CN107936375A - Low smell sterilization fretting map exempts from spray coating polypropylene composite material and preparation method thereof - Google Patents
Low smell sterilization fretting map exempts from spray coating polypropylene composite material and preparation method thereof Download PDFInfo
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- 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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2323/12—Polypropene
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Abstract
The invention discloses low smell sterilization fretting map to exempt from spray coating polypropylene composite material and preparation method thereof.The PP composite material is carried out processing catabolic enzyme, nano photo-catalytic, lubricant, antioxidant by high-crystallinity polypropylene, microballoon foaming agent, antiscratch resin, low volatility materials adsorbent, bag and is prepared by weight.The adsorption capacity for the low volatility materials adsorbent that the present invention uses is very strong, can effectively prevent the molding component of composite material from producing low volatility pernicious gas；Bag, which carries out processing catabolic enzyme and nano photo-catalytic, can resolve into the low volatility pernicious gas of material harmless carbon dioxide and water；High-crystallinity polypropylene is handled by microballoon foaming, has lower density, elastic, the suitable rigidity of higher；The material that the present invention obtains has the advantages that good mechanical property, light-weight, heat aging property, weather resistance, scratch-resistant, antistatic, low smell, low TVOC contents, can be applied to the fields such as automotive trim, high-grade decoration.
Description
Technical field
The present invention relates to the technical field of modification of polypropylene material, and in particular to a kind of low smell has the micro- of sterilizing function
Spray coating polypropylene composite material and preparation method thereof is exempted from foaming.
Background technology
High-crystallinity polypropylene (HCPP) is that a kind of high performance is resin dedicated, and case hardness is high, and density is small, 0.9-0.91
Gram/cc, isotacticity 98% one 99%, crystallinity has high intensity, high heat-resisting, high rigidity, excellent up to more than 70%
The characteristics of glossiness, wearability, flexural fatigue resistance are good, performance is close to engineering plastics.Since HCPP crystallization temperatures are higher than common
Polypropylene product, thus the product molding cycle be substantially shorter, extremely low density, thus be easy to make the product of manufacture to reach in addition
Thin-walled property, lightweight.Shortcoming is that shrinking percentage is big, relatively not scratch-resistant.Due to above many advantages, polypropylene is in vehicular accessory system
Application aspect is made increasingly to be favored.
PP composite material typically contains certain smell, and it is residual that smell source mainly comes from catalyst in polymerization process
The small molecule chemical combination that thermal-oxidative degradation in the dissolvent residual and process that stay, are added in monomeric compound production process produces
Thing.So cause in-car air quality to decline, seriously affect human body health.State Ministry of Environmental Protection exists with State Administration of Quality Supervision, Inspection and Quarantine for this
In March, 2012, which combines, has issued GB/T27630《Air Quality Evaluation guide in passenger car》, the guide is to in-car 8 kinds main skies
The concentration of gas pollutant has made stringent regulation.So must improve polyacrylic odor properties can just become it is a more
Excellent application material.
It is compound that Chinese invention patent application CN106147019A discloses a kind of low VOC fiber glass reinforced polypropylenes halogen-free flameproof
Material and application；The low VOC pernicious gases of this application adsorbent, nano photo-catalytic adsorption-decomposition function, and there is bactericidal effect,
But nano material common feature is to be easy to reunite, and addition is restricted.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to propose that a kind of low smell has micro- hair of sterilizing function
Bubble exempts from spray coating polypropylene composite material and preparation method thereof.The material is with low odor profiles and with sterilizing function, lower close
Degree, excellent mechanical property, elastic, the suitable rigidity of higher, the dimensional accuracy of higher, more excellent antidetonation resistance to compression buffer compartment
The features such as hot noise reduction, more beautiful surface effect, good processing performance.
Polyacrylic odor profiles in order to improve, the present invention adds the low volatility materials adsorbent of autogamy, it can be effective
The low volatility pernicious gas for preventing the molding component of this material from producing, while the bag added carries out processing catabolic enzyme and nanometer light
The low volatility materials that the molding component of polypropylene material and the member perimeter environment produce effectively can be resolved into nothing by catalyst
Harmful carbon dioxide and water, and bacterium and decomposing organic pollutant can be killed, organic pollution resolve into free of contamination water and
Carbon dioxide, makes automobile inner air quality keep salubrious harmless, the automobile for ensureing to eventually arrive in consumer's hand have one it is pure
The driving environment of health.
