To provide a packaging material suitable for a disposable body warmer which is excellent in low-temp. sealability, extraneous material sealability and hot tack property and is inexpensive and a bag for the throw-away body warmer obtd. by forming this packaging material as a bag.
This packaging material for the disposable body warmer consists of a laminate composed of a span bonded nonwoven fabric layer (preferably having a hot melt area rate of 10 to 30%) made of polypropylene and a resin layer contg. a film layer consisting of a resin (preferably having a melting point of 70 to 120°C) contg. straight chain low density polyethylene(LDPE) produced by using a metallocene catalyst. This bag for the throw-away body warmer is formed by laminating the film layer consisting of the resin contg. the straight chain LDPE as a hot adhesive layer at the time of bag making.
Matsumoto, Tadahiro
Ikuga, Yasunori
Next Patent: LITTER WITH TURNABLE PILLOW