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Study on the effect of catalyst on the mechanical properties of silicate modified polyurethane grouting material
Bai Guangfeng1,2,3
1. Mining Materials Branch, Coal Science and Technology Research Institute Company, Beijing 100013, China;
2. State Key Laboratory of High Efficient Mining and Clean Utilization of Coal Resources, Beijing 100013, China;
3. National Energy Technology and Equipment Laboratory of Coal Utilization and Emission Control, Beijing 100013, China


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