Moulding process for unsaturated polyester resins containing fil

Details Moulding process for unsaturated polyester resins containing fil Moulding process for unsaturated polyester resins containing fil

1972-04-05

1976-08-03

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

260862, 264161, 264276, B29G 100, B29G 700

Patent

active

039729770

ABSTRACT:
A process for the preparation of moulded articles by the compression moulding at elevated temperatures in matched metal moulds of moulding compounds based on thermosettable unsaturated polyester resins, where at least one of the filler materials in the moulding compounds has a particle diameter greater than the width of flash channel of the mould used in order to enable moulded articles of improved surface finish to be produced.

REFERENCES:
patent: 3431331 (1969-03-01), Pincus et al.
patent: 3551378 (1970-12-01), Rabenold et al.
patent: 3652489 (1972-03-01), Crowe et al.
patent: 3701748 (1972-10-01), Kroekel
patent: 3721642 (1973-03-01), Schalin et al.

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