CYCLIC OLEFIN-BASED COPOLYMER AND ITS PRODUCTION

• Main Authors: TAKEUCHI MASAKI, IWATA KAORU, YAMAURA MICHIO
• Format: Patent
• Language: English
• Published: 12.05.1998
• Edition: 6
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PROBLEM TO BE SOLVED: To obtain the subject copolymer composed of each specific recurring units in specified proportions, excellent in transparency, optical isotropy, hydrophilicity and heat resistance, and useful for optical materials, etc. SOLUTION: This copolymer is composed of (A) 2-80mol% of re...