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1 liquid type crack repair adhesive composition and crack repair method
1 liquid type crack repair adhesive composition and crack repair method
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机译:1液体型裂缝修补胶粘剂组合物及裂缝修补方法
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摘要
PROBLEM TO BE SOLVED: To provide a one-liquid type adhesive composition for crack repair which is used for sealing and adhesion in crack repairing with excellent detachability, curability, and adhesive properties; and a crack repair method with excellent workability using the adhesive composition.SOLUTION: A crack repair method includes the steps of: sealing the surface of a crack with an adhesive and fixing a repair agent injection tool with the adhesive; injecting a repair agent in the crack; and peeling off the adhesive for removal after curing of the repair agent. A one-liquid type adhesive composition, which contains (A) urethane prepolymer produced by a reaction of propoxy polyether polyol having an ethylene oxide cap and a polyisocyanate compound and (B) fatty acid ester, is used as the adhesive in the method.
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