Process for controlling molecular weight distribution of...

Details Process for controlling molecular weight distribution of... Process for controlling molecular weight distribution of...

C - Chemistry, Metallurgy

08

F

400/9043

C08F 2/22 (2006.01)

Patent

CA 1083743

PROCESS FOR CONTROLLING MOLECULAR WEIGHT DISTRIBUTION OF LATEX POLYMERS ABSTRACT OF THE INVENTION Particle morphology and molecular weight dis- tribution of latex polymers is controlled by a process wherein a primary polymerizable feed composition, (a) a crosslinker and (b) a chain transfer agent during at least a portion of the period of addition of said composition to the polymerization zone, is fed into a polymerization zone while simultaneously feeding a secondary polymerizable feed composition containing chain transfer agent to the primary polymerizable feed composition and thus continually varying the composition- al content of the primary polymerizable feed composition. S P E C I F I C A T I O N 1.

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