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US 6,649,585 B1Granted
Processes for preparing superbasic zinc soaps and methods of using said soaps
AssigneeCognis Deutschland GmbH & Co. KG
InventorsPeter Daute, Joerg-Dieter Klamann, Peter Wedl, Ralf Picard
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Abstract
Processes for preparing superbasic zinc soaps are disclosed. The processes described comprise: (a) providing a basic zinc carbonate; (b) providing at least one organic carboxylic acid; and (c) reacting the basic zinc carbonate and the at least one organic carboxylic acid at a temperature of from about 100° C. to about 200° C. The use of such soaps for stabilizing halogen-containing plastic compositions is also described.
Claims22
A process for preparing a superbasic zinc soap, said process comprising:
- (a) providing a basic zinc carbonate;
- (b) providing at least one organic carboxylic acid;
- and
- (c) reacting the basic zinc carbonate and the at least one organic carboxylic acid at a temperature of from about 100° C. to about 200° C., to form a superbasic zinc soap.
1 more element
A process for preparing a superbasic zinc soap, said process comprising:
- (a) providing a basic zinc carbonate;
- (b) providing a mixture of two or more organic carboxylic acids, wherein the mixture comprises a linear carboxylic acid component in an amount of at least 90% by weight, based on the weight of the mixture, and wherein at least 60% by weight of the linear carboxylic acid component is saturated;
- and
- (c) reacting the basic zinc carbonate and the mixture, at an OH:COOH equivalent ratio of from 0.5:1 to 2:1, and at a temperature of from about 130°C. to about 150°C., to form a superbasic zinc soap.
1 more element
Dependencies are inferred from the claim text.