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Ultraviolet curing coating containing modified carbon nanotube

A technology for curing coatings and nanotubes, which is applied in the field of coatings and can solve problems such as poor adhesion and low hardness

Inactive Publication Date: 2019-05-10
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the existing UV-curable coatings are used in aluminum products and other fields, the adhesion is poor, and the hardness is often not high, which limits its application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A UV-curable coating containing modified carbon nanotubes proposed by the present invention, its raw materials include by weight: 60 parts of epoxy acrylate prepolymer, 20 parts of reactive diluent, 8.5 parts of polyimide, modified 1 part of carbon nanotube, 3.5 parts of montmorillonite, 1 part of attapulgite, 4 parts of titanium dioxide sol, 0.5 part of mercaptosilane coupling agent, 3,9-dimethylol-3',9'-diethyl- 7 parts of 1,5,7,11-tetraoxaspiro[5,5]undecane, 0.1 parts of additives;

[0017] Wherein, the modified carbon nanotubes are prepared according to the following process: add photoinitiator D2959 and succinic anhydride to dichloromethane, stir for 25 minutes, then add 4-methylaminopyridine, react at 65°C for 8 hours, and the reaction ends After washing, drying, and rotary evaporation to obtain material A; epoxidize carbon nanotubes to obtain epoxidized carbon nanotubes; mix epoxidized carbon nanotubes, material A and xylene evenly, stir for 60 minutes, and then ...

Embodiment 2

[0019] The present invention proposes a UV-curable coating containing modified carbon nanotubes, whose raw materials include by weight: 45 parts of epoxy acrylate prepolymer, 38 parts of reactive diluent, 3 parts of polyimide, modified 3 parts of carbon nanotubes, 0.5 parts of montmorillonite, 2.7 parts of attapulgite, 2 parts of titanium dioxide sol, 2 parts of mercaptosilane coupling agent, 3,9-dimethylol-3',9'-diethyl- 1,5,7,11-tetraoxaspiro[5,5]undecane 3 parts, additive 1.5 parts;

[0020] Wherein, the modified carbon nanotubes are prepared according to the following process: adding photoinitiator D2959 and succinic anhydride into dichloromethane, stirring for 40 minutes, then adding 4-methylaminopyridine, reacting at 60°C for 15 hours, and the reaction ends After washing, drying, and rotary evaporation to obtain material A; epoxidize carbon nanotubes to obtain epoxidized carbon nanotubes; mix epoxidized carbon nanotubes, material A and xylene evenly, stir for 30 minutes,...

Embodiment 3

[0022] A UV-curable coating containing modified carbon nanotubes proposed by the present invention, its raw materials include by weight: 56 parts of epoxy acrylate prepolymer, 22 parts of reactive diluent, 8 parts of polyimide, modified 1.8 parts of carbon nanotubes, 3 parts of montmorillonite, 1.3 parts of attapulgite, 3.6 parts of titanium dioxide sol, 1 part of mercaptosilane coupling agent, 3,9-dimethylol-3',9'-diethyl- 6 parts of 1,5,7,11-tetraoxaspiro[5,5]undecane, 0.3 parts of additives;

[0023] Wherein, the modified carbon nanotubes are prepared according to the following process: add photoinitiator D2959 and succinic anhydride into dichloromethane, stir for 28 minutes, then add 4-methylaminopyridine, react at 64°C for 9 hours, and the reaction is completed After washing, drying, and rotary evaporation to obtain material A; epoxidize carbon nanotubes to obtain epoxidized carbon nanotubes; mix epoxidized carbon nanotubes, material A and xylene evenly, stir for 56 minut...

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PUM

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Abstract

The invention discloses an ultraviolet curing coating containing a modified carbon nanotube. Raw materials comprise epoxy acrylate prepolymers, reactive diluents, polyimide, modified carbon nanotube montmorillonite, attapulgite, titanium dioxide sol, sulfydryl silane coupling agents, 3, 9-dihydroxytoluene-3', 9'-diethyl-1, 5, 7, 11-tetra-oxygen spiro-heterocycle [5, 5] undecane and auxiliaries. The modified carbon nanotube is prepared according to the process including the steps: adding photo-initiators D2959 and succinic anhydride into methylene dichloride, stirring the materials, adding 4-methylaminopyridine, performing reaction for 8-15 hours at the temperature of 60-65 DEG C, and performing washing, drying and rotary evaporation to obtain a material A; epoxidizing a carbon nanotube toobtain an epoxidized carbon nanotube; blending the epoxidized carbon nanotube, the material A and xylene, stirring the materials, adding triphenyl phosphine, performing reaction for 6-8 hours at the temperature of 85-95 DEG C, and performing rotary evaporation and drying.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an ultraviolet curing coating containing modified carbon nanotubes. Background technique [0002] UV-curable coating is a new type of coating. Different from traditional coatings that adopt natural drying or thermal curing processes, this coating undergoes a photochemical reaction after being irradiated by ultraviolet light, so that the coating can be quickly polymerized and cross-linked, so as to achieve curing and film formation. Purpose, it has the characteristics of convenient coating, fast curing speed and less pollution, so it has been widely used in wood, plastic, metal, electronics and other fields. However, when the existing UV-curable coatings are used in fields such as aluminum products, the adhesion is poor, and the hardness is often not high, which limits its application. Contents of the invention [0003] Based on the technical problems existing in the backgroun...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D179/08C09D7/62C09D7/61C09D7/65
Inventor 王厚国李子荣王和山王和东殷东楼殷芳荣曹文强张万霞张萍
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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