专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US07285614B2 Superabsorbent polymer with slow absorption times 有权
标题翻译：超吸收性聚合物吸收时间慢
公开(公告)号：US07285614B2
公开(公告)日：2007-10-23
申请号：US10660982
申请日：2003-09-12
申请人： Gerd Jonas , Klaus Pflueger , Rüdiger Gerlach
发明人： Gerd Jonas , Klaus Pflueger , Rüdiger Gerlach
IPC分类号： C08F20/06
CPC分类号： A61L15/60
摘要： The invention relates to hydrophilic superabsorbent polymer comprising a) from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers; b) from about 0.001 to about 5.0 wt. % of internal crosslinking agent; c) from about 0.001 to about 5.0 wt. % of surface crosslinking agent applied to the particle surface; and d) wherein the composition has a degree of neutralization of more than about 20%, and from about 20 mole % to about 75 mole % of the unsaturated acid group containing monomers are neutralized with a first neutralizing agent, and from about 5 mole % to about 40 mole % of the unsaturated acid group containing monomers are neutralized with a second neutralizing agent; at a temperature of about 75° C. or less. Such hydrophilic superabsorbent polymers have an Absorption Time of about 5+10 a2 minutes or greater, where a is the mean particle size of the superabsorbent material in millimeters, a capacity of about 15 g/g or greater, a Drop Penetration Value of about 2 seconds or less, and a floatability of 50% or less.
摘要翻译：本发明涉及亲水性超吸收性聚合物，其包含a）约55至约99.9重量％％的含可聚合不饱和酸基团的单体; b）约0.001至约5.0wt。％的内部交联剂; c）约0.001至约5.0wt。施加到颗粒表面的表面交联剂的％; 和d）其中所述组合物的中和度大于约20％，并且约20摩尔％至约75摩尔％的所述不饱和酸基团的单体用第一中和剂中和，约5摩尔％至约40摩尔％的含不饱和酸基团的单体用第二中和剂中和; 在约75℃或更低的温度下。这样的亲水性超吸收性聚合物的吸收时间为约5 + 10分钟或更大，其中a为超吸收材料的平均粒度，单位为毫米，容量为约15g / g或更大，下降穿透值约2秒以下，浮选性为50％以下。

2. 发明授权

US08906824B2 Water-absorbing polymer structures produced using polymer dispersions 有权
标题翻译：使用聚合物分散体制备的吸水聚合物结构
公开(公告)号：US08906824B2
公开(公告)日：2014-12-09
申请号：US12516745
申请日：2007-12-18
申请人： Frank Loeker , Heinz Bremus , Rüdiger Gerlach , Scott J. Smith
发明人： Frank Loeker , Heinz Bremus , Rüdiger Gerlach , Scott J. Smith
IPC分类号： B01J20/26 , C08F2/10 , A61L15/60 , C08F220/06 , C08J3/24 , C08L31/04 , C08L33/02 , C08L33/08 , C08L35/06 , C08F222/10
CPC分类号： C08F2/10 , A61L15/60 , C08F220/06 , C08F220/40 , C08F222/1006 , C08J3/245 , C08J2333/02 , C08L31/04 , C08L33/02 , C08L33/08 , C08L35/06 , C08L2666/04 , C08L2666/02
摘要： The present invention relates to a process for the production of water-absorbing polymer structures, comprising the process steps of providing of an aqueous monomer solution comprising a polymerizable, monoethylenically unsaturated monomer (α1) carrying acid groups or a salt thereof; free-radical polymerization of the aqueous monomer solution to give a polymer gel, drying of the optionally comminuted polymer gel to give water-absorbing polymer structures, and surface post-crosslinking of the optionally ground and sieved water-absorbing polymer structures, wherein a thermoplastic polymer is added to the aqueous monomer solution before process step ii) or during process step ii), preferably before process step ii), or II) the polymer gel after process step ii) and before process step iv) or during process step iv), preferably before process step iv), or III) the water-absorbing polymer structure after process step iv).
摘要翻译：本发明涉及一种生产吸水性聚合物结构体的方法，包括提供含有含有酸基团的可聚合的单烯属不饱和单体（α1）或其盐的单体水溶液的方法步骤; 水性单体溶液的自由基聚合以得到聚合物凝胶，干燥任选粉碎的聚合物凝胶以得到吸水聚合物结构，以及任选研磨和筛分的吸水聚合物结构的表面后交联，其中热塑性在工艺步骤ii）之前或在工艺步骤ii）期间，优选在加工步骤ii）之前或在工艺步骤ii）之后和在工艺步骤iv）之前或在工艺步骤iv）期间将聚合物加入单体水溶液中，或II）聚合物凝胶，，优选在方法步骤iv）之前，或III）在方法步骤iv）之后的吸水聚合物结构。

3. 发明申请

US20100075844A1 WATER-ABSORBING POLYMER STRUCTURES PRODUCED USING POLYMER DISPERSIONS 有权
标题翻译：使用聚合物分散剂生产的吸水聚合物结构
公开(公告)号：US20100075844A1
公开(公告)日：2010-03-25
申请号：US12516745
申请日：2007-12-18
申请人： Frank Loeker , Heinz Bremus , Rüdiger Gerlach , Scott J. Smith
发明人： Frank Loeker , Heinz Bremus , Rüdiger Gerlach , Scott J. Smith
IPC分类号： B01J20/26
CPC分类号： C08F2/10 , A61L15/60 , C08F220/06 , C08F220/40 , C08F222/1006 , C08J3/245 , C08J2333/02 , C08L31/04 , C08L33/02 , C08L33/08 , C08L35/06 , C08L2666/04 , C08L2666/02
摘要： The present invention relates to a process for the production of water-absorbing polymer structures, comprising the process steps of providing of an aqueous monomer solution comprising a polymerizable, monoethylenically unsaturated monomer (α1) carrying acid groups or a salt thereof; free-radical polymerization of the aqueous monomer solution to give a polymer gel, drying of the optionally comminuted polymer gel to give water-absorbing polymer structures, and surface post-crosslinking of the optionally ground and sieved water-absorbing polymer structures, wherein a thermoplastic polymer is added to the aqueous monomer solution before process step ii) or during process step ii), preferably before process step ii), or II) the polymer gel after process step ii) and before process step iv) or during process step iv), preferably before process step iv), or III) the water-absorbing polymer structure after process step iv).
摘要翻译：本发明涉及一种生产吸水性聚合物结构体的方法，包括提供含有含有酸基团的可聚合的单烯属不饱和单体（α1）或其盐的单体水溶液的方法步骤; 水性单体溶液的自由基聚合以得到聚合物凝胶，干燥任选粉碎的聚合物凝胶以得到吸水聚合物结构，以及任选研磨和筛分的吸水聚合物结构的表面后交联，其中热塑性在工艺步骤ii）之前或在工艺步骤ii）期间，优选在加工步骤ii）之前或在工艺步骤ii）之后和在工艺步骤iv）之前或在工艺步骤iv）期间将聚合物加入到单体水溶液中，或II），优选在方法步骤iv）之前，或III）在方法步骤iv）之后的吸水聚合物结构。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式