Process of producing an oriented silicone resin coated polymeric

Details Process of producing an oriented silicone resin coated polymeric Process of producing an oriented silicone resin coated polymeric

1990-05-29

1991-11-12

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 451, 264 461, 264134, 264171, 264211, 2642884, 427172, 427387, B29C 4132, B29C 5504

Patent

active

050645790

ABSTRACT:
This invention concerns the production of oriented polymeric films in which a layer of an ambient temperature curable silicone resin composition is formed on a layer of a polymeric film which is thereafter stretched at an elevated temperature to effect orientation of the film. The silicone resin composition includes a volatile inhibitor for inhibiting curing of the composition while stretching is effected. Suitable inhibitors include alkanols when the silicone resin has hydroxyl functionality. Films so produced can be used as release films.

REFERENCES:
patent: 4262107 (1981-04-01), Eckberg
patent: 4386135 (1983-05-01), Campbell et al.
patent: 4476166 (1984-10-01), Eckberg
patent: 4772515 (1988-09-01), Hara et al.
patent: 4851166 (1989-07-01), Kendall

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