Compound polymer cement mortar powdered constituent and spraying foundation adjustment application modulo null for spraying foundation adjustment

摘要

PURPOSE: To provide the cement mortar powder compsn. for spraying surface prepn. which is good in spray workability and finishing of a sprayed surface and is high in the adhesive strength to a base body and the method for executing the spraying surface prepn. ;CONSTITUTION: This compounded cement mortar powder compsn. for spraying surface prepn. is prepd. by mixing (A) 100 pts.wt. ordinary or high-early-strength Portland cement, (B) 50 to 200 pts.wt. silica sand, (C) 5 to 20 pts.wt. reemulsifiable powder resin, (D) 0.1 to 0.5 pts.wt. cellulose deriv. having 10,000 to 50,000 centipoise viscosity of an aq. 2wt.% soln. and ≤0.02 viscosity ratio and (E) one or ≥2 constituting materials, such as powder additives, fibers and lightweight aggregates, as desired. This method for the spraying surface prepn. uses the above-mentioned compsn.;COPYRIGHT: (C)1994,JPO&Japio