Polymerization process for producing polychloroprene particles

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526229, 526234, 526295, 526909, 526915, C08F 200, C08F 400, C08F 3400, C08F13400

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active

040355640

ABSTRACT:
There is disclosed a polymerization process for the preparation of large chloroprene polymer particles having an average diameter in the range of from 0.15 to 2.0 microns. The process utilizes a polymerization medium and catalyst system that produces a substantially monodisperse particle size distribution of polychloroprene rubber particles in an aqueous dispersion, said particles having great utility as a rubber phase in thermoplastic polyblends.

REFERENCES:
patent: 2383055 (1945-08-01), Fryling
patent: 2546244 (1951-03-01), Tucker
patent: 2739136 (1956-03-01), Kharasch et al.
patent: 3523111 (1970-08-01), Bibeau et al.
patent: 3740368 (1973-06-01), Sturt et al.

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