Polysiloxane-grafted copolymer release coating sheets and adhesive tapes
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United States of America Patent
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Mar 1, 1988
Grant Date -
N/A
app pub date -
Jul 19, 1985
filing date -
Jul 19, 1985
priority date (Note) -
Expired
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Abstract
Release coating compositions comprising polysiloxane-grafted copolymer and blends thereof with other polymeric materials on sheet materials and the back side of adhesive tapes are provided. Controlled and predictable release is achieved through variation of the number and the length, e.g., the molecular weight, of polysiloxane grafts in the copolymer.
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