CN109942982A - A kind of composite material and preparation method - Google Patents
A kind of composite material and preparation method Download PDFInfo
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- CN109942982A CN109942982A CN201711395382.2A CN201711395382A CN109942982A CN 109942982 A CN109942982 A CN 109942982A CN 201711395382 A CN201711395382 A CN 201711395382A CN 109942982 A CN109942982 A CN 109942982A
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Abstract
Polyvinyl chloride-based composite material and preparation method provided by the invention, by polyvinylchloride-based resin, can ceramic powder, fluxing agent, organic fiber, inorfil, fire retardant, processing aid blended under agitation, extruding pelletization, molding granulation come prepare high temperature resistant can ceramic polyvinyl chloride based composites.Compared with traditional flame-proof PVC material, this material is not only at normal temperature with the performance of ordinary rigid PVC material, and the self-supporting porous ceramic structure with some strength can be quickly formed at high temperature, it can not only obstruct flame and continue to spread, but also rupture will not be generated when meeting water.And preparation method provided by the invention is simple, is easy to be mass produced, and can be widely used in the every field such as construction material, packaging material, electronic material daily necessities.
Description
Technical field
The present invention relates to field of compound material, specifically, a kind of polyvinyl chloride-based composite material and preparation method.
Background technique
Polyvinyl chloride (PVC) be in the world earliest one of industrialized resin variety and five big general synthetic plastics it
One, there are good physical and mechanical properties, can be used for producing construction material, packaging material, electronic material daily necessities etc.,
It is widely used in the fields such as industry, agricultural, building, communications and transportation, power telecommunication and packaging, is to be only second to gather in the world at present
The second largest plastics variety of ethylene.
Due to extensive use of the polyvinyl chloride on building materials, the requirement to its fire protecting performance is continuously improved, still,
Compared to inorganic non-metallic material, heat resistance is poor, and especially resistance to limit high-temperature behavior is very poor, once fire, hard occurs
Flame-proof PVC material will soften immediately, thermally decomposes, burns, carbonize, and also just lose its fire prevention, heat-insulated effect, although fire-retardant
Agent can be with the effect of retarded combustion, but final combustion product does not have fireproofing function completely.
Summary of the invention
For the problems in the relevant technologies, the present invention has studied a kind of preparation method of polyvinyl chloride based composites, with
A kind of polyvinyl chloride based composites with good flame retardant effect are provided.
The preparation method of composite material provided by the invention, comprising: by polyvinylchloride-based resin, can ceramic powder, help
Flux, organic fiber, inorfil, fire retardant, processing aid blended under agitation, obtain blend；And the blend is squeezed out,
It is granulated, forms the granulation, obtain composite material.
In the above preparation method, the polyvinylchloride-based resin, it is described can the ceramic powder, fluxing agent, described
Organic fiber, the inorfil, the fire retardant, the processing aid weight ratio be 90~110:20~50:20~50:
5~10:5~20:5~10:8~12.
In the above preparation method, it is described can ceramic powder in wollastonite, mica powder, talcum powder, montmorillonite
One or more combinations.
In the above preparation method, the fluxing agent is in calcium oxide, magnesia, silica, fluorite, aluminium oxide
One or more combinations.
In the above preparation method, the organic fiber is selected from poly(p-phenylene terephthalamide), polyparaphenylene's benzo two
One of oxazole fiber, polypropylene fibre, polyimide fiber or a variety of combinations.
In the above preparation method, the inorfil is selected from glass fibre, carbon fiber, basalt fibre, aluminium oxide pottery
One of porcelain fiber or a variety of combinations.
In the above preparation method, the fire retardant in bromide fire retardant, phosphorus flame retardant, nitrogenated flame retardant one
Kind or a variety of combinations.
In the above preparation method, the fire retardant is selected from deca-BDE, methylene bromide, trichlorobromomethane, dichloro bromine
Methane, tricresyl phosphate-diphenyl ester, tricresyl phosphate, triphenyl phosphate, Niran acid anhydrides, tributyl phosphate, triazine and its derivative
One of object, melamine, magnesium hydroxide, aluminium hydroxide or a variety of combinations.
In the above preparation method, the processing aid includes acrylic acid esters co-polymer, vinyl chloride-styrene-propylene
One of acid esters multipolymer, silane coupling agent, atoleine, stearic acid or a variety of combinations.
In the above preparation method, the mixture obtained after blending is added in double screw extruder and is squeezed out, obtained
To the granulation.
In the above preparation method, described be granulated is formed by extruder or injection molding machine, obtains the composite material.
The composite material prepared by the above method.
