Process for preparing granular chloroprene polymer rubber

Details Process for preparing granular chloroprene polymer rubber Process for preparing granular chloroprene polymer rubber

1975-10-15

1976-07-13

Hamrock, William F.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260821, 526 29, 526295, 528488, C08C 114, C08C 116

Patent

active

039693341

ABSTRACT:
This invention relates to a novel process of preparing chloroprene polymer rubber granules. The process comprises adding 4 to 10 wt. parts of sodium silicate to 100 wt. parts of a cationic latex of chloroprene polymer and then adding an alkaline earth metal salt or an acid to precipitate granules of the chloroprene polymer rubber.

REFERENCES:
patent: 2702798 (1955-02-01), Burleigh et al.
patent: 2948701 (1960-09-01), Baker et al.

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