Patent application number | Description | Published |
20130018349 | WATER-ABSORBENT SHEET STRUCTUREAANM Takatori; JunichiAACI Himeji-shiAACO JPAAGP Takatori; Junichi Himeji-shi JPAANM Matsushita; HidekiAACI Himeji-shiAACO JPAAGP Matsushita; Hideki Himeji-shi JPAANM Sakata; JunAACI Himeji-shiAACO JPAAGP Sakata; Jun Himeji-shi JPAANM Inaba; HarukaAACI Himeji-shiAACO JPAAGP Inaba; Haruka Himeji-shi JP - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin is sandwiched with a hydrophilic nonwoven fabric from an upper side and a lower side of the absorbent layer, characterized in that at least one side of a topside and an underside of the water-absorbent sheet structure is subjected to embossing, and that the water-absorbent sheet structure has the following properties: when a saline solution is allowed to be absorbed in an amount of 4 L per 1 m | 01-17-2013 |
20130046263 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent sheet structure has a structure in which the absorbent layer is separated in divided parts of a primary absorbent layer and a secondary absorbent layer with a fibrous substrate having a void ratio of from 91 to 99%, and wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m | 02-21-2013 |
20130130017 | WATER-ABSORBING RESIN | 05-23-2013 |
20130178814 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin is sandwiched with a hydrophilic nonwoven fabric from an upper side and a lower side of the absorbent layer, characterized in that at least one side of the upper side and the lower side of the water-absorbent sheet structure is subjected to embossing, wherein a central region W | 07-11-2013 |
20130217846 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN | 08-22-2013 |
20130273351 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN | 10-17-2013 |
20130330566 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin including the step of subjecting primary particles obtained by a first-step reversed phase suspension polymerization to agglomeration according to a second-step reversed phase suspension polymerization, each step using an internal-crosslinking agent-added water-soluble ethylenically unsaturated monomer, characterized in that A and B satisfy the relationships of:
| 12-12-2013 |
20140031203 | WATER-ABSORBENT RESIN, ABSORBENT BODY AND ABSORBENT ARTICLE - The present invention provides a novel water-absorbent resin desirable for use as a hygienic material and the like, and an absorbent material and absorbent article using the water-absorbent resin; the water-absorbent resin having a high gel strength that prevents a reduction in liquid permeation rate by suppressing gel blocking during absorption, and an excellent water-retention capacity at the same time. | 01-30-2014 |
20140031507 | METHOD FOR PRODUCING WATER-ABSORBING RESIN - The invention provides a novel method for producing a water-absorbent resin comprising: subjecting at least one water-soluble ethylenic unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium, the reversed-phase suspension polymerization being conducted using a 0.00005 to 0.00016 mol of water-soluble azo initiator for radical polymerization per mol of the water-soluble ethylenic unsaturated monomer in the presence of 0.000015 to 0.00015 mol of hypophosphorous compound per mol of the water-soluble ethylenic unsaturated monomer. | 01-30-2014 |
20140194574 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN, AND WATER-ABSORBENT RESIN OBTAINED BY SAME - A method for producing a water-absorbent resin including the step of subjecting a water-soluble ethylenically unsaturated monomer to a reversed phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a radical polymerization initiator and a dispersion stabilizer, wherein the method is characterized by the use of an ether-ester type nonionic surfactant as the dispersion stabilizer, and a water-absorbent resin obtained by the method, wherein the water-absorbent resin has a water-retention capacity of saline solution of 25 g/g or more, a water-absorption rate of saline solution of 50 seconds or less, and a flow index under moisture absorption of 70% or more. According to the method of the present invention, a water-absorbent resin having high water-retention capacity, excellent water-absorption rate, and further having excellent flowability under moisture absorption can be produced. The water-absorbent resin having the specified physical properties as described above can enhance properties of hygienic materials, and the resin can be suitably used in the production of the hygienic materials. | 07-10-2014 |
20150080539 | POLYMERIZATION REACTOR AND METHOD FOR PRODUCING WATER ABSORBENT RESIN - A polymerization reactor of the present invention includes a container body | 03-19-2015 |