Agent and method for modifying surface layer of cement structure

Details Agent and method for modifying surface layer of cement structure Agent and method for modifying surface layer of cement structure

1982-07-22

1984-04-17

Morris, Theodore

Coating processes

Restoring or repairing

427136, 4273978, 427403, 106 74, 106100, 10628724, C04B 3100, B05C 116, B32B 3500

Patent

active

044434960

ABSTRACT:
An agent and method for modifying a surface layer of hardened cement structures or substrates with use of the agent which comprises in a specified ratio of an alkali silicate solution and a sodium naphthalenesulfonate-formaldehyde condensate. Said agent has an excellent stability and a remarkable permeability into the cement structure to form a deeper strengthened surface layer thereon.

REFERENCES:
patent: 2644771 (1953-07-01), Kempthorne
patent: 2709661 (1955-05-01), Kronberg
patent: 3954491 (1976-05-01), Adrian

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