| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: invention provides water-retention additive for binders (Portland cement, lime binder, or Portland cement-lime binder) simultaneously increasing bend strength of concretes and mortars, which contains 45-55% amylose and, additionally, 45-55% soluble magnesium salt. ^ EFFECT: enhanced water-retention capacity and bend strength. ^ 1 tbl |
