Polyester composition, process for preparing same, and film...

Details Polyester composition, process for preparing same, and film... Polyester composition, process for preparing same, and film...

C - Chemistry, Metallurgy

08

L

C08L 67/00 (2006.01) B32B 27/36 (2006.01) C08J 5/18 (2006.01) C08L 67/02 (2006.01) G11B 5/73 (2006.01)

Patent

CA 2074656

Abstract of the Disclosure According to the present invention there is provided a polyester composition comprising an aromatic polyester having copolymerized therein a compound containing at least one sulfonic acid group or sulfonic acid metal salt group, and crosslinked polymer particles, preferably crosslinked polymer particles coated with a water-soluble polymer. The particles are incorporated in a slurried state into the polymer. There is also provided a laminate film containing the polymer with the particles thus incorporated therein. The polyester composition is superior in uniform dispersibility of the particles, re-agglomeratin does not occur in melt-storage for a long time, and films formed using the polyester composition are superior in traveling performance and abrasion resistance.

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