Title:
RING-OPENED COPOLYMER
Document Type and Number:
Japanese Patent JP3149315
Kind Code:
B2
Abstract:
PURPOSE: To obtain a copolymer useful for e.g. constituting a new heat storage and utilization system for solar light energy, useful as a photothermal conversion functional material, composed of a norbornadiene derivative expressed by a specific formula and a carboxylic anhydride.
CONSTITUTION: This ring-opened copolymer of formula I [R1 is a (substituted) hydrocarbon, a heterocyclic ring, alkoxyl, acyloxy, ester, amido, cyano, amino, carbamoyl, or ureide; R2 is a (substituted) hydrocarbon or heterocyclic ring; R3 is O, N, a hydrocarbon which may have a substituent with O or N as its one lone pair, or a heterocyclic ring] is obtained by reaction of an epoxy group- bearing norbornadiene derivative of pref. formula II with a carboxylic anhydride of formula III.
Inventors:
Tadaomi Nishikubo
Atsushi Kameyama
Atsushi Kameyama
Application Number:
JP15507094A
Publication Date:
March 26, 2001
Filing Date:
July 06, 1994
Export Citation:
Assignee:
Japan Science and Technology Agency
International Classes:
C09K5/00; C08G63/12; C08G63/40; C08G63/685; C08G63/78; C09K9/02; (IPC1-7): C08G63/40; C09K5/00
Domestic Patent References:
| JP433988A |
Attorney, Agent or Firm:
Toshio Nishizawa