CN104119589A - Preparation method for carbon-plastic fiber composite material - Google Patents
Preparation method for carbon-plastic fiber composite material Download PDFInfo
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- CN104119589A CN104119589A CN201310142382.7A CN201310142382A CN104119589A CN 104119589 A CN104119589 A CN 104119589A CN 201310142382 A CN201310142382 A CN 201310142382A CN 104119589 A CN104119589 A CN 104119589A
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K7/00—Use of ingredients characterised by shape
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- C08K7/00—Use of ingredients characterised by shape
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- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
A preparation method for a carbon-plastic fiber composite material comprises the steps: (1) selecting carbon powder, baking to dry and storing at a dry place before mixing, and selecting plastic coming from one of high density polyethylene, polyvinyl chloride, polypropylene, PET, ABS and ultrahigh molecular weight polyethylene; (2) getting carbon powder, thermoplastic plastic, an auxiliary agent and basalt fiber according to the ratio of 80:16:3:1, 70:26:3:1, 60:36:3:1 or 50:46:3:1; and (3) pouring the mixture obtained in the step (2) into an extruder, conveying hot blank plates formed through extrusion by a rotating conveyor, and cooling and cutting during conveying. The material is wide in raw material source, simple in manufacturing technology, simple in equipment, low in cost, stable in dimension, excellent in flame resistance, resistant to mildew and corrosion, good in pest resistance and recyclable.
Description
Technical field
The present invention relates to composite technology, relate in particular to a kind of preparation method of charcoal plastic fiber matrix material.
Background technology
Along with a large amount of use of solid wooden compound floor in recent years, its formaldehyde discharges the indoor environment problem causing and is taken seriously gradually, indoor environmental pollution is mainly caused by these four kinds of pollutents of formaldehyde, benzene, ammonia and radioactive substance, wherein with headed by formaldehyde, in all kinds of sheet material, a large amount of tackiness agents that use, always have formaldehyde and discharge, and formaldehyde can cause human body chronic poisoning, the illnesss such as autonomic nervous dysfunction, it has formed very large threat for personnel's occupational health situation of working in indoor environment.Find after deliberation, bamboo carbon plate PARA FORMALDEHYDE PRILLS(91,95) has very strong adsorption, utilizes the characteristic of the high absorption of bamboo charcoal formaldehyde, can apply it in the processing of matrix material of floor or other sheet material, to reduce the harm of formaldehyde to human body in floor.Current house is warming in order to improve, thermal insulation, more and more toward high airtight, high sound insulation, high heat insulation future development, and inner building materials and finishing material be a lot of chemical preparationss as floor, ceiling and furniture etc. are using, and all bodies of wall are skeleton constructions.In addition, traditional solid wooden floor board is subject to the impact that humiture changes in addition, and cost is higher, the defects such as bacterium of easily being damaged by worms, grow.Traditional Wood plastic composite materials is the important scientific payoffs that matrix material research and development in recent years and waste plastic regeneration utilize, and can be made into sheet material, section bar, tubing etc., is widely used in the industries such as packaging, building, decoration; Wood-plastic products has floor, wall dunnage, top ceiling, staircase boards, decorative sheet, moist-proof board, building template, door-window section bar, handrail, fence, window shutter, roof plate etc. at the application form of building field.
Because wood plastic composite is taking plastics as wild phase, by sawdust, chips, wood shavings or be raw material containing the crop stalk of wood fibre etc., the granular fiber obtaining through simple drying and crushing processing is for filling phase, make plastic wraps fiber, form an island structure, owing to easily producing stress concentration, the reinforced effects that cannot play, cause usually easily brittle failure of wood plastic composite, effect is had a greatly reduced quality.
