METHOD FOR REMOVING POLLUTANTS

Title:

METHOD FOR REMOVING POLLUTANTS

Document Type and Number:

WIPO Patent Application WO/2024/034594

Kind Code:

A1

Abstract:

A method for removing pollutants attached to a target surface, the method comprising: a step for forming a coating film by applying a self-detaching film forming composition containing components (A)-(C) below onto the target surface to which pollutants are attached, wherein the mass ratio (B)/[(A)+(B)] of component (B) to the total amount of component (A) and component (B) is 0.6-0.95; a step for drying the coating film; and a step for removing the pollutants together with the coating film through self detachment of the coating film associated with drying.　(A) A polymer including vinyl alcohol as a structural unit; (B) polystyrenesulfonic acid with a sulfonation ratio of 89% or more or a salt thereof; and (C) a volatile solvent.

More Like This:

WO/2023/167494	COLORANT COMPOSITION FOR FILM COATING SUITABLE FOR UV LASER PRINTING AND UV LASER PRINTING METHOD USING SAME COMPOSITION
JP3857427	PRODUCTION OF COATING LIQUID AND THERMAL RECORDING MATERIAL COMPOSED OF THE SAME

Inventors:

USHIO NORIAKI (JP)
JOCHI YUTO (JP)
KURIHARA KOHEI (JP)

Application Number:

PCT/JP2023/028873

Publication Date:

February 15, 2024

Filing Date:

August 08, 2023

Export Citation:

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Assignee:

KAO CORP (JP)

International Classes:

C09D129/04; C09D5/20; C09D125/18

Domestic Patent References:

WO2022173030A1

2022-08-18

Foreign References:

KR20140093810A	2014-07-29
JP2013209562A	2013-10-10
JP2019119750A	2019-07-22
JP2017119778A	2017-07-06
JPS61502130A	1986-09-25

Attorney, Agent or Firm:

ARUGA PATENT OFFICE (JP)

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