Azeotrope-like compositions and their use
    3.
    发明授权
    Azeotrope-like compositions and their use 有权
    类似共沸物的组合物及其用途

    公开(公告)号:US06426327B1

    公开(公告)日:2002-07-30

    申请号:US09783359

    申请日:2001-02-14

    Abstract: The invention provides azeotrope-like compositions consisting essentially of RfOCH3, where Rf is a branched or straight chain perfluoroalkyl group having 4 carbon atoms, and one or more organic solvent(s) selected from the group consisting of: straight chain, branched chain and cyclic alkanes containing 6 to 8 carbon atoms; cyclic and acyclic ethers containing 4 to 6 carbon atoms; ketones having 3 carbon atoms; chlorinated alkanes containing 1, 3 or 4 carbon atoms; chlorinated alkenes containing 2 carbon atoms, alcohols containing 1 to 4 carbon atoms, partially fluorinated alcohols containing 2 to 3 carbon atoms, 1-bromopropane, acetonitrile, HCFC 225ca (1,1,-dichloro-2,2,3,3,3 pentafluoropropane and HCFC-225cb (1,3-dichloro-1,1,2,2,3-pentafluoropropane).

    Abstract translation: 本发明提供了基本上由RfOCH 3组成的类共沸组合物,其中Rf是具有4个碳原子的支链或直链全氟烷基,以及一种或多种选自直链,支链和环状的有机溶剂 含有6-8个碳原子的烷烃; 含有4-6个碳原子的环状和非环状醚; 具有3个碳原子的酮; 含有1,3或4个碳原子的氯代烷烃; 含有2个碳原子的氯化烯烃,含有1至4个碳原子的醇,含2-3个碳原子的部分氟化醇,1-溴丙烷,乙腈,HCFC 225ca(1,1,1-二氯-2,2,3,3,3 五氟丙烷和HCFC-225cb(1,3-二氯-1,1,2,2,3-五氟丙烷)。

    Foamable composition containing unsaturated perfluorochemical blowing
agent
    6.
    发明授权
    Foamable composition containing unsaturated perfluorochemical blowing agent 失效
    含不饱和全氟化合物发泡剂的可发泡组合物

    公开(公告)号:US5539008A

    公开(公告)日:1996-07-23

    申请号:US174826

    申请日:1993-12-29

    CPC classification number: C08J9/148 C08J9/143 C08J9/149

    Abstract: Foamable compositions comprise (a) at least one normally liquid, unsaturated perfluorochemical blowing agent compound selected from the group consisting of perfluoroolefin compounds, e.g., perfluoro(4-methylpent-2-ene), perfluoroaromatic compounds, e.g., hexafluorobenzene, and perfluorocycloolefin compounds, e.g., perfluorocyclohexene, the perfluoroolefin compounds optionally containing one or more catenary heteroatoms; and (b) at least one foamable polymer or the precursors of at least one foamable polymer. The compositions are useful in preparing polymeric, e.g., polyurethane, foams.

    Abstract translation: 可发泡组合物包含(a)至少一种通常为液体的不饱和全氟化合物发泡剂化合物,其选自全氟烯烃化合物,例如全氟(4-甲基戊-2-烯),全氟芳族化合物如六氟苯和全氟环烃化合物, 例如全氟环己烯,任选地含有一个或多个链状杂原子的全氟烯烃化合物; 和(b)至少一种可发泡聚合物或至少一种可发泡聚合物的前体。 该组合物可用于制备聚合物,例如聚氨酯泡沫。

    Fine-celled plastic foam containing fluorochemical blowing agent
    7.
    发明授权
    Fine-celled plastic foam containing fluorochemical blowing agent 失效
    包含氟化学发泡剂的精细塑料泡沫

    公开(公告)号:US5211873A

    公开(公告)日:1993-05-18

    申请号:US918207

    申请日:1992-07-21

    CPC classification number: C08J9/149 C08J2375/04 Y10S516/01

    Abstract: A blowing agent emulsion comprising a blowing agent mixture, such that the mixture comprises (1) one or more low boiling, hydrochlorocarbons, (2) one or more low boiling chlorine-free perfluorinated compound, and (3) optionally, one or more low boiling, hydrochlorofluorocarbons, one or more low boiling, hydrofluorocarbons, one or more low boiling hydrocarbons, or mixtures thereof; a foamable polymerizable reaction mixture, and a fluorochemical surfactant, optionally, a silicone surfactant, and a catalyst; a foamed plastic; and a process for making thereof.

    Abstract translation: 一种发泡剂乳液,其包含发泡剂混合物,使得所述混合物包含(1)一种或多种低沸点氢氯烃,(2)一种或多种低沸点无氯全氟化合物,和(3)任选的一种或多种低 沸腾的氢氯氟烃,一种或多种低沸点氢氟烃,一种或多种低沸点烃或其混合物; 可发泡聚合反应混合物和含氟表面活性剂,任选的硅氧烷表面活性剂和催化剂; 泡沫塑料; 及其制造方法。

    POLYMERIC FOAMS INCLUDING FLUORINATED OXIRANES, METHODS OF PREPARATION, AND USE OF SAME
    8.
    发明申请
    POLYMERIC FOAMS INCLUDING FLUORINATED OXIRANES, METHODS OF PREPARATION, AND USE OF SAME 审中-公开
    包含氟化物的聚合物,其制备方法和使用方法

    公开(公告)号:US20140058003A1

    公开(公告)日:2014-02-27

    申请号:US14112595

    申请日:2012-04-10

    Abstract: Foamable compositions are provided that include at least one blowing agent, at least one foamable polymer or a precursor composition thereof, and a nucleating agent. The nucleating agent includes a fluorinated oxirane which, in some embodiments, can have up to a maximum of three hydrogen atoms. The fluorinated oxiranes can have a total of from about 2 to about 12 carbon atoms. Also provided is a process for preparing a polymeric foam and a composition that includes a blowing agent and a nucleating agent comprising a fluorinated oxirane.

    Abstract translation: 提供了可发泡组合物,其包括至少一种发泡剂,至少一种可发泡聚合物或其前体组合物和成核剂。 成核剂包括氟化环氧乙烷,其在一些实施方案中可以具有最多三个氢原子。 氟化环氧乙烷可以具有总共约2至约12个碳原子。 还提供了一种制备聚合物泡沫的方法和包含发泡剂和包含氟化环氧乙烷的成核剂的组合物。

    Preparation of polymeric foams using hydrofluoroether nucleating agents
    10.
    发明授权
    Preparation of polymeric foams using hydrofluoroether nucleating agents 有权
    使用氢氟醚成核剂制备聚合物泡沫

    公开(公告)号:US07763578B2

    公开(公告)日:2010-07-27

    申请号:US11268908

    申请日:2005-11-08

    Abstract: Use of high boiling hydrofluoroethers as nucleating agents in the production of a polymeric foam, in particular in the production of polyurethane foams and phenolic foams. Also, blowing agent compositions and foamable compositions comprising one or more high boiling hydrofluoroether nucleating agents and foams made using such blowing agent compositions and foamable compositions.

    Abstract translation: 在生产聚合物泡沫体中,特别是生产聚氨酯泡沫和酚醛泡沫时,使用高沸点氢氟醚作为成核剂。 此外,发泡剂组合物和可发泡组合物包含一种或多种高沸点氢氟醚成核剂和使用这种发泡剂组合物和可发泡组合物制成的泡沫。

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