Title:
環式カルバマート及び/又は環式尿素を用いて吸水性ポリマーを後架橋する方法
Document Type and Number:
Japanese Patent JP4873652
Kind Code:
B2
Abstract:
Disclosed is a process for postcrosslinking a water absorbing polymer by the polymer being treated with at least one postcrosslinker and postcrosslinked and dried during or after the treatment by raising the temperature, the at least one postcrosslinker being a cyclic carbamate or a cyclic urea, wherein the cyclic carbamate or the cyclic urea was obtained by reacting respectively an aminoalcohol or a diamine with a cyclic carbonate.
Inventors:
Kai Michael Exner
Thomas daniel
Mark Elliott
Ulrich Riegel
Thomas daniel
Mark Elliott
Ulrich Riegel
Application Number:
JP2007524238A
Publication Date:
February 08, 2012
Filing Date:
July 28, 2005
Export Citation:
Assignee:
BASF SE
International Classes:
C08J3/24; B01J20/26; C08F8/00; C08J3/12; C08K5/35; C08L101/14
Domestic Patent References:
| JP2002530491A | 2002-09-17 | |||
| JP2002504566A | 2002-02-12 | |||
| JP2002504597A | 2002-02-12 | |||
| JPS617260A | 1986-01-13 | |||
| JPS6097967A | 1985-05-31 |
Attorney, Agent or Firm:
Toshio Yano
Takuya Kuno
Einzel Felix-Reinhard
Takuya Kuno
Einzel Felix-Reinhard