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Machine translation
1. (WO1980001802) RUST PREVENTION OF STEEL MATERIALS IN CONCRETE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/001802    International Application No.:    PCT/JP1979/000053
Publication Date: 04.09.1980 International Filing Date: 02.03.1979
IPC:
C04B 24/12 (2006.01), C04B 28/02 (2006.01)
Applicants:
Inventors:
Priority Data:
JP79/00053 02.03.1979 WO
Title (EN) RUST PREVENTION OF STEEL MATERIALS IN CONCRETE
(FR) PREVENTION DE LA ROUILLE DE MATERIAUX EN ACIER DANS DU BETON ARME
Abstract: front page image
(EN)Rust prevention of steel materials contained in concrete or mortar comprises incorporating in the concrete or mortar nitrites, compounds represented by the general formula NH(R).CH2.COOH, wherein R is H or an alkyl group of one to four carbon, or salts thereof, and hydrated hydrazine. Sea sand may be used effectively as an aggregate.
(FR)On empeche des materiaux en acier contenus dans du beton arme ou du mortier de rouiller en incorporant dans le beton arme ou le mortier des nitrites, composes representes par la formule generale NH(R).CH2.COOH, ou R est H ou un groupe alkyle comprenant de 1 a 4 atomes de carbone, ou leurs sels, et de l"hydrazine hydratee. On peut utiliser du sable de mer comme agregat.
Designated States:
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)