At present, energy conservation and environmental protection is the common theme of whole world economic development, thus automotive light weight technology is the major automobile in the whole world
Manufacturer researchs and develops the most important thing of application material, and the situation that plastics use in the car, wherein interior trim plastics account for vehicle plastics
The 60-70% of total amount, that is to say, that interior trim reaches 80-90kg using plastics in each car.Polypropylene material has many excellent
Gesture, density itself is extremely low, is handled by microballoon foaming, makes it have lower density, elastic, the suitable rigidity of higher, more
High dimensional accuracy, more excellent antidetonation resistance to compression buffering heat-insulation noise-reduction, more beautiful matt textured surfaces effect, available for manufacturing
The inner pieces such as bumper core, anticollison block, ceiling on automobile, sunshading board, instrument board, steering wheel, car door, column, rest the head on, help
Hand, boot etc., had not only saved oil consumption but also had improved the safety coefficient of passenger.
To achieve the object of the present invention, the technical solution adopted by the present invention is as follows：
Low smell sterilization fretting map exempts from spray coating polypropylene composite material, in terms of parts by weight, is made of the following raw material：
The bag carries out the catabolic enzyme that processing catabolic enzyme is ECO Co., Ltd. of Japan model ECO-E；
The nano photo-catalytic is Co., Ltd. Lang Jinusi model KV-1N photocatalysts；
The microballoon foaming agent be Japanese Matsumoto Yushi-Seiyaku Co., Ltd.'s production microballoon foaming agent F-230D or Ah
Gram Soviet Union Nobel Expancel microballoon foaming agents in one kind.
The low volatile matter adsorbent is that nano silicon dioxide, zeolite molecular sieve and calcined diatomite are in mass ratio
(0.5-1.5)：(1-3)：(0.5-1.5) mixing composition.
The bag carries out processing catabolic enzyme and is purchased from ECO Co., Ltd. of Japan, and model ECO-E, is that one kind can be with resistance to 350 DEG C
The micron order complex compound of above high temperature, main ingredient are micron order phosphoric acid titanium dioxide, are handled through special parcel, scattered, no
Easily reunite, do not influence using effect, can have light or it is unglazed under conditions of water in catalytic air and oxygen oxidation occurs also
Original reaction, produces hydroxyl free radical and negative oxygen ion with Strong oxdiative, causes the associative key of organic compound gas intramolecular
Fracture, is broken down into harmless carbon dioxide and water and long-term negative ion release；Can be with effectively decomposing formaldehyde, benzene, ammonia, TVOC
Deng organic compound, to environment non-secondary pollution.Bag carries out the component and the member perimeter that processing catabolic enzyme can form the material into
The low volatility materials that environment produces resolve into harmless carbon dioxide and water, and bag carries out the weight that processing catabolic enzyme is nano photo-catalytic
Want synergist.
The nano photo-catalytic is purchased from Co., Ltd. Lang Jinusi, and trade name LONGINUS, model KV-1N, makes
Smaller than general nano-titanium dioxide with 1-3nm grade titanium dioxides, particle diameter, specific surface area bigger, reactivity higher, urges light
Change performance to greatly promote, while doped compound nano silver, rare earth element in titanium dioxide, and it is unique using international advanced doping
Technology, doping metals cation and anionic part, greatly promote photocatalysis performance, spectral response range lifting to full light
Spectrum.Redox reaction can occurs in the water in catalytic air under conditions of full spectrum and oxygen in it, and generation has Strong oxdiative
Hydroxyl free radical and negative oxygen ion, cause the associative key of organic compound gas intramolecular to be broken, can effectively decompose aldehydes,
The organic compounds such as benzene class, ammonia, TVOC, are broken down into harmless carbon dioxide and water and long-term negative ion release, to environment
Non-secondary pollution.The composite nano silver adulterated in titanium dioxide, can destroy the cell membrane of bacterium and cure the protein of virus, can
Bacterium and decomposing organic pollutant are killed, organic pollution is resolved into free of contamination water (H2) and carbon dioxide (CO O2), thus
Closing can be effectively purified with extremely strong sterilization, deodorization, mould proof, anti-fouling and self-cleaning, air purification function, therefore nano photo-catalytic
Air in space.
