Title:
CURABLE MATERIAL FOR REPAIR OF INNER SURFACES OF TUBULAR MOLDED BODIES AND REPAIR METHOD
Document Type and Number:
WIPO Patent Application WO/2014/103687
Kind Code:
A1
Abstract:
The present invention provides a curable material for repair of the inner surfaces of tubular molded bodies, which is characterized by being obtained by impregnating a fiber material with a curable resin composition that contains an unsaturated polyester and/or a vinyl ester, a polymerizable monomer having a molecular weight of 150 or less, a curing agent and a hindered phenol antioxidant. The present invention also provides a repair method for the inner surfaces of tubular molded bodies, which is characterized in that the curable material for repair of the inner surfaces of tubular molded bodies is inserted into a tubular molded body and bonded to the inner surface of the tubular molded body, and then cured. The curable material for repair of the inner surfaces of tubular molded bodies and the repair method of the present invention are capable of forming a covering layer that has excellent durability over a long period of time of 50 years.
Inventors:
OTANI KAZUO (JP)
Application Number:
PCT/JP2013/082992
Publication Date:
July 03, 2014
Filing Date:
December 09, 2013
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
B29C63/30; B29C70/06; C08F283/01
Foreign References:
| JPH11210981A | 1999-08-06 | |||
| JP2007291179A | 2007-11-08 | |||
| JPH0526390A | 1993-02-02 | |||
| JPH06146798A | 1994-05-27 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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