General purpose siloxane release coatings

Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Halogen containing compound

Patent

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Details

428181, 428189, 428194, 428195, 428202, 428352, B32B 706, B32B 712, B32B 714, C09J 702

Patent

active

052291790

ABSTRACT:
Iniferter prepared release coating compositions comprising vinyl-siloxane block copolymer and blends thereof with other polymeric materials on sheet materials and the backside of adhesive tapes are provided. Controlled and predictable release is obtained through variation of the molecular weight and weight percent of the siloxane block as well as the molecular weight and composition of the vinyl block or blocks.

REFERENCES:
patent: 5071936 (1991-12-01), Himori
patent: 5089336 (1992-02-01), Kumor

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