C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 163/02 (2006.01) B28B 23/04 (2006.01) C08G 59/40 (2006.01) E04C 5/01 (2006.01) E04C 5/08 (2006.01)
Patent
CA 2349685
A curable composition applied to the surface of a tendon for prestressed concrete contains at least an epoxy resin and a moisture-curing type curing agent. In the curable composition, the tensioning-permitting time L at 90°C is at least 20 hours, and the number of days M required to cure at normal temperature is at most 1095 days. The curable composition for tendons for prestressed concrete according to the present invention permits complete prevention of corrosion without conducting injection of a grout into a sheath and can be used even when the curable composition is heated to a high temperature by heat generated upon hardening of concrete.
Hirohata Toshiro
Kiyosu Kouji
Ohgaki Yasuji
Takagaki Takashi
Touda Yoshihiko
Marks & Clerk
Sumitomo (sei) Steel Wire Corp.
Sumitomo Electric Industries Ltd.
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