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Title:
WATERPROOF SHEET MADE OF SILICONE RUBBER, AND WATERPROOFING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/070352
Kind Code:
A1
Abstract:
This waterproof sheet made of a silicone rubber is characterized by being provided with: a base material layer obtained by curing a silicone rubber composition; and a pressure-sensitive adhesive layer comprising a cured product of a silicone gel composition laminated on one surface of the base material layer, wherein, on the other surface of the base material layer, a coating layer containing a silicone resin represented by average composition formula (1): [RSiO3/2]m[R2SiO]n (in the formula, each R represents an identical or a different monovalent hydrocarbon group that is unsubstituted or substituted and that contains 1-20 carbon atoms, m is 0.45-1.0, n is 0-0.55, and m+n≤1.0 is satisfied) is included.

Inventors:
UNO Takao (Shin-Etsu Chemical Co. Ltd., 1-10, Hitomi, Matsuida-machi, Annaka-sh, Gunma 24, 〒3790224, JP)
TAKEWAKI Kazuyuki (Shin-Etsu Chemical Co. Ltd., 1-10, Hitomi, Matsuida-machi, Annaka-sh, Gunma 24, 〒3790224, JP)
Application Number:
JP2017/036466
Publication Date:
April 19, 2018
Filing Date:
October 06, 2017
Export Citation:
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Assignee:
SHIN-ETSU CHEMICAL CO., LTD. (6-1 Ohtemachi 2-chome, Chiyoda-ku Tokyo, 04, 〒1000004, JP)
International Classes:
B32B27/00; C09J183/05; C09J183/07
Domestic Patent References:
WO2016063693A12016-04-28
WO2017056667A12017-04-06
Foreign References:
JPS5695663A1981-08-03
JP2014031413A2014-02-20
JPH069873A1994-01-18
JPH10110098A1998-04-28
JPH09111188A1997-04-28
JPS5589624U1980-06-20
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (GINZA OHTSUKA Bldg. 2F, 16-12 Ginza 2-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
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