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    • 4. 发明申请
    • Solid polyurethane compositions, infrastucture repair and geo-stabilization processes
    • 固体聚氨酯组合物,基础设施修复和地质稳定过程
    • US20070093602A1
    • 2007-04-26
    • US11583532
    • 2006-10-19
    • James Thompson-ColonJay JohnstonAshok SarpeshkarJohn Hodel
    • James Thompson-ColonJay JohnstonAshok SarpeshkarJohn Hodel
    • C08F8/30
    • E02D35/00C04B26/16C04B2111/00724C08G2101/0008C08G2101/0016C08G2101/0083C09K8/44E02D3/12E02D37/00E04G23/024C04B12/04C04B38/00
    • The present invention provides processes for infrastructure repairs and geo-stabilization with a low-exotherm polyurethane foam, grout or elastomer. The inventive process involves at least partially filling a cavity in the infrastructure or earth with a low-exotherm polyurethane foam, grout or elastomer made from at least one polyisocyanate, at least one isocyanate-reactive compound and an organic particulate material capable of absorbing heat, optionally in the presence of one or more chosen from water, surfactants, pigments, catalysts, alkali silicates and fillers and curing the polyurethane foam, grout or elastomer. The inventive processes may improve the repair of buildings, foundations, roads, bridges, highways, sidewalks, tunnels, manholes, sewers, sewage treatment systems, water treatment systems, reservoirs, canals, irrigation ditches, etc.; and in the geo-stabilization of mines, caves, wells, bore-holes, ditches, trenches, pits, cracks, fissures, craters, postholes, potholes, sinkholes, wallows, waterholes and the like. The inventive solid polyurethane compositions are made from at least one polyisocyanate, at least one isocyanate-reactive compound, and an organic particulate material capable of absorbing heat, optionally one or more chosen from water, surfactants, pigments, catalysts and fillers. Such solid polyurethane compositions may improve reaction injection molding (RIM), spray elastomer and cast molding processes.
    • 本发明提供了用低放热聚氨酯泡沫,水泥浆或弹性体进行基础设施维修和地质稳定的方法。 本发明的方法涉及至少部分地填充基础设施或地球中的空腔,其中使用由至少一种多异氰酸酯,至少一种异氰酸酯反应性化合物和能够吸收热量的有机颗粒材料制成的低放热聚氨酯泡沫,浆料或弹性体, 任选地在一种或多种选自水,表面活性剂,颜料,催化剂,碱性硅酸盐和填料的存在下,并固化聚氨酯泡沫,浆料或弹性体。 本发明的方法可以改善建筑物,地基,道路,桥梁,公路,人行道,隧道,人孔,下水道,污水处理系统,水处理系统,水库,运河,灌溉沟渠等的修复; 矿山,洞穴,沟渠,沟渠,沟渠,坑洞,裂缝,裂缝,陨石坑,柱孔,坑洼,沉陷坑,洼地,水坑等地质稳定。 本发明的固体聚氨酯组合物由至少一种多异氰酸酯,至少一种异氰酸酯反应性化合物和能够吸收热量的有机颗粒材料制成,任选地一种或多种选自水,表面活性剂,颜料,催化剂和填料。 这种固体聚氨酯组合物可以改进反应注射成型(RIM),喷射弹性体和浇铸成型工艺。
    • 5. 发明申请
    • Infrastructure repair and geo-stabilization processes
    • 基础设施维修和地理稳定程序
    • US20070093566A1
    • 2007-04-26
    • US11257226
    • 2005-10-24
    • James Thompson-ColonJack JennyKenneth Sumner
    • James Thompson-ColonJack JennyKenneth Sumner
    • C08G18/00
    • E02D35/00C04B2111/00724C04B2111/00732C08G18/4072C08G18/409C08G18/657C08G2101/0008C08G2101/0016C08G2101/0083C09K8/44E02D3/12E02D37/00E04G23/024
    • The present invention provides processes for infrastructure repairs and geo-stabilization with a low-exotherm polyurethane foam, grout or elastomer. The inventive process involves at least partially filling a cavity in the infrastructure or earth with a low-exotherm polyurethane foam, grout or elastomer made from at least one polyisocyanate, at least one isocyanate-reactive compound and an organic particulate material capable of absorbing heat, optionally in the presence of one or more chosen from water, surfactants, pigments, catalysts, alkali silicates and fillers and curing the polyurethane foam, grout or elastomer. The inventive processes may improve the repair of buildings, foundations, roads, bridges, highways, sidewalks, tunnels, manholes, sewers, sewage treatment systems, water treatment systems, reservoirs, canals, irrigation ditches, etc.; and in the geo-stabilization of mines, caves, wells, bore-holes, ditches, trenches, pits, cracks, fissures, craters, postholes, potholes, sinkholes, wallows, waterholes and the like.
    • 本发明提供了用低放热聚氨酯泡沫,水泥浆或弹性体进行基础设施维修和地质稳定的方法。 本发明的方法涉及至少部分地填充基础设施或地球中的空腔,其中使用由至少一种多异氰酸酯,至少一种异氰酸酯反应性化合物和能够吸收热量的有机颗粒材料制成的低放热聚氨酯泡沫,浆料或弹性体, 任选地在一种或多种选自水,表面活性剂,颜料,催化剂,碱性硅酸盐和填料的存在下,并固化聚氨酯泡沫,浆料或弹性体。 本发明的方法可以改善建筑物,地基,道路,桥梁,公路,人行道,隧道,人孔,下水道,污水处理系统,水处理系统,水库,运河,灌溉沟渠等的修复; 矿山,洞穴,沟渠,沟渠,沟渠,坑洞,裂缝,裂缝,陨石坑,柱孔,坑洼,沉陷坑,洼地,水坑等地质稳定。