公开(公告)号：US06174929B1

公开(公告)日：2001-01-16

申请号：US09117294

申请日：1998-08-26

申请人： Hans-Joachim H{umlaut over (a)}hnle ,  Manfred Walter ,  J{umlaut over (u)}rgen Tropsch ,  Jens Kremeskötter ,  Gunnar Schornick ,  Thomas Anstock

发明人： Hans-Joachim H{umlaut over (a)}hnle ,  Manfred Walter ,  J{umlaut over (u)}rgen Tropsch ,  Jens Kremeskötter ,  Gunnar Schornick ,  Thomas Anstock

IPC分类号： C08J928

CPC分类号： C05G3/04 ,  A61L15/425 ,  A61L15/60 ,  C08J9/30

摘要： Water-absorbing foamlike crosslinked polymers which are obtainable by (I) foaming a polymerizable aqueous mixture which consists of (a) monoethylenically unsaturated monomers containing acid groups, which are at least 50 mol % neutralized, (b) with or without other monoethylenically unsaturated monomers, (c) crosslinker, (d) initiators, (e) from 0.1 to 20% by weight of at least one surfactant, (f) with or without one or more solubilizers and (g) with or without thickeners, foam stabilizers, polymerization regulators, fillers and/or cell nucleating agents, the foaming being performed by dispersing fine bubbles of a gas inert to free radicals, and (II) polymerizing the foamed mixture with formation of a foamed hydrogel, with or without adjusting the water content of the foamed polymer to from 1 to 60% by weight, processes for their preparation and their use in sanitary articles which are used for absorbing body fluids and in dressing materials for covering wounds are described.

摘要翻译： 吸水泡沫状交联聚合物可以通过（I）发泡可聚合水性混合物而获得，该可混合水性混合物由（a）至少50摩尔％中和的含酸基团的单烯属不饱和单体组成，（b）具有或不具有其它单烯属不饱和单体 ，（c）交联剂，（d）引发剂，（e）0.1至20重量％的至少一种表面活性剂，（f）具有或不具有一种或多种增溶剂，和（g）具有或不具有增稠剂的泡沫稳定剂，聚合 调节剂，填料和/或细胞成核剂，通过分散对自由基惰性气体的细小气泡进行发泡，和（II）使发泡混合物聚合形成泡沫水凝胶，在或不调节水分含量的情况下 发泡聚合物为1〜60重量％，其制备方法及其用于吸收体液的卫生制品和用于覆盖伤口的敷料中的用途。