Black masterbatch
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United States of America Patent
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Jan 16, 1996
Grant Date -
N/A
app pub date -
Oct 25, 1994
filing date -
Oct 25, 1994
priority date (Note) -
Expired
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Abstract
A black masterbatch for polyester polymer consisting of: (a) 25-99.7% of polyester polymer by weight; (b) 0.1-20% of dispersive second polyester by weight and/or 0.1-15% EVA by weight; and (c) 0.1-40% of carbon black by weight; whereby the black masterbatch can be easily manufactured by a simple process without polluting the environment.
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