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Title:
ARTICLE HAVING WATER- AND OIL-REPELLENT SURFACE LAYER
Document Type and Number:
WIPO Patent Application WO/2023/013476
Kind Code:
A1
Abstract:
The present invention provides an article having a water- and oil-repellent surface layer, as well as excellent water- and oil-repellent properties, abrasion resistance (resistance to abrasion by eraser), and slipperiness, said article being constituted from: a glass substrate; an underlayer formed upon the outer surface of the glass substrate and having a silicon oxide as the main component thereof; and a water- and oil-repellent surface layer formed upon the outer surface of the silicon oxide underlayer. The film density of the silicon oxide underlayer is 1.8-2.2 g/cm3. The water- and oil-repellent surface layer has, as the main component thereof: a fluoropolyether group-containing polymer having a hydrolyzable silyl group with a specific structure; and/or a cured product of a partially hydrolyzed condensate thereof.

Inventors:
UCHIDA TAKASHI (JP)
HAYASHI RYUTO (JP)
YAMANE YUJI (JP)
Application Number:
PCT/JP2022/028767
Publication Date:
February 09, 2023
Filing Date:
July 26, 2022
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
B32B17/06; B32B27/30; C03C17/42; C03C23/00; C08G65/323; C08G65/328
Domestic Patent References:
WO2019035271A12019-02-21
WO2016190047A12016-12-01
WO2014097388A12014-06-26
WO2019035271A12019-02-21
WO2013121984A12013-08-22
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Other References:
"Drop Master", KYOWA INTERFACE SCIENCE CO., LTD.
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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