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公开(公告)号:US20130289150A1
公开(公告)日:2013-10-31
申请号:US13456445
申请日:2012-04-26
申请人: Stanley L. Hager , Susan McVey , Glenn Dephillipo , Matthaeus Gossner , Manfred Naujoks , Sven Meyer-Ahrens , Alan A.E. Marcinkowsky
发明人: Stanley L. Hager , Susan McVey , Glenn Dephillipo , Matthaeus Gossner , Manfred Naujoks , Sven Meyer-Ahrens , Alan A.E. Marcinkowsky
CPC分类号: C08J9/122 , C08G18/283 , C08G18/4072 , C08G18/4812 , C08G18/4816 , C08G18/4829 , C08G18/632 , C08G2101/00 , C08J2203/06 , C08J2205/06 , C08J2375/04
摘要: A viscoelastic foam is produced by reacting (a) an isocyanate component that includes at least 25% by weight of diphenylmethane diisocyanate having a monomeric content of from 50 to 90% by weight, (b) an isocyanate-reactive component, (c) at least one catalyst, (d) at least one surface active agent, and (e) liquid carbon dioxide. These foams are characterized by a ball rebound of less than 20%. Particularly preferred foams are characterized by a 95% height recovery time greater than 4 seconds.
摘要翻译: 通过使(a)异氰酸酯组分(其包含至少25重量%的单体含量为50至90重量%的二苯基甲烷二异氰酸酯,(b)异氰酸酯反应性组分,(c))的异氰酸酯组分 至少一种催化剂,(d)至少一种表面活性剂,和(e)液态二氧化碳。 这些泡沫的特征是球反弹小于20%。 特别优选的泡沫的特征在于大于4秒的95%的高度恢复时间。