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A kind of three-layer functionalized core-shell particle toughened polymer composite material and its preparation method

A technology of composite materials and core-shell particles, which is applied in the field of three-layer functionalized core-shell particle toughened polymer composite materials and its preparation, can solve problems such as pollution and compatibility improvement, and achieve the goal of overcoming resource shortage and increasing compatibility , structure and performance controllable effect

Active Publication Date: 2020-06-26
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The particle raw materials in the above-mentioned patents are all derived from petroleum resources, and the preparation process will cause pollution to varying degrees, failing to solve the problems of environmental protection and sustainable development, and the compatibility between the particles and the blended polymer needs to be further improved

Method used

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  • A kind of three-layer functionalized core-shell particle toughened polymer composite material and its preparation method
  • A kind of three-layer functionalized core-shell particle toughened polymer composite material and its preparation method
  • A kind of three-layer functionalized core-shell particle toughened polymer composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043]Mix 100 parts of cornstarch (Changchun Dacheng Corn Development Co., Ltd.) and 300 parts of ethyl acetate. After cooling down and fully stirring, 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

[0045] 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.

[0046] 2. Preparation of functionalized core-shell particles

Embodiment 3

[0048] With 100 parts in embodiment 1 Modified Starch 1 with 50 parts of 2-methylene-1,3-dioxetane Mix and add 150 parts of deionized water, stir fully at room temperature for 20 minutes, then add 0.15 parts of initiator potassium persulfate, heat up to 80°C, stir and initiate polymerization, react for 4 hours, add 5 parts of γ-methacryloxypropane Trimethoxysilane (Hangzhou Jessica Chemical Co., Ltd.), reacted for 1h, added ethanol to wash, filtered and dried to prepare Functionalized core-shell particles1 , The measured particle size is listed in Table 1.

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Abstract

The invention discloses a three-layer functionalized core-shell particle toughening polymer composite material and a preparation method. The composite material is prepared from the following raw materials of components in parts by weight through blending: 100 parts of polymers and 1-100 parts of three-layer functionalized core-shell particles, wherein the polymers are a thermosetting polymer and athermoplastic polymer; and the core-shell particles consist of three parts, namely a biology-based hard core part, a biology-based inner shell layer and a functionalized outer shell layer. The core-shell particles are prepared from a biology-based monomer, are wide in source, green and environment-friendly and safe and nontoxic, a core-shell structure is controllable, composite material plastification processing can be implemented without a plasticizer and the like, the compatibility of the core-shell particles with the polymers can be effectively improved, a toughening effect can be achieved, meanwhile, the production efficiency is high, the cost is low, the process is simple, properties are controllable, and composite materials of various property requirements can be prepared.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a three-layer functionalized 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 signific...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L51/02C08L79/08C08L61/06C08L67/04C08L59/00C08F285/00C08F230/08C08F251/00C08F220/06C08F222/14
CPCC08F251/00C08F285/00C08L59/00C08L61/06C08L63/00C08L67/04C08L69/00C08L79/085C08L2205/06C08L2207/53C08F230/08C08F220/06C08F222/14C08L51/02
Inventor 东为富吴正贵李婷董新一汪洋施冬健
Owner JIANGNAN UNIV
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