Silicone Release Compositions with Controlled Peeling Force and Silicone Release Coating Films Coated with the Same
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United States of America Patent
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Issued Date -
Dec 18, 2008
app pub date -
Nov 20, 2006
filing date -
Dec 7, 2005
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Abandoned
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Abstract
The invention pertains to a silicone release composition of which the peeling force can be controlled and also a silicone release film coated with the composition. With the inventive composition and the release film coated with the composition, it is possible to obtain a reproducible peeling force with a given value, and also possible to produce a uniformly coated release film without discharged harmful solvent. The silicone release film produced as such can have controlled peeling force with a stable peeling force characteristic compatible with viscous agent. To this end, the invention is characterized in that the silicone release composition of which the peeling force can be controlled according to the invention is a silicone water-dispersed release coating composition, contains organopolysiloxane, organopolysiloxane resin, organo hydrogen polysiloxane and platinum chelate catalyst, and meets the following math figure for peeling force: Peeling Force=a X+b, where a=61.62.+-.3.98, and b=16.43.+-.3.01, X=the content(%) of organopolysiloxane resin in the release coating composition.
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