FIELD: chemistry.
SUBSTANCE: present invention relates to copolymer, a building chemical composition, and the use of copolymer. This copolymer includes structural links of the formula 
and structural links having free side chains with a simple polyester function selected from links of formulas: 
and 
. The building chemical composition includes this copolymer and a geopolymer binder. This copolymer is used as dispersant for geopolymer binders.
EFFECT: obtaining copolymers having effective plasticization of inorganic binder systems; copolymers also allow reducing water content in inorganic binder systems without reducing fluidity and processability of building compositions.
9 cl, 3 tbl, 7 ex
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