Tin salts of dimercaptoethyl formal, related compounds and PVC resins
stabilized therewith
    3.
    发明授权
    Tin salts of dimercaptoethyl formal, related compounds and PVC resins stabilized therewith 失效
    二巯基乙基甲缩醛的锡盐,相关化合物和用其稳定的PVC树脂

    公开(公告)号:US4122065A

    公开(公告)日:1978-10-24

    申请号:US863754

    申请日:1977-12-23

    IPC分类号: C07F7/22 C08K5/58

    摘要: Tin salts formed by the reaction between di-lower alkyl or diaryl tin oxides, and dimercaptoethyl formal and similar dimercapto compounds are disclosed. The final products are useful as ultraviolet light stabilizers for poly(vinyl chloride) resins and for the articles produced therefrom.

    摘要翻译: 公开了通过二低级烷基或二芳基氧化锡和二巯基乙基甲醛和类似的二巯基化合物之间的反应形成的锡盐。 最终产品可用作聚(氯乙烯)树脂的紫外光稳定剂和由其生产的制品。

    Aryl amine terminated polysulfide polymers, related compounds and
processes for their preparation
    6.
    发明授权
    Aryl amine terminated polysulfide polymers, related compounds and processes for their preparation 失效
    芳胺封端的多硫化物聚合物,相关化合物及其制备方法

    公开(公告)号:US4238585A

    公开(公告)日:1980-12-09

    申请号:US66214

    申请日:1979-08-10

    CPC分类号: C08G75/14 C08G18/6453

    摘要: Fully and partially aryl amine terminated polysulfide polymers and processes for their preparation and use are disclosed. The fully aryl amine terminated products are curable with isocyanates to high molecular weight polymers and are thus useful in molding and casting as well as in sealants. The partially aryl amine terminated polymers may be further reacted with polyisocyanates to form thiol terminated polysulfide polymers containing urea chain segments. These compounds are curable in the fashion of standard polysulfide polymers to form firmer polymers. The partially aryl amine terminated polymers may be also chain extended with isocyanate terminated urethane prepolymers. These block copolymers may be cured by standard SH terminated polysulfide polymer cure methods to prepare sealants of exceptional resiliency and weather resistance.

    摘要翻译: 公开了全部和部分芳基胺封端的多硫化物聚合物及其制备和使用方法。 完全芳基胺封端的产物可用异氰酸酯固化成高分子量聚合物,因此可用于模塑和铸造以及密封剂。 部分芳基胺封端的聚合物可以进一步与多异氰酸酯反应以形成含有尿素链段的硫醇封端的聚硫化物聚合物。 这些化合物可以标准多硫化物聚合物的方式固化,形成更坚固的聚合物。 部分芳基胺封端的聚合物也可以用异氰酸酯封端的氨基甲酸酯预聚物链延伸。 这些嵌段共聚物可以通过标准的SH封端的多硫化物聚合物固化方法固化,以制备出异常弹性和耐候性的密封剂。

    Cured polysulfide polymers suitable for hot melt applications
    7.
    发明授权
    Cured polysulfide polymers suitable for hot melt applications 失效
    适用于热熔应用的固化多硫化物聚合物

    公开(公告)号:US4192941A

    公开(公告)日:1980-03-11

    申请号:US913630

    申请日:1978-06-08

    CPC分类号: C08G75/14 C08L81/04

    摘要: Inclusion of an effective amount of substantially anhydrous acetic acid in a zinc oxide cured liquid polysulfide polymer based composition results in a cured composition which is suitable for extrusion under heat and pressure and which on cooling reverts to a rubbery solid with essentially unchanged physical properties. The compositions are useful for the manufacture of sealants and extrudible goods such as hoses.

    摘要翻译: 将有效量的基本上无水的乙酸包含在基于氧化锌固化的液体多硫化物聚合物基础的组合物中导致固化的组合物,其适合于在热和压力下挤出,并且其在冷却时回复到具有基本上不变的物理性质的橡胶状固体。 该组合物可用于制造密封剂和诸如软管的可挤出物品。

    Process for producing halogen-terminated polysulfide polymers
    9.
    发明授权
    Process for producing halogen-terminated polysulfide polymers 失效
    制备卤素封端的多硫化物聚合物的方法

    公开(公告)号:US4124645A

    公开(公告)日:1978-11-07

    申请号:US837116

    申请日:1977-09-28

    摘要: High molecular weight polysulfide polymers are produced by a novel process using polythiodiglycol, polymerizing it with an acid catalyst and with means for removing the water of reaction to make a medium molecular weight halogen-terminated polymer. The resultant halogen-terminated polymer may then be reacted with sodium polysulfide to form a latex dispersion of very high molecular weight. The dispersion may then be converted to --SH terminated polymers by the usual methods.

    摘要翻译: 通过使用聚硫二甘醇的新方法制备高分子量多硫化物聚合物,用酸催化剂将其聚合,并且除去反应水以形成中等分子量的卤素封端的聚合物的方法。 然后可以使得到的卤素封端的聚合物与多硫化钠反应以形成非常高分子量的胶乳分散体。 然后通过常规方法将分散体转化为-SH封端的聚合物。

    Aryl amine terminated polysulfide polymers, related compounds and
processes for their preparation
    10.
    发明授权
    Aryl amine terminated polysulfide polymers, related compounds and processes for their preparation 失效
    芳胺封端的多硫化物聚合物,相关化合物及其制备方法

    公开(公告)号:US4376193A

    公开(公告)日:1983-03-08

    申请号:US114438

    申请日:1980-01-22

    IPC分类号: C08G18/64 C08G75/14 C08G18/38

    CPC分类号: C08G75/14 C08G18/6453

    摘要: Fully and partially aryl amine terminated polysulfide polymers and processes for their preparation and use are disclosed. The fully aryl amine terminated products are curable with isocyanates to high molecular weight polymers and are thus useful in molding and casting as well as in sealants. The partially aryl amine terminated polymers may be further reacted with polyisocyanates to form thiol terminated polysulfide polymers containing urea chain segments. These compounds are curable in the fashion of standard polysulfide polymers to form firmer polymers. The partially aryl amine terminated polymers may be also chain extended with isocyanate terminated urethane prepolymers. These block copolymers may be cured by standard SH terminated polysulfide polymer cure methods to prepare sealants of exceptional resiliency and weather resistance.

    摘要翻译: 公开了全部和部分芳基胺封端的多硫化物聚合物及其制备和使用方法。 完全芳基胺封端的产物可用异氰酸酯固化成高分子量聚合物,因此可用于模塑和铸造以及密封剂。 部分芳基胺封端的聚合物可以进一步与多异氰酸酯反应以形成含有尿素链段的硫醇封端的聚硫化物聚合物。 这些化合物可以标准多硫化物聚合物的方式固化,形成更坚固的聚合物。 部分芳基胺封端的聚合物也可以用异氰酸酯封端的氨基甲酸酯预聚物链延伸。 这些嵌段共聚物可以通过标准的SH封端的多硫化物聚合物固化方法固化,以制备出异常弹性和耐候性的密封剂。