Modification of hyperbranched polyesterpolyols with oligomeric etherurethanediisocyanates and their reactions with 2-aminoethyl hydrogen sulphate and 2-aminoethanesulfonic acid - A. V. Shevchuk; N. S. Klimenko; A. V. Strjutskij; V. V. Shevchenko (Polymer journal, 2015)