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75 条记录 (耗时 0.009 秒)

    Recovery of polymer from dispersion in water
    52.
    发明授权
    Recovery of polymer from dispersion in water 失效
    聚合物从水中分散回收

    公开(公告)号：US3553186A

    公开(公告)日：1971-01-05

    申请号：US3553186D

    申请日：1968-01-05

    申请人： BAYER AG

    发明人： SCHNORING HILDEGARD ,  CLASSE WILLY ,  HEINE DIEZ ,  NORDT HERBERT ,  KREUTZER KARL-HEINZ

    IPC分类号： C08C2/06 ,  C08F10/00 ,  C08J3/14 ,  C08D5/00 ,  C08D5/04

    CPC分类号： C08J3/14 ,  C08C2/06 ,  C08F10/00 ,  Y10S528/931 ,  C08F2/38

    摘要： POLYMERS SUCH AS OLEFIN POLYMERS ARE RECOVERED FROM SOLUTION IN VOLATILE HYDROCARBON OR HALOGENATED HYDROCARBON LIKE TOLUENE OR CARBON TETRACHLORIDE, BY DISPERSING THE SOLUTION IN A LIQUID LIKE WATER WHICH IS SUBSTANTIALLY IMMISICIBLE WITH THE SOLVENT AND WITH THE POLYMER AND THEN INTRODUCING THE DISPERSION INTO A BODY OF HEATED LIQUID LIKE WATER KEPT AT A TEMPERATURE THAT CAUSES THE SOLVENT TO RAPIDLY VAPORIZE OFF. RECOVERY OF VAPORIZED SOLVENT IS EXCELLENT AND POLYMER IS ALSO EASILY SEPARATED OUT FROM THE HEATED BODY OF LIQUID. STREAMS OF STEAM CAN BE INTRODUCED INTO THE BODY OF LIQUID AROUND THE INTRODUCED DISPERSION. THE PROCESS CAN BE CARRIED OUT ON A CONTINUOUS BASIS USING STREAMS OF THE LIQUIDS AND SOLUTION, WITHOUT MUCH DANGER OF CLOGGING THE SOLUTION-INTRODUCING MEANS.

    Separation of ethylene copolymer elastomers from their solvent solutions
    53.
    发明授权
    Separation of ethylene copolymer elastomers from their solvent solutions 失效
    乙烯共聚物弹性体从其溶剂溶液中的分离

    公开(公告)号：US3553156A

    公开(公告)日：1971-01-05

    申请号：US3553156D

    申请日：1966-12-15

    申请人： DU PONT

    发明人： ANOLICK COLIN ,  GOFFINET EDWARD PETER JR

    IPC分类号： C08F6/12 ,  B01D43/00 ,  C08D5/00

    CPC分类号： C08F6/12 ,  Y10S159/10

    摘要： SEPARATION OF SULFUR-CURABLE ETHYLENE COPOLYMER ELASTOMERS (E.G., ETHYLENE, PROPYLENE, 1,4-HEXADIENE COPOLYMERS) FROM THEIR SOLUTIONS IN SOLVENTS (E.G., HEXANE) BY HEATING UNDER PRESSURE TO A POINT WHERE TWO LIQUID PHASES FORM, THE BOTTOM PHASE CONTAINING MOST ALL THE ELASTOMER, DECANTING THE BOTTOM PHASE AND FLASHING OFF THE SOLVENT THEREFROM TO ISOLATE SOLVENT-FREE ELASTOMER. BLACK CAN BE INCORPORATED BY MIXING INTO SOLUTION BEFORE DECANTATION. IF PROCESSING OIL IS TO BE INCLUDED, IT IS MIXED IN AFTER DECANTATION BUT BEFORE FLASHING, WHEREAS IF BOTH BLACK AND OIL ARE TO BE INCLUDED, THEY ARE MIXED IN BEFORE DECANTATION.

    Thermosplastic elastomeric materials
    57.
    发明授权
    Thermosplastic elastomeric materials 失效
    热塑性弹性材料

    公开(公告)号：US3935176A

    公开(公告)日：1976-01-27

    申请号：US178549

    申请日：1971-09-08

    申请人： John Richard Hawkins ,  John Michael Locke

    发明人： John Richard Hawkins ,  John Michael Locke

    IPC分类号： C08C19/02 ,  C08D5/00 ,  C08D3/08 ,  C08D3/12

    CPC分类号： C08C19/02

    摘要： A thermoplastic elastomeric material comprising a hydrogenated copolymer of a conjugated diene characterised in that the copolymer before hydrogenation is a random copolymer of 70 to 99 mole % of at least one conjugated diene and 30 to 1 mole % of at least one vinyl aromatic compound, is of number average molecular weight of at least 100,000, and has a vinyl content of at most 40 mole % based on total monomers, and in that the copolymer is hydrogenated to an extent such that the mole percentage saturation is in the range 40 to 90%.

