C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5714, 400/76
C08L 67/02 (2006.01) C08K 5/09 (2006.01) C08L 33/02 (2006.01)
Patent
CA 1185722
ABSTRACT This invention is a composition comprising a linear, saturated polyester, such as poly(ethylene terephthalate), containing between about 4% and about 10% by weight of the poly(ethylene terephthalate) of a hydrocarbon carboxylic acid and/or an organic polymer containing pendant acid carboxyl groups, where the acid groups are neutralized by a first cation selected from Group IA of the Periodic Table of Elements and a second cation selected from Groups IIIA, IIIB and IVB. The first cation is present in an amount less than 50% of the total metal ions and neutralizes not more than 20% of the hydrocarbon acid groups or carboxylic acid groups of the organic polymer. The second cation neutralizes up to 100% of the remaining hydrocarbon acid or carboxyl acid groups. Preferably, the first cation is sodium and the second cation is aluminum. The composition can con- tain up to about 150% filler, a suitable plasticizer.
401989
Allied Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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