Wetness indicating hot-metal adhesives

Details Wetness indicating hot-metal adhesives Wetness indicating hot-metal adhesives

1986-03-17

1987-07-21

Foelak, Morton

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

524271, 524272, 524275, 524322, 524718, A61F 1316, A61F 1318, A61F 1320, C08J 2300

Patent

active

046815767

ABSTRACT:
A wetness indicating hot-melt adhesive which changes color quickly in response to the presence of moisture is disclosed which contains 20 to 70 wt. % of polymer, 35 to 100 wt. % of which is water sensitive polymer; 27 to 60 wt. % of organic acid which is selected from a high acid number fatty acid or a combination of a high acid number fatty acid and other high acid number organic acids; 0 to 30 wt. % of water soluble wax and a wetness indicating agent which changes the color of the composition rapidly in response to moisture therein.

REFERENCES:
patent: 3731685 (1973-05-01), Eidus
patent: 3952746 (1976-04-01), Summers
patent: 4231370 (1980-11-01), Mroz et al.
patent: 4325851 (1982-04-01), Colon et al.
patent: 4331576 (1982-05-01), Colon et al.

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