High bond strength cement additives

Details High bond strength cement additives High bond strength cement additives

1993-11-12

1994-07-26

Group, Karl

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106819, 106823, 524 2, 524 5, C04B 2400

Patent

active

053324358

ABSTRACT:
A hydraulic cement mix including hydraulic cement, aggregate, sufficient water to effect hydraulic setting of the cement, and a polyamidoamine additive, the additive being present in an amount sufficient to increase the bonding strength of the hardened mix. Generally, the additive is present in a total amount of about 0.025 to 0.25% by weight based upon the weight of the cement, preferably in an amount in the range of about 0.075 to 0.15% by weight.

REFERENCES:
patent: 4401472 (1983-08-01), Gerber
patent: 4519842 (1985-05-01), Gerber
patent: 4546160 (1985-10-01), Brand et al.
patent: 4650522 (1987-03-01), Teraji et al.
patent: 4960465 (1990-10-01), Arfaci
patent: 5192366 (1993-03-01), Nishioka et al.
American Society for Testing and Materials (A.S.T.M.) Designations: C185-188 and C91-89.
Uniform Building Code (U.B.C.) Standards (1991) Nos. 24-19 and 24-30.

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