Calcined diatomite average grain diameter in the low volatile matter adsorbent is 5-10 μm；Low volatile matter adsorbent
Very big specific surface area is suffered from, adsorption capacity is strong, can effectively prevent the molding component of high-crystallinity polypropylene composite material
Produce low volatility pernicious gas.
Microballoon foaming agent is a kind of core shell structure, and shell is birdsed of the same feather flock together compound for thermoplastic acrylic resin, and kernel is alkanes
The sphere plastic particle of gas composition.Diameter is 10-45 microns general, and volume, which can expand rapidly, after heating increases to itself tens
Times, so as to reach the effect of foaming.Microballoon foaming temperature range, can be according to various different processing temperatures and work from 75 DEG C -260 DEG C
Skill requires to select most suitable microballoon model.Microballoon foaming agent is aided with suitable processing temperature, can answer high-crystallinity polypropylene
The component of condensation material manufacture produces graceful matt pile effects, at the same obtain lower density, higher it is elastic, suitable firm
Property, the dimensional accuracy of higher, more excellent antidetonation resistance to compression buffering heat-insulation noise-reduction, available for automotive trim, show high-grade quality fully.
Material can 100% recycling.
Further to realize the object of the invention, it is preferable that the high-crystallinity polypropylene for highly crystalline copolymer polypropylene or
One or both of highly crystalline homopolypropylene mixture.
Preferably, the cyclenes hydrocarbon type copolymer is selected from the TOPAS 6015 of Polyplastics.
Preferably, the antioxidant for antioxidant 1010, DSTP and high molecular weight thio esters 412S in mass ratio
0.2-0.4：0.1-0.2：0.1-0.2 mixing compositions.
Preferably, the antioxidant is the mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight
For 0.2：0.1：0.1 mixing composition.
Preferably, the uvioresistant auxiliary agent is the combination of one or both of UV770 and UV788.
Preferably, the antistatic additive is PELESTAT 300 or double (beta-hydroxyethyl) coco amine of Sanyo's chemical conversion.
Preferably, the lubricant is silicone master batch and calcium stearate.
The low smell sterilization fretting map exempts from the preparation method of spray coating polypropylene composite material, includes the following steps：
1) low volatile matter adsorbent, bag shoe processing catabolic enzyme, nano photo-catalytic are respectively dried stand-by；
2) in terms of parts by weight, by 70-91.4 parts of high-crystallinity polypropylene, 2-8 parts of cyclenes hydrocarbon type copolymer, dried it is low
1-4 parts of volatile substance adsorbent, 0.2-0.5 parts of antioxidant, 0.2-0.5 parts of uvioresistant auxiliary agent, 3-7 parts of antistatic additive, lubrication
0.5-2 parts of agent, adds in high-speed mixer and mixes, obtain mixture component A；
3) bag dried is carried out into processing catabolic enzyme and nano photo-catalytic is uniformly mixed, obtain mixture B component；
4) in terms of parts by weight, using 1-3 parts of microballoon foaming agent as C components；
5) component A is added from the main spout of double screw extruder, first side feeding of the B component from double screw extruder
Mouth adds, and C components are added in the second side spout, 170-190 DEG C of melting mixing is passed through in double screw extruder, through water
Cold, tie rod, air-dries, pelletizing, and low smell sterilization fretting map is made and exempts from spray coating polypropylene composite material.
Preferably, the time mixed in the addition high-speed mixer is 5-8 minutes.
Cyclenes hydrocarbon type copolymer (COC) of the present invention is to be acted on by double-heptene monomer and vinyl monomer in metallocene catalyst
Copolymer made from lower copolymerization, is high-quality and high-purity amorphism cyclic resin, has good compatibility with polypropylene.COC
Feature：Density is small, about lower by 10% than PMMA and PC, is conducive to product lightweight, and saturated water absorption is small, and COC water absorption rates are far below
PMMA, will not produce the influence for causing physical property to decline because of water suction, belong to high-fire resistance transparent resin, easily injection moulding；Mechanicalness
Excellent, the tensile strength of energy, modular ratio PC high；Marresistance is good, and COC pencil hardness is close with PMMA, and light transmittance reaches
More than 91%, optical material can be done.With it is inorganic, organic material cementability is good, polyacrylic scraping and wiping resistance performance can be effectively improved
And rigidity.
