Methods for Making Polyester Resins Having Reduced Frictional Properties
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United States of America Patent
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app pub date -
Feb 2, 2007
filing date -
Dec 15, 2000
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Abandoned
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Abstract
The invention is a method for the late introduction of inert particulate additives via a reactive carrier to achieve a polyester resin that is capable of being formed into low-haze, high-clarity bottles possessing reduced coefficient of friction. The invention is also a polyester resin that includes between about 20 and 200 ppm of an inert particulate additive, such as surface-modified talc or surface-modified calcium carbonate.
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