FIELD: chemistry.
SUBSTANCE: present invention relates to a polyester polyol, an adhesive two-component polyurethane system and an adhesive. Polyester polyol has a structure of formula (II) 
in which R1 and R2 independently denote hydrogen, methyl or ethyl, m equals 1 to 15, n equals 2 to 20, and R denotes C1-C4-alkyl group. Said adhesive system contains polyol component (a) containing from 0.2 to 100 wt. % of polyester polyol of formula (II), and (b) prepolymer containing end isocyanate group. Adhesive contains a prepolymer containing a terminal isocyanate group containing units of formula (II).
EFFECT: present invention overcomes difficulties associated with phase separation of silanes.
6 cl, 10 tbl, 25 ex
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