Photocurable compositions of poly(ethynylphenyl)acetylene, its c

Details Photocurable compositions of poly(ethynylphenyl)acetylene, its c Photocurable compositions of poly(ethynylphenyl)acetylene, its c

1986-08-25

1988-08-30

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 25, 522 37, 522 40, 522 43, 522 44, 522 50, 522 54, 522 65, 522 26, 522 48, 522 53, 522 66, 522110, 522 79, 522125, 522124, 522111, 522117, 522119, 522121, 522 34, 522120, 522114, 522158, 525202, 525275, 525288, 525353, C08F 250, C08F28100

Patent

active

047677970

ABSTRACT:
A linear polymer having a recurring unit represented by the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.6-10 cycloalkyl group, an aryl group, or a halogen atom and the ethynyl group is in either meta position or para position to the main polymer chain;
and a weight-average molecular weight of 1,000 to 1,000,000. A resin composition consisting essentially of (i) a polymer having a recurring unit represented by the formula (I) or a polymer having a recurring unit represented by the formula (I) and a recurring unit represented by the formula (II): ##STR2## wherein X and Y each independently is a C.sub.6-20 aryl group, a C.sub.1-10 alkyl group, a C.sub.6-10 cycloalkyl group, a silyl group having a C.sub.1-10 alkyl group or a C.sub.6-10 aryl group, a hydrogen atom or a halogen atom, and the ethynyl group of the unit (I) is in either meta position or para position to the main polymer chain; and the weight ratio of the unit (I) to the unit (II) ranges from 1/99 to 99.5/0.5 and (ii) at least one agent selected from the group consisting of (a) an improvement agent for casting and molding property in an amount of about 3 to about 50% by weight based on the weight of the polymer; (b) an adhesive agent in an amount of about 1 to about 15% by weight based on the weight of the polymer; and (c) a photocrosslinking initiator in an amount of about 0.1 to about 20% by weight based on the weight of the polymer.

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