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    Diphosphinic acid esters and process for making same
    2.
    发明授权
    Diphosphinic acid esters and process for making same 失效
    二膦酸酯及其制备方法

    公开(公告)号：US3875263A

    公开(公告)日：1975-04-01

    申请号：US38074373

    申请日：1973-07-19

    Applicant: HOECHST AG

    Inventor： HERWIG WALTER ,  KLEINER HANS-JERG

    IPC: C08L67/00 ,  B01J31/00 ,  C07B61/00 ,  C07F9/32 ,  C08G63/692 ,  C08G79/00 ,  C08G79/02 ,  C08G79/04 ,  C08K5/00 ,  C08K5/53 ,  C07F9/46

    CPC classification number: C08G79/04 ,  C07F9/3235 ,  C07F9/3264 ,  C08G63/692

    Abstract: WHEREIN R represents saturated, open-chain alkylene having from 1 to 15 carbon atoms, phenylene, biphenylene or phenylalkylene, R1 and R2 represent alkyl or cycloalkyl groups, as well as phenyl or benzyl and R3 represents saturated, open-chain alkylene and n is from 1 to 30, are described as well as suitable processes for the preparation of the di-phosphinic acid ester named and their use for flame-proofing polyesters.

    Di-phosphinic acid esters of the formula

    Abstract translation: 式WHEREIN R的二次膦酸酯代表具有1至15个碳原子的饱和的开链亚烷基，亚苯基，亚联苯基或苯基亚烷基，R 1和R 2表示烷基或环烷基，以及苯基或苄基，R 3表示饱和 ，开链亚烷基和n为1至30，以及用于制备所述二次膦酸酯的合适方法及其用于阻燃聚酯的用途。

    Precipitation polymerization of {60 -methylstyrene
    3.
    发明授权
    Precipitation polymerization of {60 -methylstyrene 失效
    {60-甲基苯乙烯的降解聚合

    公开(公告)号：US3687924A

    公开(公告)日：1972-08-29

    申请号：US3687924D

    申请日：1969-12-05

    Applicant: HOECHST AG

    Inventor： SCHOTT HERBERT ,  HERWIG WALTER ,  SOMMER SIEGFRIED

    IPC: C08F2/04 ,  C08F12/12 ,  C08F7/02 ,  C08F1/11

    CPC classification number: C08F12/12 ,  C08F2/38 ,  C08F2/42

    Abstract: The present invention relates to a process for precipitation polymerization of Alpha -methylstyrene in a hydrocarbon medium in which poly- Alpha -methylstyrene is insoluble or only little soluble. The polymerization is initiated by a finely divided alkali metal which is used together with certain phosphoric acid amides or ethers or mixtures thereof as polymerization accelerators.

    Abstract translation: 本发明涉及α-甲基苯乙烯在其中聚-α-甲基苯乙烯不溶或很少溶解的烃介质中的沉淀聚合方法。 聚合是由细分的碱金属引发的，该碱金属与某些磷酸酰胺或其醚或其混合物一起用作聚合促进剂。

    Transparent polyamides from 1,3-bis-(aminomethyl)cyclohexane
    7.
    发明授权
    Transparent polyamides from 1,3-bis-(aminomethyl)cyclohexane 失效
    1,3-BIS-（氨基甲基）环己烷的透明多胺

    公开(公告)号：US3875120A

    公开(公告)日：1975-04-01

    申请号：US36341573

    申请日：1973-05-24

    Applicant: HOECHST AG

    Inventor： BRINKMANN LUDWIG ,  HERWIG WALTER

    IPC: C08G69/00 ,  C08G69/26 ,  C08G20/20

    CPC classification number: C08G69/265

    Abstract: There are disclosed and claimed novel polyamides characterized by a high transparency together with good mechanical and electrical properties, and especially suitable for the preparation of articles by injection moulding. The polyamides of the invention are prepared by known polycondensation methods from mixtures of 1.3-bis-(aminomethyl)-cyclohexane, optionally partially replaced by 1.4-bis-(aminomethyl)-cyclohexane, and at least one straight-chain aliphatic diamine, and mixtures of at least one aromatic dicarboxylic acid and at least one aliphatic saturated dicarboxylic acid.

    Thermoplastic polyester moulding compositions containing phosphorus compounds
    8.
    发明授权
    Thermoplastic polyester moulding compositions containing phosphorus compounds 失效
    包含磷化合物的热塑性聚酯模塑组合物

    公开(公告)号：US3637898A

    公开(公告)日：1972-01-25

    申请号：US3637898D

    申请日：1970-06-24

    Applicant: HOECHST AG

    Inventor： HERWIG WALTER ,  UEBE RUDOLF

    IPC: C08K5/53 ,  C08G39/04

    CPC classification number: C08K5/53 ,  C08L67/02

    Abstract: THERMOPLASTIC COMPOSITIONS HAVING EXCELLENT INJECTION MOULDING PROPERTIES ARE OBTAINED FROM LINEAR SATURATED POLYESTERS AND ALKALI METAL SALTS OF ORGANIC PHOSPHONIC ACIDS, THE MONOESTERS THEREOF, OF ORGANIC PHOSPHONOUS ACIDS OR OF ORGANIC PHOSPHINIC ACIDS, THE ORGANIC RADICALS BEING SATURATED OR UNSATURATED ALKYL, CYCLOALKYL, ARYL, OR ARALYKYL GROUPS HAVING UP TO 15 CARBON ATOMS.

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