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8 条记录 (耗时 0.017 秒)

    Process for the manufacture of cellular plastics from polyamides
    1.
    发明授权
    Process for the manufacture of cellular plastics from polyamides 失效
    从聚氨酯制造细胞塑料的方法

    公开(公告)号：US3770669A

    公开(公告)日：1973-11-06

    申请号：US3770669D

    申请日：1972-04-14

    申请人： HOECHST AG

    发明人： BRINKMANN L ,  HERWIG W ,  RESKE E ,  CHERDRON H

    IPC分类号： C08G69/48 ,  C08J9/02 ,  C08J9/04 ,  C08G53/08

    CPC分类号： C08J9/04 ,  C08G69/48 ,  C08J9/02 ,  C08J2377/00

    摘要： THERE IS DISCLOSED AND CLAIMED A PROCESS FOR THE PRODUCTION OF CELLULAR PLASTICS FROM POLYAMIDES, WHICH EXHIBIT MELTING RANGES NEAR TO OR ABOVE THEIR DECOMPOSITION TEMPERATURES OR POOR OR NO SOLUBILITY AT ALL IN SOLVENTS OR WHICH EXHIBIT BOTH OF THESE PROPERTIES AT THE SAME TIME, THE PROCESS WHICH COMPRISES PROCESSING POLYAMIDES CARRYING SUBSTITUENTS AT THE AMIDE NITROGEN, FROM THE MELT OR FROM THE SOLUTION AND SPLITTING-OFF PARTIALLY OR TOTALLY THE N-SUBSTITUENTS TO YIELD CELLULAR PLASTICS BY THE FOAMING ACTION OF THE UNSATURATED COMPOUNDS WHICH ORIGINATE FROM THE N-SUBSTITUENTS DURING THE SPLITTING-OFF PROCESS. THIS FOAMING ACTION IS AUGMENTED BY ADDITIONALLY USING FOAMING OR EXPANDING AGENTS AND/OR REDUCING THE PRESSURE DURING THE SPLITTING-OFF PROCESS.

    Crystal-clear thermoplastic moulding compositions of linear polyester and styrene-acrylonitrilic copolymer mixtures
    2.
    发明授权
    Crystal-clear thermoplastic moulding compositions of linear polyester and styrene-acrylonitrilic copolymer mixtures 失效
    线性聚酯和苯乙烯 - 丙烯腈共聚物混合物的晶体 - 透明热塑性成型组合物

    公开(公告)号：US3787530A

    公开(公告)日：1974-01-22

    申请号：US3787530D

    申请日：1972-02-28

    申请人： HOECHST AG

    发明人： BOHN L ,  CHERDRON H ,  FLEISSNER M ,  HERWIG W

    IPC分类号： C08L25/12 ,  C08L67/02 ,  C08G39/10

    CPC分类号： C08L25/12 ,  C08L67/02 ,  C08L2666/14 ,  C08L25/00

    摘要： CRYSTAL-CLEAR THERMOPLASTIC MOULDING COMPOSITIONS CONSISTING OF A MIXTURE OF LINEAR SATURATED POLYESTERS, THE DIOL COMPONENT OF WHICH CONSISTS OF ETHYLENE GLYCOL AND A DIOL OF THE FORMULA HO-CH2-CR1R2-CH2-OH, WHEREIN R1 REPRESENTS A HYDROGEN ATOM OR A LINEAR OR BRANCHED ALIPHATIC RADICAL HAVING UP TO 4 CARBON ATOMS, AND R2 REPRESENTS A LINEAR OR BRANCHED ALIPHATIC RADICAL HAVING UP TO 4 CARBON ATOMS, AND OF A STYRENE/ACRYLONITRILE COPOLYMER. FROM THESE CRYSTAL-CLEAR THERMOPLASTIC MOULDING COMPOSITIONS, SHAPED ARTICLES HAVING A HIGH TRANSPARENCY AND A HIGH GLOSS CAN BE MANUFACTURED, IN PARTICULAR ACCORDING TO THE INJECTION-MOULDING PROCESS. OWING TO THEIR GOOD MOULD RELEASE PROPERTIES, THEIR EXCELLENT DIMENSIONAL STABILITY, AS WELL AS THEIR HIGH IMPACT STRENGTH, TOGETHER WITH FAVOURABLE HARDNESS VALUES, THE MOULDING COMPOSITIONS ARE PARTICULARLY SUITABLE FOR THE MANUFACTURE OF HIGH-QUALITY SHAPED ARTICLES.

