Additives for hydraulic cement compositions

Compositions: coating or plastic – Materials or ingredients – Additive materials for inorganic cements which contain a...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

106822, 106823, 524650, C04B 2408

Patent

active

052942562

ABSTRACT:
The present invention provides additives for hydraulic cement compositions, particularly masonry cements, which improve the water-repellancy, workability, and board life of said compositions. The additives of the invention comprise a water-insoluble, water-repelling acid, a set retarding composition, an emulsifier, and a polymer selected from the group consisting of polyvinyl alcohol, polyvinyl acetate, hydroxypropyl substituted polysaccharides, and mixtures thereof.

REFERENCES:
patent: 2243501 (1941-05-01), Daimler et al.
patent: 2434695 (1948-01-01), Helms
patent: 2491487 (1948-12-01), Faulwetter
patent: 2576955 (1951-12-01), Ludwig
patent: 2990382 (1961-06-01), Wagner et al.
patent: 3486916 (1969-12-01), Cordon
patent: 3486960 (1969-12-01), Fitzgerald et al.
patent: 3645763 (1972-02-01), Ronzio et al.
patent: 3826663 (1974-07-01), Minicozzi
patent: 3850651 (1974-11-01), Duncan et al.
patent: 3865601 (1975-02-01), Serafin et al.
patent: 3885985 (1975-05-01), Serafin et al.
patent: 3936811 (1976-02-01), Kirst et al.
patent: 4021257 (1977-03-01), Bernett
patent: 4021259 (1977-05-01), Komatsu et al.
patent: 4064062 (1978-01-01), Burge
patent: 4375987 (1983-03-01), Lange et al.
patent: 4410366 (1983-10-01), Berchall et al.
patent: 4434257 (1984-02-01), Narisawa et al.
"Methocel Cellulose Ethers in Masonry Cements and Mortars", Dow Chemical, Date Unknown.
"Staley.RTM. Developmental Product C3-440 Water Soluble Polymer", A. E. Staley Mfg. Co., Date Unknown.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Additives for hydraulic cement compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-1533220

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.