A kind of fluorine-containing graft copolymer and its preparation method and application

A technology of graft copolymer and fluorine-containing solvent, which is applied in the field of fluorine-containing graft copolymer and its preparation, can solve the problem of further improvement of waterproofing, achieve excellent acid and alkali corrosion resistance, simple method, and easy control

Active Publication Date: 2021-08-17
东莞泰岳先进材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, also because of its linear structure, the waterproof and oil-proof effects need to be further improved

Method used

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  • A kind of fluorine-containing graft copolymer and its preparation method and application
  • A kind of fluorine-containing graft copolymer and its preparation method and application
  • A kind of fluorine-containing graft copolymer and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Weigh 24 g of perfluorohexyl ethyl methacrylate, 16 g of octadecyl acrylate, 2 g of 3-chloro-2-hydroxypropyl methacrylate, 1 g of tert-butyl peroxy tert-valerate and 60 g of hydrofluoroether in four In the mouth bottle, react at 75°C for 8h in a nitrogen environment, then add 2.4g of isophorone diisocyanate and 20g of hydrofluoroether to the reaction flask, turn off the nitrogen, react at 75°C for 8h, and then add 9g of perfluorohexylethyl methacrylate, 6g of octadecyl acrylate, 2g of 3-chloro-2-hydroxypropyl methacrylate, 1g of tert-butyl peroxy tert-valerate and 60g of hydrofluoroether, in a nitrogen atmosphere After reacting at a temperature of 75°C for 8 hours, turn off the nitrogen gas to end the reaction to obtain a solution of the fluorine-containing copolymer.

Embodiment 2

[0039] Weigh 24g of perfluorohexylethyl methacrylate, 16g of stearyl acrylate, 2g of mercaptoethanol, 1g of tert-butyl peroxy tert-butyl valerate, and 60g of hydrofluoroether in a four-necked bottle, and place in a nitrogen atmosphere at 75°C React for 8 hours, then add 2.4 g of isophorone diisocyanate and 20 g of hydrofluoroether to the reaction bottle, turn off the nitrogen, react at 75°C for 8 hours, then add 9 g of perfluorohexylethyl methacrylate into the reaction bottle , 6 g of stearyl acrylate, 2 g of hydrofluoroether, 1 g of tert-butyl peroxyvaleric acid and 60 g of hydrofluoroether, reacted at 75 °C for 8 hours in a nitrogen environment, and then closed the nitrogen to complete the reaction to obtain a solution of fluorine-containing copolymer .

Embodiment 3

[0041] Weigh 24 g of perfluorohexyl ethyl methacrylate, 16 g of octadecyl acrylate, 2 g of 3-chloro-2-hydroxypropyl methacrylate, 1 g of tert-butyl peroxy tert-valerate and 60 g of hydrofluoroether in four In the mouth bottle, react at 75°C for 8h in a nitrogen environment, then add 2.4g of isophorone diisocyanate and 20g of hydrofluoroether to the reaction flask, turn off the nitrogen, react at 75°C for 8h, and then add 9g of perfluorohexylethyl methacrylate, 6g of octadecyl acrylate, 2g of 3-chloro-2-hydroxypropyl methacrylate, 1g of tert-butyl peroxy tert-valerate and 60g of hydrofluoroether, in nitrogen atmosphere After reacting at 75°C for 8 hours in the environment, turn off the nitrogen gas to end the reaction to obtain a solution of the fluorine-containing copolymer.

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PUM

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Abstract

The invention belongs to the technical field of hydrophobic, oleophobic, acid and alkali corrosion resistant compounds, and specifically relates to a fluorine-containing graft copolymer and its preparation method and application. The fluorine-containing graft copolymer disclosed by the present invention has a dendritic network molecular structure, which is conducive to the orientation of the perfluoro side chains facing outwards, avoiding the cross accumulation of perfluorocarbon chains, so that the fluorine atoms can reach the maximum effective utilization rate, making it more effective for The main chain and internal molecules form a "shielding protection". The electron cloud of the fluorine atom shields the carbon-carbon main chain well. The perfluoroalkyl group with low surface tension not only ensures the stability of the carbon-carbon bond, but also plays a role Excellent waterproof, moisture-proof, anti-corrosion and other properties.

Description

technical field [0001] The invention belongs to the technical field of hydrophobic, oleophobic, acid and alkali corrosion resistant compounds, and specifically relates to a fluorine-containing graft copolymer and its preparation method and application. Background technique [0002] Consumer electronics products mainly include smartphones, PCs and tablets, home appliances, wearable devices, VR, etc., which have already penetrated into all aspects of our daily lives. On the one hand, these consumer electronic products have many internal electronic devices, and after being exposed to water, their performance is seriously degraded and even unusable; on the other hand, they also have functions such as signal communication, sound transmission, and photosensitive imaging. Many parts need to be open to the outside world. These open parts make it very difficult and expensive to seal electronic products. In addition, consumer electronic products are vulnerable to knocks during use, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F265/06C08F220/24C08F220/18C08F220/22C09D151/00C09D5/08
CPCC08F265/06C09D5/08C09D151/003C08F220/24C08F220/1818C08F220/22C08F220/1811
Inventor 宫秀明曾桂阳王久文
Owner 东莞泰岳先进材料有限公司
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