Patent ID: 6835328
Filing Date: 2004-12-28
Classification: C08K,C08L,C09K

Abstract:
A liquid microemulsion useful as a thermal stabilizer for polyvinyl chloride resin and which exhibits a reduced amount of volatile components when heated comprising:a) an overbased metal carbonate/carboxylate obtained from the reaction of an oxide and/or hydroxide of a metal selected from the group consisting of sodium, potassium, calcium, magnesium, zinc and mixtures thereof and an aliphatic acid in which the aliphatic moiety contains up to about 30 carbon atoms and carbon dioxide in an oil; b) one or more non-phenolic compounds having about two or about three hydroxyl groups; arid, c) one or more polyols, or ethoxylates and/or propoxylates of an alcohol having from about 6 to about 24 carbon atoms.