Conducting paint
A conductive coating and functional technology, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve problems such as difficult dispersion, poor resin compatibility, and unsatisfactory conductive fillers
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[0041] The preparation method of the conductive coating is not particularly limited in the present invention, and it can be a preparation method well known to those skilled in the art. In order to make the conductive paint of the present invention have better performance, the preparation method of described conductive paint is preferably prepared by the following method:
[0042] Mixing the solvent, wetting and dispersing agent and defoamer, and stirring to obtain the first mixed solution; mixing graphene and functionalized graphene with the first mixed solution, and sanding after stirring to obtain the material; After stirring, mix with epoxy resin curing agent to obtain component A; mix epoxy resin with component A to obtain conductive coating.
[0043] The invention provides a conductive coating, which comprises: 1wt%~8wt% graphene, 0.1wt%~1wt% functionalized graphene, 15wt%~30wt% epoxy resin and curing agent, 0.2wt%~ 1.5wt% wetting and dispersing agent, 0.1wt%~0.5wt% defo...
Embodiment 1
[0047] 1) At a speed of 400r / min, add 62.5 parts by weight of tap water, 0.15 parts by weight of BYK-190 wetting and dispersing agent produced by BYK Company, 0.15 parts by weight of Hydropalat3275 wetting and dispersing agent produced by Shenzhen Haichuan Chemical Co., Ltd., TEGO 0.2 parts by weight of Foamex825W defoamer produced by the company, stirred for 5 minutes;
[0048] 2) Adjust the rotation speed to 2500r / min, slowly add 6 parts by weight of graphene and 1 part by weight of aminated graphene produced by Yoshikura Nano Co., Ltd. to the solution obtained in step 1), stir evenly and put it on a sand mill for sand grinding 60min;
[0049] 3) Move the sanded material to a high-speed mixer, and adjust the speed to 600r / min, and add 10 parts by weight of BH520 epoxy curing agent produced by Dongguan Heima Chemical to obtain component A;
[0050] Component B is the BH653 epoxy resin of 20 parts by weight produced by Dongguan Heima Chemical Industry;
[0051] When using, j...
Embodiment 2
[0053] 1) At a speed of 400r / min, add 63.4 parts of tap water, 0.15 parts by weight of BYK-190 wetting and dispersing agent produced by BYK Company, and 0.15 parts by weight of Hydropalat3275 wetting and dispersing agent produced by Shenzhen Haichuan Chemical Co., Ltd., produced by TEGO Company 0.2 parts by weight of Foamex825W defoamer, stirred for 5min;
[0054] 2) Adjust the rotation speed to 2500r / min, and slowly add 6 parts by weight of graphene to the solution obtained in step 1), 0.1 parts by weight of aminated graphene produced by Yoshikura Nano Co., Ltd., stir evenly and place it on a sand mill for 60 minutes. ;
[0055] 3) Move the sanded material to a high-speed mixer, adjust the speed to 600r / min, and add 10 parts by weight of BH520 epoxy curing agent produced by Dongguan Heima Chemical to obtain component A.
[0056] Component B is 20 parts by weight of BH653 epoxy resin produced by Dongguan Heima Chemical Industry.
[0057] When using, just mix components A and...
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