Multilayer thermoplastic film structures comprising at least one heat-sealable outer layer (A) and at least one core layer (B) are disclosed. Layer (A) has improved heat sealability after irradiation (e.g. electron beam). Layer (B) has improved shrinkage after irradiation. Layer (A) is a linear polyethylene...http://www.google.com.au/patents/US5089321?utm_source=gb-gplus-sharePatent US5089321 - Multilayer polyolefinic film structures having improved heat seal characteristics
