Polyester block copolymer composition and process for the...

Details Polyester block copolymer composition and process for the... Polyester block copolymer composition and process for the...

2007-03-27

2007-03-27

Sellers, Robert (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S189000, C524S604000, C524S605000, C525S437000, C525S438000, C525S450000

Reexamination Certificate

active

10426771

ABSTRACT:
The invention provides a polyester block copolymer composition (R) obtained by thermally-processing a polyester block copolymer composition (Q) obtained by melt-mixing 100 parts by weight of a polyester block copolymer (P) with 0.1–5 parts by weight of an epoxy compound (C) having one or more epoxy groups under an inert gas atmosphere and not less than 102° C. in a solid phase, and further, at a temperature lower than a melting point of the polyester block copolymer composition (R) obtained.

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