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
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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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