The preparation method of polyvinyl chloride based composites provided by the invention, by polyvinylchloride-based resin, can ceramic powder
End, fluxing agent, organic fiber, inorfil, fire retardant, processing aid blended under agitation, extruding pelletization, molding granulation are resistance to prepare
High temperature can ceramic polyvinyl chloride based composites.Compared with traditional flame-proof PVC material, this material is not only at normal temperature
Performance with ordinary rigid PVC material, and the self-supporting porous ceramics with some strength can be quickly formed at high temperature
Structure can not only obstruct flame and continue to spread, but also will not generate rupture when meeting water.And preparation provided by the invention
Method is simple, is easy to be mass produced, and can be widely used in construction material, packaging material, electronic material daily necessities etc.
Every field.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other embodiment obtained shall fall within the protection scope of the present invention.
High temperature resistant provided by the invention can ceramic polyvinyl chloride based composites preparation method, comprising:
Firstly, by polyvinyl chloride (PVC) base resin, can ceramic powder, fluxing agent, organic fiber, inorfil, fire-retardant
Agent, processing aid blended under agitation, obtain blend.In this step, in parts by weight, by 90~110 parts of polyvinyl chloride-based trees
Rouge, 20~50 parts can ceramic powder, 20~50 parts of fluxing agents, 5~10 parts of organic fibers, 5~20 parts of inorfils, 5~10
Part fire retardant, 8~12 parts of processing aid blended under agitation, wherein can ceramic powder be selected from wollastonite, mica powder, talcum powder, illiteracy
One of de- soil or a variety of combinations, from can ceramic powder react to each other from the point of view of porcelain reaction process, by multiple
With different proportion can ceramic powder, to regulate and control porcelain reaction effect；Fluxing agent be selected from calcium oxide, magnesia, silica,
One of fluorite, aluminium oxide or a variety of combinations, fluxing agent make material at lower temperatures to reduce porcelain reaction temperature
Realize ceramic；It is fine that organic fiber is selected from poly(p-phenylene terephthalamide), polyparaphenylene's benzo dioxazole fiber, polypropylene
One of dimension, polyimide fiber or a variety of combinations, organic fiber play fixed charing after basis material pyrolysis charring
The effect of layer improves the stability of thermal decomposition product structure, wherein cutting processing is carried out to organic fiber using fibre chopping machine,
Obtain the organic fiber that is chopped；Inorfil in glass fibre, carbon fiber, basalt fibre, ceramic alumina fiber one
Kind or a variety of combinations, inorfil can improve porcelain effect, improve the structural stability of reaction product, wherein utilize fibre
Dimension chopping machine carries out cutting processing to inorfil, obtains the inorfil that is chopped；Fire retardant is selected from bromide fire retardant, phosphorous flame-retardant
One of agent, nitrogenated flame retardant or a variety of combinations, fire retardant are selected from deca-BDE, methylene bromide, trichlorobromomethane, two
Chlorobromomethane, tricresyl phosphate-diphenyl ester, tricresyl phosphate, triphenyl phosphate, Niran acid anhydrides, tributyl phosphate, triazine and its
One of derivative, melamine, magnesium hydroxide, aluminium hydroxide or a variety of combinations, preferably inorganic fire retardants, on the one hand may be used
To play fire retardation, on the one hand can be reacted with the common porcelain that participates in Vitrified powder end；Processing aid includes that esters of acrylic acid is total
Polymers (ACR), vinyl chloride-styrene-acrylate multipolymer (SRC), silane coupling agent, atoleine, stearic acid
One of or a variety of combinations, wherein SRC includes one of SRC-Q, SRC-P, SRC-X or a variety of combinations, ACR packet
One of ACR401, ACR 601 or a variety of combinations are included, silane coupling agent includes model KH550, KH560, KH570
One of silane coupling agent or a variety of combinations.In the preparation method, can fusing point between ceramic powder it is higher, mutually
Between the temperature that reacts it is also higher, therefore need the fluxing agent according to different ceramic powder addition different proportions, in addition,
PVC base system material thermal decomposition temperature is lower, and thermal stability is poor, needs compound organic fiber to improve basis material first
Intensity when beginning to decompose.
Then, blend is squeezed out, is granulated, molding granulation, obtains polyvinyl chloride based composites.In this step,
Blends described above is added to extruding pelletization in double screw extruder, obtaining high temperature resistant can ceramic PVC based composites pellet.
Then by above-mentioned granulation by the molding equipments such as extruder or injection molding machine can prepare different high temperature resistants can ceramic PVC base it is compound
Material.
Performance test:
It is tested using tensile strength and elongation at break of the universal testing machine to composite sample, testing standard is pressed
It is tested according to GB/T528-2009, the stretching rate travel of universal testing machine is 500mms-1。
Composite material shore hardness is tested using Shore durometer.
Product after being pyrolyzed under 600 DEG C, 800 DEG C, 1000 DEG C of different temperatures using universal testing machine test composite material
Bending strength, tested using " three-point bending method ", loading speed 2mm/min.
