US2021040660A1PendingUtilityA1

Spunbonded nonwoven fabric

Assignee: TORAY INDUSTRIESPriority: Jan 25, 2018Filed: Jan 23, 2019Published: Feb 11, 2021

Est. expiryJan 25, 2038(~11.5 yrs left)· nominal 20-yr term from priority

Inventors:Yuka Nishiguchi Hiroo Katsuta Yoshitsugu Funatsu Yoshitaka Aranishi Kentaro Kajiwara

D04H 3/14D04H 3/011D01F 6/92D04H 3/147D04H 3/05

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References

Claims

Abstract

The present invention relates to a spun-bonded nonwoven fabric including a monocomponent fiber including a copolymerized polyester based resin in which 5 weight % or higher and 40 weight % or lower of a polyethylene glycol is copolymerized with a polyester based resin, in which the spun-bonded nonwoven fabric has a ΔMR of 0.5% or higher and 15% or lower.

Claims

exact text as granted — not AI-modified

1 . A spun-bonded nonwoven fabric comprising a monocomponent fiber comprising a copolymerized polyester based resin in which 5 weight % or higher and 40 weight % or lower of a polyethylene glycol is copolymerized with a polyester based resin,
 wherein the spun-bonded nonwoven fabric has a ΔMR of 0.5% or higher and 15% or lower.   
     
     
         2 . The spun-bonded nonwoven fabric according to  claim 1 , wherein the polyester based resin is a polyethylene terephthalate.

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