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Invention Grant
CN102648263B 传动带的聚脲-聚氨酯线处理和皮带 有权

传动带的聚脲-聚氨酯线处理和皮带
Abstract:
具有埋置在弹性本体中的张力线的皮带，其具有聚脲－聚氨酯粘结剂组合物浸渍线并涂覆纤维。该组合物是聚氨酯预聚物与二胺固化剂或水的反应产物。该预聚物是紧凑型的对称的二异氰酸酯和聚酯、聚醚或聚碳酸酯多元醇的反应产物。皮带本体可以为铸塑聚氨酯、硫化的橡胶或热塑性弹性体。线可以具有粘结剂罩面层。
Abstract(English):

A belt with a tensile cord embedded in an elastomeric body, having a polyureaurethane adhesive composition impregnating the cord and coating the fibers. The composition is reaction product of a polyurethane prepolymer and a curative. The prepolymer is a reaction product of a compact, symmetric diisocyanate and a polyester, polyether, or polycarbonate polyol. The belt body may be of cast polyurethane, vulcanized rubber, or thermoplastic elastomer. The cord may have an adhesive overcoat.

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