Polymers for release films on surfaces containing pressure-sensi

Details Polymers for release films on surfaces containing pressure-sensi Polymers for release films on surfaces containing pressure-sensi

1995-05-24

1998-12-29

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525101, 5253288, 5253297, 5253303, 525342, C08F 800, C08L 4300

Patent

active

058543562

ABSTRACT:
The invention relates to a polymer for release films of surfaces containing pressure-sensitive adhesives. The polymer includes a reactive polyolefin and a reactive release substance, which are chemically bonded together as a result of being compounded in a molten state. The invention also relates to a release film for surfaces containing pressure-sensitive adhesives.

REFERENCES:
patent: 3277036 (1966-10-01), Whitworth, Jr.
patent: 3563953 (1971-02-01), Lehmann
patent: 3914208 (1975-10-01), Carlos
patent: 4151319 (1979-04-01), Sackoff
patent: 4608306 (1986-08-01), Vincent
patent: 4851463 (1989-07-01), Opsahl
patent: 4960810 (1990-10-01), Foster
patent: 4983675 (1991-01-01), Ishino
patent: 5089564 (1992-02-01), Bullen
patent: 5169900 (1992-12-01), Gudelis

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