High-crystallinity polypropylene (HCPP) of the present invention is that a kind of high-performance is resin dedicated, and case hardness is high, and density is small, 0.9-
0.91 gram/cc, isotacticity 98% one 99%, crystallinity is up to 70%.With high intensity, high rigidity, high-fire resistance, excellent
The features such as good glossiness and wearability, be conducive to lightweight, the thin-walled property of product.
Antioxidant of the present invention is the thio esters 412S 0.2-0.4 in mass ratio of antioxidant 1010, DSTP and high molecular weight：
0.1-0.2：0.1-0.2 mixing compositions；It is preferred that the mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight is
0.2：0.1：0.1；Antioxidant can effectively prevent Degradation of Polymer Materials from producing small-molecule substance, produce smell, and influence material
The overall performance of material.
Antistatic additive of the present invention is a kind of high performance permanent anti-static additive, and feature is that have permanent electrostatic dissipation
Ability, and from scrub, moist or humidity influence.
Relative to the prior art, the present invention has the advantages that：
1) high-crystallinity polypropylene composite material of the present invention is handled by microballoon foaming, makes it have lower density, higher
Elastic, suitable rigidity, the dimensional accuracy of higher, more excellent antidetonation resistance to compression buffering heat-insulation noise-reduction, produce more beautiful table
Face effect, can be used for making automobile top grade interior material.
2) present invention bag carries out important synergist of the processing catabolic enzyme as nano photo-catalytic, be one kind can with resistance to 350 DEG C with
The micron order complex compound of upper high temperature, is easily dispersed, and is not easy to reunite, can be by the molding component of Low-odor polypropylene material and the portion
The low volatility materials that part surrounding enviroment produce resolve into harmless carbon dioxide and water.
3) the micro nano photo-catalytic being mixed with high-crystallinity polypropylene material of the present invention, can be under conditions of full spectrum
Redox reaction occurs for water and oxygen in catalytic air, produces hydroxyl free radical and negative oxygen ion with Strong oxdiative, leads
The associative key fracture of organic compound gas intramolecular is caused, can effectively decompose the organic compounds such as aldehydes, benzene class, ammonia, TVOC,
Harmless carbon dioxide and water and long-term negative ion release are broken down into, to environment non-secondary pollution；Adulterated in titanium dioxide
Composite nano silver, can destroy bacterium cell membrane and cure virus protein, bacterium and decomposing organic pollutant can be killed,
Organic pollution is resolved into free of contamination water (H2) and carbon dioxide (CO O2), thus with extremely strong sterilization, deodorization, it is mould proof,
Anti-fouling and self-cleaning, air purification function, therefore nano photo-catalytic can effectively purify the air in automobile.
4) low volatile matter adsorbent of the present invention, bag carry out processing catabolic enzyme, the compound air purification of nano photo-catalytic composition
Agent, can effectively purify the air in automobile so that automobile inner air quality keeps salubrious harmless, reaches the work of air purification
With.
5) present invention, which provides low smell, has the judge mark of the odor profiles qualitative and quantitative of the polypropylene material of sterilizing function
Standard, smell experiment and smell judge that grade performs the PV3900 standards of Volkswagen, and the general volatile organic quantitatively detected closes
Thing content (TVOC) performs the PV3341 standards of Volkswagen, can improve the accuracy and precision of TVOC contents evaluation, kill
The antibacterial effect that goes out performs GB15981 testing standards, and Scratch Resistance can be by GWM14688 standard testings.
6) prior art is using microballoon foaming agent or using fretting map inner decoration material for automobile made of other foaming agents, base
Automobile sandwich layer interior trim is contributed on this, the present invention uses high-crystallinity polypropylene as base material, is aided with heat-resisting, low-density and firm
COC materials, handle through microballoon foaming agent, can be completely used for manufacturing instrument board, steering wheel, car door, column, headrest, handrail etc.
Automobile component, it is not necessary to be only used for sandwich layer interior trim.
Embodiment
To be best understood from the present invention, with reference to embodiment, the invention will be further described, and following embodiments are only pair
The present invention illustrates rather than it is limited.
