Natural fiber-reinforced styrene maleic anhydride copolymer composition and preparation method thereof

A technology of styrene maleic acid and natural fiber, which is applied in the field of styrene maleic anhydride copolymer composition and its preparation, can solve the problems such as poor compatibility of material matrix, poor compatibility and limited application, etc., and achieve good compatibility capacitive effect

Inactive Publication Date: 2012-05-23
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Natural fiber is mainly composed of cellulose, hemicellulose, lignin, pectin, fat wax and water-soluble substances. Cellulose is the most important component in natural fiber. Or hydrogen bonds are easily formed between molecules, making them exhibit strong polarity and hydrophilicity, resulting in poor compatibility with the material matrix
Therefore, although natural fibers have many advantages, their poor compatibility with materials limits their application.

Method used

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  • Natural fiber-reinforced styrene maleic anhydride copolymer composition and preparation method thereof
  • Natural fiber-reinforced styrene maleic anhydride copolymer composition and preparation method thereof
  • Natural fiber-reinforced styrene maleic anhydride copolymer composition and preparation method thereof

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Experimental program
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Effect test

Embodiment 1～9

[0032] (1) Material composition

[0033] Component A-1: ​​SMA has a molecular weight of 110,000 and a maleic anhydride content of 24%, commercially available;

[0034] Component A-2: SMA with a molecular weight of 140,000 and a maleic anhydride content of 17%, produced by Shanghai Petrochemical Research Institute;

[0035] Component A-3: SMA has a molecular weight of 110,000 and a maleic anhydride content of 30%, commercially available;

[0036] Component A-4: SAN-Crylic acid, commercially available;

[0037] Component B-1: ABS with butadiene content of 54%, styrene content of 34%, acrylonitrile content of 12%, produced by Kumho Petrochemical in South Korea;

[0038] Component B-2: ACR (acrylate rubber), commercially available;

[0039] Component C: SAN has a molecular weight of 125,000, wherein styrene:butadiene=72:28, produced by Kumho Petrochemical in South Korea;

[0040] Component D-1: natural fibers: sisal, commercially available;

[0041] Component D-2: natural fib...

Embodiment 10

[0061] A kind of preparation method of low natural fiber reinforced styrene maleic anhydride copolymer composition, comprises the following steps:

[0062](1) prepare materials according to the following components, each component content is as follows: styrene maleic anhydride copolymer 10kg, rubber elastomer 40kg, styrene acrylonitrile copolymer 25kg, natural fiber 40kg, processing aid 1.5kg, wherein , the molecular weight of styrene-maleic anhydride copolymer is 20000, and the content of maleic anhydride is 1wt%, and rubber elastomer is styrene-butadiene-acrylonitrile terpolymer ABS, and the molecular weight of styrene-acrylonitrile copolymer is 15000, which contains 60wt% styrene and 40wt% acrylonitrile, the natural fiber is ramie, and the processing aid is the lubricant ethylene bisstearamide;

[0063] (2) The above components are premixed in a high-speed mixer in proportion for 3 minutes and then exported, then put into a screw machine, the screw machine is controlled to...

Embodiment 11

[0065] (1) prepare materials according to the following components, each component content is as follows: styrene maleic anhydride copolymer 10kg, rubber elastomer 40kg, styrene acrylonitrile copolymer 25kg, natural fiber 40kg, processing aid 1.5kg, wherein , the molecular weight of styrene-maleic anhydride copolymer is 50000, the content of maleic anhydride is 15wt%, the rubber elastomer is acrylate-styrene-acrylonitrile terpolymer ASA and acrylate-styrene-butadiene tripolymer The mixture of meta-copolymer MBS, the molecular weight of styrene-acrylonitrile copolymer is 50000, which contains 70wt% styrene and 30wt% acrylonitrile, the natural fiber is flax and jute, and the processing aid is phosphite antioxidant Mixture with silicone release agent;

[0066] (2) The above components are premixed in a high-speed mixer in proportion for 10 minutes and then exported, then put into a screw machine, the screw machine is controlled to rotate at a speed of 500 rpm, and the temperature...

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Abstract

The invention relates to a natural fiber-reinforced styrene maleic anhydride copolymer composition and a preparation method thereof. The composition comprises the following components in percentage by weight: 10-50 percent of a styrene maleic anhydride copolymer, 10-40 percent of a rubber elastomer, 5-25 percent of a styrene acrylonitrile copolymer, 5-40 percent of natural fibers and 0.1-1.5 percent of a processing aid. The preparation method comprises the following steps of: premixing the components in a high-speed mixer for 3-10 minutes according a certain proportion; leading out; and putting into a screw compressor for extruding and granulating to obtain a product. Compared with the prior art, the invention has the advantages that: a natural fiber-reinforced styrene maleic anhydride copolymer is adopted, so that a prepared product has excellent mechanical performance; and compared with a glass fiber-reinforced product, the prepared product has the advantages of light weight, safety, comfort and degradability.

Description

technical field [0001] The invention relates to a styrene maleic anhydride copolymer composition and a preparation method thereof, in particular to a natural fiber reinforced styrene maleic anhydride copolymer composition and a preparation method thereof. Background technique [0002] Styrene and maleic anhydride copolymers are also commonly used polymeric materials and methods for their manufacture are known and described in detail in the literature, especially US2971939.US2769804. [0003] In recent years, countries have been paying more and more attention to the ecological environment, which has made material science and engineering technicians have great interest and attention in degradable and non-polluting materials such as natural fibers, and put forward the concept of Environmental Conscious Materials (Ecomaterials), It broadens the application field and scope of natural fiber composite materials, making it more and more important in environmental materials. Compare...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L35/06C08L55/02C08L51/00C08L23/16C08L23/08C08L25/12C08L97/02
Inventor 李文强许本刚张任峰李强罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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