WET-LAID NONWOVEN FABRIC FOR FILTERS COMPRISING LOW MELTING POLYESTER FIBER

摘要

The present invention includes a first polyester fiber containing a polyester resin having a melting point higher than 250° C. and a second polyester fiber containing a low melting point polyester resin having a softening point of 100° C. to 150° C., and the first poly The ester fiber is a deformed sectional yarn having a roundness of 50 to 80%, and the second polyester fiber is an acid component composed of terephthalic acid or an ester-forming derivative thereof, and 2-methyl-1,3-propanediol, 2-methyl- It relates to a wet nonwoven fabric for filter paper comprising a low melting point polyester fiber including a low melting point polyester resin formed of a diol component consisting of 1,3-pentanediol and ethylene glycol.