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Apparatus for making polymeric web exhibiting a soft and silky tactile impression
专利权人:
发明人:
Brian Francis Gray,Keith Joseph Stone
申请号:
US13652083
公开号:
US09545744B2
申请日:
2012.10.15
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A method for making a polymeric web exhibiting a soft and silky tactile impression on at least one side thereof, the method comprising the steps of: providing a forming drum comprising at least one vacuum chamber providing a forming structure, the forming structure being moveable upon the forming drum extruding a precursor web directly onto the forming structure moving the forming structure adjacent the vacuum chamber applying vacuum at a sufficient level to induce a sufficient partial pressure to conform the precursor web to the forming structure providing a source of heat and annealing the precursor web by heating the precursor web thereby forming the polymeric web exhibiting a soft and silky tactile impression on at least one side thereof, the polymeric web comprising hair-like fibrils having closed distal ends and an average aspect ratio of at least about 0.5.
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