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    "> Preparation of 1-chloro-2,2-difluoroethane (
    31.
    发明公开
    Preparation of 1-chloro-2,2-difluoroethane ("142") 审中-公开
    Herstellung von 1-Chlor-2,2-difluorethan（“142”）

    公开(公告)号：EP1008574A1

    公开(公告)日：2000-06-14

    申请号：EP99309816.9

    申请日：1999-12-07

    Applicant: ELF ATOCHEM NORTH AMERICA, INC.

    Inventor： Chen, Bin ,  Bolmer, Michael S.

    IPC: C07C17/10 ,  C07C19/12

    CPC classification number: C07C17/21 ,  C07C19/12

    Abstract: A process for the preparation of 1-chloro-2,2-difluoroethane ("142") wherein 1,2-dichloroethene ("1130") is fluorinated in the gas phase in the presence of a catalyst which is a supported or unsupported fluorinated salt of one or more of chromium, iron, niobium, nickel, antimony, tin, tantalum or titanium. 142 is a known foam blowing agent.

    Abstract translation: 一种制备1-氯-2,2-二氟乙烷（“142”）的方法，其中1,2-二氯乙烯（“1130”）在催化剂存在下在气相中氟化，所述催化剂是负载或未负载的氟化 铬，铁，铌，镍，锑，锡，钽或钛中的一种或多种的盐。 142是已知的泡沫发泡剂。

    Preparation of 1,1,1,3-tetrafluoropropene( 1234ze )
    33.
    发明公开
    Preparation of 1,1,1,3-tetrafluoropropene( 1234ze ) 有权
    Herstellung von 1,1,1,3-四氟丙烯（1234ze）

    公开(公告)号：EP0974571A2

    公开(公告)日：2000-01-26

    申请号：EP99305781.9

    申请日：1999-07-21

    Applicant: ELF ATOCHEM NORTH AMERICA, INC.

    Inventor： Elsheikh, Maher Yousef ,  Fellenger, Paul David

    IPC: C07C17/25

    CPC classification number: C07C17/25 ,  C07C21/18

    Abstract: Disclosed is a process for the preparation of cis/trans 1,1,1,3-tetrafluoro-2-propene (1234 ze) which comprises (a) contacting 1,1,1,3,3-pentafluoropropane (245fa) with an alkaline solution, preferably an aqueous or alcoholic solution of a base such as KOH, NaOH, Ca(OH) 2 or Mg(OH) 2 , or with a chromium-based catalyst, such as fluorided Cr 2 O 3 or fluorided Cr/Ni/Alf 3 , and (b) recovering cis/trans 1,1,1,3-tetrafluoro-2-propene from the reaction mixture.

    Abstract translation: 公开了一种制备顺式/反式1,1,1,3-四氟-2-丙烯（1234 ze）的方法，其包括（a）使1,1,1,3,3-五氟丙烷（245fa）与 碱性溶液，优选碱如KOH，NaOH，Ca（OH）2或Mg（OH）2的水溶液或醇溶液，或与铬基催化剂如氟化Cr 2 O 3或氟化Cr / Ni / Alf 3， 和（b）从反应混合物中回收顺/反1,1,1,3-四氟-2-丙烯。

    Organotin catalysts, their manufacture and use
    37.
    发明公开
    Organotin catalysts, their manufacture and use 失效
    有机生物催化剂，Herstellung und Verwendung

    公开(公告)号：EP0890576A2

    公开(公告)日：1999-01-13

    申请号：EP98305074.1

    申请日：1998-06-26

    Applicant: ELF ATOCHEM NORTH AMERICA, INC.

    Inventor： Seshadri, Sri Ram ,  Honnick, William David ,  Gitlitz, Melvin Hyman

    IPC: C07F7/22 ,  C08F10/00

    CPC classification number: C08G18/246 ,  C07F7/2256 ,  C08G18/24 ,  C08G18/242 ,  C08G18/8077 ,  C08K5/57 ,  C08L83/04

    Abstract: Dual cure organotin salts of strong organic acids, the use of such salts as catalysts and an improved process for producing the catalysts are provided. The catalysts are capable of effectively catalyzing esterification and transesterification reactions and urethane, silicone, melamine, ester and acrylic forming reactions and can simultaneously catalyze more than one reaction in a mixture of urethane, silicone, amino, ester and acrylic polymer forming reactants to produce a polymer mixture.

    Abstract translation: 提供强有机酸的双重固化有机锡盐，使用这些盐作为催化剂和改进的催化剂生产方法。 催化剂能够有效地催化酯化和酯交换反应以及氨基甲酸酯，硅氧烷，三聚氰胺，酯和丙烯酸形成反应，并且可以同时催化聚氨酯，硅氧烷，氨基，酯和丙烯酸聚合物形成反应物的混合物中的多于一种反应，产生 聚合物混合物。

    Vehicles for paints and varnishes formulated with vinylidene fluoride-hexafluoropropylene copolymers
    39.
    发明公开
    Vehicles for paints and varnishes formulated with vinylidene fluoride-hexafluoropropylene copolymers 失效
    乙烯基氟化物六氟丙烯共聚物

    公开(公告)号：EP0857769A1

    公开(公告)日：1998-08-12

    申请号：EP98300879.8

    申请日：1998-02-06

    Applicant: ELF ATOCHEM NORTH AMERICA, INC.

    Inventor： Gaboury, Scott R. ,  Iezzi, Robert A.

    IPC: C09D127/16

    CPC classification number: C09D127/16 ,  C08L33/00 ,  C08L2666/04

    Abstract: A paint base comprising a vinylidene fluoride-hexafluoropropylene copolymer having one or more discrete vinylidene fluoride-hexafluoropropylene copolymer domains and one or more discrete vinylidene fluoride homopolymer domains including a major portion of vinylidene fluoride homopolymer domain which contains at least 50% of the vinylidene fluoride content of the polymers, paints and varnishes therefrom, coatings derived from said paints and varnishes and articles coated with said coatings are disclosed. The coatings have improved gloss, flex, crack resistance and other use properties.

    Abstract translation: 一种涂料基底，其包含具有一个或多个离散偏二氟乙烯 - 六氟丙烯共聚物区域的一个偏氟乙烯 - 六氟丙烯共聚物和一个或多个离散的偏二氟乙烯均聚物区域，该区域包含偏二氟乙烯均聚物区域的主要部分，其含有至少50％的偏二氟乙烯含量 的聚合物，油漆和清漆，公开了所述涂料和清漆以及涂覆有所述涂层的制品。 涂层具有改善的光泽度，抗弯曲性，抗裂性和其他使用性能。

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