Ethyl orthosilicate-methyltrimethoxysilane copolymer KBM 13-tetraethoxysilane copolymer KR 500-tetraethoxysilane copolymer Methyltrimethoxysilane-TEOS copolymer Methyltrimethoxysilane-tetraethoxyorthosilicate copolymer Methyltrimethoxysilane-tetraethoxysilane copolymer Methyltrimethoxysilane-tetraethoxysilane-trimethylsilanol copolymer Methyltrimethoxysilane-tetraethyl orthosilicate copolymer Methyltrimethoxysilane-tetraethyl silicate copolymer Silane, trimethoxymethyl-, polymer with silicic acid (H4SiO4) tetraethyl ester Silicic acid (H4SiO4), tetraethyl ester, polymer with trimethoxymethylsilane Tetraethoxy orthosilicate-trimethoxymethylsilane copolymer Tetraethoxysilane-methyltrimethoxysilane copolymer Tetraethoxysilane-trimethoxymethylsilane copolymer Tetraethyl orthosilicate-methyltrimethoxysilane copolymer Tetraethyl orthosilicate-trimethoxymethylsilane copolymer TM 46 Trimethoxymethylsilane-tetraethoxysilane copolymer Trimethoxymethylsilane-tetraethylorthosilicate copolymer