Masterbatches having high levels of resin
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 3, 2001
Grant Date -
N/A
app pub date -
Mar 22, 1999
filing date -
Mar 22, 1999
priority date (Note) -
Expired
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Abstract
Masterbatch including at least about 65 wt % of resin having a R&B softening point as measured in accordance with ASTM 28-67. The masterbatch also includes a carrier polymer having a peak melting temperature, as measured by DSC, up to about 20.degree. C. greater than the R&B softening point of the resin. A masterbatch pellet made by a method, including mixing a resin having a R&B softening point as measured in accordance with ASTM 28-67, and a carrier polymer having a peak melting temperature, as measured by DSC, up to about 20.degree. C. greater than the R&B softening point of the resin, to form masterbatch composition including at least about 65 wt % of resin. The method of making the masterbatch pellet also includes pelletizing the masterbatch composition into masterbatch pellet. Methods of making a masterbatch, methods for making polymer product, and a polymer product.
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