Embodiment 1
(1) first by antistatic additive (PELESTAT 300), low volatility materials adsorbent (nano silicon dioxide, zeolite point
Son sieve and calcined diatomite are 1 in mass ratio：2：1 mixing composition), bag carries out processing catabolic enzyme, nano photo-catalytic and is respectively dried and treats
With.
(2) by 6 parts of 83.8 parts of high-crystallinity polypropylene and cyclenes hydrocarbon type copolymer (COC), the low volatile matter dried is inhaled
Attached dose 1.5 parts, (mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight is 0.2 to antioxidant：0.1：0.1
Mixing composition) 0.4 part, 0.3 part of UV770 uvioresistants auxiliary agent, 5 parts of the antistatic additive dried (PELESTAT 300), lubrication
1 part of agent (silicone master batch), sequentially adds in high mixer, and mixing obtains mixture A, abbreviation component A in 6 minutes.
(3) 0.5 part of catabolic enzyme of the bag dried shoe processing, 0.3 part of nano photo-catalytic are mixed together uniformly, obtain mixture
B, abbreviation B component.
(4) 1.2 parts of microballoon foaming agent (F-230D), as C components.
(5) component A is added from the main spout of double screw extruder, first side feeding of the B component from double screw extruder
Mouth adds, and C components add (close to the position of die head) in the second side spout, and 170-190 DEG C is passed through in double screw extruder
Melting mixing, water cooled tie rod air-dries pelletizing and is made.The particle injection molding sample preparation on injection molding machine after drying.Resulting materials
Feel is flexible and matt pile effects.
Embodiment 2
(1) first by antistatic additive (double (beta-hydroxyethyl) coco amines), low volatility materials adsorbent (nano silicon dioxide,
Zeolite molecular sieve and calcined diatomite are 0.5 in mass ratio：3：1.5 mixing composition), bag carry out processing catabolic enzyme, nano photo-catalytic
It is respectively dried stand-by.
(2) by 6 parts of 82.7 parts of highly crystalline copolymer polypropylene and cyclenes hydrocarbon type copolymer (COC), the low volatile dried
1.7 parts of matter adsorbent, antioxidant (the thio esters 412S in mass ratio 0.2 of antioxidant 1010, DSTP and high molecular weight：0.：
0.2 mixing composition) 0.4 part, 0.3 part of UV788 uvioresistants auxiliary agent, the antistatic additive dried (double (beta-hydroxyethyl) coco amines)
5 parts, 1 part of lubricant (calcium stearate), sequentially adds in high-speed mixer, and mixing obtains mixture A, abbreviation component A in 6 minutes.
(3) 0.8 part of catabolic enzyme of the bag dried shoe processing, 0.5 part of nano photo-catalytic are mixed together uniformly, obtain mixture
B, abbreviation B component.
(4) 1.6 parts of microballoon foaming agent (the Expancel 930Du120 of Akzo Nobel), as C components.
(5) component A is added from the main spout of double screw extruder, first side feeding of the B component from double screw extruder
Mouth adds, and C components add (close to the position of die head) in the second side spout, and 170-190 DEG C is passed through in double screw extruder
Melting mixing, water cooled tie rod air-dries pelletizing and is made.The particle injection molding sample preparation on injection molding machine after drying.Resulting materials
Feel has stronger elasticity and obvious matt pile effects.
Embodiment 3
(1) first by antistatic additive (PELESTAT 300), low volatility materials adsorbent (nano silicon dioxide, zeolite point
Son sieve and calcined diatomite are 1.5 in mass ratio：1：0. mixing composition), bag carries out processing catabolic enzyme, nano photo-catalytic and is respectively dried
It is stand-by.
(2) by 6 parts of 81.7 parts of high-crystallinity polypropylene and cyclenes hydrocarbon type copolymer (COC), the low volatile matter dried is inhaled
Attached dose 2 parts, (mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight is 0.2 to antioxidant：0.1：0.1 is mixed
It is combined into) 0.4 part, 0.3 part of UV770 uvioresistants auxiliary agent, 5 parts of the antistatic additive dried (PELESTAT 300), lubricant
1 part of (silicone master batch), sequentially adds in high mixer, and mixing obtains mixture A, abbreviation component A in 8 minutes.
