Title:
WATER-ABSORBING RESIN
Document Type and Number:
Japanese Patent JPH05179053
Kind Code:
A
Abstract:
PURPOSE:To provide a water-absorbing resin containing a specific phosphoric acid salt, effective for preventing ill-odor, having high safety and useful for sanitary material, etc., such as paper diaper. CONSTITUTION:The objective water-absorbing resin is produced e.g. by incorporating a water-absorbing resin such as poly(meth)acrylic acid salt with preferably 0.05-2% of a phosphoric acid salt expressed by formula (M<1> is one or more univalent metal ion selected from silver, copper, zinc, tin, mercury, lead, iron, cobalt, nickel, manganese, arsenic, antimony, bismuth, barium, cadmium and chromium; A is one or more m-valent ion selected from alkali metal ion, alkaline earth metal ion, ammonium ion and hydrogen ion; M<2> is tetravalent metal; (n) is 0-6; (a) and (b) are positive numbers; a+mb is 1 or 2; c is 2 and d is 3 when a+mb=1, and c is 1 and d is 2 when a+mb=2).
Inventors:
YAMADA MIYUKI
KATO YUKARI
OKADA MINORU
KATO HIDEKI
KATO YUKARI
OKADA MINORU
KATO HIDEKI
Application Number:
JP35901291A
Publication Date:
July 20, 1993
Filing Date:
December 27, 1991
Export Citation:
Assignee:
TOA GOSEI CHEM IND
International Classes:
C08K3/32; C08K3/28; C08K7/00; C08L101/00; C08L101/14; (IPC1-7): C08K3/32; C08L101/00
Domestic Patent References:
| JPH0338504A | 1991-02-19 |