Title:
RESIN COMPOSITION AND LINING MATERIAL FOR PIPE REHABILITATION USE
Document Type and Number:
WIPO Patent Application WO/2023/058323
Kind Code:
A1
Abstract:
This resin composition comprises (A) an unsaturated polyester resin, (B) a monomer containing an ethylenically unsaturated group, (C) at least one selected from oxides and hydroxides of Group-2 elements, (D) at least one compound selected from water and compounds each containing a hydroxy group, and (E) a dicarboxylic acid, in which the unsaturated polyester resin (A) is a reaction product of a diol (a1) with a dibasic acid (a2), the diol (a1) contains a diol (a1-1) that is an alkanediol having a molecular weight of 90 to 500 in an amount of 43 to 85 mol% relative to 100 mol% of the diol (a1), the dibasic acid (a2) comprises (a2-1) a dibasic acid containing an ethylenically unsaturated group and (a2-2) a dibasic acid containing no ethylenically unsaturated group, and the content of the compound (D) is 0.1 to 1% by mass relative to the total amount, i.e., 100% by mass, of the unsaturated polyester resin (A), the monomer (B) containing an ethylenically unsaturated group, the compound (D) and the dicarboxylic acid (E).
Inventors:
MARUMO KAZUMASA (JP)
OKADA NAOTO (JP)
KOBAYASHI KENICHI (JP)
OKADA NAOTO (JP)
KOBAYASHI KENICHI (JP)
Application Number:
PCT/JP2022/030700
Publication Date:
April 13, 2023
Filing Date:
August 12, 2022
Export Citation:
Assignee:
RESONAC CORP (JP)
International Classes:
C08F283/01; C08K3/22; C08K5/092
Domestic Patent References:
| WO1997019136A1 | 1997-05-29 |
Foreign References:
| JP2007077218A | 2007-03-29 | |||
| JPS50119846A | 1975-09-19 | |||
| JPS5163858A | 1976-06-02 | |||
| JPH11210981A | 1999-08-06 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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