Polymer composite material and its preparation method

A composite material and polymer compound technology, applied in the field of new polymer materials, can solve the problems of poor creep resistance of shear thickening materials, single impact protection mechanism and insufficient protective performance of shear thickening materials, and achieve excellent performance. Effects of impact protection performance, raw material safety, simple preparation method

Active Publication Date: 2021-11-26
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the creep resistance of shear thickening materials is poor, and other creep-resistant polymer materials need to be compounded
Moreover, the impact protection mechanism of shear thickening materials is single, and the protection performance is still insufficient.

Method used

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  • Polymer composite material and its preparation method
  • Polymer composite material and its preparation method
  • Polymer composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] Mix 0.5g of silicomolybdic acid and 0.5g of ammonium persulfate in 2g of polyethylene glycol (Mn=300) to obtain the first mixed solution;

[0070] Mix 2g thiophene with 1g polyethylene glycol, 2g carboxylated polymethylsiloxane mixed solution, 0.4g glycerin, 0.15 phytic acid, 0.1g chitosan, and 0.8g polyethyleneimine to obtain the second mixed solution. solution;

[0071] In an ice-water bath reaction device with a reaction temperature of 0-5°C, slowly add the first mixed solution into the second mixed solution while stirring, and form a black lump material after stirring for 6 hours, and then add 0.1g of nano-silica , 0.05g nano-titanium dioxide, 0.05g nano-clay, 0.1g nano-carbon spheres, 0.1g nano-iron oxide, 0.1g nano-cellulose and continue mixing to obtain the final polymer composite material.

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Abstract

The invention provides a polymer composite material and a preparation method thereof, wherein the raw material components of the polymer composite material include: a conductive polymer, a polymer compound containing ethylene glycol structure, carboxylated polymethylsiloxane, Heteropoly acid, glycerin, phytic acid, chitosan, polyethyleneimine, nanofiller; among them, the mass ratio between components includes: the mass ratio of the polymer compound containing ethylene glycol structure to the conductive polymer is 50% ~200%; the mass ratio of carboxylated polymethylsiloxane to conductive macromolecule is 15%~30%; the mass ratio of heteropolyacid to conductive macromolecule is 10%~30%.

Description

technical field [0001] The invention belongs to the technical field of new polymer materials, and in particular relates to a polymer composite material which can be used for impact protection and a preparation method thereof. Background technique [0002] In recent years, impact protection materials have received extensive attention due to their high application value. At present, commercial impact protection materials are mainly shear thickening materials, which increase the stress area through hardening under impact to reduce impact damage. However, the creep resistance of shear thickening materials is poor, and other creep-resistant polymer materials need to be compounded. Moreover, the impact protection mechanism of the shear thickening material is single, and the protection performance is still insufficient. Contents of the invention [0003] In view of this, in order to develop a polymer composite material with a new type of impact protection mechanism, excellent i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L71/02C08L65/00C08L83/04C08L5/08C08L79/02C08L1/02C08K13/02C08K3/36C08K3/22C08K3/34C08K3/04C08K5/053C08K5/521
CPCC08K2003/2241C08K2003/2272C08K2201/011C08L71/02C08L2205/035C08L65/00C08L83/04C08L5/08C08L79/02C08L1/02C08K13/02C08K3/36C08K3/22C08K3/346C08K3/044C08K5/053C08K5/521
Inventor 徐航勋汪韬
Owner UNIV OF SCI & TECH OF CHINA
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