Method of preparing a resinous dispersion for the...

C - Chemistry – Metallurgy – 08 – F

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400/1115, 400/64

C08F 8/00 (2006.01) C08L 21/00 (2006.01)

Patent

CA 1255045

A METHOD OF PREPARING A RESINOUS DISPERSION FOR THE TACKIFICATION OF ELASTOMERIC LATICES A B S T R A C T There is provided a tackifier composition especially suited for use with natural rubber latex and formed from an olefin resin, preferably a polymerized terpene hydrocarbon resin condensed with an unsaturated carboxylic acid or anhydride, optionally partially esterified with a C1-C30 alcohol or phenol, and neutralized with a base, preferably a volatile base such as an amine, and then dispersed in an aqueous medium. The tackifier when added to a latex forms compositions useful particularly as pressure sensitive adhesives.

454621

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