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    PROCESS FOR PREPARING A THERMALLY REACTIVE PRESSURE-SENSITIVE ADHESIVE
    2.
    发明申请
    PROCESS FOR PREPARING A THERMALLY REACTIVE PRESSURE-SENSITIVE ADHESIVE 有权
    制备热敏感应敏感胶粘剂的方法

    公开(公告)号：US20100160569A1

    公开(公告)日：2010-06-24

    申请号：US12643703

    申请日：2009-12-21

    Applicant: Andreas MEIER ,  Matthias SEIBERT ,  Sabine THORMEIER ,  Karsten SEITZ

    Inventor： Andreas MEIER ,  Matthias SEIBERT ,  Sabine THORMEIER ,  Karsten SEITZ

    IPC: C09J107/00

    CPC classification number: C08J3/243 ,  C08J3/203 ,  C08J2307/00 ,  C08J2321/00 ,  C08L61/00 ,  C08L2666/16 ,  C09J121/00

    Abstract: The in-line repair operations in the automotive industry require high-temperature masking tapes which satisfy a particular profile of requirements. Hence such masking tapes must be temperature-stable and must have a high crosslinking potential. Masking tapes employed are tapes coated with thermally crosslinking natural rubber (NR) adhesives which have a crosslinker resin/phenolic resin component.Thermally reactive pressure-sensitive adhesives of this kind are prepared by a process comprising a non-thermoplastic rubber constituent of the pressure-sensitive adhesive and a crosslinker system, the crosslinker system comprising a promoter component and as crosslinking component a reactive phenolic resin, where, in the process, the rubber constituent and a first component of the crosslinker system are mixed homogeneously in a mixing assembly, at a first processing temperature of the mixing assembly, to give a premix, a premix temperature being established in the premix; subsequently the premix is cooled from the premix temperature to a final composition temperature which is lower than the first premix temperature; and lastly the second component of the crosslinker system is added to the premix.

    Abstract translation: 汽车行业的在线维修操作需要满足特定要求特征的高温遮蔽胶带。 因此，这种遮蔽胶带必须是温度稳定的并且必须具有高的交联电位。 使用的掩模带是涂覆有具有交联树脂/酚醛树脂组分的热交联天然橡胶（NR）粘合剂的带。 这种热反应性压敏粘合剂通过包括压敏粘合剂的非热塑性橡胶组分和交联剂体系的方法制备，交联剂体系包含助催化剂组分和作为反应性酚醛树脂的交联组分， 在该方法中，将橡胶组分和交联剂体系的第一组分均匀混合在混合组件的混合组件的第一处理温度下，得到预混物，在预混物中建立预混合温度; 随后将预混物从预混合温度冷却至低于第一预混温度的最终组成温度; 并且最后将交联剂体系的第二组分加入到预混物中。

    Process for preparing a thermally reactive pressure-sensitive adhesive
    5.
    发明授权
    Process for preparing a thermally reactive pressure-sensitive adhesive 有权
    制备热反应性压敏粘合剂的方法

    公开(公告)号：US08680178B2

    公开(公告)日：2014-03-25

    申请号：US12643703

    申请日：2009-12-21

    Applicant: Andreas Meier ,  Matthias Seibert ,  Sabine Thormeier ,  Karsten Seitz

    Inventor： Andreas Meier ,  Matthias Seibert ,  Sabine Thormeier ,  Karsten Seitz

    IPC: C08J3/00 ,  B05D5/10

    CPC classification number: C08J3/243 ,  C08J3/203 ,  C08J2307/00 ,  C08J2321/00 ,  C08L61/00 ,  C08L2666/16 ,  C09J121/00

    Abstract: The in-line repair operations in the automotive industry require high-temperature masking tapes which satisfy a particular profile of requirements. Hence such masking tapes must be temperature-stable and must have a high crosslinking potential. Masking tapes employed are tapes coated with thermally crosslinking natural rubber (NR) adhesives which have a crosslinker resin/phenolic resin component.Thermally reactive pressure-sensitive adhesives of this kind are prepared by a process comprising a non-thermoplastic rubber constituent of the pressure-sensitive adhesive and a crosslinker system, the crosslinker system comprising a promoter component and as crosslinking component a reactive phenolic resin, where, in the process, the rubber constituent and a first component of the crosslinker system are mixed homogeneously in a mixing assembly, at a first processing temperature of the mixing assembly, to give a premix, a premix temperature being established in the premix; subsequently the premix is cooled from the premix temperature to a final composition temperature which is lower than the first premix temperature; and lastly the second component of the crosslinker system is added to the premix.

    Abstract translation: 汽车行业的在线维修操作需要满足特定要求特征的高温遮蔽胶带。 因此，这种遮蔽胶带必须是温度稳定的并且必须具有高的交联电位。 使用的掩模带是涂覆有具有交联树脂/酚醛树脂组分的热交联天然橡胶（NR）粘合剂的带。 这种热反应性压敏粘合剂通过包括压敏粘合剂的非热塑性橡胶组分和交联剂体系的方法制备，交联剂体系包含助催化剂组分和作为反应性酚醛树脂的交联组分， 在该方法中，将橡胶组分和交联剂体系的第一组分均匀混合在混合组件中，在混合组件的第一处理温度下，得到预混合物，在预混物中建立预混温度; 随后将预混物从预混合温度冷却至低于第一预混温度的最终组成温度; 并且最后将交联剂体系的第二组分加入到预混物中。

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