多孔質フィルムの製造方法 - Sumitomo Chemical Co., Ltd.

Title:

多孔質フィルムの製造方法

Document Type and Number:

Japanese Patent JP6458835

Kind Code:

B2

Abstract:

A method for producing a porous film having a water content percentage of less than 1000 ppm, the method including the steps of: (1) obtaining a porous film (A) having a water content percentage of not less than 1000 ppm; (2) obtaining a package by causing the obtained porous film (A) and a drying agent to be contained in a water vapor barrier packaging container and sealing the water vapor barrier packaging container; and (3) storing the obtained package.

Inventors:

Kenshi Yoneyama
Daisaburo Yaho

Application Number:

JP2017155067A

Publication Date:

January 30, 2019

Filing Date:

August 10, 2017

Export Citation:

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