Paper diaper

摘要

Provided is a paper diaper which is safe to a wearer thereof and also has additional values of, for example, developing a plurality of colors and providing a practical effect of instantaneously detecting that the wearer has urinated, or the like. In a paper diaper 11 including a back sheet 13 for covering an outer side of an absorption body 14 for absorbing urine, an indicator portion 15 containing a colorless color-developing agent formed of an electron-donating coloration compound is formed by application on a wide range of an inner surface of the back sheet 13, and a color development assisting agent 16 is provided on the indicator portion 15. The color development assisting agent 16 is dissolved in the urine to contact the indicator portion 15, thus to cause the indication portion 15 to develop a color.

主权项

1. A paper diaper including a back sheet for covering an outer side of an absorption body for absorbing urine, the paper diaper comprising:
an indicator portion containing a colorless color-developing agent formed of an electron-donating coloration compound, the indicator portion being provided on the back sheet; and a color development assisting agent which is activated by water contained in the urine having a temperature of 36° C.±2° C. to contact the indicator portion, thus to cause the indication portion to develop a color, the color development assisting agent being provided in the vicinity of the indicator portion, wherein the color development assisting agent is in a powder form and is mixed in the absorption body.