Large molecule surface modifier for ceramic nanometer surface modification
A surface modifier and surface modification technology, applied in the field of modifiers for surface modification of nano-powders
Inactive Publication Date: 2007-05-30
ANHUI UNIVERSITY +1
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Problems solved by technology
Although the nano-powder treated by irradiation, plasma, microwave and other surface treatment in the physical method has a high coating rate, a good modification effect, and excellent dispersion in the polymer matrix, it involves expensive equipment, such as high-energy radiation. , plasma generation and other devices, so the current domestic chemical method is still the main
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[0037] Now prepare this modifying agent with free radical initiation polymerization technique, non-limiting embodiment is described as follows (all are mass parts in the example):
[0038]1. Monomer: 15-20 parts of butyl acrylate MBA, 12-8 parts of styrene St, 19-5 parts of vinyltriethoxysilane A-1519; Initiator: 0.5-0.80 parts of dibenzoyl peroxide BPO, 0.50-0.80 parts of dicumyl peroxide DCP; molecular weight modifier: 0.60-1.00 parts of dodecyl mercaptan DMC; solvent: 50-65 parts of toluene MB.
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Abstract
The invention discloses a macromolecular surface modifier of ceramic nanometer surface, which is polymerized by (methyl) acrylate, vinyl siloxane and (methyl) acrylic acid, anhydride, phenylethene, acetic acid ethyenyl ester and acrylic nitrile in the organic solvent to obtain the oligomer with molecular weight at 3000-9000. The invention clads ceramic nanometer powder through liquid-phase or spraying method, which can modify rubber material.
Description
1. Technical field [0001] The invention relates to a modifying agent for surface modification of nanometer powder, in particular to an oligomer surface modifying agent, specifically a macromolecule surface modifying agent for ceramic nanometer surface modification. 2. Background technology [0002] In recent years, nanopowder materials and related nanotechnology have been initially applied in some traditional industries, such as coatings, plastics, papermaking, inks, building materials and other industries, which have significantly improved the technical level and performance of related products. After the application of nanotechnology in the coatings industry, exterior wall coatings with self-cleaning, anti-ultraviolet aging, weather resistance, powdering resistance, and discoloration resistance and interior wall coatings with anti-mildew, sterilization, and photocatalytic decomposition of air pollutants have appeared, as well as energy Display coatings that absorb electrom...
Claims
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IPC IPC(8): C09C3/10C04B35/628C04B35/634
Inventor 章于川钱家盛夏茹林宏云夏迎松何仕生张海潮陈兴华朱宝宁
Owner ANHUI UNIVERSITY