Heat insulation safety material and preparation method thereof

The invention discloses a thermal insulation safety material and a preparation method thereof, the thermal insulation safety material comprises an outer polyurethane layer and a filler located in the polyurethane layer, and the filler comprises the following components by weight: 20-80 parts of microporous silica particles; 10 to 40 parts of microporous calcium silicate particles; 5-20 parts of an oxygen absorbent; 100 to 180 parts of polypropylene fiber; 20 to 60 parts of an adhesive; and part or all of the oxygen absorbent is distributed in micropores of the microporous silicon dioxide particles and the microporous calcium silicate particles. The thermal insulation material prepared by the invention has a relatively good thermal insulation effect. 本申请公开了一种隔热安全材料及其制备方法，其中隔热安全材料包括外层聚氨酯层和位于聚氨酯层内的填充料，所述填充料包括以下重量份数的组分：微孔二氧化硅颗粒20-80份；微孔硅酸钙颗粒10-40份；吸氧剂5-20份；聚丙烯纤维100-180份；粘接剂20-60份；所述部分或全部吸氧剂分布在微孔二氧化硅颗粒和微孔硅酸钙颗粒的微孔内。本申请制备得到的隔热材料具有较好的隔热效果。