Fibers comprising polyhydroxyalkanoate copolymer/polylactic acid polymer or copolymer blendsUS2002143116A1
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机译:包含聚羟基链烷酸酯共聚物/聚乳酸聚合物或共聚物共混物的纤维[US2002143116A1]
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摘要
Environmentally degradable melt spun fibers comprising a polyhydroxyalkanoate copolymer and a polylactic acid polymer or copolymer are disclosed. A preferred configuration of the present invention is directed to environmentally degradable fibers comprising a sheath/core structure where the core comprises a biodegradable polyhydroxyalkanoate copolymer and the sheath comprises a polymer or copolymer of polylactic acid. Nonwoven webs and disposable articles comprising the environmentally degradable fibers are also disclosed.
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