| 摘要 |
<p>An isocyanate trimer having the silane structure or modified by the functional polysilocane represented by the following formula and their preparation methods, in which R is the group such as tolyl, ethylphenyl, 1,5-naphthyl, diphenylmethyl, hexamethyl, isophorone, 2,2,6-tirmethylcyclohexyl, 4,4'-biscyclohexylmethane which substituted by di-isocyanate; R<SUB>1</SUB> is the saturated or unsaturated, linear or branched alkyl, cyclic group, aryl etc., its main carbon atom is 1-8, and may be the homologue of aromatic hydrocarbon, R<SUP>2</SUP> and R<SUP>3</SUP> each is C<SUB>1</SUB>~C<SUB>6</SUB>alkyl, aryl, trialkylsilanyl, methoxylalkoxyl, a is a positive integer from 0 to 3, R<SUB>1</SUB>,R<SUB>2</SUB>,R<SUB>3</SUB>,R<SUB>4</SUB> or R<SUB>5</SUB> each is saturated or unsaturated, linear or branched alkyl, cycloalkyl, aryl, alkoxyl, cycloalkoxyl etc., which the amount of carbon atoms is 1~12, X mainly represents -NH-, -NHCH<SUB>2</SUB>CH<SUB>2</SUB>NH-, -NHCH<SUB>2</SUB>CH<SUB>2</SUB>NHCH<SUB>2</SUB>CH<SUB>2</SUB>NH-, -N-, -NHCONH-, , -S-, -O-, n is a positive integer which =0.</p> |
