| abstract |
NEW MATERIAL:A compound shown by formula I (R is alkyl, aryl or perfluoroalkyl). n EXAMPLE: A compound shown by formula II. n USE: Useful for modifying interfacial properties of synthetic resin. n PREPARATION: 1,3-Diphthalimido-2-methylenepropane shown by formula III is added to a one-end hydrogen modified organosiloxane oligomer shown by formula IV. In the reaction, a platinum complex containing 1,3,5,7- tetrapyranyl-1,3,5,7-tetramethylcyclotetrasiloxane as a ligand is preferably used as a catalyst. n COPYRIGHT: (C)1992,JPO&Japio |