公开(公告)号：US06150582A

公开(公告)日：2000-11-21

申请号：US82923

申请日：1998-05-21

申请人： Katsuyuki Wada ,  Naoko Takahashi ,  Hiroko Ueda ,  Kinya Nagasuna

发明人： Katsuyuki Wada ,  Naoko Takahashi ,  Hiroko Ueda ,  Kinya Nagasuna

IPC分类号： A61F13/53 ,  A61F5/44 ,  A61F13/15 ,  A61F13/49 ,  A61L15/16 ,  A61L15/60 ,  B01J20/26 ,  B01J20/28 ,  B32B27/00 ,  C08K7/02 ,  C08L101/14 ,  A61F13/20

CPC分类号： A61F13/531 ,  A61F13/15203 ,  A61L15/60 ,  A61F2013/15463

摘要： The invention clarifies absorption properties of a water-absorbent resin as needed in the case where the ratio by weight of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material is ".alpha.," and further the invention provides an absorbent article using a water-absorbent resin which is optimal to the ratio by weight ".alpha." of the water-absorbent resin. A water-absorbent resin, having a concentration absorption index of 35 or more as shown by the following equation (1):A(1-.alpha.)+B.alpha. (1)wherein A (g/g) is an absorption capacity of the resin under no load, andB (g/g) is an absorption capacity of the resin under a load, is used as the water-absorbent resin as used for the absorbent article of at least 0.4 in the ratio by weight ".alpha." of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material.

摘要翻译： 本发明根据吸水性树脂与吸水性树脂和纤维材料的总量的重量比为“α”的情况，根据需要明确了吸水性树脂的吸收特性，进一步本发明提供 使用吸水性树脂的吸收性物品，该吸水性树脂对于吸水性树脂的重量比“α”是最佳的。 浓度吸收指数为35以上的吸水性树脂，如下式（1）所示：A（1-α）+Bα（1）其中A（g / g）为 树脂在负载下的B（g / g）是树脂在负荷下的吸收能力，作为用于吸收性物品的吸水性树脂，以重量比“α”为至少0.4 吸水性树脂与吸水性树脂和纤维材料的总量相同。

公开(公告)号：US6071976A

公开(公告)日：2000-06-06

申请号：US894677

申请日：1997-08-27

申请人： Yorimichi Dairoku ,  Toshimasa Kitayama ,  Kinya Nagasuna ,  Takanori Murakami ,  Akito Yano ,  Kunihiko Ishizaki

发明人： Yorimichi Dairoku ,  Toshimasa Kitayama ,  Kinya Nagasuna ,  Takanori Murakami ,  Akito Yano ,  Kunihiko Ishizaki

IPC分类号： B29B7/40 ,  B29B7/42 ,  C08J9/00

CPC分类号： B29B7/421 ,  B29B7/401 ,  B29C47/385 ,  B29C47/605 ,  B29C47/6075 ,  B29C47/661

摘要： A high-speed agitation type mixer of a continuous extruding method including a plurality of agitating members provided around a rotational shaft inside a fixed casing is used to mix and react a water absorbing resin containing a carboxyl group with an aqueous liquid containing, for example, a crosslinking agent that can react with the carboxyl group. The agitating members of the mixer of a continuous extruding method are provided so as to form in the ejection side a second area whose thrusting force is weaker than the thrusting force in a first area in which the water absorbing resin supplied into the casing is dispersed. A device for manufacturing a water absorbing agent is thus offered which boasts good absorbency under pressure and always maintain its excellent performance with end products.

摘要翻译： PCT No.PCT / JP96 / 03782 Sec。 371日期1997年8月27日第 102（e）日期1997年8月27日PCT 1996年12月25日PCT公布。 公开号WO97 / 24394 日期1997年7月10日使用包括在固定壳体内设置在旋转轴周围的多个搅拌部件的连续挤压方法的高速搅拌型混合机，将含有羧基的吸水性树脂与水性液体 含有例如可以与羧基反应的交联剂。 提供了连续挤压方法的混合器的搅拌构件，以便在喷射侧形成第二区域，其第二区域的推力在第一区域中被提供到壳体中的吸水树脂分散在第一区域中。 因此提供了一种制造吸水剂的装置，其在压力下具有良好的吸收性，并且始终保持其与最终产品的优异性能。

