FOAMED AROMATIC POLYESTER-BASED RESIN PARTICLES FOR IN-MOLD FOAM MOLDING AND METHOD OF PRODUCING THE SAME, IN-MOLD FOAM MOLDED PRODUCT, COMPOSITE STRUCTURAL COMPONENT, AND COMPONENT FOR AUTOMOBILE
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United States of America Patent
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Issued Date -
Aug 14, 2014
app pub date -
Aug 28, 2012
filing date -
Aug 29, 2011
priority date (Note) -
Abandoned
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Abstract
Provided are foamed aromatic polyester-based resin particles for in-mold foam molding that have a long shelf life after production and can be used to produce an in-mold foam molded product having high mechanical strength and good appearance. The foamed aromatic polyester-based resin particles for in-mold foam molding contain an aromatic polyester-based resin and are characterized in that the content of residual carbon dioxide 7 hours after the particles are impregnated with carbon dioxide for 24 hours under the conditions of 25° C. and 1 MPa is 5% by weight or more.
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