A composition for preparing ceramic fiber and a biosoluble ceramic fiber prepared therefrom for heat insulating material at high temperature

The present invention relates to a composition for preparing ceramic fiber and a biosoluble ceramic fiber prepared therefrom for heat insulating material at high temperature, more specifically, a composition for preparing ceramic fiber comprising SiO 2 as a network-forming oxide, CaO and MgO as modifier oxides, and ZrO 2 , Al 2 O 3 and B 2 O 3 as intermediate oxides with appropriate ratios, which improves the solubility of the ceramic fiber in artificial body fluid; shows good thermal/mechanical properties such as heart resistance, high-temperature viscosity, compressive strength and restoration when used at a high temperature of 1260 degrees; and provides an economic effect that a ceramic fiber can be prepared easily by using the existing facilities, and a biosoluble ceramic fiber prepared therefrom for heat insulating material at high temperature. 本发明涉及制备陶瓷纤维的组合物以及由其制备的用于高温热绝缘材料的生物可溶性陶瓷纤维，更具体地，涉及制备陶瓷纤维的组合物以及由其制备的用于高温热绝缘材料的生物可溶性陶瓷纤维，所述组合物包括适当比例的作为网络形成氧化物的SiO，作为改性剂氧化物的CaO和MgO，以及作为中间氧化物的ZrO、AlO和BO，其改进了陶瓷纤维在人造体