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首页> 外国专利> REPAIRING MATERIAL FOR CRACK AND DAMAGE OF ASPHALT AND CEMENT CONCRETE ROAD PARTIALLY REPARING METHOD AND ASPHALT CONCRETE OVERLAY METHOD USING THE SAME

REPAIRING MATERIAL FOR CRACK AND DAMAGE OF ASPHALT AND CEMENT CONCRETE ROAD PARTIALLY REPARING METHOD AND ASPHALT CONCRETE OVERLAY METHOD USING THE SAME

机译：沥青和水泥混凝土路面裂缝和破坏的修复材料部分修复方法和使用相同方法的沥青混凝土覆盖方法

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摘要

The present invention relates to a repairing material for cracks, potholes and expansion joints of asphalt and concrete, the repairing material containing a maleic acid grafted styrene-butadiene-styrene triblock copolymer, and an overlaying method of asphalt and concrete using the repairing material. More specifically, the present invention discloses a repairing material for cracks and damages of asphalt and cement concrete roads, and a partial repairing method or a method of overlaying a jointed concrete pavement with an asphalt concrete using the repairing material, wherein the repairing material satisfies a rutting resistance-exhibiting high softening point, a low penetration degree, a restoration ratio to the original state, excellent dispersibility with a filler, good interfacial adhesion with aggregates, and compatibility with asphalt by using a binder comprising 2 to 8 wt% of a styrene-butadiene-styrene block copolymer to which maleic acid is grafted at a graft ratio of 1 to 7 wt%, 8 to 24 wt% of a styrene-butadiene-styrene triblock copolymer, 8 to 25 wt% of a styrene-isoprene-styrene triblock copolymer, 4 to 15 wt% of ethylene-vinyl acetate, 8 to 20 wt% of rosin ester, 8 to 20 wt% of a plasticizer, 4 to 15 wt% of a polyolefin-based thermoplastic elastomer, and 0.2 to 1.4 wt% of a durability improving agent including a hindered phenol-based antioxidant and an amine-based UV stabilizer.
机译：本发明涉及沥青和混凝土的裂缝，坑洞和伸缩缝的修补材料，该修补材料包含马来酸接枝的苯乙烯-丁二烯-苯乙烯三嵌段共聚物，以及使用该修补材料覆盖沥青和混凝土的方法。更具体地，本发明公开了一种用于沥青和水泥混凝土道路的裂缝和损伤的修补材料，以及使用该修补材料的部分修补方法或用沥青混凝土覆盖接缝混凝土路面的方法。通过使用包含2至8重量％的苯乙烯的粘合剂，表现出高耐车辙性，低软化点，低渗透度，至原始状态的恢复率，与填料的优异分散性，与骨料的良好界面粘合性以及与沥青的相容性-以1至7重量％的接枝率接枝马来酸的-丁二烯-苯乙烯嵌段共聚物，苯乙烯-丁二烯-苯乙烯三嵌段共聚物的8至24重量％，苯乙烯-异戊二烯-苯乙烯的8至25重量％三嵌段共聚物，4至15 wt％的乙烯-乙酸乙烯酯，8至20 wt％的松香酯，8至20 wt％的增塑剂，4至15 wt％的聚烯烃基热塑性弹性体和0.2至1.4 wt％ ％的耐久性改进剂，包括受阻酚基抗氧化剂和胺基UV稳定剂。

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