CONTAINER FOR FOOD PRODUCTS AND METHOD OF ITS MOULDING

摘要

Containers made from polymeric material comprising: a shaped first material layer formed from a linear alternating polyketone polymer having repeating units of the formula -CO &lparstr& A &rparstr& wherein A represents a moiety derived from the same or different ethylenically unsaturated hydrocarbons polymerized through the ethylenic linkage, a cooperatively shaped second material layer formed by coating a copolymer of vinylidene chloride on at least one side of said first material layer, have good oxygen and water barrier properties, and are suitable for retorting or heating in both convection and microwave ovens without mechanical deterioration. n