Spunbond non-woven fabrics for filters and method for preparing the same
AssigneeKolon Industries, Inc.
InventorsWoo-seok CHOI, Min-ho LEE, Hee-jung CHO, Young-shin PARK, Dong-heon KANG, Jung-soon JANG
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Abstract
The present disclosure relates to a spunbond nonwoven fabric for filters and a method for manufacturing the same. According to the present disclosure, there is provided a spunbond nonwoven fabric for filters having excellent filtration performance and a long service life, as well as a method for manufacturing the same.
Claims11
A spunbond nonwoven fabric for filters, comprising a fiber web in which a first polyester filament having a melting point of 250° C. or higher and a second polyester filament having a melting point of 150° C. to 220° C. are mixedly spun,
- wherein the first polyester filament has a fineness of 1 to 10 denier and includes hollow cross-section filaments and heteromorphic cross-section filaments,
- wherein the hollow cross-section filaments and the heteromorphic cross-section filaments have a fineness difference of 2 denier or more.
Dependencies are inferred from the claim text.