Esterification of carboxyl end groups employing addition of...

D - Textiles – Paper – 01 – F

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D01F 6/92 (2006.01) C08G 63/42 (2006.01)

Patent

CA 1128266

FII-2829 ABSTRACT OF THE DISCLOSURE A method of reducing the number of free carboxyl end groups present in a fiber-forming polymer is given whereby to the polymer minor amounts of a low-boiling oxirane compound such as ethylene oxide are added.

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