Thiuram accelerator systems with blocked isocyanates
    2.
    发明授权
    Thiuram accelerator systems with blocked isocyanates 失效
    具有封闭异氰酸酯的秋兰姆加速器系统

    公开(公告)号:US3894996A

    公开(公告)日:1975-07-15

    申请号:US37350473

    申请日:1973-06-25

    Inventor: SRAIL RAYMOND C

    CPC classification number: C08K5/39 C08K3/06 C08K3/22 C08K5/29 C08L21/00

    Abstract: Improved accelerator systems comprising a thiuram compound and an amine-blocked diisocyanate are provided for vulcanization of polymers. These accelerator systems are stable during processing, thereby minimizing scorch of the polymer, but at vulcanization temperature provide very rapid cures.

    Abstract translation: 提供包含秋兰姆化合物和胺封端二异氰酸酯的改进的加速剂体系用于聚合物的硫化。 这些加速器系统在加工过程中是稳定的,从而使聚合物的焦烧最小化,但是在硫化温度下提供非常快速的固化。

    Delayed action vulcanization accelerator system
    3.
    发明授权
    Delayed action vulcanization accelerator system 失效
    延迟行动升压加速系统

    公开(公告)号:US3692719A

    公开(公告)日:1972-09-19

    申请号:US3692719D

    申请日:1970-12-10

    CPC classification number: C08K5/0025 Y10S524/925 C08L21/00

    Abstract: A USEFUL DELAYED ACTION VULCANIZATION ACCELERATOR SYSTEM IS OBTAINED WHEN POLYTHIOCARBONATES AND AMINE- OR IMINE-BLOCKED ISOCYANATES ARE INCORPORATED IN UNSATURATED RUBBER COMPOSITIONS. THESE ACCELERATOR SYSTEMS HAVE THE ADVANTAGE OF BEING STABLE DURING PROCESSING THEREFORE MINIMIZING SCORCH OF THE RUBBER BUT UPON INCREASING THE TEMPERATURE FOR VULCANIZATION THE ACCELERATOR IS FORMED SO THAT VERY RAPID CURES ARE ACHIEVED.

    Benzothiazole accelerator systems
    4.
    发明授权
    Benzothiazole accelerator systems 失效
    苯并噻唑加速剂体系

    公开(公告)号:US3880787A

    公开(公告)日:1975-04-29

    申请号:US34274773

    申请日:1973-03-19

    Inventor: SRAIL RAYMOND C

    CPC classification number: C08K5/47 C08K5/34 C08L21/00

    Abstract: Improved accelerator systems comprising a benzothiazole accelerator and an amine-blocked diisocyanate are provided for vulcanization of polymers. These accelerator systems are stable during processing, thereby minimizing scorch of the polymer, but at vulcanization temperatures provide very rapid cures.

    Abstract translation: 提供包含苯并噻唑促进剂和胺封端二异氰酸酯的改进的促进剂体系用于聚合物的硫化。 这些加速器系统在加工过程中是稳定的,从而最小化聚合物的焦烧,但是在硫化温度下提供非常快速的固化。

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