Thermal bonding conjugate fiber with excellent bulkiness and...

Details Thermal bonding conjugate fiber with excellent bulkiness and... Thermal bonding conjugate fiber with excellent bulkiness and...

2008-04-24

2011-12-13

Edwards, N. (Department: 1782)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S374000, C428S370000, C264S168000

Reexamination Certificate

active

08075994

ABSTRACT:
A thermal bonding conjugate fiber constituted from a first component comprising a polyester resin and a second component comprising a polyolefin resin with a melting point lower than that of the polyester resin by not less than 20° C., characterized in that a post-heat treatment bulk retention rate thereof is 20% or more when calculated by the following measurement method: Bulk retention rate=(H1 (mm)/H0 (mm))×100(%) (wherein H0 is the web height when a 0.1 g/cm2load is applied to a web with a mass per unit area of 200 g/m2; and H1 is the web height after a heat treatment for 5 min at 145° C. when a 0.1 g/cm2load is applied to that web).

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