Patent ID: 6465109
Filing Date: 2002-10-15
Classification: B32B,Y10T

Abstract:
A laminated film composite suitable for spiral packaging, which comprises at least two layers containing:(A) mixed-resin layer A comprising at least (i) a polyolefin resin having a resin density of more than 0.910 g/cm3, and (B) mixed-resin layer B comprising at least (I) a linear low density polyethylene resin having a resin density of 0.860 to 0.920 g/cm3, one of mixed-resin layer A or B further comprising (ii) a resin composition containing at least one kind of adhesiveness-rendering resin having a resin density of more than 0.950 g/cm3 selected from rosin resins, terpene resins or petroleum resins at a concentration of 0.002 to 12.0% by weight; the other layer further comprising (iii) a resin composition containing at least one kind of resin selected from the abovementioned adhesiveness-rendering resins at a concentration of 0.05 to 25.0% by weight and (iv) at least one kind of plasticizing oil selected from mineral oils, polybutene, polyisobutylene, liquid polyacrylates or lanolin at a concentration of 0.01 to 8.0% by weight.