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    • 8. 发明授权
    • Hydrofluorocarbon compositions as blowing agents for cellular plastics
    • 氢氟烃组合物作为泡沫塑料的发泡剂
    • US5314926A
    • 1994-05-24
    • US131974
    • 1993-10-04
    • Mark L. RobinYuichi IikuboW. Douglas RegisterRichard S. Rose
    • Mark L. RobinYuichi IikuboW. Douglas RegisterRichard S. Rose
    • C08J9/14
    • C08J9/144C08J9/149Y10S264/05Y10S521/91
    • Blowing agents for use in foamable plastics such as polystyrene, polyvinyl chloride, polyethylene and other non-polyisocyanate-based foams, comprising a mixture of 1,1,1,2,3,3,3-heptafluoropropane in combination with one or more hydrocarbons or partially halogenated alkanes. In one aspect of the invention the hydrocarbon adjuvant is selected from the group consisting of propane, butane, isobutane, n-pentane, i-pentane, neopentane, n-hexane, 2-methylpentane, 3-methylpentane and 2,2-dimethylbutane. In another aspect of the invention the halogenated alkane is selected from the group consisting of ethyl chloride, 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123), 1,1-dichloro-l-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b), 2-chloro-1,1,1,2 -tetrafluoroethane (HCFC-124), 3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca), 1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,2,2,3-pentafluoropropane (HFC-245ca), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), and 1,2,3,3-pentafluoropropane (HFC-245ea).
    • 用于可发泡塑料如聚苯乙烯,聚氯乙烯,聚乙烯和其它非多异氰酸酯基泡沫的发泡剂,其包含1,1,1,2,3,3,3-七氟丙烷与一种或多种烃的混合物 或部分卤代烷烃。 在本发明的一个方面,烃助剂选自丙烷,丁烷,异丁烷,正戊烷,异戊烷,新戊烷,正己烷,2-甲基戊烷,3-甲基戊烷和2,2-二甲基丁烷。 在本发明的另一方面,卤代烷烃选自氯乙烷,2,2-二氯-1,1,1-三氟乙烷(HCFC-123),1,1-二氯-1-氟乙烷(HCFC- 141b),1-氯-1,1-二氟乙烷(HCFC-142b),2-氯-1,1,1,2-四氟乙烷(HCFC-124),3,3-二氯-1,1,1,2 ,2-五氟丙烷(HCFC-225ca),1,3-二氯-1,1,2,2,3-五氟丙烷(HCFC-225cb),1,1-二氟乙烷(HFC-152a),1,1,1- 三氟乙烷(HFC-143a),1,1,1,2-四氟乙烷(HFC-134a),1,1,2,2-四氟乙烷(HFC-134),1,1,2,2,3-五氟丙烷 -245ca),1,1,1,2,3,3-六氟丙烷(HFC-236ea)和1,2,3,3-五氟丙烷(HFC-245ea)。
    • 9. 发明授权
    • Hydrofluorocarbon compositions as blowing agents for cellular plastics
    • 氢氟烃组合物作为泡沫塑料的发泡剂
    • US5278196A
    • 1994-01-11
    • US37029
    • 1993-03-25
    • Mark L. RobinYuichi IikuboW. Douglas RegisterRichard S. Rose
    • Mark L. RobinYuichi IikuboW. Douglas RegisterRichard S. Rose
    • C08J9/14
    • C08J9/144C08J9/149Y10S264/05Y10S521/91
    • Blowing agents for use in foamable plastics such as polystyrene, polyvinyl chloride, polyethylene and other non-polyisocyanate-based foams, comprising a mixture of 1,1,1,2,3,3,3-heptafluoropropane in combination with one or more hydrocarbons or partially halogenated alkanes. In one aspect of the invention the hydrocarbon adjuvant is selected from the group consisting of propane, butane, isobutane, n-pentane, i-pentane, neopentane, n-hexane, 2-methylpentane, 3-methylpentane and 2,2-dimethylbutane. In another aspect of the invention the halogenated alkane is selected from the group consisting of ethyl chloride, 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123), 1,1-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b), 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124), 3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca), 1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,2,2,3-pentafluoropropane (HFC-245ca), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), and 1,1,2,3,3-pentafluoropropane (HFC-245ea).
    • 用于可发泡塑料如聚苯乙烯,聚氯乙烯,聚乙烯和其它非多异氰酸酯基泡沫的发泡剂,其包含1,1,1,2,3,3,3-七氟丙烷与一种或多种烃的混合物 或部分卤代烷烃。 在本发明的一个方面,烃助剂选自丙烷,丁烷,异丁烷,正戊烷,异戊烷,新戊烷,正己烷,2-甲基戊烷,3-甲基戊烷和2,2-二甲基丁烷。 在本发明的另一方面,卤代烷烃选自氯乙烷,2,2-二氯-1,1,1-三氟乙烷(HCFC-123),1,1-二氯-1-氟乙烷(HCFC- 141b),1-氯-1,1-二氟乙烷(HCFC-142b),2-氯-1,1,1,2-四氟乙烷(HCFC-124),3,3-二氯-1,1,1,2 ,2-五氟丙烷(HCFC-225ca),1,3-二氯-1,1,2,2,3-五氟丙烷(HCFC-225cb),1,1-二氟乙烷(HFC-152a),1,1,1- 三氟乙烷(HFC-143a),1,1,1,2-四氟乙烷(HFC-134a),1,1,2,2-四氟乙烷(HFC-134),1,1,2,2,3-五氟丙烷 -245ca),1,1,1,2,3,3-六氟丙烷(HFC-236ea)和1,1,2,3,3-五氟丙烷(HFC-245ea)。