Silicone release coated substrate

Stock material or miscellaneous articles – Composite – Of quartz or glass

Patent

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Details

428450, 428451, 428452, 428480, B32B 900, B32B 1706

Patent

active

052292126

ABSTRACT:
A silicone release coating emulsion includes a reactive crosslinkable silicone, a catalyst and a high molecular weight, water soluble or water dispersible polymeric thickening agent such as polyethylene oxide. The polymeric thickening agent has a molecular weight greater than about 100,000 g/mole Mw. The silicone release emulsion is applied as a coating to a substrate, and particularly paper, and cured to form a release coating for pressure sensitive adhesives. The silicone emulsion exhibits improved holdout of the silicone from the substrate.

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Textbook of Polymer Science, 3rd Ed., 1984, pp. 392-393.

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