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    • 2. 发明申请
    • High performance polyurethane carpet backings containing modified vegetable oil polyols
    • 含有改性植物油多元醇的高性能聚氨酯地毯背衬
    • US20070142544A1
    • 2007-06-21
    • US10560341
    • 2004-05-28
    • Randall JenkinesLarry MobleyWilliam Koonce
    • Randall JenkinesLarry MobleyWilliam Koonce
    • C08G18/08
    • C08G18/4288C08G18/4018C08G18/4841C08G18/7664C08G2150/60
    • Carpet backing for residential, commercial and recreational carpet which exhibits a tuftbind greater than 4.5 kg, ASTM D 1335, contains a polyurethane reaction product of a polyisocyanate; an active hydrogen containing compound; and a polyol reaction product. Typically, the polyol reaction product is a reaction product of a polyol and a vegetable oil and contains less than about 50 percent by weight of unreacted vegetable oil. The vegetable oil is preferably selected from palm oil, safflower oil, canola oil, soy oil, cottonseed oil and rapeseed oil. In a preferred embodiment, the vegetable oil is blown. Typically, the amount of unreacted vegetable oil in the polyol reaction product is less than about 34 weight percent. The hard segment of the resulting polyurethane reaction product constitutes at least 20 weight percent of the polyurethane reaction product. The carpet backing of the invention may be used as a precoat, a laminate or foam coating.
    • ASTM D 1335的住宅,商业和娱乐地毯的地毯背衬大于4.5公斤,含有多异氰酸酯的聚氨酯反应产物; 含氢活性化合物; 和多元醇反应产物。 通常,多元醇反应产物是多元醇和植物油的反应产物,并且含有小于约50重量%的未反应植物油。 植物油优选选自棕榈油,红花油,卡诺拉油,大豆油,棉籽油和菜籽油。 在优选的实施方案中,植物油被吹送。 通常,多元醇反应产物中未反应的植物油的量小于约34重量%。 所得聚氨酯反应产物的硬链段构成聚氨酯反应产物的至少20重量%。 本发明的地毯背衬可以用作预涂层,层压板或泡沫涂层。