Eastman Chemical Company

Douglas Stephens McWilliams

Emmett Dudley Crawford

Gary Wayne Connell

David Scott Porter

Thomas Joseph Pecorini

Max Allen Weaver

Gether Irick, Jr

Jason Clay Pearson

Marcus David Shelby

Mark Elliott Tincher

Michael Eugene Donelson

Ted Germroth

Damon Bryan Shackelford

James W Mercer, Jr

Benjamin Fredrick Barton

Harold Eugene Dobbs

Scott Arnold Hanson

Emily Tedrow Bell

Wesley Raymond Hale

Spencer Allen Gilliam

Candace Michele Tanner

Valerie Sue Adams

William Carl Jackson

Ted Calvin Germroth

Gether Irick

Daman Bryan Shackelford

A molded article comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: i) 95 to 99.99 mole % of terephthalic acid residues; and ii) 0.01 to 5 mole % of isophthalic acid; and (b) a glycol component comprising: i) 5 to 15 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; ii) 85 to 95 mole % of 1,4-cyclohexanedimethanol residues; and iii) 5 mole % or less of modifying glycols which are not 2,2,4,4-tetramethyl-1,3-cyclobutanediol or cyclohexanedimethanol, wherein the polyester has an inherent viscosity from 0.80 to 1.0 dL/g and a glass transition temperature (Tg) of 90 to 110&#xb0; C., and wherein the molded article does not contain polycarbonate.

Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom

Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues, 2,2,4,4-tetramethyl-l,3-cyclobutanediol, and 1,4-cyclohexanedimethanol, wherein the inherent viscosity of said polyester is from 0.55 to 0.68 dL/g as determined in 60/40(wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25&#xb0; C.; wherein said polyester has a Tg from 110 to 160&#xb0; C.; wherein the polyester composition comprises no polycarbonate; wherein the melt viscosity of the polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290&#xb0; C.; and wherein the polyester has a notched Izod impact strength, of at least 7.5 ft-lb/in.ch at 23&#xb0; C. according to ASTM D256 with a 10-mil notch in a &#x215b; inch thick bar. The polyesters may be manufactured into articles of manufacture as fibers, films, bottles or sheets.

Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom

Described as one aspect of the invention are polyester compositions containing:

Polyester compositions which comprise cyclobutanediol and certain phosphate thermal stabilizers, and/or reaction products thereof

Described are restaurant smallware, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.55 to 0.0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25&#xb0; C., glass transition temperature Tg of 110&#xb0; C. to 160&#xb0; C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23&#xb0; C. according to ASTM D256 with a 10-mil notch in a &#x215b;-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290&#xb0; C. and does not contain polycarbonate.

Restaurant smallware comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol

Described are film or sheet, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25&#xb0; C., glass transition temperature Tg of 110&#xb0; C. to 160&#xb0; C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23&#xb0; C. according to ASTM D256 with a 10-mil notch in a &#x215b;-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290&#xb0; C. and does not contain polycarbonate.

Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature

Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues in the amount from 80 to 100 mole %, 2,2,4,4-tetramethyl-1,3- cyclobutanediol in the preferable amount from 30 to 40 mole % and 1,4-cyclohexanedimethanol in the preferable amount from 60 to 70 mole % , wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mote %; and the inherent viscosity of polyester is from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachtoroethane at a concentration of 0.5 g/100 ml at 25&#xb0; C., polyester has a Tg from 110 to 160&#xb0; C. and polyester composition comprises no polycarbonate. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.

Disclosed are polymer blends comprising a mixture of The polymer blends exhibit improved color, especially when used as a component of a polyester/polycarbonate blend.

Polymer blends

Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.

Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and high glass transition temperature

Described are film(s) and/or sheet(s) made using polyester compositions comprising polyesters comprising (a) a dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues, and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 1,4-cyclohexanedimethanol residues.

Film(s) and/or sheet(s) made using polyester compositions containing low amounts of cyclobutanediol

Described as one aspect of the invention are polyesters containing (a) a dicarboxylic acid component having from 70 to 100 mole % of terephthalic acid residues and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component having from 11 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 75 to 89 mole % of 1,4-cyclohexanedimethanol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %. The polyesters may be manufactured into articles.

Polyester compositions containing low amounts of cyclobutanediol and articles made therefrom

Described are graphic art films comprising a polyester compositions comprising at least one polyester, comprising dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues and a glycol component comprising: 20 to 30 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and 70 to 80 mole % of 1,4-cyclohexanedimethanol residues, wherein the total mole % of the dicarboxylic acid component is 100 mole %, the total mole % of the glycol component is 100 mole %, and polyester has following properties: the inherent viscosity of the polyester is from 0.60 to 0.75 dL/g; Tg of from 100 to 130&#xb0; C.; notched Izod impact strength of at least 7.5 ft-b/inch at 23&#xb0; C. according to ASTM D256; the melt viscosity of the polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290&#xb0; C.; and the polyester composition contains no polycarbonate.

Graphic art films comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol

Described are skylights comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.

Skylights and windows comprising polyester compositions formed from 2,2,4,4,-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol

Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.

Described are thermoformed films or sheets comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylicacidcomponent having terephthalic acid or an ester thereof; optionally, an aromatic dicarboxylic acid or aliphatic dicarboxylic acid or esters thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol; and 1,4-cyclohexanedimethanol.

Thermoformed sheet(s) comprising polyester compositions which comprise cyclobutanediol

Described are restaurant smallware comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.

Growing community of inventors

Kingsport, TN, United States of America

Douglas Stephens McWilliams