Polyester composition, process for preparing same, and film form

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

1993-05-05

1994-07-12

Acquah, Samuel A.

Stock material or miscellaneous articles

Composite

Of polyester

528272, 528275, 528285, 528302, 528308, 5283086, 525437, 525445, 524174, 524401, 524408, 524414, 524502, 524505, 428327, 2642107, B32B 2736

Patent

active

053287703

ABSTRACT:
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.

REFERENCES:
patent: 5084340 (1992-01-01), Light
patent: 5126195 (1992-06-01), Light

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