Coating as well as preparation method and application thereof
A coating and coating technology, used in polyurea/polyurethane coatings, coatings, semiconductor devices, etc., can solve the problems of low coating hardness and service life, low coating adhesion, and increased pollution, and achieve wear resistance. And outdoor self-cleaning effect, good wear resistance, long life effect
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Embodiment 1
[0052] This embodiment provides a kind of coating, and the raw material of described coating comprises 1.5 parts of polyurethane acrylates (Shandong Ruili PUA), 3 parts of vinyltriethoxysilanes, 1.5 parts of titanate coupling agents (iso Propyl tris (dioctyl pyrophosphate acyloxy) titanate, Jinan Rongguang Chemical Industry GR201), 0.5 parts of 2-hydroxy-2-methyl-1-phenyl ketone and 0.5 parts of nano titanium dioxide (Shanghai Chaowei Nanotechnology C25).
[0053] The present embodiment provides a kind of preparation method of described coating, and concrete steps comprise:
[0054] Premix vinyltriethoxysilane and titanate coupling agent in a mixed solution of water and methanol (the mass ratio of water and methanol is 4:3) for 12 hours according to the formula to obtain modified silane; The modified silane is mixed with urethane acrylate, 2-hydroxy-2-methyl-1-phenyl ketone and nano-titanium dioxide to obtain the coating; the solid content of the coating is 9.1%.
Embodiment 2
[0056] The present embodiment provides a kind of coating, and the raw material of described coating comprises 0.5 part of polyurethane acrylate (Shandong Ruili PUA), 1 part of vinyltriethoxysilane, 0.8 part of titanate coupling agent (Jinan Rongguang Chemical GR201), 0.01 part of 2-hydroxy-2-methyl-1-phenyl ketone and 0.1 part of nano strontium titanate (Beijing Gaoke, particle size 10nm).
[0057] The present embodiment provides a kind of preparation method of described coating, and concrete steps comprise:
[0058] According to the formula quantity, vinyltriethoxysilane and titanate coupling agent were premixed for 12 hours in a mixed solution of water and methanol (the mass ratio of water and methanol was 1:1) to obtain modified silane; The modified silane is mixed with polyurethane acrylate, 2-hydroxy-2-methyl-1-phenyl ketone and nano-strontium titanate to obtain the coating; the solid content of the coating is 5.7%.
Embodiment 3
[0060] The present embodiment provides a kind of coating, and the raw material of described coating comprises 2 parts of novolac epoxy acrylates (Jiangyin Getai Chemical Industry GT-3218), 5 parts of gamma-(methacryloyloxy)propyl trimethoxy in parts by weight. base silane, 1 part of titanate coupling agent (Jinan Rongguang Chemical GR201), 1 part of 2-hydroxy-2-methyl-1-phenyl ketone and 1 part of nano zinc sulfide (Zhejiang Yamei Nano Technology AM- ZnS, particle size 100nm).
[0061] The present embodiment provides a kind of preparation method of described coating, and concrete steps comprise:
[0062] Premix γ-(methacryloyloxy)propyltrimethoxysilane and titanate coupling agent in a mixed solution of water and methanol (the mass ratio of water and methanol is 6:5) for 12 hours according to the formula quantity , to obtain modified silane; the modified silane is mixed with novolac epoxy acrylate, 2-hydroxyl-2-methyl-1-phenyl ketone and nano-zinc sulfide to obtain the coating...
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Abstract
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