您的位置: 首页 > 农业专利 > 详情页

ABSORBENT ARTICLE UNDERSTANDING POLYMERIC AND INTERMEDIATE FOAM
专利权人:
3M INNOVATIVE PROPERTIES COMPANY
发明人:
DELTON R. THOMPSON JR.,ROBERT L. ROWAN
申请号:
BR112014029833
公开号:
BR112014029833B1
申请日:
2013.04.05
申请国别(地区):
BR
年份:
2019
代理人:
摘要:
Absorbent article comprising polymeric foam and intermediates Absorbent articles comprising an absorbent composite are described. 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 to 50%; or (b) a constant deflection compression strain 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 second absorbent layer has an average absorption capacity of at least 20 g / g. In another embodiment, a polyurethane foam is described as having an average cell size of at least 100 microns. The polyurethane foam comprises the reaction product of at least one polyol component having poly (ethylene oxide) units and a polyisocyanate component comprising at least 75% by weight of at least one bond-free polymeric polyisocyanate. urethane. In some embodiments, the polyurethane foam is free of superabsorbent polymer. In some embodiments, polyurethane foam has an average cell size of up to 500 microns. In some embodiments, the polyurethane foam comprises at least 12% by weight of 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 impermeable bottom layer, and / or a fluid permeable top layer.artigo absorvente que compreende espuma polimérica e intermediários são descritos artigos absorventes que compreendem um compósito absorvente. o compósito absorvente compreende uma primeira camada absorvente que compreende uma espuma polimérica que tem um tamanho de célula médio de pelo menos 100 micra. a espuma polimérica tem ao menos uma propriedade selecionada dentre a) uma deflexão de força de indentação inferior a 75 n a 50%; ou b) u
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充