FIELD: production of composite materials.
SUBSTANCE: invention relates to polymeric microspheres filled with aromatic and aliphatic polyether polyol with end cyanate-ester groups, as well as its mixtures with cyanic ethers. Polymer elastomer composition, containing bisphenol A bicarbonate and a polymer binder based on a mixed aliphatic and aromatic polyether polyol with end cyanate-ester groups at the following ratio, wt %: bisphenol A dicyanate—not more than 40; polymer binder—balance, wherein bisphenol A dicyanate and polymer binder based on the mixed aliphatic and aromatic polyether polyol with terminal cyanate-ester groups are used in form of 50 % solution in ethyl acetate.
EFFECT: technical result is improved performance of multilayer composite materials.
4 cl, 8 ex, 4 tbl
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Authors
Dates
2020-11-30—Published
2019-06-11—Filed