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1. 发明授权

US4255318A Fire-retardant putty-like compositions 失效
标题翻译：阻燃油灰组合物
公开(公告)号：US4255318A
公开(公告)日：1981-03-10
申请号：US58334
申请日：1979-07-17
申请人： Tamotsu Kaide , Toshikazu Gozen , Jinichi Taniguchi , Yutaka Ohta
发明人： Tamotsu Kaide , Toshikazu Gozen , Jinichi Taniguchi , Yutaka Ohta
IPC分类号： C08K3/22 , C09D5/34 , C08K7/14
CPC分类号： C09D5/34 , C08K3/22 , Y10S260/24
摘要： A composition for filling the spaces in bores penetrating walls and floors of buildings and having electric wires and cables extending therethrough or for filling the clearances at the joints of interior finishing materials of buildings. The composition comprises (a) 100 parts by weight of a curable polychloroprene in a liquid state at room temperature, (b) about 200 to about 700 parts by weight of a hydrated metallic oxide, and (c) about 20 to about 100 parts by weight of a heat-resistant fibrous material. The components (b) and (c) are contained in a combined amount of at least about 250 parts by weight per 100 parts by weight of the component (a). The composition will not soften, sag or drip in molten drops even when subjected to the high-temperature conditions of a fire, and gives a tough residual product retaining the original shape when burned and ashed, effectively preventing the spread of fire and assuring outstanding smoketightness.
摘要翻译：用于填充穿过建筑物的墙壁和地板的孔中的空间的组合物，并且具有延伸穿过其中的电线和电缆或用于填充建筑物内部装饰材料的接合处的间隙。组合物包含（a）100重量份在室温下为液态的可固化聚氯丁二烯，（b）约200至约700重量份的水合金属氧化物，和（c）约20至约100重量份耐热纤维材料的重量。组分（b）和（c）以每100重量份组分（a）至少约250重量份的总量含有。即使遭受火灾高温条件下，组合物也不会软化，下垂或滴落在熔融液滴中，并且在烧焦和灰化时产生保持原始形状的坚硬残留物，有效防止火势蔓延并确保优异的烟雾度。

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