Pressure sensitive adhesive composition and production thereof

C - Chemistry – Metallurgy – 09 – F

Patent

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260/122, 6/170,

C09F 1/04 (2006.01) C08K 5/09 (2006.01) C09J 121/00 (2006.01)

Patent

CA 1285276

PRESSURE SENSITIVE ADHESIVE COMPOSITION AND PRODUCTION THEREOF Abstract of Disclosure A tackifier for pressure sensitive adhesives that is a complex of calcium or magnesium resinate with up to 6 mole- cules of a resin acid for each molecule of the resinate, dis- solved in an excess of free rosin acid, and is essentially insoluble in the styrene blocks of styrene/butadiene and styrene/butadiene/styrene rubbers, as well as a process for making the said tackifier and its use, are disclosed.

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