Poly(ethylene 2,6-naphthalene dicarboxylate)/aromatic ketone com

Details Poly(ethylene 2,6-naphthalene dicarboxylate)/aromatic ketone com Poly(ethylene 2,6-naphthalene dicarboxylate)/aromatic ketone com

1993-08-09

1994-05-10

Acquah, Samuel A.

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

Synthetic resins

From ketone or ketene reactant

528272, 528298, 528302, 528308, 25230135, C08G 1400

Patent

active

053108574

ABSTRACT:
This invention relates to a poly(ethylene 2,6-naphthalene dicarboxylate) composition having reduced fluorescence. More specifically, the composition contains poly(ethylene 2,6-naphthalene dicarboxylate) with 0.1 to 5 mole percent of a copolymerizable aromatic ketone. The polyesters are useful for packaging applications where clarity and/or aesthetic appeal are of concern.

REFERENCES:
patent: 3994987 (1976-11-01), Cowell et al.
patent: 4012360 (1977-03-01), Schwarzenbach et al.
Chen Shangxian et al., "Fluorescence Spectra of Poly(Ethylene-2,6-Napththalene Dicarboxylate)", Scientia Sinica, vol. XXIV, No. 5, May 1981.
CAO Ti et al., "Intermolecular Excimer Interaction in Poly(Polytetramethylene Ether Glycol Aryl Dicarboxylate", Acta Chimica Sinica, vol. 42, No. 1, 1984.

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