Environment-friendly polymer composite material and preparation method thereof

A composite material and polymer technology, which is applied in the field of environmentally friendly polymer composite materials and their preparation, can solve problems such as poor performance stability, poor processing fluidity, and large amount of filler addition, and achieve low preparation costs and high promotion. Application value, improvement of comprehensive effect

Inactive Publication Date: 2021-03-09
纪传生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatibility between the filler and the base material in this composite material is not good, and it is easy to ooze ou

Method used

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  • Environment-friendly polymer composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of an environment-friendly polymer composite material, characterized in that it comprises the following steps:

[0026]Step S1, preparation of 3,3'-diamino-4,4'-difluorodiphenylsulfone / 2,3,5,6-tetrafluoroterephthalic acid polycondensate: 3,3'-diamino- 4,4'-Difluorodiphenylsulfone and 2,3,5,6-tetrafluoroterephthalic acid were added to a high boiling point solvent, reacted at 170°C for 2 hours under normal pressure, and then added 1-ethyl-( 3-dimethylaminopropyl) carbodiimide hydrochloride, 4-dimethylaminopyridine, be warming up to 210 ℃, primary polycondensation reaction 5-7 hours, then the reaction solution was transferred into the reactor, replaced with nitrogen The air in the kettle was evacuated to 500Pa, heated to 250°C, polycondensed for 8 hours, cooled to room temperature, and precipitated in water. 3,3'-Diamino-4,4'-difluorodiphenylsulfone / 2,3,5,6-tetrafluoroterephthalic acid polycondensate;

[0027] Step S2, the preparation of 4-acryloylox...

Embodiment 2

[0035] A preparation method of an environment-friendly polymer composite material, characterized in that it comprises the following steps:

[0036] Step S1, preparation of 3,3'-diamino-4,4'-difluorodiphenylsulfone / 2,3,5,6-tetrafluoroterephthalic acid polycondensate: 3,3'-diamino- 4,4'-Difluorodiphenylsulfone and 2,3,5,6-tetrafluoroterephthalic acid were added to a high boiling point solvent, and reacted at 175°C for 2.5 hours under normal pressure, and then 1-ethyl-( 3-dimethylaminopropyl) carbodiimide hydrochloride, 4-dimethylaminopyridine, be warming up to 215 ℃, the primary polycondensation reaction is 5.5 hours, then the reaction solution is transferred into the reaction kettle, and nitrogen is replaced in the kettle Air, evacuated to 500Pa, heated to 255°C, polycondensed for 9 hours, cooled to room temperature, precipitated in water, washed 4 times with ethanol, and then rotary-evaporated to remove ethanol to obtain 3, 3'-diamino-4,4'-difluorodiphenylsulfone / 2,3,5,6-tetr...

Embodiment 3

[0045] A preparation method of an environment-friendly polymer composite material, characterized in that it comprises the following steps:

[0046] Step S1, preparation of 3,3'-diamino-4,4'-difluorodiphenylsulfone / 2,3,5,6-tetrafluoroterephthalic acid polycondensate: 3,3'-diamino- 4,4'-Difluorodiphenylsulfone and 2,3,5,6-tetrafluoroterephthalic acid were added to a high-boiling solvent, reacted at 180°C for 3 hours under normal pressure, and then added 1-ethyl-( 3-dimethylaminopropyl) carbodiimide hydrochloride, 4-dimethylaminopyridine, be warming up to 220 DEG C, the primary polycondensation reaction was carried out for 6 hours, then the reaction solution was transferred into the reaction kettle, and nitrogen was replaced in the kettle Air, evacuated to 500Pa, heated to 260°C, polycondensed for 10 hours, cooled to room temperature, precipitated in water, washed 5 times with ethanol, and then rotary-evaporated to remove ethanol to obtain 3, 3'-diamino-4,4'-difluorodiphenylsulf...

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Abstract

The invention discloses a preparation method of an environment-friendly polymer composite material, which is characterized by comprising the following steps: S1, preparing a 3,3 '-diamino-4, 4' -difluorodiphenyl sulfone/2, 3,5, 6-tetrafluoroterephthalic acid polycondensate, S2, preparing a 4-acryloxybenzophenone/methylvinyl silicon-fluorene/bistrimethylsilylation vinyl phosphate/acrylic sulfonic acid copolymer; and S3, molding the material. The invention also discloses the environment-friendly polymer composite material prepared by the preparation method of the environment-friendly polymer composite material. The environment-friendly polymer composite material disclosed by the invention is better in comprehensive performance, more excellent in performance stability, durability, mechanicalproperty, flame retardance and weather resistance, and safer and more environment-friendly to use.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to an environment-friendly polymer composite material and a preparation method thereof. Background technique [0002] In recent years, with the development of society and the progress of science, polymer composite materials have played an increasingly important role in people's daily life, bringing a lot of convenience to people's lives and adding more convenience to modern society. Wonderful. It can be said that the life of modern people is inseparable from the application of polymer composite materials, and the degree of development of polymer composite materials has become a symbol of modern civilization. Therefore, it is particularly important to develop polymer composite materials with excellent comprehensive properties. [0003] Polymer composite materials are usually a new type of material that is formed by forming fillers as reinforcing materials, synthetic res...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L33/14C08K13/04C08K7/06C08K7/14C08K3/16C08K3/32C08K5/548C08K3/26
CPCC08K2003/262C08K2201/011C08L77/06C08L2201/02C08L2201/08C08L43/04C08K13/04C08K7/06C08K7/14C08K3/16C08K3/32C08K5/548C08K3/26
Inventor 纪传生
Owner 纪传生
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