Hydrated calcium sillicate products专利检索-水化硅酸钙速凝剂水泥添加剂水泥水硬性胶凝材料粘合剂建筑材料专利检索查询-专利查询网

Hydrated calcium sillicate products

阅读：144发布：2020-12-07

专利汇可以提供Hydrated calcium sillicate products专利检索，专利查询，专利分析的服务。并且A process is described for the formation of shaped hydrated calcium silicate products. The process comprises reacting a concentrated aqueous slurry of calcium oxide and silica sources in the presence of high pressure saturated steam, then simultaneously cooling and diluting the resultant crystalcontaining slurry by gradual addition of water. Reinforcing fibers may then be added after which the desired shapes are molded and dried.，下面是Hydrated calcium sillicate products专利的具体信息内容。

权利要求

2. The process of claim 1 wherein said shaped objects also contain fibrous material incorporated into said concentrated slurry.

3. The process of claim 2 wherein said fibrous material comprises asbestos fibers.

4. The process of claim 1 wherein said shaped objects also contain fibrous material incorporated into the dilute slurry following removal of the dilute slurry from said vessel and prior to forming and drying of said shaped objects.

5. The process of claim 4 wherein said fibrous material is glass fiber.

6. The process of claim 4 wherein said fibrous material is rayon.

7. The process of claim 1 wherein said saturated steam is maintained during formation of said crystals at a pressure in the range of 75-500 psig.

8. The process of claim 7 wherein said saturated steam is maintained at a pressure in the range of 100-250 psig.

9. The process of claim 1 wherein the crystal formation step is continued for a period of time in the range of 0.5-20 hours.

10. The process of claim 9 wherein the crystal formation step is continued for a period of time in the range of 2-8 hours.

11. The process of claim 1 wherein said concentrated slurry has a water:solids weight ratio in the range of 4:1 to 6.5:1.

12. The process of claim 1 wherein said diluted slurry has a water:solids weight ratio in the range of 12:1 to 20:1.

13. The process of claim 1 wherein the mole ratio of calcium oxide to silica in said concentrated slurry is in the range of 0.5:1 to 3.0:1.

14. The process of claim 13 wherein said mole ratio is in the range of 0.75:1 to 2.0:1.

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