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不織布シートおよびその製造方法
专利权人:
ユニ・チャーム株式会社
发明人:
植松 克裕,大庭 徹,水谷 聡
申请号:
JP2010035387
公开号:
JP5538943B2
申请日:
2010.02.19
申请国别(地区):
JP
年份:
2014
代理人:
摘要:
Provided are a nonwoven-fabric sheet having a high liquid permeation rate and a process for producing the sheet. The nonwoven-fabric sheet comprises two layers, a first layer (4) and a second layer (5), and is characterized in that the first layer (4) has a plurality of ridges (2) and grooves (3) which extend in parallel in the lengthwise direction, that the first layer comprises heat-fusible fibers and the second layer comprises crimped fibers, and that the sheet has an average fiber angle of 70 or less in a cross-section parallel to the lengthwise direction. The nonwoven-fabric sheet can be produced by stacking a web comprising fibers having latent crimping properties and a web comprising heat-fusible fibers, ejecting a fluid from a plurality of nozzles arranged in the width direction, while conveying the stack, to form ridges (2) and grooves (3), heating the stack using a means that reduces resistance against the crimping properties of the fibers having latent crimping properties, thereby crimping the fibers having latent crimping properties, and then fusion-bonding the heat-fusible fibers.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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