ELASTOMERIC MATERIALS WITH HIGH CONTENT OF HARD UNITS AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2013 - IPC C08G18/10 C08G18/28 C08G18/78 C08G18/76 C08G18/32 C08G18/48 C08G18/66 C08J9/00 

FIELD: chemistry.

SUBSTANCE: invention includes a matrix substance which contains a plurality of urethane, urea and/or isocyanurate groups and having content of hard units of more than 50% (hereinafter matrix A), and a polymer substance which 1) does not contain groups which are capable of forming a urethane, urea or isocyanurate group upon reaction with an isocyanate group, 2) is interprenetrating with said matrix A and 3) is a reaction product of polyisocyanate and a polymer having number-average molecular weight greater than 500 and one group capable of reacting with isocyanate groups, with isocyanate index of 100-250 (hereinafter polymer substance B), and wherein the weight ratio of all ingredients used to produce said matrix A and said polymer substance B ranges from 10:90 to 90:10. Methods of producing said elastomeric material are also disclosed.

EFFECT: safe production of elastomeric material with a predefined glass-transition temperature, having high density and containing a substance with high content of hard units.

12 cl, 4 tbl, 3 ex