| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: contamination protector contains fine particles of nitrogen dioxide, aqueous solvent containing alcohol dispersing specified particles of nitrogen dioxide, surface-active substance and splash modifier chosen among alkali metal compound, alkaline-earth metal compound, phosphorus compound, clay mineral and mixtures thereof. Specified contamination protector enters into the composition of specified aqueous solvent. It can be applied onto building board coating. ^ EFFECT: contamination protector and its adhesion to building board coating are enhanced. ^ 3 cl, 30 dwg, 3 tbl, 30 ex |
