Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1995-09-01
1996-04-09
Acquah, Samuel A.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
528272, 528298, 528300, 528302, 528307, 528308, 5283086, 428 341, 428 352, 428 98, B32B 108, C08G 6316
Patent
active
055060145
ABSTRACT:
Disclosed are terpolymers having improved barrier properties and tensile strength relative to PET comprising copolyesters derived from acid components comprising about 45 to about 85 mol % terephthalic acid; about 10 to about 40 mol % of at least one naphthalenedicarboxylic acid and about 5 to about 15 mol % of at least one aliphatic dicarboxylic acid having 1 to 6 carbon atoms and glycol component comprising ethylene glycol. The copolyesters of the present invention may be formed into a variety of articles such as blood tubes, serum vials, containers, films and sheeting.
REFERENCES:
patent: 4401805 (1983-08-01), Weemes et al.
patent: 5302686 (1994-04-01), Tanaka et al.
patent: 5403897 (1995-04-01), Ebato et al.
patent: 5439987 (1995-08-01), Scott et al.
Research Disclosure No. 36009, "Fabrication of Blood Tubes With Improved Shelf-life From Selected Polyesters, Copolyesters, and Polyester Blends by Injection Molding", Apr., 1994.
Research Disclosure No. 36903, "Fabrication of Blood Tubes with Improved Shelf-life from Selected Copolyesters and Terepolyesters by Injection Molding", Jan., 1995.
Research Disclosure No. 29484, "Poly(Ethylene 2,6-Naphthalene dicarboxylate) Copolyesters", Oct., 1988.
Acquah Samuel A.
Eastman Chemical Company
Gwinnell Harry J.
Harding Karen A.
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