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COMPOSITE ÉLASTIQUE CONTENANT UN REVÊTEMENT NON TISSÉ LÉGER ET DE FAIBLE RÉSISTANCE
专利权人:
Kimberly-Clark Worldwide; Inc.
发明人:
申请号:
EP09772933.9
公开号:
EP2299956B1
申请日:
2009.05.14
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
An elastic composite formed from a lightweight nonwoven facing that has a low degree of strength in the cross-machine direction ("CD") is provided. Through selective control over certain parameters of the materials employed in the composite and the formation process, the present inventors have discovered that such low strength and lightweight facings may be readily laminated to an elastic film without significantly damaging their integrity. For example, in one embodiment, the elastic film may possess a multi-layered construction that includes an elastomeric elastic layer positioned adjacent to a strength-enhancing thermoplastic layer. The polymer content and thickness of the thermoplastic layer are generally selected to impart additional strength and integrity to the film. Likewise, the polymer content of the elastic layer may also be selected so that the film possesses a sufficient tack for adhering to the facing. In certain cases, it may be desirable to position the layer between two elastic layers so that the strength-enhancing layer does not substantially contact the nonwoven facing. In this manner, the strength-enhancing layer may avoid substantial damage during the lamination process.
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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