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A bio-based core-shell particle toughened polymer composite material and preparation method thereof

A composite material and polymer technology, which is applied in the field of bio-based core-shell particle toughened polymer composite materials and preparation, can solve the problems of environmental protection, sustainable development, pollution, etc., and achieve easy industrial production and overcome resources Shortage, wide-source effects

Active Publication Date: 2020-10-09
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, methyl methacrylate, butyl acrylate, styrene and butadiene are all derived from petroleum resources, and will cause different degrees of pollution during the preparation process, failing to solve the problems of environmental protection and sustainable development.

Method used

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  • A bio-based core-shell particle toughened polymer composite material and preparation method thereof
  • A bio-based core-shell particle toughened polymer composite material and preparation method thereof
  • A bio-based core-shell particle toughened polymer composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Mix 100 parts of tapioca starch (manufactured by Shanghai Jinchao Food Co., Ltd.) and 200 parts of methyl acetate. After cooling down and stirring thoroughly, gradually add 20 parts of ethylenediamine dropwise. After heating up and stirring fully, add 10 parts of silane coupling agent KH570 dropwise Stir, add absolute ethanol after the reaction, wash with suction, and dry to obtain Modified Starch 1 , The degree of substitution was determined to be 1.46.

Embodiment 2

[0058] Mix 100 parts of corn starch (manufactured by Changchun Dacheng Corn Development Co., Ltd.) and 300 parts of ethyl acetate. After cooling down and stirring thoroughly, gradually add 15 parts of pyridine dropwise. After heating up and stirring fully, add 15 parts of acrylic acid dropwise and continue stirring. Washed with absolute ethanol, filtered and dried Modified starch 2 , and the degree of substitution was determined to be 1.90.

Embodiment 3

[0060] Mix 100 parts of potato starch (produced by Beijing Yanqi Yilin Food Co., Ltd.) and 50 parts of methyl acetate. After cooling down and stirring thoroughly, gradually add 10 parts of pyrrole dropwise. After heating up and stirring fully, add isocyanoethyl methacrylate dropwise. 3 parts continued to stir, added absolute ethanol to wash after reaction, suction filtered and dried to obtain Modified starch 3 , The degree of substitution was determined to be 0.56.

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Abstract

The invention discloses a bio-based core-shell particle-toughened polymer composite material and a preparation method thereof. The composite material is prepared by blending the following raw materials: 100 parts by weight of a polymer and 1 to 100 parts by weight of bio-based core-shell particles, wherein the polymer is a thermosetting polymer or a thermoplastic polymer. The core-shell particle of the invention is prepared from bio-based monomers, has the advantages of wide raw material sources, friendliness to environment, safety, no toxicity and a controllable core-shell structure, can be used for plasticizing processing of the composite material without any plasticizer or the like, and is high in production efficiency, low in cost, simple in process, controllable in performance and suitable for preparation of composite materials with various performance requirements.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a bio-based core-shell particle toughened polymer composite material and a preparation method. Background technique [0002] With the gradual reduction of fossil energy reserves, the global energy crisis is looming. The energy structure dominated by fossil energy is obviously unsustainable. The use of fossil energy is also a key factor causing environmental change and pollution. Due to the decrease of global fossil resources, the traditional chemical industry at the cost of fossil resources and the environment is facing an increasingly severe situation. Making full use of biomass resources to replace fossil resources, synthesizing polymer materials or raw materials required for production is very important for getting rid of high The fact that molecular materials products and raw materials depend on petrochemical resources is of great significance. Biomass resources ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L79/08C08L67/06C08L51/02C08F251/00
CPCC08F251/00C08L63/00C08L67/06C08L79/08C08L79/085C08L51/02
Inventor 东为富董新一李婷吴正贵汪洋白绘宇
Owner JIANGNAN UNIV
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