Novel cement additive

Abstract

The invention discloses a novel cement additive. The novel cement additive is composed of, by mass, sodium thiocyanate of 38 to 56 parts; acrylamide of 5 to 9 parts; talc powder of 11 to 16 parts; diatomite of 8 to 13 parts; a non chlorinated salt of 6 to 10 parts; Beijing Zhongbo Polymerization Technology Co., Polymeric Alkylol Amine of 3 to 6 parts; calcium stearate of 10 to 15 parts; a crosslinking agent of 2 to 5 parts; an initiator of 1 to 5 parts, and a water reducing agent of 2 to 6 parts. The performance of the novel cement additive can be achieved preferably even in the winter, is notinfluenced by low temperature; a problem in the prior art, that after cement water adding stirring, freezing is caused at about 0 DEG C, it is impossible to achieve required stability, or the hardening time is too long, in the prior art, doping with Calcium Chloride is adopted to solve the problem, corrosion of cement is caused by doping of Calcium Chloride, and the hardening speed and compressive strength are poor than those of standard cement at 10 DEG C, is solved; the non chlorinated salt combined sodium thiocyanate cement additive can be used in cold, warm, and hot days.

Description

technical field [0001] The invention relates to an additive, especially a novel cement additive. Background technique [0002] With the continuous development of society, various technologies are also constantly improving, and the requirements of the cement industry are also getting higher and higher. Cement additives have the advantages of saving energy, reducing costs, improving the quality and output of cement products, and have been widely used at home and abroad. Use; high-performance cement additive is a chemical compound used in cement production, acting on cement mills to increase output and increase efficiency, and to improve cement performance, quality, cement storage, loading and unloading conditions, etc. The ultimate goal is Improve the economy of cement manufacturing and promote productivity and profitability of enterprises, but existing additives only add some quick-drying or enhanced performance, but do not consider that some compounds in cement cannot play a...

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of society, various technologies are also constantly improving, and the requirements of the cement industry are also getting higher and higher. Cement additives have the advantages of saving energy, reducing costs, improving the quality and output of cement products, and have been widely used at home and abroad. Use; high-performance cement additive is a chemical compound used in cement production, acting on cement mills to increase output and increase efficiency, and to improve cement performance, quality, cement storage, loading and unloading conditions, etc. The ultimate goal is Improve the economy of cement manufacturing and promote productivity and profitability of enterprises, but existing additives only add some quick-drying or enhanced performance, but do not consider that some compounds in cement cannot play a relevant role at low temperatures due to weather problems