COMPOSITIONS FOR MOULDING, METHODS OF THEIR PRODUCTION AND APPLICATION Russian patent published in 2017 - IPC B44C3/04 

FIELD: chemistry.

SUBSTANCE: moulding composition comprises a starch-based binder, water, a retrogradation inhibitor, a salt, and from about 0.15 to about 1.2 wt % of microspheres. The moulding composition comprises (a) from about 30 wt % to about 60 wt % of water; (B) from about 20 wt % to about 40 wt % of a binder based on starch; (C) from about 2.0 wt % to about 5.0 wt % of lubricant; (D) from about 0.5 wt % to about 4.0 wt % surfactant; (E) from about 5 wt % to about 20 wt % of salt; (F) from about 0.1 wt % to about 1 wt % of preservative; (G) from about 0.5 wt % to about 5 wt % of retrograde inhibitor; (H) from 0 wt % to about 1 wt % of hardener; (I) from about 0.15 wt % to about 1.2 wt % of microspheres; (J) from 0 wt % to about 10 wt % of the humidifier; (K) of 0 wt % to about 0.5 wt % of perfume; and (l) from 0 wt % to about 5 wt % of the dye.

EFFECT: improved weight gain for modeling as a result of reduced shrinkage of the mass during drying, resulting in better shape retention and bulk mould stability, reduced viscosity, making it softer, more flexible, easier to extrude, providing a ball bearing effect, facilitating Thereby using mass.

56 cl, 8 tbl, 4 ex, 7 dwg