PUTTY Russian patent published in 2025 - IPC C04B28/22 

FIELD: chemistry; construction materials.

SUBSTANCE: invention relates to compositions of putty for concrete and stone structures. Putty includes slaked lime, filler – microcalcite, a mineral additive, a plasticiser, water, wherein it contains a mixture of slaked and hydraulic lime, microcalcite of the KM2 brand, as a mineral additive, diatomite NDP-D-230, and the plasticiser is modified polycarboxylate ester Sunbo PC 1021, with the following ratio of components, wt.%: slaked lime – 17.36-20.1, hydraulic lime – 1.74-2.4, microcalcite KM2 – 38.25-42.46, diatomite NDP-D-230 – 1.6-2.6, modified polycarboxylate ester Sunbo PC 1021 – 0.12-0.17, water – 34.6-38.6.

EFFECT: high water resistance and adhesion strength of the putty.

1 cl, 6 tbl