(3) 1 part of catabolic enzyme of the bag dried shoe processing, 0.6 part of nano photo-catalytic are mixed together uniformly, obtain mixture B,
Abbreviation B component.
(4) 2 parts of microballoon foaming agent (F-230D), as C components.
(5) component A is added from the main spout of double screw extruder, first side feeding of the B component from double screw extruder
Mouth adds, and C components add (close to the position of die head) in the second side spout, and 170-190 DEG C is passed through in double screw extruder
Melting mixing, water cooled tie rod air-dries pelletizing and is made.The particle injection molding sample preparation on injection molding machine after drying.Resulting materials
Feel has stronger elasticity and more obviously matt pile effects.
Comparative example 1
By 6 parts of 87.3 parts of polypropylene and cyclenes hydrocarbon type copolymer (COC), antioxidant (antioxidant 1010, DSTP and macromolecule
The mass ratio of the thio esters 412S of amount is 0.2：0.1：0.1 mixing composition) 0.4 part, 0.3 part of uvioresistant auxiliary agent (UV770),
5 parts of the antistatic additive dried, 1 part of lubricant (silicone master batch), sequentially adds in high mixer, and mixing obtains mixture in 5-8 minutes,
Pass through 150-190 DEG C of melting mixing in double screw extruder, water cooled tie rod air-dries pelletizing and is made.Particle exists after drying
Injection molding sample preparation on injection molding machine.Resulting materials feel is without elasticity and matt pile effects.
Comparative example 2
(1) first by antistatic additive, (mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight is 0.2：
0.1：0.1 mixing composition), low volatility materials adsorbent, bag carry out processing catabolic enzyme, nano photo-catalytic be respectively dried it is stand-by.
(2) by 87.7 parts of high-crystallinity polypropylene, 2 parts of the low volatile matter adsorbent dried, 0.4 part of antioxidant, UV770
0.3 part of uvioresistant auxiliary agent, 5 parts of antistatic additive, 1 part of lubricant, sequentially adds in high-speed mixer, and mixing must mix for 6 minutes
Expect A, abbreviation component A.
(3) 1 part of catabolic enzyme of the bag dried shoe processing, 0.6 part of nano photo-catalytic are mixed together uniformly, obtain mixture B,
Abbreviation B component.
(4) 2 parts of microballoon foaming agent (F-230D), as C components.
(5) component A is added from the main spout of double screw extruder, first side feeding of the B component from double screw extruder
Mouth adds, and C components add (close to the position of die head) in the second side spout, and 170-190 DEG C is passed through in double screw extruder
Melting mixing, water cooled, tie rod, air-dry, pelletizing is made.The particle injection molding sample preparation on injection molding machine after drying.Gained
Material feel has stronger elasticity and obvious matt pile effects.
The related test method of the present invention is as follows：The PV3900 standards of oder levels Predicated execution Volkswagen.TVOC：It is quantitative
The total volatile organic compounds content (TVOC) of detection performs the PV3341 standards of Volkswagen.Anti-microbial property：Kill bacterium
Effect performs GB15981 testing standards.Scratch Resistance can be by GWM14688 standard testings.
Table 1
As seen from Table 1, do not dose microballoon foaming agent in comparative example 1, resulting materials density apparently higher than embodiment 1-3,
Material feel lacks flexibility and without the pile effects of matt.Low volatility materials adsorbent is not dosed in comparative example 1, bag is carried out
Processing catabolic enzyme and nano photo-catalytic, the oder levels and TVOC numerical value of material are sharply increased, and are no longer complies with automobile and use standard
And environmental requirement, and there is no antibiotic property substantially.
The present invention doses low volatility materials absorption in the material, bag carries out processing catabolic enzyme and nano photo-catalytic so that material
The oder levels of material have reached level-one, and TVOC (μ g/g) numerical value has reached units value, and TVOC has great lifting, significantly surpasses
The index in Chinese invention patent application CN106147019A is crossed：14‐19.Bag carries out processing catabolic enzyme, nano photo-catalytic makes
The bad smell produced with not only eliminating in material and its surrounding enviroment, but also make material and surrounding enviroment that there is superpower antibacterial
Property, reach national antibacterial standard requirement.