Embodiment 1
In parts by weight, 90 parts of polyvinylchloride-based resins, 20 parts of wollastonites, 20 parts of calcium oxide, 5 parts are chopped poly- to benzene two
Formyl p-phenylenediamine, 5 parts of short glass fibers, 5 parts of magnesium hydroxides, 8 parts of ACR401 blended under agitation are then added to twin-screw and squeeze
Extruding pelletization in machine out, obtain high temperature resistant can ceramic PVC based composites be granulated, by the granulation by extruder molding, i.e.,
Can prepare can ceramic PVC based composites.
Embodiment 2
In parts by weight, 110 parts of polyvinylchloride-based resins, 50 parts of mica powders, 50 parts of magnesia, 10 parts are chopped poly- to benzene
Benzo dioxazole fiber, 20 parts of chopped carbon fibers, 10 parts of aluminium hydroxides, 12 parts of Silane coupling agent KH550 blended under agitation are supportted, then
Be added to extruding pelletization in double screw extruder, obtain high temperature resistant can ceramic PVC based composites be granulated, which is passed through
Extruder molding, can prepare can ceramic PVC based composites.
Embodiment 3
In parts by weight, 100 parts of polyvinylchloride-based resins, 35 parts of talcum powder, 30 parts of silica, 8 parts are chopped poly- third
Alkene fiber, 15 parts of chopped basalt fibres, 8 parts of melamines, 10 parts of atoleine blended under agitation are then added to twin-screw and squeeze
Extruding pelletization in machine out, obtain high temperature resistant can ceramic PVC based composites be granulated, by the granulation by extruder molding, i.e.,
Can prepare can ceramic PVC based composites.
Embodiment 4
In parts by weight, 95 parts of polyvinylchloride-based resins, 25 parts of montmorillonites, 35 parts of fluorites, 8 parts of chopped polyimides are fine
Dimension, 10 parts of chopped ceramic alumina fibers, 7 parts of tributyl phosphates, 11 parts of stearic acid blended under agitation are then added to twin-screw and squeeze
Extruding pelletization in machine out, obtain high temperature resistant can ceramic PVC based composites be granulated, by the granulation by injection molding machine molding, i.e.,
Can prepare can ceramic PVC based composites.
Embodiment 5
In parts by weight, 105 parts of polyvinylchloride-based resins, 40 parts of montmorillonites, 45 parts of aluminium oxide, 9 parts are chopped poly- to benzene
Two formyl p-phenylenediamine, 18 parts of chopped carbon fibers, 7 part of two chlorobromomethane, 9 parts of 601 blended under agitation of ACR are then added to double spiral shells
Extruding pelletization in bar extruder, obtain high temperature resistant can ceramic PVC based composites be granulated, by the granulation by injection molding machine at
Type, can prepare can ceramic PVC based composites.
Embodiment 6
In parts by weight, 100 parts of polyvinylchloride-based resins, 45 parts of wollastonites, 25 parts of magnesia, 6 parts of chopped polyamides are sub-
Amine fiber, 10 parts of short glass fibers, 8 parts of methylene bromides, 10 parts of SRC-Q blended under agitation, are then added to double screw extruder
Middle extruding pelletization, obtain high temperature resistant can ceramic PVC based composites be granulated, by the granulation by injection molding machine molding, can make
It can ceramic PVC based composites for going out.
Composite material prepared in the above embodiments is tested for the property, test result is as shown in table 1.
Table 1
Prepared by the preparation method provided through the invention it can be seen from test result can ceramic PVC base composite wood
Material not only has good mechanical property at normal temperature, but also obtained product also has one after pyrolysis at different temperature
Fixed bending strength, therefore, can ceramic PVC based composites have certain heat-resisting quantity.
The present invention by PVC based composites be added can ceramic powder, fluxing agent, organic fiber, inorfil,
Fire retardant, processing aid come prepare high temperature resistant can ceramic polyvinyl chloride based composites, which at high temperature can be rapid
The self-supporting porous ceramic structure with some strength is formed, the residue intensity of such material in the case of fire is improved, is tieed up
The integrality of residue structure is held, internal material is protected, avoids secondary hazards, and flame retardant effect may be implemented, is obstructed
Flame continues to spread, and will not generate rupture when meeting water.And preparation method provided by the invention is simple, is easy to advise greatly
Mould production, can be widely used in the every field such as construction material, packaging material, electronic material daily necessities.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of preparation method of composite material characterized by comprising
By polyvinylchloride-based resin, can ceramic powder, fluxing agent, organic fiber, inorfil, fire retardant, processing aid stir
Blending is mixed, blend is obtained；And
The blend is squeezed out, is granulated, the granulation is formed, obtains composite material.
