Title:
【発明の名称】吸収性樹脂及びその製造方法、並びにその吸収性樹脂を含有する衛生用具
Document Type and Number:
Japanese Patent JP2816348
Kind Code:
B2
Abstract:
PCT No. PCT/EP90/01981 Sec. 371 Date Dec. 29, 1992 Sec. 102(e) Date Dec. 29, 1992 PCT Filed Nov. 20, 1990 PCT Pub. No. WO92/00108 PCT Pub. Date Jan. 9, 1992.The present invention relates to a powdery, water-insoluble, cross-linked resin which absorbs aqueous or serous liquids as well as blood and is composed of a) 55 to 99.9%-wt. polymerized, unsaturated, polymerizable, acid-groups-containing monomers which are neutralized to the extent of at least 25 mol-%, b) 0 to 40%-wt. polymerized, unsaturated monomers copolymerizable with a), c) 0.1 to 5.0%-wt. of a cross-linking agent, and d) 0 to 30%-wt. of a water-soluble polymer, whereby the weight amounts a) to d) relate to anhydrous polymer. The polymer is characterized by the fact that the resin powder has been coated with 0.1 to 5%-wt. of an alkylene carbonate, relative to resin powder, and heated to a temperature of 150 DEG to 300 DEG C. The present invention further relates to a method of producing said polymer and to the use thereof in sanitary articles, such as diapers and the like, and in absorbent constructions consisting of hydrophilic fibers and absorbing resin.
Inventors:
Damen, Kurt
Martens, Richard
Martens, Richard
Application Number:
JP50063491A
Publication Date:
October 27, 1998
Filing Date:
November 20, 1990
Export Citation:
Assignee:
Stockhausen GM Behr und companion car game
International Classes:
A61F5/44; A61F13/00; A61F13/49; A61F13/53; A61L15/16; A61L15/60; C08F8/00; C08F20/52; C08F220/04; A61L15/00; C08F220/06; C08F220/58; C08J3/12; C08J3/24; C08J7/04; C08J7/052; C08J7/056; C08L101/00; (IPC1-7): C08F220/06; A61F5/44; A61F13/00; A61F13/46; A61L15/16; A61L15/60; C08F8/00; C08F220/58; C08J3/12
Domestic Patent References:
| JP62218434A | ||||
| JP2127033A |
Attorney, Agent or Firm:
Muneharu Sasaki (3 outside)