NONWOVEN FABRIC AND METHOD FOR PRODUCING THE SAME

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United States of America Patent

SERIAL NO

15739920

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Abstract

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A nonwoven fabric including fibers that contain a polymer having a glass transition temperature of greater than or equal to 50° C. as a main component, and having a vertical strength of greater than or equal to 1 N/5 cm per 1 g/m2, and by satisfying both of the following conditions (1) and (2), a nonwoven fabric having sufficient strength to be handled alone and including fibers that contain a polymer having a Tg of greater than or equal to 50° C. as a main component without performing a post processing such as emboss processing, calender processing, or spunlace processing, and a method for producing the nonwoven fabric can be provided. (1) A density is 0.01 to 0.4 g/cm3. (2) A proportion of parts with a density exceeding 0.4 g/cm3 is less than or equal to 3% in a cross section in a thickness direction.

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Patent Owner(s)

Patent OwnerAddress
KURARAY CO LTDOKAYAMA COUNTY JAPAN OKAYAMA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SHIRAISHI, Ikuhisa Saijo-shi, JP 3 12
SHIROTANI, Yasuhiro Saijo-shi, JP 13 14

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