Composite material comprising a polyurethane-polyacrylate resin matrix
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United States of America Patent
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Nov 29, 2022
Grant Date -
Mar 4, 2021
app pub date -
Sep 12, 2018
filing date -
Sep 12, 2017
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Abstract
The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein R1 is selected from the group consisting of hydrogen, methyl or ethyl; R2 is selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)propane, 1,4-bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprising a thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same.
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