Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Polymer derived only from ethylenically unsaturated monomer
Patent
1998-12-21
2000-09-19
Chen, Vivian
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Polymer derived only from ethylenically unsaturated monomer
428 401, 428 418, 428352, 428353, 428336, 428447, 428480, 428483, 428910, 525446, 525449, B32B 2708, B32B 2718, B32B 2720, B32B 2736
Patent
active
06120868&
ABSTRACT:
The present invention relates to a self-supporting polymer film with a silicone-containing coating layer on the front surface that is capable of releasing free silicone oil and a slip control coating on the back surface, where the slip control coating has an exposed surface adapted to contact the free silicone oil. The slip control coating comprises a binder, preferably a water-soluble copolyester comprising about 50 to about 98 mol percent isophthalic acid, about 2 to about 20 mol percent of at least one sulfomonomer containing a sulfonate group attached to a dicarboxylic nucleus, and about 100 mol percent of at least one copolymerizable glycol having from about 2 to about 11 carbon atoms; and also includes a coupler, preferably a silane. A method for controlling the slip of silicone coated film by coating the back side of the film with this slip control coating is also disclosed.
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Product Bulleting, Hostaphan.RTM. Polyester Film 3SAB and 3SAC, dated Oct. 1996.
Heberger John M.
Muschelewicz Kenneth J.
Chen Vivian
Mitsubishi Polyester Film LLC
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