Polymerizable compositions and in-mold cured products using same

Details Polymerizable compositions and in-mold cured products using same Polymerizable compositions and in-mold cured products using same

1993-04-22

1994-07-19

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524539, 525 28, 525455, 525920, C08J 302, C08K 300, C08L 5100, C08L 3900

Patent

active

053310411

ABSTRACT:
A polymerizable composition contains unsaturated urethane shown by Formula (1) given below, vinyl monomer which is copolymerizable with this unsaturated urethane, and an inorganic powder filler at weight ratio of (unsaturated urethane)/(vinyl monomer)=10/90-90/10, the inorganic powder filler being 30-300 weight parts with respect to 100 weight parts of the sum of the unsaturated urethane and vinyl monomer: ##STR1## where R.sup.1 is hydrogen atom or methyl group; X is a residual group obtained by removing isocyanate groups from diisocyanate; Y is a residual group obtained by removing hydroxyl groups from non-radical polymerizable di-ol or tri-ol of a specified kind; Z is an organic group in the form of (R.sup.2 O).sub.m or R.sup.3 O, R.sup.2 being an alkylene group with 2-4 carbon atoms, R.sup.3 being an alkylene group with 2-12 carbon atoms, and m being an integer 2-10; and n is 2 or 3.

REFERENCES:
patent: 4477405 (1984-10-01), Makhlouf et al.

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