METHOD FOR RECOVERING POLYESTER-BASED SUPPORT

Title:

METHOD FOR RECOVERING POLYESTER-BASED SUPPORT

Document Type and Number:

Japanese Patent JP2023053494

Kind Code:

A

Abstract:

To provide a method for recovering a high-purity polyester-based support from a polyester-based support having at least one layer of a ceramic-containing coating film with good productivity and economical efficiency.SOLUTION: Provided is, in a method for removing coating film from a polyester-based support that has at least one layer of ceramic-containing coating film, a method for recovering polyester-based support that is characterized by having a step 1 of treating the polyester-based support with a polar solvent, and a step 2 of treating the polyester-based support with an alkaline treatment liquid.SELECTED DRAWING: None

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Inventors:

IKEYAMA KEIKO
NISHIZAKI DAIKI
NAKAJIMA HITOSHI

Application Number:

JP2021162560A

Publication Date:

April 13, 2023

Filing Date:

October 01, 2021

Export Citation:

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Assignee:

TORAY INDUSTRIES

International Classes:

C08J11/08; B29B17/02; B32B18/00

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