2. preparation method according to claim 1, which is characterized in that the polyvinylchloride-based resin, it is described can ceramic
Powder, the fluxing agent, the organic fiber, the inorfil, the fire retardant, the processing aid weight ratio be 90
~110:20~50:20~50:5~10:5~20:5~10:8~12.
3. preparation method according to claim 1, which is characterized in that it is described can ceramic powder be selected from wollastonite, mica
One of powder, talcum powder, montmorillonite or a variety of combinations.
4. preparation method according to claim 1, which is characterized in that the fluxing agent is selected from calcium oxide, magnesia, dioxy
One of SiClx, fluorite, aluminium oxide or a variety of combinations.
5. preparation method according to claim 1, which is characterized in that the organic fiber is selected from poly- paraphenylene terephthalamide to benzene
One of diamines, polyparaphenylene's benzo dioxazole fiber, polypropylene fibre, polyimide fiber or a variety of combinations.
6. preparation method according to claim 1, which is characterized in that the inorfil be selected from glass fibre, carbon fiber,
One of basalt fibre, ceramic alumina fiber or a variety of combinations.
7. preparation method according to claim 1, which is characterized in that the fire retardant is selected from bromide fire retardant, phosphorus system hinders
Fire one of agent, nitrogenated flame retardant or a variety of combinations.
8. preparation method according to claim 1, which is characterized in that the fire retardant is selected from deca-BDE, dibromo first
Alkane, trichlorobromomethane, two chlorobromomethanes, tricresyl phosphate-diphenyl ester, tricresyl phosphate, triphenyl phosphate, Niran acid anhydrides, phosphorus
One of sour tributyl, triazine and its derivative, melamine, magnesium hydroxide, aluminium hydroxide or a variety of combinations.
9. preparation method according to claim 1, which is characterized in that the processing aid includes acrylic ester copolymerization
One of object, vinyl chloride-styrene-acrylate multipolymer, silane coupling agent, atoleine, stearic acid are more
The combination of kind.
10. preparation method according to claim 1, which is characterized in that the mixture obtained after blending is added to double spiral shells
It is squeezed out in bar extruder, obtains the granulation.
11. preparation method according to claim 1, which is characterized in that by it is described be granulated by extruder or injection molding machine at
Type obtains the composite material.
12. a kind of composite material of preparation method preparations described in any item according to claim 1~11.
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Cited By (7)
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| CN108384165A (en) * | 2018-03-29 | 2018-08-10 | 合肥佳洋电子科技有限公司 | A kind of heat conductive flame-retarding radiation protection resistance to compression computer casing material and preparation method thereof |
| CN110540757A (en) * | 2019-07-18 | 2019-12-06 | 安徽润盈建材有限公司 | artificial bionic metal fireproof, anticorrosion, anti-cracking and waterproof bamboo integral processing technology |
| CN110591247A (en) * | 2019-08-02 | 2019-12-20 | 常熟市中联光电新材料有限责任公司 | Multi-scale composite thermal-reversible cross-linked porcelainized PVC material |
| CN110922669A (en) * | 2019-11-14 | 2020-03-27 | 苏州铂玛新材料有限公司 | Fireproof and fireproof ceramic polyolefin wire and cable material and preparation method thereof |
| CN114538889A (en) * | 2021-12-16 | 2022-05-27 | 黄玉兰 | Composite heat-insulating material and production process thereof |
| JP2022136995A (en) * | 2021-03-08 | 2022-09-21 | 臺灣塑膠工業股▲ふん▼有限公司 | Plastic including oyster shell burned powder, plastic product and production method of plastic |
| CN116135923A (en) * | 2023-02-28 | 2023-05-19 | 广东联塑科技实业有限公司 | Polyvinyl chloride material and preparation method and application thereof |
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| CN108384165A (en) * | 2018-03-29 | 2018-08-10 | 合肥佳洋电子科技有限公司 | A kind of heat conductive flame-retarding radiation protection resistance to compression computer casing material and preparation method thereof |
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| CN110591247A (en) * | 2019-08-02 | 2019-12-20 | 常熟市中联光电新材料有限责任公司 | Multi-scale composite thermal-reversible cross-linked porcelainized PVC material |
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| CN110922669A (en) * | 2019-11-14 | 2020-03-27 | 苏州铂玛新材料有限公司 | Fireproof and fireproof ceramic polyolefin wire and cable material and preparation method thereof |
| JP2022136995A (en) * | 2021-03-08 | 2022-09-21 | 臺灣塑膠工業股▲ふん▼有限公司 | Plastic including oyster shell burned powder, plastic product and production method of plastic |
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| CN114538889A (en) * | 2021-12-16 | 2022-05-27 | 黄玉兰 | Composite heat-insulating material and production process thereof |
| CN116135923A (en) * | 2023-02-28 | 2023-05-19 | 广东联塑科技实业有限公司 | Polyvinyl chloride material and preparation method and application thereof |
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