| 摘要 |
Hot-fill polyester bottles and other containers characterized by an absence of visually discernable haze are manufactured from a polyester polymer containing up to about 250 ppm, and preferably from about 40 ppm to about 50 ppm, of a uniformly dispersed barium sulfate having an average particle size of less than about 0.1 micron. The polymer may be first formed into a preform, which may have an average wall thickness of from about 4 mm to about 6 mm, that is subsequently blown into the desired container configuration.
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