Method and apparatus for removing additives from...

Details Method and apparatus for removing additives from... Method and apparatus for removing additives from...

2007-06-26

2007-06-26

McKane, E. Leigh (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Means separating or dissolving a material constituent

C422S257000, C422S260000, C422S287000, C422S288000, C422S309000, C425S317000, C264S211210, C264S037100, C264S920000

Reexamination Certificate

active

10469712

ABSTRACT:
There is provided a treatment method of efficiently separating an additive component from a resin component for the purpose of treating and recycling a thermoplastic resin composition containing an additive. The treatment method includes heating and agitating the thermoplastic resin composition containing the additive together with a solvent for dissolving at least part of the additive at a temperature ranging from the glass transition temperature of the thermoplastic resin to the boiling point of the solvent inclusive, and separating and recovering the solvent in a liquid state in which at least part of the additive is dissolved, so that at least part of the additive is separated and removed from the thermoplastic resin composition.

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English translation of Japanese Search Report for Application No. PCT/JP02/01768 dated May 29, 2003.

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