Stabilization of mixtures of mercaptoalkylnitriles and thiodialk

Details Stabilization of mixtures of mercaptoalkylnitriles and thiodialk Stabilization of mixtures of mercaptoalkylnitriles and thiodialk

1975-10-16

1976-10-12

Padgett, Benjamin R.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252400A, 260 457P, 260 76, C09K 1532, C08K 536

Patent

active

039856739

ABSTRACT:
Mixtures of mercaptoalkylnitriles and the corresponding thiodialkylnitriles are stabilized by incorporating therein a stabilizing amount of an organic phosphite of the formula ##SPC1##
Wherein R' is hydrogen or alkyl having from 1 to 20 carbon atoms and m is an integer having a value of 1 or 2. The above mixture is hydrolyzed to the corresponding carboxylic acids for use in preparing poly(oxyalkylene)-polyester-poly(monosulfide)-polythiol polymers.

REFERENCES:
patent: 2419354 (1947-04-01), Howland et al.
patent: 2733226 (1956-01-01), Hunter
patent: 3255151 (1966-06-01), Hecker et al.
patent: 3817936 (1974-06-01), Jones et al.
patent: 3888817 (1975-06-01), Georgoudis

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