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    • 4. 发明申请
    • ANTI-SNAKING SWELLABLE WATER-STOPS
    • 防震水龙头
    • WO2015061012A1
    • 2015-04-30
    • PCT/US2014/058597
    • 2014-10-01
    • W. R. GRACE & CO.-CONN.
    • DE RUIJTER, Michel, J.GEUDENS, Pascal, A.KEMPENAERS, Peter, J.
    • E04B1/68
    • E04B1/6806E04B2001/6818
    • The invention provides an aqueously-swellable water stop having an elongate body formed by shaping or extruding a composition mixture comprising water swelling fillers and/or polymers (e.g. Bentonite, super absorbent polymers, hydrophilic polymers), at least one elastomer or polymer, and preferably at least one plasticizer, the composition mixture when formed into an elongate water stop body having a Shore A hardness (durometer) of less than 35 and more preferably in the range of 5-35 (measured at 21°C). The water stop body has at least one major face and a layer of pressure-sensitive adhesive attached to the face for bonding to a concrete substrate. The water stop of the invention does not require use of rigid metal and hard plastic inner cores as in prior water stop designs, and avoids curling and snaking that would allow concrete poured against the water stop to invade between the first substrate and the water stop body, and thereby providing full bonding between the water stop and thus protecting against leakage through concrete construction joints.
    • 本发明提供了一种具有细长体的伸长体,该细长体通过成形或挤出包含水膨胀填料和/或聚合物(例如膨润土,超吸收性聚合物,亲水性聚合物),至少一种弹性体或聚合物,优选地 至少一种增塑剂,当形成具有小于35的肖氏A硬度(硬度),更优选在5-35(在21℃下测量))的细长止水体时,该组合物混合物。 止水体具有至少一个主面和一层粘合剂粘合到混凝土基底上的压敏粘合剂。 本发明的止水器不需要像现有的止水装置那样使用刚性金属和硬质塑料内芯,并且避免了卷曲和蛇纹,这将允许混凝土浇注在防水塞上侵入第一基底和止水体之间 ,从而在水停止之间提供完全粘合,从而防止通过混凝土结构接头渗漏。