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公开(公告)号：EP2981238A1
公开(公告)日：2016-02-10
申请号：EP14780083.3
申请日：2014-04-01
发明人： WOOD, Leigh, E. , GILBERT, Thomas, J. , THOMPSON, Delton, R., Jr. , PELTIER, Mark, A. , PRIOLEAU, Lori-Ann, S.
IPC分类号： A61F13/53 , A61F13/538
CPC分类号： B01J20/28054 , A61F13/534 , A61F2013/530649 , A61F2013/530861 , A61F2013/53445 , B01J20/28095 , B32B3/12 , B32B3/266 , B32B5/18 , B32B5/24 , B32B27/12 , B32B37/06 , B32B37/1207 , B32B38/04 , B32B2038/045 , B32B2262/062 , B32B2266/025 , B32B2266/0257 , B32B2266/0264 , B32B2266/0278 , B32B2305/022 , B32B2307/402 , B32B2307/718 , B32B2307/726 , B32B2307/728 , B32B2307/73 , B32B2309/10 , B32B2310/0454 , B32B2310/0825 , B32B2375/00 , B32B2556/00 , C08G18/2081 , C08G18/3278 , C08G18/4816 , C08G18/4837 , C08G18/6688 , C08G18/7664 , C08G18/797 , C08G2101/0058 , C08G2101/0083 , Y10T156/1056 , Y10T156/1057 , Y10T428/24298 , Y10T428/24306 , Y10T428/24322 , Y10T428/24331
摘要： An absorbent foam composite comprising a foam layer having open slits that define apertures on at least a portion of the foam layer and an absorbent layer. A heat set film may be sandwiched between the foam layer and the absorbent layer and have opened slits that define apertures that are at least partially congruent with the apertures of the foam layer. The absorbent layer may contain apertures or be aperture free. The absorbent foam composites can be used in a variety of applications, including personal hygiene articles, medical bandages, pet pads and agricultural pads.
摘要翻译： 一种吸收性泡沫复合材料，其包括具有在所述泡沫层的至少一部分上限定孔的开口狭缝的泡沫层和吸收层。 热定型膜可夹在泡沫层和吸收层之间并具有开口狭缝，该狭缝限定与泡沫层的孔至少部分一致的孔。 吸收层可以包含孔或无孔。 吸收泡沫复合材料可用于各种应用，包括个人卫生用品，医用绷带，宠物垫和农用垫。
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公开(公告)号：EP2854880B1
公开(公告)日：2019-03-13
申请号：EP13717393.6
申请日：2013-04-05
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公开(公告)号：EP2854880A1
公开(公告)日：2015-04-08
申请号：EP13717393.6
申请日：2013-04-05
CPC分类号： A61L15/24 , A61L15/26 , A61L15/28 , A61L15/425 , C08L75/04
摘要： Absorbent articles are described comprising an absorbent composite. The absorbent composite comprises a first absorbent layer comprising a polymeric foam having an average cell size of at least 100 microns. The polymeric foam has at least one property selected from a) an indentation force deflection of less than 75 N at 50%; or b) a constant deflection compression set of less than 25% for a deflection of 50%; or a combination of a) and b); and a second absorbent layer in fluid communication with the fluid transport layer. In another embodiment, the a second absorbent layer has an average absorption capacity of at least 20 g/g. In another embodiment, a polyurethane foam is described having an average cell size of at least 100 microns. The polyurethane foam comprises the reaction product of at least one polyol component having polyethylene oxide units and a polyisocyanate component that comprises at least 75 wt-% of at least one polymeric polyisocyanate that lacks urethane linkages. In some embodiments, the polyurethane foam is free of superabsorbent polymer. In some embodiments, the polyurethane foam has an average cell size up to 500 microns. In some embodiments, the polyurethane foam comprises at least 12 wt-% ethylene oxide units. Also described are various composites comprising the polyurethane foam described herein in combination with another substrate such as a second absorbent layer, a fluid impervious backsheet, and/or a fluid pervious topsheet.
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