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Biodegradable and Flushable Multi-Layered Film
专利权人:
Gregory James Wideman;James Hongxue Wang
发明人:
James Hongxue Wang,Gregory James Wideman
申请号:
US13534440
公开号:
US20140005620A1
申请日:
2012.06.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A biodegradable and flushable film is generally provided. The film can be a multi-layer film including a water-dispersible core layer that comprises a water-soluble polymer; and a water-barrier skin layer positioned adjacent to the water-dispersible core layer. The water-dispersible core layer constitutes from about 50 wt. % to about 99 wt. % of the film, while the water-barrier skin layer constitutes from about 1 wt. % to about 50 wt. % of the film. The biodegradable polymers of the water-barrier skin layer can constitute from about 80 wt. % to 100 wt. % of the polymer content in the water-barrier skin layer, with from about 10 wt. % to about 90 wt. % of the biodegradable polymers being polyalkylene carbonate and from about 10 wt. % to about 90 wt. % of the biodegradable polymers being biodegradable polyesters. The film may be used as a packaging film or as a backsheet of an absorbent article.
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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