Process for preparing an elastomeric copolymer block

Details Process for preparing an elastomeric copolymer block Process for preparing an elastomeric copolymer block

C - Chemistry, Metallurgy

08

F

400/2045

C08F 297/04 (2006.01) C08G 81/02 (2006.01)

Patent

CA 1041692

ABSTRACT OF THE DISCLOSURE Fully esterified carboxylic acids, such as the lower alkanol derivatives of benzoic and pivalic acid, are used as linking agents in a polar solvent medium to link together polymer blocks in forming an elastomeric copolymer block A-B-A, such as styrene-1,3-butadiene-styrene. The ester linking agent is very effective even in polar solvent media such as are used to form the A and/or B polymer blocks. - 2 -

171698

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