公开(公告)号：US06469080B2

公开(公告)日：2002-10-22

申请号：US09734190

申请日：2000-12-12

申请人： Koji Miyake ,  Shinichi Fujino ,  Masatoshi Nakamura ,  Katsuyuki Wada

发明人： Koji Miyake ,  Shinichi Fujino ,  Masatoshi Nakamura ,  Katsuyuki Wada

IPC分类号： C08K509

CPC分类号： A61L15/60 ,  A61L15/46 ,  C08K5/175 ,  C08L33/02

摘要： The present invention provides a water-absorbent resin composition which contains an aminoacetic chelating agent and is excellent in the urine resistance, wherein the water-absorbent resin composition is excellent further in the light resistance and becomes little colored and might have deodorizability. A water-absorbent resin composition, which comprises a water-absorbent resin and an aminoacetic chelating agent, wherein the mixing ratio of the aminoacetic chelating agent in the water-absorbent resin composition is not less than 10 ppm of the water-absorbent resin, and wherein the total content of nitrilotriacetic acid and its salt in the water-absorbent resin composition is not more than 1 ppm of the water-absorbent resin composition.

摘要翻译： 本发明提供一种含有氨基乙酸螯合剂并且耐尿性优异的吸水性树脂组合物，其中吸水性树脂组合物在耐光性方面进一步优异且变色少且可能具有除臭性。 一种吸水性树脂组合物，其包含吸水性树脂和氨基乙酸螯合剂，其中吸水性树脂组合物中氨基乙酸螯合剂的混合比不小于吸水性树脂的10ppm， 其中吸水性树脂组合物中次氮基三乙酸及其盐的总含量不超过吸水性树脂组合物的1ppm。

公开(公告)号：US5559160A

公开(公告)日：1996-09-24

申请号：US234416

申请日：1994-04-28

申请人： Nobuyuki Harada ,  Katsuyuki Wada ,  Hisanori Obara ,  Toru Inaoka

发明人： Nobuyuki Harada ,  Katsuyuki Wada ,  Hisanori Obara ,  Toru Inaoka

IPC分类号： B01J20/26 ,  B01J20/28 ,  C08F2/32 ,  C08J9/28

CPC分类号： B01J20/26

摘要： The disclosure is a liquid absorbable material comprising a porous formed article possessed of partitioning walls of a cross-linked polymer and continued micropores, characterized in that said material has a density in the range of 0.2 to 1.0 g/cm.sup.3, and (a) that said partitioning walls exhibit a swelling degree to kerosine in the range of 2 to 10, and that said material has an absorption capacity per unit volume, the capacity being at least 4 cm.sup.3 /cm.sup.3 for water, ethanol, toluene and kerosine, respectively, or (b) that said material has an absorption capacity per unit weight, the capacity being at least 10 g/g for water, ethanol, toluene and kerosine, respectively, the liquids being at a temperature not less than the softening point of the cross-linked polymer. The liquid absorbable material can absorb liquids such as water and petroleum quickly and expand with the absorbed liquid.

摘要翻译： 本发明是一种液体可吸收材料，其包括具有交联聚合物和连续微孔的分隔壁的多孔成形制品，其特征在于所述材料的密度在0.2至1.0g / cm 3的范围内，和（a） 所述分隔壁表现出2至10范围内的煤油的膨胀度，并且所述材料分别具有每单位体积的吸收能力，对于水，乙醇，甲苯和煤油，容量至少为4cm 3 / cm 3，或 （b）所述材料具有每单位重量的吸收能力，分别为水，乙醇，甲苯和煤油的容量至少为10g / g，液体的温度不低于交联剂的软化点， 连接聚合物。 液体吸收材料可以快速吸收水和石油等液体，并与吸收的液体一起膨胀。