Process for the decoloration of resinous polymers of the vinyl a

Details Process for the decoloration of resinous polymers of the vinyl a Process for the decoloration of resinous polymers of the vinyl a

1996-10-16

2000-04-11

Teskin, Fred

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

Synthetic resins

Treating polymer containing material or treating a solid...

526173, 526340, C08F 606, C08F23610

Patent

active

060489618

ABSTRACT:
A process for eliminating color from vinyl aromatic/conjugated diene copolymers which process comprises treating the copolymers with a monocarboxylic acid having the general formula R--COOH, where R is a hydrocarbon radical comprising 2 to 4 carbon atoms and R further comprises linear or branched aliphatic radicals, cycloaliphatic radicals, alkenic radicals, aromatic radicals or alkylaromatic radicals.

REFERENCES:
patent: 2864809 (1958-12-01), Jones et al.
patent: 2893982 (1959-07-01), Campbell
Encylopedia of Polymer Sciene and Engineering, vol. 6 entitled "Emulsion Polymerizing to Fibers, Manufacture", pp. 1-6.
Encylopedia of Polymer Sciene and Engineering, vol. 2 entitled "Anionic Polymerizing to Cationic Polymerizing", pp. 1-3.

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