| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a nonwoven fabric for disposable warmer effectively utilizing heat from a heating element and having an excellent heat insulating efficiency while having a feeling of a fabric. SOLUTION: The method for producing the nonwoven fabric for disposable warmer is characterized by bonding the nonwoven fabric including polyester based or polypropylene based fibers with a hydroentanglement treatment to obtain the nonwoven fabric to have 60% or more of constant thermal efficiency at 20°C and under 65% humidity atmosphere. COPYRIGHT: (C)2009,JPO&INPIT
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