Polyester compositions with carbonyl-containing compounds

Details Polyester compositions with carbonyl-containing compounds Polyester compositions with carbonyl-containing compounds

1974-05-23

1976-09-14

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260836, 260861, 526 14, 526 55, 526 57, 526208, 526227, 526271, 526292, 526321, C08L 6302, C08F21810

Patent

active

039807312

ABSTRACT:
Unsaturated polyester compositions which can be readily cured without the formation of gas are disclosed. The compositions contain a carbonyl-containing compound of the formula ##EQU1## wherein R.sup.1 is hydrogen, branched or unbranched alkyl, cycloalkyl, hydroxycarboalkylene, hydroxycarbocycloalkylene or hydroxycarboalkenylene, or substituted or unsubstituted aryl, aralkyl or hydroxycarboarylene; R.sup.2 is hydrogen, hydroxyl, hydroxyperoxy, alkyloxy or aryloxy, or R.sup.1 and R.sup.2 can be combined to form a substituted or unsubstituted alkylenecarboxy, alkenylenecarboxy or arylenecarboxy group. Examples are maleic acid anhydride, tetrahydrophthalic acid anhydride, formic acid and n-butyraldehyde. The carbonyl-containing compound is preferably added in an amount of 0.01 to 10% by weight, calculated on the unsaturated polyester.

REFERENCES:
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patent: 3832268 (1974-08-01), Smith
patent: 3847771 (1974-11-01), McGinniss
patent: 3856643 (1974-12-01), Nakamoto

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