Process for controlling molecular weight distribution of latex p

Details Process for controlling molecular weight distribution of latex p Process for controlling molecular weight distribution of latex p

1975-10-22

1977-08-02

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296TA, 260 297R, 260 297T, 260 297SQ, 526 80, 526 87, C08L 2514

Patent

active

040395006

ABSTRACT:
Particle morphology and molecular weight distribution 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 compositional content of the primary polymerizable feed composition.

REFERENCES:
patent: 3562235 (1971-02-01), Ryan
patent: 3562240 (1971-02-01), Miletto et al.
patent: 3804881 (1974-04-01), Bassett

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