Water-absorbent polymer having improved properties
    6.
    发明授权
    Water-absorbent polymer having improved properties 失效
    具有改进性能的吸水性聚合物

    公开(公告)号:US5447727A

    公开(公告)日:1995-09-05

    申请号:US960675

    申请日:1992-10-14

    申请人: Andrew T. Graham

    发明人: Andrew T. Graham

    CPC分类号: C08F8/00 A61L15/60

    摘要: The subject invention provides a surface-crosslinked water-absorbent polymer having improved properties. The subject invention further pertains to a process for preparing such a polymer. Through the use of a preferred primary crosslinking agent coupled with surface crosslinking, desirable absorptive properties are achieved. Suitable primary crosslinking agents include methylenebisacrylamide, bis(acrylamido)acetic acid and its salts, allyl acrylate, allyl methacrylate and esters or amides having both a vinyl and an allyl functionality.

    摘要翻译: 本发明提供具有改进性能的表面交联吸水性聚合物。 本发明进一步涉及制备这种聚合物的方法。 通过使用与表面交联偶联的优选的主要交联剂,实现了期望的吸收性能。 合适的一次交联剂包括亚甲基双丙烯酰胺,双(丙烯酰胺基)乙酸及其盐,丙烯酸烯丙酯,甲基丙烯酸烯丙酯和具有乙烯基和烯丙基官能团的酯或酰胺。

    Durable, absorbent latex foam composition having high vertical wicking
    8.
    发明授权
    Durable, absorbent latex foam composition having high vertical wicking 有权
    具有高垂直芯吸性能的耐用吸水胶乳泡沫组合物

    公开(公告)号:US06900249B2

    公开(公告)日:2005-05-31

    申请号:US10412922

    申请日:2003-04-14

    摘要: A durable, conformable, absorbent, hydrophilic, polymeric latex foam composition having a free absorbent capacity of at least 5 grams of a 0.9 weight percent aqueous saline solution per gram of foam and capable of vertically wicking said aqueous saline solution to a height of greater than about 5 cm. In a preferred embodiment, after compression, the latex foam composition remains thin until wet, whereupon it expands and exhibits a high free absorbent capacity and high vertical wicking height.

    摘要翻译: 一种耐久,适应性,吸收性,亲水性的聚合物胶乳泡沫组合物,其具有至少5克0.9重量%的每克泡沫体的盐水溶液的游离吸收能力,并且能够将所述盐水溶液垂直吸湿至高于 约5厘米。 在优选的实施方案中,在压缩之后,胶乳泡沫组合物保持薄至直至湿润,于是其膨胀并表现出高的游离吸收能力和高垂直芯吸高度。