Title:
RESIN COMPOSITION, CONDUIT REPAIR MATERIAL, AND CONDUIT REPAIR METHOD
Document Type and Number:
WIPO Patent Application WO/2022/025097
Kind Code:
A1
Abstract:
A resin composition including (A) an unsaturated polyester oligomer, (B) a radical polymerizable monomer, and (C) a photopolymerization initiator. The (A) unsaturated polyester oligomer includes a structure derived from a polyvalent alcohol component (a1) including 55-85 mol% neopentyl glycol per 100 mol% of the entire polyvalent alcohol component, a structure derived from a polybasic acid component (a2) including isophthalic acid and/or terephthalic acid, and a structure derived from an unsaturated dibasic acid component (a3) including maleic anhydride and/or fumaric acid, and includes, per 100 mol of the structure derived from the polyvalent alcohol component (a1), 30-60 mol of the structure derived from the polybasic acid component (a2) and 40-70 mol of the structure derived from the unsaturated dibasic acid component (a3).
Inventors:
OKADA NAOTO (JP)
GOTO NAOKI (JP)
KOBAYASHI KENICHI (JP)
GOTO NAOKI (JP)
KOBAYASHI KENICHI (JP)
Application Number:
PCT/JP2021/027840
Publication Date:
February 03, 2022
Filing Date:
July 28, 2021
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
C08F283/01; C08J5/24; E03F7/00; F16L55/18
Foreign References:
| JP2007291179A | 2007-11-08 | |||
| JP2003049974A | 2003-02-21 | |||
| JPH1143596A | 1999-02-16 | |||
| JP2013041241A | 2013-02-28 | |||
| JPS50154390A | 1975-12-12 | |||
| JP2002062644A | 2002-02-28 |
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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