impurity no more than 0.025%, surplus For aluminium；
It stocks up according to above-mentioned mass percent, wherein aluminium, zinc and magnesium use aluminium ingot, zinc ingot metal and magnesium ingot, aluminium ingot are heated molten Change, add magnesium ingot and zinc ingot metal, stirring fusing is subsequently added into cerium, and heat preservation after being warming up to 870-940 DEG C adds until melting down Other components obtain aluminium alloy base fluid, refining agent are added, then be passed through argon gas and refine to aluminum alloy melt, skim, stand, put Enter chute, adds grain refiner and carry out online crystal grain refinement processing, be then cast into billet, be then squeezed into crin, most After be drawn into alloy wire, be finally woven into wire mesh, reticular density is every square centimeter in the hole 18-24；
C, by weight by the modified phenolic epoxy acrylic resin of 55 parts of ABS, 25 parts of step a preparation, 3 parts of polycthylene grafted Malaysias Acid anhydrides, 8 parts of fire retardant, 5 parts of carbon fibers, 3 parts of antibacterial agents, 0.7 part of inorganic filler, 0.7 part of antistatic agent, 0.3 part of dispersing agent With 0.3 part of antioxidant be uniformly mixed be placed in twin screw helical machine through melting extrusion be granulated be made mixture it is spare；
D, the wire mesh of preparation is laid on to the centre of outer helmet mould, mixture prepared by step c, stirring fusing obtains Then fusant uses in the mold that fusant injection temperature is 6-7 MPa for 85 DEG C, back pressure by the injection pressure of 130MPa, Maintain dwell pressure in 65-80MPa, pressure maintaining is held time as 0.5-0.9s to get to outer helmet body；
The inner lining body the preparation method comprises the following steps:
A, 25 parts of granite, 15 parts of quartz, 5 parts of carbonate, 3 parts of sulfate and 4 parts of graphenes are mixed and is sent into according to parts by weight In smelting furnace, and high temperature melt at molten liquid, then supersonic oscillations processing adds the PLA polymer of certain mass, in room temperature The lower stirring by magnetic stirring apparatus finally carries out supersonic oscillations processing again and is directly sprayed by metallic nozzle into inorganic fibre Dimension, then one layer of size is uniformly coated in fiber surface, it deposits to and receives on roller, obtain fibrous composite in homogeneous thickness Progress segmented is sent into an oven to be dried for standby；
B, it is taken out after ultra-high molecular weight polyethylene being impregnated 15 seconds in concentrated sulfuric acid solution, after clear water washing is dry, is placed in modification In graphene oxide solution, dipping takes out drying, is then placed in alcohol vapour after 7 minutes, after 70 minutes, takes out drying, i.e., Obtain modified ultra-high molecular weight polyethylene；
C, according to parts by weight by 3 parts of nano-titanium dioxide, 4 parts of silica, 2 parts of gas-phase silicas, 3 parts of epoxy resin, 0.45 part of pentaerythritol stearate, 1.5 parts of stearic acid, 7 parts of acrylic acid and the modified ultra-high molecular mass of 35 parts of step b preparation Heating stirring is spare at molten condition in a kettle for polyethylene；
D, mesh is made according to weight ratio 4:1 in the inorfil of preparation and modified carbon fiber and obtains fibrous base layer, then will The molten substance of step c preparation pours leaching on the fiber-reinforced layer by profile extruded equipment, and extrusion molding is formed by curing Liner layer.
CN201910589405.6A 2019-07-02 2019-07-02 A kind of anti-high voltage protection safety cap of band fluorescent effect Withdrawn CN110279189A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113466003A (en) * 2021-06-21 2021-10-01 无锡恩捷新材料科技有限公司 Sample preparation method and sample preparation device for testing sample containing metal foreign matters in ultrahigh molecular weight polyethylene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113466003A (en) * 2021-06-21 2021-10-01 无锡恩捷新材料科技有限公司 Sample preparation method and sample preparation device for testing sample containing metal foreign matters in ultrahigh molecular weight polyethylene

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