abstract |
(57) [Summary] [PROBLEMS] Regarding cracking at low temperature, to prevent breakage so that the cracked container does not scatter, and to reduce the cost of buffer packing during transportation. . SOLUTION: A composite sheet in which a polyester resin sheet is further laminated on a polyester resin sheet via a polyolefin resin or a thermoplastic resin containing a rubber component is used as a material, and the composite sheet is thermoformed to produce a food. Container. |