首页>
外国专利>
SETTING RETARDER FOR BACKING INJECTION MATERIAL, SETTING RETARDANT FLUID FOR BACKING INJECTION MATERIAL, BACKING INJECTION MATERIAL AND BACKING INJECTION TECHNIQUE
SETTING RETARDER FOR BACKING INJECTION MATERIAL, SETTING RETARDANT FLUID FOR BACKING INJECTION MATERIAL, BACKING INJECTION MATERIAL AND BACKING INJECTION TECHNIQUE
展开▼
机译:设置背衬材料的缓凝剂,设置背衬材料的缓释液,背衬材料和背衬注射技术
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To suppress a change of the fluid A comprising a backing injection material with the lapse of time, in particular a change of the flowability or viscosity, to enable use over a long period of time and to improve bleeding resistance. ;SOLUTION: The setting retarder for a backing injection material is based on an amylolysis product contg. ≥40 wt.%, preferably ≥60 wt.%, particularly preferably ≥80 wt.% maltose. The backing injection material contains 100 pts.wt. cement, 5-60 pts.wt. clay mineral and 0.9-6 pts.wt. the setting retarder. The fluid A comprising the backing injection material is sent under pressure, mixed with the fluid B comprising primarily water glass and hardened.;COPYRIGHT: (C)2000,JPO
展开▼