Cement grinding aid

Details Cement grinding aid Cement grinding aid

1997-01-30

1999-12-21

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525384, 106693, C08F 814

Patent

active

060050578

ABSTRACT:
A cement clinker grinding aid which comprises a styrene-maleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylene-based side chains. Use of the grinding aid renders the grinding process more efficient and improves the performance of cementitous compositions in which the cement thus ground is used.

REFERENCES:
patent: 4126480 (1978-11-01), MacWilliams et al.
patent: 4136830 (1979-01-01), Manfroy et al.
patent: 5369198 (1994-11-01), Albrecht et al.
patent: 5478391 (1995-12-01), Babaev et al.
WPI/Derwent Abstract No. 84-117495.

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