It is extensive that carbon plastic compound material has raw material sources, manufacturing process is simple, the features such as the simple cost of equipment is low, available Dai Mu, in generation, moulds, in generation, makes pottery and makes multiple product, carbon plastic compound material absorption property is good, thermal expansivity is low, Heat stability is good, good endurance, water-absorbent is little, corrosion-resistant is good, there is wide prospect, it is a kind of rising advanced composite material, it is very extensive that charcoal is moulded product application, every aspect in spreading all trades and professions and living, aspect building structural materials, aspect upholster, can also be applied in the door panel on automobile, base plate, dashboard etc., the conveying tray of all size of logistics aspect application and standard export packages pallet, warehouse place mat plate, all kinds of trs etc. all can adopt charcoal plastic composite board in addition.
Because powdered carbon material is polarity, there is stronger wetting ability, and thermoplastic resin majority is nonpolar macromolecular compound, there is hydrophobicity, so consistency is between the two poor, the cohesive force at interface is very little is difficult to combination, the mechanical property that also can affect charcoal and mould goods; Because two-phase compound interface often becomes area of stress concentration, the key that therefore improves composite materials property is to improve the consistency at interface; The complete processing that at present domestic Mu Su enterprise adopts mostly results from modifying plastics, it is the weighting material using wood materials as plastics, outer power pressurization or splicing are combined wood materials and plastic tie by force, the defect one of this technology is that the polarity wood materials and the nonpolar Compatibility in Plastics that do not plastify are poor, plastics and wood materials, in conjunction with not tight, cause material quality to decline; The 2nd, the material extrusion moulding difficulty taking wood materials as weighting material, quality of item is not high, scrap rate is very high, interface modifier can make to produce strong interface between resin and powdered carbon surface and be combined, can reduce the water-absorbent of powdered carbon simultaneously, improve consistency and the dispersiveness of powdered carbon and resin, so can obviously improve the mechanical property of matrix material.
Summary of the invention
For above defect, the invention provides that a kind of raw material sources are extensive, manufacturing process is simple, the simple cost of equipment is low, dimensional stabilizing, flame retardant properties are good, mildew-resistant corrosion resistant, insect-resistance are good, the preparation method of the charcoal plastic fiber matrix material of goods recycling capable of circulation, to solve many deficiencies of prior art.
For achieving the above object, the present invention is by the following technical solutions:
A preparation method for charcoal plastic fiber matrix material, is mainly made up of following steps:
(1) selecting powdered carbon before mixing, to carry out drying and processing and leave dry place in, selecting the plastics as base material, can be high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein;
Before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, mould in recombination process and add basalt fibre, charcoal fiber or glass fibre at charcoal, the technical recipe of this process is:
According to parts by weight proportioning, the ratio of components of getting powdered carbon, thermoplastics, auxiliary agent, basalt fibre is 80:16:3:1,70:26:3:1,60:36:3:1 or 50:46:3:1,165 DEG C-250 DEG C of screw rod control temperature, and screw speed is 50～100r/min;
(3) by step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing is also hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
As optional, the technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, screw rod control temperature is 165 DEG C.
The technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polypropylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, screw rod control temperature is 190 DEG C.
The technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene terephthalate, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, screw rod control temperature is 250 DEG C.
The technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene, polypropylene, ultra-high molecular weight polyethylene three polyblend, auxiliary agent is 70:10:10:7:3 or 60:13:13:11:3, and screw rod control temperature is 210 DEG C.
Compared with prior art, the preparation method's of charcoal plastic fiber matrix material of the present invention beneficial effect is:
(1) charcoal has unique porous performance after by high-temperature calcination, with plastics compound tense, the plastics under melt-flow state are through the vesicular structure of powdered carbon, and two-phase interface forms the interspersed reticulated structure of porous, greatly increased the specific surface area of wild phase (powdered carbon), and two-phase interface is in conjunction with firm; Present method is according to carbon plastic compound material internal structure and intermolecular different bonding mechanisms and space anisotropy thereof, by expanding interfacial chemistry bonding and physical adsorption, particularly set up the interspersed effect of large-scale interface porous, greatly improve interface binding power and the stability of carbon plastic compound material at key structure level, set up corresponding interface/surface and connect strengthening material model and mechanical model, established the new technology and method of biomass composite interface enhancing; Because powdered carbon is larger than the specific surface area of wood powder, compared with traditional wood plastic composite, this material can be realized powdered carbon high dispersive, high filling in plastics, the in the situation that, technique identical at additive being identical, powdered carbon loading level is high, because the specific surface area of powdered carbon is large, forms the interspersed structure of porous with plastic substrate, still powdered carbon can be realized and plastics are uniformly dispersed, the good advantage of mixing plasticizing; The sample bending strength of preparing with carbon plastic compound material is greater than 50Mpa, be 2～3 times of the sample strength prepared of wood plastic composite, meanwhile, the intensity that charcoal is moulded goods improves along with the rising of powdered carbon addition, powdered carbon loading level can reach 70-80%, can be greatly cost-saving; And general traditional wood plastic composite is the in the situation that of wood powder high filler loading capacity, not good with the melting effect of plastics, be difficult to reach high strength.
