C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/4514, 400/57
C08K 5/10 (2006.01) C08K 5/103 (2006.01) C08L 67/02 (2006.01)
Patent
CA 1335130
The present invention is a composition comprising a linear saturated polyester and from 0.5 to 30 percent by weight of the polyester of at least one ester of an ethoxylated polyfunctional alcohol having a molecular weight of from 500 to about 1,500. The ester is of an ethoxylated aromatic alcohol and a carboxylic acid wherein the ethoxylated aromatic alcohol has the formula HO (R O)n - R1 - (OR)n - OH wherein, R is the same or different hydrocarbon radical of from 2 to 4 carbon atoms, n can be the same or a different integer of from 2 to 15; and R1 is an aromatic radical preferably derived from an aromatic dialcohol, most preferably bisphenol A. The ethoxylated aromatic alcohol has greater than 20 carbon atoms. The acid is a carboxylic acid of from 1 to 25 and preferably 3 to 10 carbon atoms, and from 1 to 10 carboxyl groups. Pre- ferahly the acid has from 3 to 10 carbon atoms and one carboxyl group. The composition of the present invention is particularly useful to make injection molded articles, with the ester acting as a plasticizing agent.
549735
Haylock John Christopher
Tuller Harold Willis
Vanderkooi Nicholas Jr.
Basf Aktiengesellschaft
Gowling Lafleur Henderson Llp
LandOfFree
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