Breathable and moisture permeable biodegradable thermal insulating flakes and preparation method thereof

The invention provides breathable and moisture permeable biodegradable thermal insulating flakes and a preparation method thereof. The thermal insulating flakes use Viloft fiber as the floc main bodyand three-dimensional crimped hollow fiber and far-infrared fiber as skeleton; ES fiber is made of hot adhesive by hot melt bonding. The present invention is a method of processing a thermal insulating flake using a nonwoven technique. The method uses a variety of different types and functions of new fibers, so that the flakes aggregate the good moisture absorption and desorption of viloft fibers,the curling properties of three-dimensional crimped hollow fibers and the health care function of far-infrared fibers. The invention has certain environmental protection property, and most of the products are biodegradable under certain conditions after the product is discarded. 本发明提供了种透气透湿可生物降解保暖絮片及其制备方法，保暖絮片以Viloft纤维为絮料主体、三维卷曲中空纤维和远红外纤维为骨架，ES纤维为热粘合剂通过热熔黏合加工制成。本发明是种采用非织造技术加工制备保暖絮片的方法，该方法采用了多种不同类型和功能的新型纤维，使得絮片聚集了viloft纤维的