    摘要翻译： 一种包含共轭二烯的氢化共聚物的热塑性弹性体材料，其特征在于氢化之前的共聚物是70-99摩尔％的至少一种共轭二烯和30-1摩尔％的至少一种乙烯基芳族化合物的无规共聚物是 的数均分子量为至少100,000，并且基于总单体具有至多40摩尔％的乙烯基含量，并且所述共聚物被氢化至使摩尔百分比饱和度在40至90％范围内的程度， 。

    Process for removing solvent from emulsions of polymeric solutions
    59.
    发明授权
    Process for removing solvent from emulsions of polymeric solutions 失效
    从聚合物溶液的乳液中除去溶剂的方法

    公开(公告)号：US3808166A

    公开(公告)日：1974-04-30

    申请号：US13482171

    申请日：1971-04-16

    申请人： SNAM PROGETTI

    发明人： BRUZZONE M ,  CORRADINI G ,  FUGA V

    IPC分类号： B01J20/22 ,  C08J3/07 ,  B01D15/08 ,  C08D5/00

    CPC分类号： B01J20/22 ,  C08J3/07

    摘要： A PROCESS IS DISCLOSED FOR PREPARING A POLYMERIC LATEX FROM AN AQUEOUS EMULSION OF A SOLUTION OF A POLYMER WHEREIN THE EMULSION IS BROUGHT INTO CONTACT WITH A SOLID SUCH AS CURED AND CROSS-LINK 1,4,-CIS-POLYBUTADIENE IN A FORM WHICH PROVIDES A HIGH SURFACE/VOLUME RATIO SO THAT THE SOLVENT FOR THE POLYMER IS ADSORBED BY THE SOLID WHICH IS THEN REMOVED FROM THE RESULTING LATEX. THE PROCESS IS CARRIED OUT AT A TEMPERATURE WHICH IS BELOW THE BOILING POINT OF THE SOLVENT FOR THE POLYMER AND THE SOLID USED AS AN ADSORBENT IS COMPATIBLE WITH, BUT INSOLUBLE IN, THE SOLVENT FOR THE POLYMER AND IS INCOMPATIBLE WITH THAT POLYMER.

    Purification of olefin polymers
    60.
    发明授权
    Purification of olefin polymers 失效
    烯烃聚合物的纯化

    公开(公告)号：US3803113A

    公开(公告)日：1974-04-09

    申请号：US25227972

    申请日：1972-05-11

    申请人： CO FR DE RAFFINAGE

    发明人： GLUNTZ C ,  MEYER P

    IPC分类号： C08C2/04 ,  C08F6/02 ,  C08D5/00 ,  C08D5/02

    CPC分类号： C08F6/02 ,  C08C2/04

    摘要： IN ORDWR TO ELIMINATE EVEN TRACES OF METALLIC AND/OR ACIDIC EITHER ACTUAL ACIDS OR LEWIS ACIDS IMPURITIES FROM HIGH MOLECULAR WEIGHT OLEFINIC OR DIOLEFINIC POLYMERS WHICH HAVE BEEN CATALYTICALLY POLYNERIZED USING AS A CATALYST SYSTEM A ZIEGLER-TYPE CATALYST AND WHICH CATALYSTS INTRODUCE METALLIC OR ACIDIC IMPURITIES, A SOLUTION OF THE IMPURE POLYMERS IS TREATED WITH ONE OF A VARIETY OF HYDROCARBON POLYMER MATERIALS HAVING DISTRIBUTED ALONG THE CHAINS THEREOF FUNCTIONAL GROUPS WHICH ARE LEWIS BASES (FOR EXAMPLE, ETHERS, THIOETHERS, TERTIARY AMINES, TERTIARY PHOSPHIDES, SIMPLE OR MULTIPLE HETEROCYCLIC MATERIALS CONTAINING OXYGEN, SULFUR, AND/OR NITROGEN ATOMS WITH ALL VALENCES SATURATED BY CARBON, ETC.) UNTIL THE IMPURITIES HAVE BEEB RETAINED (CHEMICALLY OR OTHERWISEE) BY THE LEWIS BASE MOIETY CONTAINING POLYMER ATERIAL, THE LEWIS BASE POLYMER MATERIAL IS THEN SEPARATED FROM THE PURIFIED POLYMER PRODUCT AND REGENERATED FOR TREATING THE ZIEGLER TYPE CATALYST CONTAINING POLYMER.