(2) can make charcoal moulding material processing characteristics take a turn for the better, thereby overcome to a great extent and to have solved the consistency existing between bamboo wood and non-bamboo wood poor, composite sheet granulation difficulty, cost are high, the series of problems such as gained particle processing difficulties, solve again the problem of " polarity is strong ", " be combined with thermoplastic material difficulty ", simultaneously, in carbon plastic compound material system, introduce basalt long fiber, the netted enhancing structure of basalt long fiber, combines and realizes homogenizing of " the netted increasing of material internal is firm " and matrix material cross section structure on basis two; Set up multiple dimensioned, multi-level mechanical model, bring into play to greatest extent and utilize the potential quality of matrix material, reach the object of matrix material high performance with low value type base mateiral by process optimization.
(3) utilize charcoal, the raw materials such as thermoplastics, produce charcoal plastic composite section bar through special operational path, comprise powdered carbon, the treatment technology of plastics and carbon plastic compound material extruding technology, mould pressing technology and injection molding technology, effectively solve powdered carbon and be combined problem with the interface of Plastic Resin, the over-all properties that can make charcoal mould goods increases substantially: 1. compared with wood plastic composite, because powdered carbon is larger than the specific surface area of wood powder, can realize powdered carbon high dispersive in plastics, high filling, the sample bending strength of preparing with carbon plastic compound material is greater than 50Mpa, 2～3 times of the sample strength prepared of wood plastic composite, 2. carbon composite materials has dimensional stabilizing, and flame retardant properties is good, and mildew resistance, rotproofness, insect-resistance are good: because powdered carbon is through pyroprocessing, wrapped up by macromolecular material, mould lacks the environment growing simultaneously, more excellent than the mildew resistance of Traditional Wood plastic composite materials, rotproofness, 3. charcoal moulding material is environmental protection shaped material, goods recycling capable of circulation, carbon feedstock can come from the various plants fiber process wastes such as a large amount of timber, bamboo wood, at high temperature waste material is become to Carbon Materials, turn waste into wealth, timber, bamboo processing waste at high temperature its objectionable impurities are burnt, be used for house ornamentation field with the compound charcoal plastic composite floor of charcoal, bamboo charcoal and plastics and can improve people's living environment, purify air, because the plastics in raw material are thermoplastic polymer, discarded charcoal is moulded goods recycling again, makes new product.
Brief description of the drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the technological process of production schematic diagram of the preparation method of charcoal plastic fiber matrix material described in the embodiment of the present invention;
Fig. 2 is the extruding-out process schematic flow sheet of the preparation method of charcoal plastic fiber matrix material described in the embodiment of the present invention;
Fig. 3 is the preparation method's of conventional composite materials extruding-out process schematic flow sheet;
Fig. 4 is the plastic substrate reticulated structure schematic diagram of charcoal plastic fiber matrix material described in the embodiment of the present invention;
Fig. 5 is the plastic substrate grainy texture schematic diagram of Traditional Wood plastic fiber matrix material.
