Title:
POLYALICYCLIC POLYACRYLIC ESTER DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1990/003987
Kind Code:
A1
Abstract:
Polyacrylic ester derivatives represented by the repeating units of formula (I) (wherein R and R' each independently represents a hydrogen atom or a methyl group, R1 represents a C1-C4 straight-chain or branched alkyl group, A represents a structural unit derived from a group capable of copolymerizing with an acrylic ester, l, m and n represent 0.04 to 1, 0 to 0.96 and 0 to 0.5, respectively, with the proviso that the sum of them is 1 and, when m is 0.2 or less, n is a number of 0.01 or less) and having a molecular weight of about 5,000 to about 1,000,000 are disclosed. They can be molded and are useful as optical materials.
Inventors:
SEKIMOTO KENICHI (JP)
OSHIMA NORIAKI (JP)
TAKAHASHI YOUSUKE (JP)
SEITA TORU (JP)
OSHIMA NORIAKI (JP)
TAKAHASHI YOUSUKE (JP)
SEITA TORU (JP)
Application Number:
PCT/JP1989/001048
Publication Date:
April 19, 1990
Filing Date:
October 12, 1989
Export Citation:
Assignee:
TOSOH CORP (JP)
International Classes:
C07D303/16; C07D303/17; C08F220/32; G02B1/04; (IPC1-7): C08F220/32; C07D303/17; C08F220/12; G02B1/04; G11B7/24
Foreign References:
| JPS51125491A | 1976-11-01 | |||
| JPS60197710A | 1985-10-07 | |||
| JPH05889606A | ||||
| JPS51105353A | 1976-09-17 |
Other References:
See also references of EP 0392029A1
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