Multicomponent fiber comprising two different poly(lactic acid) polymers which provide biodegradable properties

摘要

multicomponent fibre comprises a first component having a melting temperature and comprising a first poly(lactic acid) polymer with a L:D ratio. The first component forms an exposed surface on at least a portion of the multicomponent fibre. A second component of the fibre has a melting temperature that is at least about 10oC greater than the melting temperature exhibited by the first component and comprises a second poly(lactic acid) polymer with an L:D ratio that is greater than the L:D ratio exhibited by the first poly(lactic acid) polymer. The multicomponent fibre comprises two different polymers which provide biodegradable properties to the fibre. The multicomponent fibre is useful in making nonwoven structures that may be used in a disposable absorbent product.