Fiber mat curing

Details Fiber mat curing Fiber mat curing

1973-07-18

1976-07-13

Lieberman, Allan

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

260 172, 260 173, 264128, B29J 502, B29J 508

Patent

active

039694607

ABSTRACT:
This invention relates to an improvement in consolidating and curing a binder-impregnated fibrous mat to form a consolidated fibersheet or fiberboard comprising hot pressing the mat at a temperature and for a time sufficient to initiate but not to complete cure of the binder, followed by immediately subjecting the mat to post curing at a temperature up to about 350.degree.F. for a time sufficient to complete binder cure and mat consolidation.

REFERENCES:
patent: 3267188 (1966-08-01), Bassett et al.
patent: 3493527 (1970-02-01), Schueler

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