Polylactic acid non-woven fabrics Due to the development of microbial technology, there are currently several biodegradable plastic varieties in the world, among which polylactic acid is increasingly popular. As polylactic acid plants do not deplete natural resources, nonwovens producers are increasingly interested in developing new products with this material. Various nonwoven fabrics made of polylactic acid are biodegradable, and some blend polylactic acid with other natural fibers or rayon to make the final product biodegradable.
The decomposition ability of various nonwoven fabrics made of polylactic acid can be classified into two types. Some materials can biodegrade or decompose after disposal, while others can be naturally decomposed after processing. The former is biodegradable as we usually understand, that is, it is decomposed during the post-use burial process, and the latter is mainly used in underground materials in agriculture or civil engineering.
At present, the Japanese polylactic acid nonwoven fabric manufacturers are only Shintec and Unitec. Hot-adhesive, needle-punched nonwovens produced using polylactic acid are more widely used.
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