Method for producing a biodegradable nonwoven fabric

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United States of America Patent

PATENT NO 11697896
SERIAL NO

16339519

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Abstract

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The present disclosure provides: a biodegradable nonwoven fabric for thermoforming, the biodegradable nonwoven fabric being composed of a fiber of a polylactic acid-based polymer, and having a basis weight of 20-300 g/m2, preferably, a biodegradable nonwoven fabric characterized by being composed of a long fiber of a polylactic acid polymer, having an MD-direction elongation of 50% or more at 120° C., and having an MD-direction dimensional change rate of ±4% or less at 80-140° C. as determined by thermomechanical analysis; a method for producing a molded body by using said biodegradable nonwoven fabric; and a method for molding a biodegradable beverage extraction container, the method being characterized in that the molded body has an MD-direction elongation change rate of 4% or less, as determined by thermomechanical analysis (TMA) under a load of 0.05 N/2 mm at 30-100° C.

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Patent Owner(s)

Patent OwnerAddress
MITSUI CHEMICALS ASAHI LIFE MATERIALS CO LTD2-2-1 YAESU CHUO-KU TOKYO 1040028 ?1040028

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Kazufumi Tokyo, JP 21 76
Matsumoto, Takuya Tokyo, JP 321 3590
Obi, Rumina Tokyo, JP 10 43
Okamura, Chie Tokyo, JP 7 12
Yamada, Yusuke Tokyo, JP 286 3539

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