Intrinsic conduction shape memory polymer and preparation method thereof

A memory polymer and intrinsically conductive technology, which is applied in the field of multifunctional polymer materials, can solve the problems that shape memory polymers do not have conductive function and limitations, and achieve large deformation of shape memory effect, low cost and high conductivity Effect

Active Publication Date: 2012-11-21
SHENZHEN WOER HEAT SHRINKABLE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problem that shape memory polymers do not have conductive functions and limit their practical application in electronic engineering and other fields, break through the technical limitations of the current conductive functionalization of shape memory polymers mainly by filling conductive materials to prepare composite materials

Method used

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  • Intrinsic conduction shape memory polymer and preparation method thereof
  • Intrinsic conduction shape memory polymer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment one: The intrinsic conductive shape memory polymer comprises 100 parts of shape memory epoxy polymer and 30 parts of conductive polyaniline by weight.

[0026] The composition of the shape memory epoxy polymer in this embodiment is 100 parts of bisphenol A epoxy resin and 100 parts of amine curing agent diethylenetriamine.

[0027] The conductive polyaniline is composed of 100 parts of aniline monomer, 1000 parts of dopant dodecylbenzenesulfonic acid (DBSA) and 150 parts of oxidant ammonium persulfate.

[0028] The preparation method of the intrinsically conductive shape memory polymer is as follows:

[0029] 1. Mix the aniline monomer and the dopant DBSA in parts by weight, and stir evenly; add the oxidant ammonium persulfate in parts by weight to the mixture at 0-10°C, stir at a constant temperature for 0.5-2 hours, and then perform ultrasonic Process to obtain the emulsion; 2. Add amine curing agent diethylenetriamine and bisphenol A epoxy resin to the ...

Embodiment 2

[0031] Embodiment two: The intrinsic conductive shape memory polymer comprises 100 parts of shape memory epoxy polymer and 40 parts of conductive polyaniline by weight.

[0032] The composition of the shape memory epoxy polymer consists of 100 parts of aliphatic glycidyl ether resin (polypropylene glycol diglycidyl ether) and 85 parts of amine curing agent (m-phenylenediamine) by weight.

[0033] The conductive polyaniline is composed of 100 parts of aniline derivative (diphenylamine), 1200 parts of p-toluenesulfonic acid and 120 parts of potassium dichromate by weight.

[0034] The preparation method of the intrinsically conductive shape memory polymer is as follows:

[0035] 1. Mix diphenylamine and toluene sulfonic acid in parts by weight and stir evenly; add potassium dichromate in parts by weight to the mixture at 0~10°C, stir at constant temperature for 0.5~2h, and then perform ultrasonic Process to obtain the emulsion; 2. Add polypropylene glycol diglycidyl ether and...

Embodiment 3

[0037] Embodiment three: The intrinsic conductive shape memory polymer comprises 100 parts of shape memory epoxy polymer and 50 parts of conductive polyaniline by weight.

[0038] The epoxy shape memory polymer comprises 100 parts of cycloaliphatic epoxy resin ERL-4289, 70 parts of anhydride curing agent and 5 parts of accelerator isobutanol according to the mass fraction ratio;

[0039] The conductive polyaniline is prepared by including 100 parts of aniline monomer, 900 parts of sulfosalicylic acid and 110 parts of oxidant iodine according to the mass fraction ratio.

[0040] The preparation method of the intrinsically conductive shape memory polymer is as follows: 1. Mix the aniline monomer and sulfosalicylic acid in parts by weight, and stir evenly; Iodine; after stirring at constant temperature for 0.5~2h evenly, perform ultrasonic treatment to obtain the emulsion; 2. Add aliphatic epoxy resin ERL-4289 and tetrahydrophthalic anhydride curing agent to the above-mentioned...

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Abstract

The invention relates to a multifunctional polymer material, in particular to a shape memory epoxy polymer and an intrinsic conduction shape memory polymer of which the main component is conductive polyaniline. According to parts by weight, an aniline monomer or a derivative thereof and a doping agent are uniformly mixed; according to parts by weight, an oxidant is added into the mixture, and the materials are uniformly mixed and are subjected to ultrasonic treatment to obtain an emulsion; epoxy resin and a curing agent or the epoxy resin and the curing agent which is mixed with an accelerator are added into the emulsion at the same time, and the mixture is fully and uniformly mixed; the doping agent is continuously dropwise added, and the doping degree of the polyaniline is adjusted until the mixture is green or dark green; the mixture is filled into a die to be cured; the mixture is heated for 0.5 to 6 hours at the temperature of 50 to 80 DEG C, 0.5 to 6 hours at the temperature of 80 to 120 DEG C and then 0.5 to 6 hours at the temperature of 120 to 160 DEG C; and the product is cooled to room temperature and de-molded to obtain the intrinsic conduction shape memory polymer.

Description

technical field [0001] The invention relates to a multifunctional polymer material, in particular to an intrinsically conductive shape memory polymer mainly composed of shape memory epoxy polymer and conductive polyaniline. Background technique [0002] Smart material technology has sprung up in large numbers since the end of the last century, and it plays a big role in the current high-tech group. The depth and breadth of its impact on human social life is unmatched by other technologies; smart material technology has been included in the national medium and long-term The development of science and technology development planning outline has also become the focus of high-tech strategic competition around the world. As a new type of polymer smart material, shape memory polymer has large deformation, high recovery rate, easy to drive, low density, Excellent performances such as corrosion resistance, low cost, and a wide range of performance adjustments have shown great applic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L79/02C08L63/02C08G73/02C08G59/50
Inventor 吴雪莲黄为民许晓静
Owner SHENZHEN WOER HEAT SHRINKABLE MATERIAL
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