Thermoplastic articles comprising cyclobutanediol having a decorative material embedded therein
AssigneeEastman Chemical Company
InventorsEmmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
Life of this patent
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Abstract
This invention relates to thermoplastic article having one or more decorative materials embedded therein which is obtained by applying heat and pressure to one or more laminates wherein at least one of said laminates comprises, in order, (1) an upper sheet material; (2) one or more decorative materials; and (3) a lower sheet material; wherein the upper and lower sheet materials are formed from a polyester/aromatic polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol.
Claims63
A thermoplastic article produced by a polyester-containing composition, comprising:
- (1) 1 to 100 weight % of a polyester comprising
- (a) a dicarboxylic acid component comprising:
- i) from about 70 to 100 mole % of terephthalic acid residues;
- ii) 0 to about 30 mole % of an aromatic dicarboxylic acid residues having up to 20 carbon atoms;
- and
- iii) 0 to about 10 mole % of an aliphatic dicarboxylic acid residues having up to 16 carbon atoms;
- and
- (b) a glycol component comprising:
- i) 15 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues;
- and
- ii) 75 to 85 mole % of 1,4-cyclohexanedimethanol residues, and
- iii) 0 to 10 mole % ethylene glycol residues;
- wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %;
- and
- wherein the inherent viscosity of the polyester is from about 0.50 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.;
- and wherein the polyester has a Tg of from about 85 to 120° C.;
- and
- (2) 99 to 0 weight % of an aromatic polycarbonate;
- wherein the total combined weight percentage of polyester and polycarbonate in the polyester/polycarbonate blend equals 100 weight %.
A thermoplastic article produced by a polyester-containing composition, consisting essentially of:
- (1) 1 to 100 weight % of a polyester comprising
- (a) a dicarboxylic acid component comprising:
- i) from about 70 to 100 mole % of terephthalic acid residues;
- ii) 0 to about 30 mole % of an aromatic dicarboxylic acid residues having up to 20 carbon atoms;
- and
- iii) 0 to about 10 mole % of an aliphatic dicarboxylic acid residues having up to 16 carbon atoms;
- and
- (b) a glycol component comprising:
- i) 15 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues;
- and
- ii) 75 to 85 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 %;
- and
- wherein the inherent viscosity of the polyester is from about 0.60 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.;
- and wherein the polyester has a Tg of from about 85 to 120° C.;
- and
- (2) 99 to 0 weight % of an aromatic polycarbonate;
- wherein the total combined weight percentage of polyester and polycarbonate in the polyester/polycarbonate blend equals 100 weight %.
A thermoplastic article produced by a polyester-containing composition, comprising:
- (1) 1 to 100 weight % of a polyester comprising
- (a) a dicarboxylic acid component comprising:
- i) from about 70 to 100 mole % of terephthalic acid residues;
- ii) 0 to about 30 mole % of an aromatic dicarboxylic acid residues having up to 20 carbon atoms;
- and
- iii) 0 to about 10 mole % of an aliphatic dicarboxylic acid residues having up to 16 carbon atoms;
- and
- (b) a glycol component comprising:
- i) 15 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues;
- and
- ii) 75 to 85 mole % of 1,4-cyclohexanedimethanol residues, and
- iii) 0 to 10 mole % ethylene glycol residues;
- wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %;
- and
- wherein the inherent viscosity of the polyester is from about 0.60 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.;
- and wherein the polyester has a Tg of from about 85 to 120° C.;
- and
- (2) 99 to 0 weight % of an aromatic polycarbonate;
- wherein the total combined weight percentage of polyester and polycarbonate in the polyester/polycarbonate blend equals 100 weight %.
Dependencies are inferred from the claim text.