STRUCTURES WITH MULTIPLE LAYERS POLYMER LAYER POLYMER FLUORIDE VINYLIDENE LINKED POLYMER LAYER PLASTIFIE OF VINYL CHLORIDE AND USE STRUCTURES FOR MANUFACTURING FLEXIBLE PACKAGING.

摘要

The polymer layer of polyvinylidene fluoride is bonded to the plasticized polymer of vinyl chloride by means of an adhesive mixture consisting of vinyl acetate copolymer and ethylene-vinyl chloride copolymer and ethylene-vinyl chloride copolymer and vinyl acetate, said mixture containing from 36 to 95% by weight vinyl acetate and having a dynamic viscosity at 100 ° C and 1 sec-1 equal to 55 kPa.s at least.