Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – With mold element formation or removal
Patent
1980-07-18
1981-11-17
Jacobs, Lewis T.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
With mold element formation or removal
264171, 264338, 428170, 428387, 428389, B29D 700
Patent
active
043011039
ABSTRACT:
A composition for application to a carrier cloth to enable ready release of a plastisol film formed on the carrier cloth and for delustering the release surface of the film and process for manufacturing a plastisol film using such composition. The composition comprises a mixture of a silicone polyester resin, a fluorotelemer for delustering the release surface and permitting ready release of the film from the cloth, a curing agent for the resin, a catalyst solution to initiate reaction between the resin and the curing agent upon application of appropriate heat, an inert flatting agent for reducing the gloss of the plastisol release surface, an anti-settling agent having a thixotrop in solution to prevent settling of the flatting agent prior to curing of the resin and to prevent foaming of the composition when applied to the carrier cloth, and an aromatic solvent to maintain the mixture in solution prior to application of the heat and to permit ready application of the composition to the cloth. A process for treating a carrier cloth with such a composition and for producing plastisol films therewith is also disclosed.
REFERENCES:
patent: 2559649 (1951-07-01), Little et al.
patent: 4024100 (1977-05-01), Kuhn et al.
Brunswick Corporation
Jacobs Lewis T.
Porter George J.
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