The present invention addresses the problem of providing a pretreatment agent for vulcanized rubber, which is used for treating the surface of the vulcanized rubber before application of an adhesive to the vulcanized rubber, and which exhibits excellent adhesiveness after curing. This pretreatment agent for vulcanized rubber is an adhesion pretreatment agent for vulcanized rubber, which contains a nonionic surfactant, water and an organic solvent, and is characterized in that the nonionic surfactant is a compound represented by formula (1) and having an HLB value of 4.5-10.5, and the organic solvent is a compound represented by formula (2). The content of the nonionic surfactant is 0.5-30% by mass. HO-(R11-O) n-R12 (1) (In the formula, R11 represents-CH2-CH2-,-CH (CH3)-CH2-, or-CH2-CH (CH3)-. And R12 represents an aliphatic hydrocarbon group. And n represents an integer of 1 or more. R21R22N-CO-R23 (2) R21, R22, and R23 each represent a hydrogen atom or a substituent group. R21 or R22 may be bonded to R23 to form a ring.

    本发明的课题是提供在硫化橡胶涂布粘接剂前用于对其表面进行处理的处理剂,并且固化后的粘接剂显示优异的粘接性的硫化橡胶用前处理剂。本发明的硫化橡胶用前处理剂是下述硫化橡胶用粘接前处理剂,其含有非离子系表面活性剂、水和有机溶剂,上述非离子系表面活性剂为HLB值为4.5以上且10.5以下且由式(1)表示的化合物,上述有机溶剂为式(2)所示的化合物,上述非离子系表面活性剂的含量为0.5~30质量%。HO‑(R11‑O)n‑R12(1)R11表示‑CH2‑CH2‑、‑CH(CH3)‑CH2‑、或‑CH2‑CH(CH3)‑。R12表示脂肪族烃基。n表示1以上的整数。R21R22N‑CO‑R23(2)R21、R22和R23表示氢原子或取代基。R21或R22可以与R23彼此结合而形成环。


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    Titel :

    Adhesive pretreatment agent for vulcanized rubber


    Weitere Titelangaben:

    硫化橡胶用粘接前处理剂


    Beteiligte:
    OKAMATSU TAKAHIRO (Autor:in) / AKIYAMA HISAE (Autor:in)

    Erscheinungsdatum :

    2023-08-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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