Cement admixture

Details Cement admixture Cement admixture

1987-08-20

1990-11-06

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

526240, 52631842, C08K 300

Patent

active

049687344

ABSTRACT:
The present invention is directed to a copolymer of acrylic or methacrylic acid and a hydroxyalkyl acrylate or methacrylate, to cement admixture compositions containing said polymer and to hydraulic cement compositions containing said admixture. The copolymer is composed of from 20 to 40 mole percent of an alkali metal salt of acrylic or methacrylic acid either as the free acid or as their alkali or alkaline earth metal salt and from 60 to 80 mole percent of hydroxyalkyl acrylate or methacrylate; said polymer having a weight average molecular weight of at least 70,000.

REFERENCES:
patent: Re31936 (1985-07-01), Sperry et al.
patent: 3488215 (1968-06-01), Shepherd et al.
patent: 4102843 (1978-07-01), Sperry et al.
patent: 4293475 (1981-10-01), Sidi
patent: 4435539 (1984-03-01), Witiak
patent: 4460720 (1984-07-01), Gaidis et al.
patent: 4473069 (1984-09-01), Bradley et al.
patent: 4522653 (1985-06-01), Rao et al.
patent: 4524163 (1985-06-01), Bradley et al.
patent: 4732698 (1988-03-01), Chen
patent: 4743664 (1988-05-01), Matui et al.
Superplasticizer in Concrete by Malhotra et al.

Affiliated with

Also associated with

Rating

Cement admixture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cement admixture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cement admixture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1307356