    Block copolyesters consisting essentially of linear saturated polyester and polystyrene-butadiene units
    3.
    发明授权
    Block copolyesters consisting essentially of linear saturated polyester and polystyrene-butadiene units 失效
    基于线性饱和聚酯和聚苯乙烯 - 丁二烯单元的嵌段共聚物

    公开(公告)号：US3723574A

    公开(公告)日：1973-03-27

    申请号：US3723574D

    申请日：1971-01-22

    申请人： HOECHST AG

    发明人： BRINKMANN L ,  HERWIG W

    IPC分类号： C08G63/52 ,  C08G39/10

    CPC分类号： C08G63/52

    摘要： Thermoplastic block copolyesters comprising linear saturated polyesters and polystyrene-butadiene units which can be moulded into shaped articles having a high dimensional stability, impact strength and bending strength.

    摘要翻译： 包括线性饱和聚酯和聚苯乙烯 - 丁二烯单元的热塑性嵌段共聚酯，其可以模塑成具有高尺寸稳定性，冲击强度和弯曲强度的成型制品。

    Salts of polycarboxylic acids as nucleating agents in polyesters
    7.
    发明授权
    Salts of polycarboxylic acids as nucleating agents in polyesters 失效
    聚碳酸酯作为聚酯中的核苷酸的作用

    公开(公告)号：US3761450A

    公开(公告)日：1973-09-25

    申请号：US3761450D

    申请日：1972-07-03

    申请人： HOECHST AG

    发明人： HERWIG W ,  FREUND G

    IPC分类号： C08K5/098 ,  C08G39/04

    CPC分类号： C08K5/098 ,  C08L67/02

    摘要： MOLDING COMPOSITIONS BASED ON LINEAR SATURATED POLYESTERS AND THE LITHIUM AND/OR SODIUM SALTS OF POLYCARBOXYLIC ACIDS, WHICH MOLDING COMPOSITIONS MAY BE WORKED UP IN THE THERMOPLASTIC STATE AND FROM WHICH MOLDED ARTICLES HAVING A HIGH DIMENSIONAL STABILITY CAN BE MADE. IN THE MANUFACTURE OF MOLDED ARTICLES, ALREADY SMALL AMOUNTS OF THE SAID SALTS BRING ABOUT A HIGH CRYSTALLINITY IN THE HEATED MOLD AFTER A SHORT TIME.

    Thermoplastic molding compositions based on saturated polyesters
    8.
    发明授权
    Thermoplastic molding compositions based on saturated polyesters 失效
    基于饱和聚酯的热塑性成型组合物

    公开(公告)号：US3741936A

    公开(公告)日：1973-06-26

    申请号：US3741936D

    申请日：1972-01-06

    申请人： HOECHST AG

    发明人： HERWIG W ,  UEBE R ,  FREUND G

    IPC分类号： C08K3/00 ,  C08K5/42 ,  C08G39/04

    CPC分类号： C08K5/42 ,  C08K3/013 ,  C08L67/02

    摘要： THE PRESENT INVENTION PROVIDES A MOLDING COMPOSITION WHICH COMPRISES A LINEAR SATURATED POLYESTER, AN INORGANIC SOLID MATERIAL HAVING A PARTICLE SIZE OF LESS THAN 5 MICRONS AND AN ALKALI METAL PARAFFIN SULFONATE OR AN ALKALI METAL OLEFIN SULFONATE CONTAINING 8 TO 30 CARBON ATOMS, WHICH MOLDINGG COMPOSITION CAN BE WORKED UP IN THE THERMOPLASTIC RANGE AND FROM WHICH MOLDED ARTICLES ARE OBTAINED WHICH CAN VERY EASILY BE REMOVED FROM THE MOLD AND WHICH HAVE A VERY GOOD QUALITY OF THE SURFACE.