Embodiment
embodiment 1
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, thermoplastics, auxiliary agent, basalt fibre is 80:16:3:1,70:26:3:1,60:36:3:1 or 50:46:3:1, screw rod control temperature is adjusted according to thermoplastic molten temperature, and screw speed is 50～100r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
embodiment 2
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, and screw rod control temperature is 165 DEG C, and screw speed is 50～100r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
embodiment 3
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, polypropylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, and screw rod control temperature is 190 DEG C, and screw speed is 50～100r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
embodiment 4
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene terephthalate, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, screw rod control temperature is 250 DEG C, and screw speed is 50～80r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
embodiment 5
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, acrylonitrile-butadiene-styrene copolymer, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, screw rod control temperature is 240 DEG C, and screw speed is 50～80r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
embodiment 6
As Figure 1-5, the preparation method of the charcoal plastic fiber matrix material described in the embodiment of the present invention, its step mainly comprises:
(1) select and process powdered carbon and plastics: powdered carbon carries out drying and processing and leaves dry place in before mixing, select the plastics as base material, can high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein, according to the requirement of cost, raw material sources and cost performance, recycled plastic and new plastic are all used in matrix material preparation;
Formula and batch mixing: before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, for preliminary preparation is made in extrusion or compacting injection, for improving the intensity of goods, also mould and in recombination process, add basalt fibre, charcoal fiber and glass fibre at charcoal.The concrete technology formula of this process is: according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene, polypropylene, ultra-high molecular weight polyethylene three polyblend, auxiliary agent is 70:10:10:7:3 or 60:13:13:11:3, screw rod control temperature is 210 DEG C, and screw speed is 30～60r/min;
(3) composite material forming: step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing also can be hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
Claims (4)
1. a preparation method for charcoal plastic fiber matrix material, is characterized in that, is mainly made up of following steps:
(1) selecting powdered carbon before mixing, to carry out drying and processing and leave dry place in, selecting the plastics as base material, can be high density polyethylene(HDPE), polyvinyl chloride, polypropylene PET, ABS and ultrahigh molecular weight polyethylene(UHMWPE) one wherein;
Before processing according to formula rate, powdered carbon, plastics and auxiliary agent are put into high-speed mixer to be mixed, several raw materials and auxiliary agent are evenly mixed, mould in recombination process and add basalt fibre, charcoal fiber or glass fibre at charcoal, the technical recipe of this process is:
According to parts by weight proportioning, the ratio of components of getting powdered carbon, thermoplastics, auxiliary agent, basalt fibre is 80:16:3:1,70:26:3:1,60:36:3:1 or 50:46:3:1,165 DEG C-250 DEG C of screw rod control temperature, and screw speed is 50～100r/min;
(3) by step mixture (2), drop in forcing machine through hopper, in forcing machine heating make polyolefin resin melting and and auxiliary agent, powdered carbon mixing, the melt mixing is extruded from mouth mould, extrude the hot blanket of generation and carried by the conveyer rotating, in conveying, be cooled, cooled sheet material cuts into the goods of desired size through follow-up clipper, the material mixing is also hot-forming through thermocompressor at a certain temperature, or injection moulding machine injection moulding.
2. the preparation method of charcoal plastic fiber matrix material according to claim 1, it is characterized in that: the technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, and screw rod control temperature is 165 DEG C.
3. the preparation method of charcoal plastic fiber matrix material according to claim 1, it is characterized in that: the technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polypropylene, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, and screw rod control temperature is 190 DEG C.
4. the preparation method of charcoal plastic fiber matrix material according to claim 1, it is characterized in that: the technical recipe of above step (2) process, according to parts by weight proportioning, the ratio of components of getting powdered carbon, polyethylene terephthalate, auxiliary agent is 80:17:3,70:27:3,60:37:3 or 50:47:3, and screw rod control temperature is 250 DEG C.
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| CN106009748A (en) * | 2016-07-04 | 2016-10-12 | 山东理工大学 | Carbon-plastic compound material prepared by virtue of charcoal and production method of carbon-plastic compound material |
| CN106627789A (en) * | 2015-11-03 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Application of fiber reinforced thermoplastic composite material in molding and preparing automobile parts |
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