Inventor has found, reduces nanometer addition of photodissociation matchmaker, adds the number that bag carries out processing catabolic enzyme so that add
The nano material agglomeration entered declines to a great extent, and dispersiveness is stronger, and processing point is carried out with the micron order bag of the favorable dispersibility of addition
Solution enzyme has given play to the result of synergistic effect.
Scratch-resistant polymer is not dosed in comparative example 2 -- cyclenes hydrocarbon type copolymer (COC), the Δ L increases of material, surface
Hardness reduces, and anti-scratch performance is greatly reduced, while also reduces the bending modulus and tensile strength of material.
Meanwhile the bending modulus (rigidity) of material of the present invention has reached the level of engineering plastic ABS, with other common engineerings
Plastic cement differs very little, and tensile strength is far above common polyolefin, close to ABS.With the addition of microballoon foaming agent, the contraction of material
Rate is on a declining curve, and dimensional accuracy is remarkably reinforced.
Claims (10)
1. low smell sterilization fretting map exempts from spray coating polypropylene composite material, it is characterised in that in terms of parts by weight, by as follows
Raw material forms：
The bag carries out the catabolic enzyme that processing catabolic enzyme is ECO Co., Ltd. of Japan model ECO-E；
The nano photo-catalytic is Co., Ltd. Lang Jinusi model KV-1N photocatalysts；
The microballoon foaming agent is microballoon foaming agent F-230D or Aksu of Japanese Matsumoto Yushi-Seiyaku Co., Ltd.'s production
One kind in the Expancel microballoon foaming agents of Nobel.
The low volatile matter adsorbent is that nano silicon dioxide, zeolite molecular sieve and calcined diatomite are in mass ratio
(0.5-1.5)：(1-3)：(0.5-1.5) mixing composition.
2. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The polypropylene stated is one or both of highly crystalline copolymer polypropylene or highly crystalline homopolypropylene mixture.
3. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The cyclenes hydrocarbon type copolymer stated is selected from the TOPAS 6015 of Polyplastics.
4. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The antioxidant stated is the thio esters 412S 0.2-0.4 in mass ratio of antioxidant 1010, DSTP and high molecular weight：0.1-0.2：
0.1-0.2 mixing compositions.
5. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 4, it is characterised in that：Institute
The antioxidant stated is that the mass ratio of the thio esters 412S of antioxidant 1010, DSTP and high molecular weight is 0.2：0.1：0.1 mixing
Composition.
6. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The uvioresistant auxiliary agent stated is the combination of one or both of UV770 and UV788.
7. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The antistatic additive stated is PELESTAT 300 or double (beta-hydroxyethyl) coco amine of Sanyo's chemical conversion.
8. spray coating polypropylene composite material is exempted from according to the low smell sterilization fretting map described in claim 1, it is characterised in that：Institute
The lubricant stated is silicone master batch and calcium stearate.
9. the low smell sterilization fretting map of claim 1-8 any one of them exempts from the preparation method of spray coating polypropylene composite material,
It is characterized by comprising following steps：
1) low volatile matter adsorbent, bag shoe processing catabolic enzyme, nano photo-catalytic are respectively dried stand-by；
2) in terms of parts by weight, by 70-91.4 parts of high-crystallinity polypropylene, 2-8 parts of cyclenes hydrocarbon type copolymer, the low volatilization dried
1-4 parts of substance adsorber, 0.2-0.5 parts of antioxidant, 0.2-0.5 parts of uvioresistant auxiliary agent, 3-7 parts of antistatic additive, lubricant
0.5-2 parts, add in high-speed mixer and mix, obtain mixture component A；
3) bag dried is carried out into processing catabolic enzyme and nano photo-catalytic is uniformly mixed, obtain mixture B component；
4) in terms of parts by weight, using 1-3 parts of microballoon foaming agent as C components；
5) component A is added from the main spout of double screw extruder, B component adds from the first side spout of double screw extruder
Enter, C components are added in the second side spout, and 170-190 DEG C of melting mixing is passed through in double screw extruder, water cooled, are drawn
Bar, air-dries, pelletizing, and low smell sterilization fretting map is made and exempts from spray coating polypropylene composite material.
10. low smell sterilization fretting map according to claim 9 exempts from the preparation method of spray coating polypropylene composite material, it is special
Sign is：The time mixed in the addition high-speed mixer is 5-8 minutes.
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