Stretchable bulky nonwoven fabric and its manufacturing method

Stretchable bulky nonwoven fabric and its manufacturing method

  • CN 103,046,232 B
  • Filed: 10/12/2012
  • Issued: 06/15/2018
  • Est. Priority Date: 10/12/2011
  • Status: Active Grant
First Claim
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1. a kind of Stretchable bulky nonwoven fabric, which is characterized in that the first fibrous layer comprising the first fiber with comprising heat it is fusibleSecond fiber and the with the machine direction shrinking percentage lower by more than 5% than the machine direction shrinking percentage of first fibrous layerTwo fibrous layers are laminated, first fibrous layer and second fibrous layer by be contained in first fibrous layer described theOne fiber and the entanglement of thermal contraction that is contained between second fiber in second fibrous layer and it is integrated, in describedIn the entanglement of thermal contraction, first fiber of first fibrous layer is helically curly and first fibrous layer it is describedThe contact point of first fiber and second fiber of second fibrous layer is to be contained in second fiber by heat fusionThe form bonding of fusible second fiber of heat in layer, and be contained in first fiber in first fibrous layer withSecond fiber in second fibrous layer is contained on the thickness direction of the non-woven fabrics in first fibrous layerInterface between second fibrous layer is partly tangled, and first fibrous layer shrinks to form second fibrous layerThe structure swelled in a thickness direction and sound wave bonding processing is partly applied from the second fibrous layer side to form recess portionAnd the protrusion that the position by not being subjected to sound wave bonding processing is formed, wherein the thickness of the protrusion is at 1.0 millimeters to 5.0 millisIn the range of rice.

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