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The chemical structure of the silicone resin is between inorganic and organic

Sep 22, 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 asilicone resin paint with superior weather resistance provide a guaranteestructure. Silicone resin structures different from that of quartz every fouroxygen atoms have a "0" would be replaced by a hydrophobic organicgroup. Silicone polymer chain has a lot of hydroxyl groups, these groups toensure that the silicone resin capable of solid pigment and filler particlesfirmly adhere to the materials is very important. Pigment and filler particlesto the surface of hard mineral building materials contain hydroxyl groups afterthese hydroxyl groups can react chemically with the silicone resin of ahydroxyl group prolapse water. Thus, the silicone resin can be firmly andpigments, fillers and materials phase bonding. Meanwhile, the silicone polymerand water molecules react with the hydroxyl groups remain. This is the resincross-linking molecules in multi-point, forming a typical three-dimensionalsilicone resin network. From the molecular level point of view, the surface ofthe filler particles 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.

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