Patent ID: 7094863
Filing Date: 2006-08-22
Classification: C08G,Y10T

Abstract:
1. A polyethylene terephthalate preform that can be formed into a hot-fill bottle having excellent color, clarity, and shrinkage properties, comprising: polyethylene terephthalate polymers including between about 2 and 6 mole percent comonomer substitution; between about 2 and 20 ppm of elemental titanium; and less than 50 ppm of elemental antimony, if any; wherein the polyethylene terephthalate preform has a heating crystallization exotherm peak temperature (T wherein the polyethylene terephthalate preform has an absorbance (A) of at least about 0.18 cm wherein the polyethylene terephthalate preform has an L* value of more than about 70 as classified in the CIE L*a*b* color space.