Hydrophilic double-component grouting plugging material
A leakage plugging material and two-component technology, applied in the field of high-performance hydrophilic polyurethane/water glass two-component grouting plugging material and its preparation, can solve the problem of insufficient curing time, poor stability of consolidated body, and adjustable The problem of small range, etc., to achieve the effect of efficient water blocking and water blocking performance, fast gel speed, and improving water blocking efficiency.
Active Publication Date: 2015-04-29
JIANGSU SOBUTE NEW MATERIALS
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The invention relates to a hydrophilic double-component grouting plugging material. The hydrophilic double-component grouting plugging material comprises a component A and a component B with a grouting volume ratio of 1: 1-5, wherein the component A comprises the following substances in parts by weight: 100 parts of polyether polyol, 10-50 parts of a plasticizer, 20-60 parts of isocyanate, 0.05-0.3 part of a catalyst, 20-60 parts of a solvent and 0.01-0.05 part of a retarder; the component B comprises the following substances in parts by weight: 100 parts of sodium silicate, 2-5 parts of a cross-linking agent and 0.5-2 parts of a catalyst. The plugging material related to the invention also has the characteristics of environment protection, no pollution, low cost and high dynamic strength besides the properties of great grouting capability, high gelatinizing speed, large water containing quantity and rapid and efficient seepage-proof plugging. The grouting plugging material is suitable for the grouting plugging of various buildings, such as ponds, water towers and basements, and the grouting plugging engineering of various ports, docks, bridge piers, dams and hydropower station curtains.
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