发明申请
US20100210165A1 MULTI-PLY WEB OF FLEXIBLE MATERIAL, SUCH AS PAPER AND NONWOVEN, AND PRODUCT AND METHOD FOR IMPROVING THE BLEED FASTNESS OF A FLUORESCENT WHITENING AGENT IN ADHESIVE ZONES OF A MULTI-PLY WEB
审中-公开
多层柔性材料网，如纸和非织造织物，以及用于改进多层网状粘结区域中荧光白度变化剂的快速膨胀的产品和方法
- 专利标题： MULTI-PLY WEB OF FLEXIBLE MATERIAL, SUCH AS PAPER AND NONWOVEN, AND PRODUCT AND METHOD FOR IMPROVING THE BLEED FASTNESS OF A FLUORESCENT WHITENING AGENT IN ADHESIVE ZONES OF A MULTI-PLY WEB
- 专利标题（中）： 多层柔性材料网，如纸和非织造织物，以及用于改进多层网状粘结区域中荧光白度变化剂的快速膨胀的产品和方法
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申请号： US12374012申请日： 2007-09-18
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公开(公告)号： US20100210165A1公开(公告)日： 2010-08-19
- 发明人: Anders Stralin , Magnus Falk , Paul Wallstabe
- 申请人： Anders Stralin , Magnus Falk , Paul Wallstabe
- 申请人地址： SE Goteborg
- 专利权人： SCA HYGIENE PRODUCTS AB
- 当前专利权人： SCA HYGIENE PRODUCTS AB
- 当前专利权人地址： SE Goteborg
- 优先权： SEPCT/SE2006/001061 20060918
- 国际申请： PCT/SE2007/050660 WO 20070918
- 主分类号： B32B23/06
- IPC分类号： B32B23/06 ; B32B5/26 ; B32B29/02 ; B32B27/10 ; C08L1/26
摘要：
A multi-ply web of flexible material, such as paper and nonwoven material, includes a fluorescent whitening agent. The multi-ply web includes at least a first ply and a second ply which are interconnected in one or more adhesive interconnection zones by an adhesive composition including polyvinyl alcohol or a cellulose ether, and a cationic polymer. Also disclosed is a method for improving the bleed fastness of a fluorescent whitening agent in one or more adhesive interconnection zones of a multi-ply web of flexible material, such as paper and nonwoven material, which multi-ply web includes at least a first ply and a second ply which are interconnected in the adhesive zone(s) by an adhesive composition including polyvinyl alcohol or a cellulose ether. The method includes a step of incorporating a cationic polymer in the adhesive composition comprising polyvinyl alcohol or a cellulose ether.
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