FILLER MADE OF SORTED RESIDUE FOR PRODUCING CEMENT AND CRUSHED STONE MOULDS Russian patent published in 2022 - IPC C04B18/28 C04B28/02 

FIELD: sorting.

SUBSTANCE: invention relates to a filler made of sorted residue for producing cement and crushed stone moulds, for a mould produced using the filler, and a process for production thereof. The filler for producing cement and crushed stone moulds contains a mixture of groups of materials consisting of crushed and sorted residue conditioned with chemical reagents-compositions in the presence of water, mixed in the following proportions of relative dry matter: 20 wt.%. PCP: paper, cardboard, cardboard packaging, e.g., packaging, printed products, or cardboard folders, 40 wt.% plastics, e.g., packaging, film, CD/DVD jackets, 20 wt.% inert materials, e.g., glass, ceramics, porcelain, stone and pottery, 15 wt.% textiles, e.g., clothing, curtains, carpets, fabric scraps, and 5 wt.% wood, e.g., wooden boxes, boards or chips, and then crushed according to the corresponding vector of the group of materials depending on the weight.

EFFECT: use of alternative fillers easily produced and processed, exhibiting improved mechanical properties.

21 cl, 1 tbl, 2 dwg