PRODUCTION OF URETHANIZED POLYSILOXANE

• Main Authors: ERIYAMA YUUICHI, OKAMURA MOMOKO, NAGATA MASAKI
• Format: Patent
• Language: English
• Published: 24.06.1997
• Edition: 6
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PROBLEM TO BE SOLVED: To obtain a urethanized polysiloxane having excellent heat resistance by reacting a silanol-group-containing polysiloxane with a cyclic silane compound represented by a specified formula, a polyisocyanate compound and a compound represented by a specified formula. SOLUTION: A s...