Elimination of pinking in vinyl asbestos formulations

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 23EP, 260 306R, 260 316, 260 318R, 260 318W, 260 4244, 260 458NT, 260 4585R, 26099815, C08K 334, C08K 509, C08K 534

Patent

active

039310760

ABSTRACT:
Improved vinyl asbestos compositions comprising a vinyl chloride resin, plasticizer stabilizer, a hydrocarbon resin, asbestos, fillers, pigments and colorants and heat stabilizers wherein the improvement comprises the inclusion of a stabilizing amount of an anti-pinking additive selected from the group consisting of mono- and dicarboxylic acids having from 5 to 18 carbon atoms. In a preferred embodiment there is described an improved vinyl asbestos tile formula wherein the anti-pinking additive found most effective comprises neodecanoic acid and diethanolamine neodecanoate.

REFERENCES:
patent: 2837490 (1958-06-01), Hecker
patent: 3180848 (1965-04-01), Thompson
patent: 3287300 (1966-11-01), Oosterhof et al.
patent: 3288737 (1966-11-01), Arakawa et al.
patent: 3314906 (1967-04-01), Bagley et al.
patent: 3541047 (1970-11-01), Boyer et al.
patent: 3730943 (1973-05-01), Weisfeld et al.
Enjay Technical Bulletin No. D-27, Neo Acids, 1963.

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