Fiber master batch with infrared heat storage function and preparation method of fiber master batch

The invention provides a fiber master batch with an infrared heat storage function and a preparation method of the fiber master batch, and the fiber master batch comprises the following components in percentage by weight: 1-30wt% of a concentrated rare earth material and 70-99wt% of a high polymer material. The concentrated rare earth material provided by the invention can be proportionally mixed with different high polymer materials to prepare master batches, can be used for preparing various fibers, can be used for weaving infrared heat storage functional fabrics, and has the advantages of washability, environment friendliness and low cost compared with infrared warm-keeping clothes in the prior art. 本发明提供了一种红外蓄热功能纤维母粒及其制备方法，按重量百分比计算，包括以下组分：浓缩稀土材料1wt%-30wt%、高分子材料70wt%-99wt%。本发明提供的浓缩稀土材料可与不同高分子材料按比例混合制成母粒，可制备多种纤维，可用于织造红外蓄热功能面料，与现有技术的红外保暖服装相比，具有耐洗环保和低成本的优势。