Coating material for tendon for prestressed concrete

Details Coating material for tendon for prestressed concrete Coating material for tendon for prestressed concrete

C - Chemistry, Metallurgy

09

D

400/7901, 400/79

C09D 163/00 (2006.01) C08G 59/18 (2006.01) C08G 59/40 (2006.01) E04C 5/00 (2006.01) E04G 21/12 (2006.01)

Patent

CA 1328525

ABSTRACT OF THE DISCLOSURE A coating material for a tendon for prestressed concrete comprising 100 parts of epoxy resin, a latent curing agent, and 0.03 to 0.5 parts by weight of a curing accelerator, the latent curing agent being selected from the group consisting of dihydrazide, diphenyldiaminosulphone, dicyandiamide, 2- methylimidazole and derivatives thereof, and BF3.amine complex, the curing accelerator being 2,4,6-tris(N,N- dimethylaminomethyl)phenol, the coating material being curable in at least more than three days at ambient temperature. The coating material provides rust and corrosion protection for the tendons, and allows prestressed concrete to be manufactured more easily and cheaply than conventional methods.

572944

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