1 and China patent zl97121971.4: invented an amorphous calcium aluminate accelerator, which consists of sodium sulfate hydrate and molybdenum hydroxide.
2. China patent ZL20 10700 14859.0: A formula of cement additive containing amorphous calcium aluminate was invented, which can accelerate the solidification of cement and improve the early strength.
3. U.S. Pat.No. US5423830A: An amorphous calcium aluminate accelerator was invented, which consists of a mixture of calcium sulfide and porphyrin silicate.
4. China patent CN 107388683A: A modified amorphous calcium aluminate accelerator is invented, which consists of barium chloride, cesium chloride and rubidium chloride, and can improve the early strength of cement.