Document Type and Number:
Japanese Patent JPH025792
Kind Code:
B2
Abstract:
A wetness indicating hot-melt adhesive which changes color in response to the presence of moisture is disclosed, which contains 20 to 70 wt. % of polymer, about 28 to 10 wt. % of which is water sensitive polymer; 25 to 60% of organic acid which is selected from a high acid fatty acid, or rosin acid, or a combination thereof; 0 to 40% of water soluble wax; 0 to 60 wt. % of glycerlo monostearate; 0 to 55 wt. % of hydrogenated castor oil; 0 to 15 wt. % of polyalkylene wax; 0 to 60 wt. % of compatible plasticizer; and a wetness indicating agent which changes the color of the composition in response to moisture therein. The time of response of the color change can be controlled from aboutone second to a somewhat larger value as desired.
Inventors:
HAAMAN KORON
ARUBAATO MARETSUKII
ARUBAATO MARETSUKII
Application Number:
JP18210887A
Publication Date:
February 05, 1990
Filing Date:
July 20, 1987
Export Citation:
Assignee:
HAAMAN KORON
ARUBAATO MARETSUKII
ARUBAATO MARETSUKII
International Classes:
A61F13/42; A61F13/49; A61F13/53; A61L15/56; C08K5/00; C08K5/09; C09J7/04; C09J11/00; C09J123/02; C09J123/08; C09J131/04; C09J137/00; C09J139/06; C09J177/00; C09J191/06; C09J193/00; C09J201/00; G01N31/22; C08L93/04
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