Method for producing molded article
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United States of America Patent
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Mar 26, 2013
Grant Date -
May 5, 2011
app pub date -
Jun 9, 2009
filing date -
Jun 10, 2008
priority date (Note) -
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Abstract
The present invention provides a method for producing a molded article which enables dissolution of a desired amount of a subject material in a molten resin without any limitation by the solubility of a high-pressure carbon dioxide in the molten resin and which is therefore suitable for commercial production of molded articles. The present invention pertains to a method for producing a molded article by molding a molten resin, and this method is characterized by including steps of supplying a high-pressure carbon dioxide and a subject material dissolved therein, into the molten resin; kneading the molten resin into which the high-pressure carbon dioxide and the subject material have been supplied; and exhausting the high-pressure carbon dioxide from the kneaded molten resin.
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