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Jun 23, 2017
Structure silicone resin
The chemical structure of the siliconeresin is between inorganic and organic molecular structure of quartz as areference, a main chain composed of silicon and oxygen atoms, therefore all thesilicone resin other than silicone having more inorganic properties. After 1009silicone combustion, the remaining approximately 909 silica, which is a siliconeresin paint with superior weather resistance provide a guarantee structure.Silicone resin structures different from that of quartz every four oxygen atomshave a "0" would be replaced by a hydrophobic organic group. Siliconepolymer chain has a lot of hydroxyl groups, these groups to ensure that thesilicone resin capable of solid pigment and filler particles firmly adhere tothe materials is very important. Pigment and filler particles to the surface ofhard mineral building materials contain hydroxyl groups after these hydroxylgroups can react chemically with the silicone resin of a hydroxyl groupprolapse water. Thus, the silicone resin can be firmly and pigments, fillersand materials phase bonding. Meanwhile, the silicone polymer and water moleculesreact with the hydroxyl groups remain. This is the resin cross-linkingmolecules in multi-point, forming a typical three-dimensional silicone resinnetwork. From the molecular level point of view, the surface of the fillerparticles can be produced by bonding the inorganic portion of thesilicon-oxygen bond with silicone. Inorganic portion of the silicone throughthe capillary pores and cavities "coverage" and thus serve tostrengthen the role of the filler, also known as "micro enhanced"performance. These trifunctional silicon-oxygen bond capable of bonding withthe particle surface. Silicone organic groups as small umbrella-like eleveninternal projection from the hole to the surface, the surface of the organicgroup has hydrophobic properties. These two phenomena, microporous hydrophobicand enhanced microporous structure, it is the secret of the success of siliconecoatings.