Process for removing residual mercaptan from high nitrile polyme

Details Process for removing residual mercaptan from high nitrile polyme Process for removing residual mercaptan from high nitrile polyme

1974-09-20

1976-09-14

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260879, 260880R, 526 23, 526 26, 528489, C08F22044

Patent

active

039806006

ABSTRACT:
This invention relates to a process for removing residual mercaptan from latices of high nitrile polymers which contain some unreacted nitrile monomer, by adjusting the pH of the latex to preferably from about 9 to 10.5 with an aqueous solution of hydroxide ions.

REFERENCES:
patent: 2605256 (1952-07-01), Conard
patent: 2621170 (1952-12-01), Banes
patent: 2787561 (1957-04-01), Sanders
patent: 2787603 (1957-04-01), Sanders
patent: 3127233 (1964-03-01), Lowes
patent: 3306955 (1967-02-01), Lowes
patent: 3756976 (1973-09-01), Uraneck
patent: 3817888 (1974-06-01), Johnson

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