公开(公告)号：US5866678A

公开(公告)日：1999-02-02

申请号：US802284

申请日：1997-02-20

申请人： Katsuhiro Kajikawa ,  Kinya Nagasuna ,  Yoshihiko Masuda

发明人： Katsuhiro Kajikawa ,  Kinya Nagasuna ,  Yoshihiko Masuda

IPC分类号： A61L15/24 ,  C08F6/00 ,  C08F6/10

CPC分类号： C08F6/006 ,  A61L15/24

摘要： A method for the production of an absorbent resin having a very small residual monomer content either by adding to an absorbent resin powder a substance capable of reacting with the residual monomer in the absorbent resin powder thereby forming an absorbent resin composition having a water content in the range of 10 to 70% by weight and heat-treating the absorbent resin composition at a temperature in the range of 100.degree. to 200 .degree. C. while retaining the water content of the absorbent resin or by adding to an absorbent resin powder a substance capable of reacting with the residual monomer in the absorbent resin powder thereby forming an absorbent resin composition having a water content in the range of 25 to 55% by weight, heat-treating the absorbent resin composition at a temperature in the range of 120.degree. to 200 .degree. C. while retaining the water content of the absorbent resin composition in the range mentioned above, and then drying the absorbent resin composition at a temperature not exceeding 120.degree. C.

摘要翻译： 通过向吸收性树脂粉末中添加能够与吸收性树脂粉末中的残留单体反应的物质，从​​而形成吸水性树脂组合物，其具有非常小的残留单体含量的方法 范围为10〜70重量％，并且在100〜200℃的温度范围内对吸收性树脂组合物进行热处理，同时保持吸收性树脂的含水量，或者通过向吸收性树脂粉末中添加能够 与吸收性树脂粉末中的残留单体反应，从而形成水分为25〜55重量％的吸水性树脂组合物，在120〜200℃的温度范围内对吸收性树脂组合物进行热处理 同时将吸水性树脂组合物的水分保持在上述范围内，然后在n温度下干燥吸收性树脂组合物 超过120℃

公开(公告)号：US5797893A

公开(公告)日：1998-08-25

申请号：US703882

申请日：1996-08-27

申请人： Katsuyuki Wada ,  Kunihiko Ishizaki ,  Kinya Nagasuna

发明人： Katsuyuki Wada ,  Kunihiko Ishizaki ,  Kinya Nagasuna

IPC分类号： A61F13/15 ,  A61L15/18 ,  A61L15/20 ,  A61L15/42 ,  A61L15/60 ,  C08J3/24 ,  C08L101/14 ,  A61F13/20

CPC分类号： C08L101/14 ,  A61F13/15203 ,  A61F13/8405 ,  A61L15/18 ,  A61L15/20 ,  A61L15/42 ,  A61L15/60 ,  C08J3/245 ,  A61F2013/15463 ,  A61F2013/15471 ,  C08J2300/14

摘要： An absorbing agent composition exhibiting excellent properties (absorbing properties), such as capabilities of maintaining high liquid diffusion and a constant absorbing capacity per unit weight, even when an amount of an absorbent resin is increased in percent by weight based on the weight of the absorbing agent composition, and an absorbent material containing such an absorbing agent composition and an absorbent product containing the absorbent material. The absorbing agent composition has a diffusing absorbency index under pressure of 1.5 g/g.multidot.min or higher with respect to a physiological saline solution under a load of 20 g/cm.sup.2. The absorbent material contains at least 40 weight percent absorbing agent composition based on the weight of the absorbent material. The absorbent product comprises an absorbent layer containing the absorbent material sandwiched by a liquid permeable sheet and a liquid impermeable sheet. The diffusing absorbency index under pressure is calculated by a device used for measuring the diffusing absorbency under pressure, that is, a weight of a physiological saline solution absorbed by the absorbing agent composition placed in a supporting cylinder for 60 minutes since the supporting cylinder is placed on a sheet with a weight is measured in time series using a balance.

摘要翻译： 吸收剂组合物，即使吸水性树脂的量以吸收重量为基准的重量百分比增加，其表现出优异的性能（吸收性能），例如维持高液体扩散能力和每单位重量的恒定吸收能力 试剂组合物和含有这种吸收剂组合物的吸收材料和含有吸收材料的吸收产品。 吸收剂组合物在20g / cm 2的负荷下，相对于生理盐水溶液，在1.5g / g×min以上的压力下具有扩散吸收指数。 吸收材料含有至少40重量％的基于吸收材料重量的吸收剂组合物。 吸收性物品包括吸收层，该吸收层含有被透液性片材和不透液性片材夹持的吸收材料。 在压力下的扩散吸收指数由用于测量加压下的扩散吸收性的装置，即由放置在支撑筒中的吸收剂组合物吸收的生理盐水溶液的重量计算，从支撑筒放置60分钟 在具有重量的片材上使用天平以时间序列测量。