TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - The silane end capping agent is N-phenyl- gamma -aminopropyltrimethoxysilane, N-phenyl- gamma -aminoisobutyl methyl dimethoxy silane, bis( gamma -trimethoxysilylpropyl)amine, gamma -aminopropyl methyl dimethoxy silicon, gamma -aminopropylmethyl dimethoxysilane, gamma -aminopropyl trimethoxy silane, gamma -aminopropyl triethoxy silane, N-methyl- gamma -aminopropyl dimethoxy silicon, 4-(N-ethyl)-aminopropyl-3,3 dimethylbutyl silane, gamma -mercaptopropyl dimethoxy silicon, gamma -sulfopropyl diethoxy silicon, gamma -carbamide propyl dimethoxy silicon, gamma -ureidopropyl trimethoxy silane and/or N-(trimethoxysilylpropyl)aminosuccinate ester. The filler is nano active light calcium carbonate, superfine light calcium carbonate, precipitated carbon black or white, silicon micro-powder precipitation carbon black or white, silicon micro-powder, quartz powder, diatomite, talcum powder and/or mica powder. The thixotropic agent is gas phase carbon black or white, nano active calcium carbonate, bentonite, silica-based polyether and/or hydrogenated castor oil. The pigment is titanium dioxide, carbon black and/or iron oxide black. The flame retardant is magnesium hydroxide, aluminum hydroxide, zinc borate, magnesium oxide, aluminum oxide and/or antimony trioxide. The cross-linking agent is methyl tris(methylethylketoxime)silane, vinyl tributoxyketoxime silane, methyl tri-iso-(methylethylketoxime)silane, vinyl tris(methylisobutyl ketoxime)silane, tetrabutyl ketoxime silane and/or isobutyl ketone oxime silane. The adhesion promoter is gamma -glycidoxypropyltrimethoxy silane, gamma -glycidoxypropyltriethoxysilane, gamma -glycidoxypropylmethyldimethoxysilane, bis(dimethylamino)dimethylsilane, vinyl triethoxysilane, dimethoxy(methyl)silane and gamma -carboxy-propyl diethoxysilane. The titanium compound catalyst is tetra-isopropyl titanate, tetra n-butyl titanate, tetrakis(trimethylsiloxy)titanate, diisopropoxy-bis(acetylacetonate) titanate, diisopropoxy-bis(ethylacetoacetate) titanate, propylidene dioxo-bis(acetylacetonate)titanate, and/or propylidene dioxo-bis(ethylacetoacetate)titanate.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Method: Preparation (Claimed): Preparing partial silylated polyurethane, comprises: (a) dehydrating flexible long chain aliphatic hydrocarbon polyol at 100-120 degrees C for 1-3 hours, cooling and adding into the reactor with diisocyanate, passing nitrogen under stirring, and raising the temperature to 65-80 degrees C and then reacting to obtain terminal cyanate group polyurethane acrylate; and (b) adding silane-terminated agent in the cyanate based polyurethane acrylate, and controlling cyanate and silane-terminated mol ratio of more than 2-1.5:1. Preferred Components: The diisocyanate is toluene diisocyanate, diphenylmethane diisocyanate, xylylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate and/or dicyclohexylmethane diisocyanate. The catalyst is organic acid tin catalyst or titanium compound catalyst. The organic carboxylic acid tin catalyst is stannous octoate tin, dibutyl tin laurate, tin dilaurate, dioctyl secondary acid dibutyl tin, dibutyltin diacetate, diisooctyl maleate, dimethyl tin oleic acid, dimethyl tin capric acid, dimethoxyethane and/or dibutyl tin oxide.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The long chain aliphatic hydrocarbon polyol is castor oil, polybutadiene diol and/or polybutadieneacrylonitrile copolymer. The alpha - omega -di-hydroxy polydimethylsiloxane has a structure of formula (HO-(Si(CH3)2-O)n-Si(CH3)2-OH), a temperature of 25 degrees C and a viscosity of 10000-1000000 mPa.S. The methyl silicone oil has a structure of formula (CH3-(Si(CH3)2O)m-Si(CH3)3), a temperature of 25 degrees C and a viscosity of 50-1000 mPa.S.n = 400-1500; and m = 30-200