IN302438: A composition for building materials and a process for the preparation thereof
Abstract
The invention provides a composition and a process for the preparation of chemical activated cold setting fly ash building construction materials. The chemical activator is an alkaline aqueous solution of 11.2-13.6 in pH and 1.25-1.40 gm/cc in density which contains admixtures of different concentrations of hydroxyl, sulfate, acetate and chloride bearing chemical salts of calcium, magnesium, sodium, potassium and aluminum in water medium. The reaction of chemical activator solution and the mineral constituents of fly ash mix develop binding property. The binding matrix of chemical activated fly ash mix is mostly hydrous silica and silicate group of phases which on setting under atmospheric condition attains strength suitable for building construction application. Utilization of fly ash of any source by weight ranges from 80-99% in manufacture of building materials including heat and acid resistance and toxic waste disposal products.
Filing Date:
26-03-2008
Issue Date:
26-10-2018
Applicant:
CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar
Patent No:
IN302438
Application No:
0774DEL2008
Inventor(s):
Nayak Banshidhar, Mishra Barada Kanta, Behera Snehasis, Rajeev, Vimal Kumar
IPC Classification:
B29D 30/00
Country:
India
Please enter your details
Please provide your name and email to continue. Your details are saved in this browser for future use.
Acces sibility Controls