Thermosetting polyester compositions

Details Thermosetting polyester compositions Thermosetting polyester compositions

1977-01-25

1978-12-26

Taylor, Hosea E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260872, 260 40R, C08L 6706, C08K 0000

Patent

active

041316355

ABSTRACT:
Thermosetting moulding material comprising an unsaturated polyester, a copolymerizable vinyl monomer and other additives are disclosed which contain as a shrinkage-reducing additive a copolymer of styrene with 2 to 10% by weight of an unsaturated monocarboxylic acid, and 15 to 40% by weight of a dialkyl ester of an unsaturated dicarboxylic acid. These compositions may be used as casting resins, in dough-moulding and in sheet-moulding to prepare dimensionally stable objects with a smooth surface and homogeneous coloration.

REFERENCES:
patent: 2882256 (1959-04-01), Waychoff
patent: 3225117 (1965-12-01), Harper
patent: 3551378 (1970-12-01), Rabenold et al.
patent: 3772241 (1973-11-01), Kroekel
patent: 3883612 (1975-05-01), Pratt et al.
patent: 3928254 (1975-12-01), Takayama et al.
patent: 3956421 (1976-05-01), Roberts et al.

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