(19)
(11) EP 2 829 638 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
01.04.2015 Bulletin 2015/14

(88) Date of publication A3:
28.01.2015 Bulletin 2015/05

(43) Date of publication:
28.01.2015 Bulletin 2015/05

(21) Application number: 12871873.1

(22) Date of filing: 28.09.2012
(51) International Patent Classification (IPC): 
C23F 13/00(2006.01)
C09J 11/06(2006.01)
 C09J 9/02(2006.01)
C09J 133/18(2006.01)
(86) International application number:
PCT/JP2012/075132
(87) International publication number:
WO 2013/140645 (26.09.2013 Gazette 2013/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 22.03.2012 JP 2012065723

(71) Applicant: Sekisui Plastics Co., Ltd.
Osaka-shi Osaka 530-8565 (JP)

(72) Inventors:
  • HATORI, Takaaki
    Nara 632-8505 (JP)
  • SATO, Kaori
    Nara 632-8505 (JP)
  • FUJITA, Takahiko
    Inasiki-gun, Ibaraki 300-0421 (JP)
  • NAKAMURA, Kengo
    Inasiki-gun, Ibaraki 300-0421 (JP)

(74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB 
Friedenheimer Brücke 21
80639 München
80639 München (DE)

   


(54) ADHESIVE HYDROGEL AND METHOD FOR ELECTROLYTIC PROTECTION OF CONCRETE STRUCTURE


(57) Disclosed is an adhesive hydrogel containing a polymer matrix, water, and a polyhydric alcohol, wherein the polymer matrix contains a copolymer of a monofunctional monomer with a single polymerizable C-C double bond and a polyfunctional monomer with two or more polymerizable C-C double bonds, the monofunctional monomer contains a nonionic (meth)acrylamide-based monomer, and the polyfunctional monomer has a composition formula: ClHmOn, where O is an oxygen atom in an ether bond, l is an integer greater than or equal to 4, m is an integer greater than or equal to 6, and n is an integer greater than or equal to 0.