| 摘要 |
1,235,716. Organotin compounds. TENNECO CHEMICALS Inc. 7 Oct., 1968 [5 Oct., 1967], No. 47493/68. Heading C2J. [Also in Division C3] A basic organotin compound of the Formula I where X is oxygen or sulphur, R is a C 4-17 alkyl group, a C 1-18 alkoxy group, an aralkyl group or a group of the formula where R<SP>111</SP> is a C 1-18 alkyl group, a cycloalkyl group or an aralkyl group, R<SP>1</SP> and R<SP>11</SP> are the same or different and are C 4-8 alkyl groups, alkaryl, aralkyl, cycloalkyl or aryl groups and n is 0 or 1, may be prepared by reacting a compound of the formula with an organotin oxide of the formula R<SP>1</SP>R<SP>11</SP>SnO. The compounds of the Formula I are used as heat- and light-stabilizers for resin compositions (see Division C3). |
