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Preparation of sprayable aliphatic polyurea elastomers having improved properties
Preparation of sprayable aliphatic polyurea elastomers having improved properties
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机译:制备具有改善性能的可喷涂脂族聚脲弹性体
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摘要
This invention discloses an aliphatic spray polyurea elastomer comprising an (A) component that includes an aliphatic isocyanate and a (B) component that includes (1) an amine-terminated polyoxyalkylene polyol and (2) a cycloaliphatic diamine chain extender, wherein between about 20% to about 80% of the primary amines have been converted into secondary amines.
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