PRIMER Russian patent published in 2020 - IPC C09D127/00 C04B28/26 

FIELD: chemistry.

SUBSTANCE: invention relates to compositions of primers for concrete and stone structures. First coat contains binder, calcium chloride solution and lime. When this is used as a binder liquid sodium glass density of 1100 kg/m³, slaked lime with the following ratio of components, wt. % - as in lime 10 % solution of calcium chloride solution of calcium chloride: sodium silicate solution density of 1100 kg/m³ 80.6–88.3; 10 % strength calcium chloride solution 8.4–12.9; calcined lime is 3.3–6.5.

EFFECT: invention accelerates hardening of the coating.

1 cl