C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
273/178, 400/205
C08G 77/42 (2006.01) C08F 8/44 (2006.01)
Patent
CA 1213389
TITLE ISOMERS HAVING IMPROVED LOW TEMPERATURE PROPERTIES ABSTRACT OF THE DISCLOSURE Ionomers of ethylene, unsaturated carboxylic acid and softening comonomer, e.g. alkyl acrylate and/or alkyl vinyl ether having improved low temperature properties are obtained by direct or graft copolymerization at a temperature of from about 100 to about 200°C, followed by neutralization of the carboxylic acid groups with metal ions, such ionomers being characterized by a low level of chain branching of up to about 2.8 chain branches/1000 backbone methylene units.
444033
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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