Moulding compositions

Details Moulding compositions Moulding compositions

1982-09-23

1984-03-27

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523500, C08L 6706

Patent

active

044395590

ABSTRACT:
A polyester moulding composition for providing a moulded article less susceptible to cracking than those made from conventional polyester moulding compositions contains an unsaturated polyester resin, 25-55 mole % of the acid of which is a symmetrical aromatic saturated dicarboxylic acid and the glycol of which is preferably 1,6 - hexanediol, a monomer which is a solid or liquid of low volatility, at least one inorganic filler and reinforcing fibres. The filler preferably has a mean particle size of below 5.mu. or from 15 to 130.mu. inclusive.

REFERENCES:
patent: 3631224 (1971-12-01), Baum
patent: 3632667 (1972-01-01), Baum
patent: 3652489 (1972-03-01), Crowe et al.
patent: 3692736 (1972-09-01), Besnard et al.
patent: 4077939 (1978-03-01), Paparatto et al.
Chemical Abstracts (1975) 82, 30, No. 73872p.
Chemical Abstracts (1975) 82, 47, No. 157329e.

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