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A kind of preparation method of polycarbonate surface coating new material

A technology of surface coating and polycarbonate, which is applied in the field of preparation of new materials for polycarbonate surface coating, can solve the limitation of wear resistance in the wide application of polycarbonate materials, the wear resistance of polycarbonate materials, hydrolysis resistance and ultraviolet resistance. Irradiation, poor alkali resistance and other problems, to achieve the effect of enhanced service life and performance, salt spray resistance, and expanded application range

Active Publication Date: 2020-06-26
株洲地博光电材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The wear resistance, hydrolysis resistance, ultraviolet radiation resistance and alkali resistance of polycarbonate materials are poor, especially the poor wear resistance greatly limits the wide application of polycarbonate materials

Method used

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  • A kind of preparation method of polycarbonate surface coating new material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of a new polycarbonate surface coating material, the preparation technical scheme is as follows:

[0020] According to the number of parts by mass: 160 parts of modified silica sol base material and 12 parts of silane coupling agent are inserted into the reactor, heated to 50°C, stirred and reacted for 70 minutes, and then 8 parts of carbonate block polymer are added, After continuing to stir for 25min, add 15 parts of propylene glycol dimethyl ether, 18 parts of ethylene glycol butyl ether, 0.3 part of palm oleeth-60 hexyl dicarbamate, 0.04 part of stearyl hydroxyethyl imidazoline Nitrogenium chloride, 1.3 parts of tetrabutylammonium hydroxide and 0.8 parts of ultraviolet absorber nano-titanium oxide, heat preservation at 55 ° C, and stir for 90 minutes to obtain a new polycarbonate surface coating material.

[0021] The silane coupling agent is vinyltriethoxysilane.

[0022] Described modified silica sol base material is prepared according to the...

Embodiment 2

[0028] A preparation method of a new polycarbonate surface coating material, the preparation technical scheme is as follows:

[0029] According to the number of parts by mass: 150 parts of modified silica sol base material and 9 parts of silane coupling agent are inserted into the reactor, heated to 40°C, stirred and reacted for 60 minutes, and then 5 parts of carbonate block polymer are added, After continuing to stir for 20min, add 12 parts of propylene glycol dimethyl ether, 15 parts of ethylene glycol butyl ether, 0.1 part of palm oleeth-60 hexyl dicarbamate, 0.01 part of stearyl hydroxyethyl imidazoline Nitrogenium chloride, 1.0 part of tetrabutylammonium hydroxide and 0.5 part of ultraviolet absorber nano-titanium oxide are kept at 50°C and stirred for 60 minutes to obtain a new polycarbonate surface coating material.

[0030] The silane coupling agent is methylvinyldimethylsilane.

[0031] Described modified silica sol base material is prepared according to the followi...

Embodiment 3

[0037] A preparation method of a new polycarbonate surface coating material, the preparation technical scheme is as follows:

[0038]According to the number of parts by mass: 180 parts of modified silica sol base material and 16 parts of silane coupling agent were inserted into the reactor, heated to 60°C, stirred and reacted for 80 minutes, and then 10 parts of carbonate block polymer were added, After continuing to stir for 30min, add 18 parts of propylene glycol dimethyl ether, 20 parts of ethylene glycol butyl ether, 0.6 part of palm oleeth-60 hexyl dicarbamate, 0.06 part of stearyl hydroxyethyl imidazoline Nitrogenium chloride, 1.5 parts of tetrabutylammonium hydroxide and 1.0 part of ultraviolet absorber nano-titanium oxide are kept at 60°C and stirred for 120 minutes to obtain a new polycarbonate surface coating material.

[0039] The silane coupling agent is 3-glycidyloxypropyltrimethoxysilane.

[0040] Described modified silica sol base material is prepared according...

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Abstract

The invention relates to the field of novel material preparation, in particular to a preparation method of a polycarbonate surface coating novel material. The method is characterized in that modifiedsilicon sol substrates and silane coupling agents are inoculated into a reaction kettle; heating is performed to reach 40 to 60 DEG C; stirring reaction is performed for 60 to 80min; next, carbonate ester block polymers are added; stirring is continuously performed for 20 to 30min; next, propylene glycol dimethyl, butyl cellosolve, tetrabutyl ammonium hydroxide and ultraviolet light absorbers of nanometer titanium oxide are added; heat insulation is performed for 50 to 60 DEG C; stirring reaction is performed for 60 to 120min; the polycarbonate surface coating novel material can be obtained.

Description

technical field [0001] The invention relates to the field of material preparation, in particular to a preparation method of a new polycarbonate surface coating material. Background technique [0002] Polycarbonate transparent parts have been widely used in the manufacture of aircraft cockpit transparent parts, automotive industry, optical lenses, head robber masks, lighting equipment, etc. With the diversification and complexity of the aircraft flight environment, higher requirements are put forward for the transparent parts of the aircraft cockpit. [0003] CN105899611A provides a copolycarbonate composition, comprising: a copolycarbonate comprising a first repeating unit of an aromatic polycarbonate, and a second aromatic polycarbonate having at least one siloxane bond Repeating unit, or ii) the copolycarbonate and polycarbonate, the copolycarbonate satisfies Mathematical Formula 1: [Mathematical Formula 1] 1.0682×X+0.51<Y<1.0682×X+1.2, in Formula 1, X represents s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/65C09D7/63C09D7/61C08G18/76C08G18/44
CPCC08G18/44C08G18/7671C09D1/00C09D7/61C09D7/63C09D7/65
Inventor 邓丽黄泉华刘小克
Owner 株洲地博光电材料有限公司
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