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A kind of multi-layer core-shell particle toughened polymer composite material and preparation method

A composite material and polymer technology, which is applied in the field of multi-layer core-shell particle toughened polymer composite materials and its preparation, can solve problems such as pollution, failure to solve environmental protection and sustainable development, and achieve environmental friendliness, structure and performance are acceptable. The effect of control and easy industrial production

Active Publication Date: 2021-09-28
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 kind of multi-layer core-shell particle toughened polymer composite material and preparation method
  • A kind of multi-layer core-shell particle toughened polymer composite material and preparation method
  • A kind of multi-layer core-shell particle toughened polymer composite material and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Mix 100 parts of cornstarch (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 10 parts of acrylic acid dropwise and continue stirring. Washed with water and ethanol, filtered and dried to obtain Modified Starch 1 , and the degree of substitution was determined to be 1.50.

Embodiment 2

[0046] Mix 100 parts of soybean starch (Tianquan Food Co., Ltd.) and 180 parts of ethyl acetate. After cooling down and stirring thoroughly, gradually add 10 parts of pyridine dropwise. Washed with absolute ethanol, filtered and dried Modified starch 2 , The degree of substitution was determined to be 2.30. 2. Preparation of core-shell particles

Embodiment 3

[0048] With 100 parts in embodiment 1 Modified Starch 1 Mix it with 100 parts of n-butyl itaconate and add it into 200 parts of deionized water, fully stir for 20 minutes at room temperature, then add 1 part of initiator potassium persulfate, raise the temperature to 80°C, stir and initiate polymerization, react for 4 hours, then add 10 Parts of methyl methacrylate, reacted for 3 hours, finally added 5 parts of γ-methacryloxypropyl trimethoxysilane (Hangzhou Jessica Chemical Co., Ltd.), reacted for 2 hours, added ethanol to wash, suction filtered and dried to prepare Multilayer Core-Shell Particles 1 , The measured particle size is listed in Table 1.

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Abstract

The application discloses a multilayer core-shell particle toughened polymer composite material and a preparation method. The composite material is obtained by blending raw materials comprising the following components: 100 parts by weight of a polymer; 1 to 100 parts by weight of multilayer core-shell particles; the polymer is a thermosetting polymer and a thermoplastic polymer; Layered core-shell particles consist of a modified starch core, a bio-based soft layer, a polymer hard layer and a functionally modified layer. The raw materials of the multi-layer core-shell particle of the present invention are all from bio-based sources, and are environmentally friendly and sustainable, with controllable structure and performance, and are suitable for toughening and strengthening of various polymers, and can be combined with polymers in traditional simple methods. Mixing is realized on synthesis equipment, which is environmentally friendly and easy to realize industrial production.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a multilayer core-shell particle toughened polymer composite material and a preparation method thereof. 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 r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L79/08C08L61/06C08L67/04C08L69/00C08L59/02C08L51/00C08F285/00C08F251/00
CPCC08F251/00C08F285/00C08L59/02C08L61/06C08L63/00C08L67/04C08L69/00C08L79/08C08L51/00
Inventor 东为富李婷汪洋董新一吴正贵陈明清
Owner JIANGNAN UNIV
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