High efficiency superplasticizer comprising a sulfonated copolym

Details High efficiency superplasticizer comprising a sulfonated copolym High efficiency superplasticizer comprising a sulfonated copolym

1986-06-13

1987-11-03

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523219, C04B 702, C04B 735, C08G 7524

Patent

active

047044152

ABSTRACT:
Sulfonated copolymers of styrene alpha-methylstyrene are added to cement compositions to improve the workability and strength characteristics of the concrete, mortar or grout product derived therefrom.

REFERENCES:
patent: 2640820 (1953-06-01), Teot et al.
patent: 4071493 (1978-01-01), Begou
patent: 4076699 (1978-02-01), Grimaud et al.
patent: 4164426 (1979-08-01), Sinka et al.
Derwent Abs, 8b-132000/21, Ohsmann, DE 3440931, May 15, 1986.

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