Abstract: The present invention provides a shrink-wrapped package comprising at least one article shrink-wrapped with a polyester film containing an ethylene terephthalate unit, the shrink-wrapped package having a portion of sealing and cutting whose starting point has a movement distance of 10 &mgr;m or less.

Abstract: The present invention provides a shrink-wrapped package comprising at least one article shrink-wrapped with a polyester film containing an ethylene terephthalate unit, the shrink-wrapped package having a portion of sealing and cutting whose starting point has a movement distance of 10 &mgr;m or less.

Abstract: The present invention provides a low temperature heat shrinkable film for labeling comprising at least one layer of a thermoplastic resin, in whose correlation diagram showing the relation between the heat shrinkage percentage Y at 80° C. in one direction and the heat shrinkage time t (1≦t≦5), the gradient Y′ is in an area between the gradients satisfying Equations 1 and 2 and the heat shrinkage percentage Y is in an area between the heat shrinkage percentages satisfying Equations 3 and 4: Y′=−1.05t2+12.05t  (Equation 1) Y′=−0.30t2+2.90t  (Equation 2) Y=−1.05t2+12.05t+40  (Equation 3) Y=−0.30t2+2.

Abstract: A method for improving the internal surface of a gas-barrier, when required heat-shrinkable, multi-layer plastics film laminate in the form of a seamless tube having the innermost layer of olefin resin, the method including applying corona discharge employing at least two pairs of electrodes to the innermost layer from the outside of the tube having a gas sealed therein and pressed to a flat state avoiding the contact of opposed surface areas of innermost olefin resin layer with each other, the two pairs of electrodes being arranged such that one electrode of each pair is in contact with the outermost layer of the tube and the other of the same pair out of contact therewith while one electrode of one pair is kept in contact with the outermost layer of the tube with which one electrode of another pair is kept out of contact on the same side of the tube, so that the wetting tension of the innermost layer surface is increased to at least 35 dyne/cm by the corona discharge treatment.

Abstract: Disclosed is a food-packaging material comprising a heat-shrinkable, gas-barrier, multi-layer plastics film having an innermost layer of polyolefin resin to be contacted with the food to be packed, the food-packaging material being characterized in that the polyolefin resin layer has a surface treated by corona discharge.

Abstract: A film for print laminates comprises a film substrate and a heat-sensitive adhesive resin layer made of polyethylene, a copolymer containing at least 70 wt % of ethylene or a mixture of polymers at least 70 wt. % in total ethylene content. The resin layer is surface-treated by corona discharge in a nitrogen gas atmosphere having an oxygen concentration of less than 20.9 vol. % and has incorporated therein 0.2 to 5 wt. % of a finely divided white material having a mean particle size of 0.2 to 20 microns. When laminated to a print such as printed paper, the film permits the print to retain its original finish and color free of changes despite the lamination.