Polyacetal and polyketal compositions

Details Polyacetal and polyketal compositions Polyacetal and polyketal compositions

1974-12-06

1976-12-14

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 308R, 260481R, 260761, C07C14914

Patent

active

039976130

ABSTRACT:
Water-insoluble compositions having substantial antioxidant activity which may be used as plasticizers are produced by liquid phase reaction of (a) dimercaptans or mercapto alcohols or combination of these with diols or polyols, (b) aldehydes and/or ketones, and (c) monomercaptans and/or mono-alcohols in the presence of an acid catalyst.

REFERENCES:
patent: 2668862 (1954-02-01), Price
patent: 2905720 (1959-09-01), Benneville et al.
patent: 2905721 (1959-09-01), Benneville et al.
patent: 3003853 (1961-10-01), Wilgus et al.
patent: 3290382 (1966-12-01), Hubscher
patent: 3446775 (1969-05-01), Bertozzi
patent: 3503930 (1970-03-01), Morris et al.
patent: 3635736 (1972-01-01), Oftedahl
Lienhard et al., J. Am. Chem. Soc. 88 pp. 3982-3995 (1966).
Walker; "Formaldehyde" (1963) pp. 279-280.

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