COLORING PIGMENT MASTERBATCH COMPOSITION AND METHOD OF MOLDING
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United States of America Patent
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Issued Date -
Feb 17, 2005
app pub date -
Sep 27, 2004
filing date -
Oct 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a pigment master batch composition which comprises a specific thermoplastic elastomer, a thermoplastic resin and a pigment and clearly reveals grain-like colored patterns and which can effectively suppress a reduction in a pinch-off part strength and an impact strength caused by a pattern-coloring action, and the above composition can be used not only for blow molding but also injection molding and extrusion molding. Further, a change in a color tone of a base color can be inhibited even if a recycled material containing pigments is used to carry out molding, and a rate of defectives produced by a difference in a color tone can be controlled.
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