Resin composition having low shrink properties

Details Resin composition having low shrink properties Resin composition having low shrink properties

1978-11-30

1980-10-14

Ziegler, J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

26040P, 525 27, 525 36, 525 40, 525 42, 525 43, 525 49, 525177, C08L 6706

Patent

active

042282519

ABSTRACT:
A resin composition which comprises (A) 50 to 90 parts by weight of an unsaturated ester oligomer produced by reacting a glycol, hydroxylated dicyclopentadiene, and at least one unsaturated dibasic acid or anhydride thereof until an acid value of less than 40, (B) 50 to 10 parts by weight of one or more polymerizable monomers, and (C) 3 to 15 parts by weight of polystyrene based on 100 parts by weight of the total of the components (A) and (B), can give molded articles having low shrink properties and improved color shading, cracks, etc.

REFERENCES:
patent: 3502921 (1970-03-01), Souza et al.
patent: 3883612 (1975-05-01), Pratt et al.
patent: 4052358 (1977-10-01), Wada et al.

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