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    • 6. 发明授权
    • Foaming agents containing liquid carbon dioxide
    • 含有二氧化碳的发泡剂
    • US06303667B1
    • 2001-10-16
    • US08836279
    • 1997-05-02
    • Werner Kruecke
    • Werner Kruecke
    • C08G1800
    • C08J9/122C08J9/127C08J2203/12C08J2203/14C08J2203/142Y10S521/91Y10S521/917
    • A blowing agent composition includes a blowing agent consisting of liquified carbon dioxide and 1,1-difluoroethane, or a mixture consisting of liquid carbon dioxide and at least one other liquid or pressure-liquified component selected from the group consisting of ethers with a total of 2 to 4 carbon atoms; ketones with 3 to 5 carbon atoms; alcohols with 1 to 5 carbon atoms; aliphatic hydrocarbons selected from the group consisting of propane, butane, pentane, hexane, heptane; cyclic hydrocarbons with 3 to 12 carbon atoms; fluorohydrocarbons selected from the group consisting of trifluoromethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3-pentafluorobutane; phosphate esters and phosphonate esters containing three C1-C4-alkyl groups optionally substituted by one or more halogen atoms. The composition comprises 5 to 50% by weight of liquid carbon dioxide.
    • 发泡剂组合物包括由液化二氧化碳和1,1-二氟乙烷组成的发泡剂,或由液体二氧化碳和至少一种其它液体或压力 - 液化组分组成的混合物,所述液体或压力液化组分选自总共为 2至4个碳原子; 具有3至5个碳原子的酮; 具有1至5个碳原子的醇; 选自丙烷,丁烷,戊烷,己烷,庚烷的脂族烃; 具有3至12个碳原子的环状烃; 氟代烃选自三氟甲烷,1,1,1-三氟乙烷,1,1,2-三氟乙烷,1,1,2,2-四氟乙烷,1,1,1,2-四氟乙烷,1,1,1 ,3,3-五氟丙烷和1,1,1,3,3-五氟丁烷; 含有任选被一个或多个卤素原子取代的三个C 1 -C 4 - 烷基的磷酸酯和膦酸酯。 该组合物包含5至50重量%的液体二氧化碳。