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肉类和快餐食品包装薄膜与金属桶内衬、收缩和拉伸薄膜等非食品包装材料,是当今共挤材料发展的领域。共挤材料分为二大类,一类是树脂之间能良好地相互粘合的共挤材,另一类是不能很好粘合的挤出材料;这也是共挤粘合剂的发展可望在定制材料的复合中具有更大灵活
Combinations of meat and fast food packaging films and non-food packaging materials such as metal drum linings, shrink and stretch films are areas where today’s coextrusion materials are evolving. Co-extruded materials fall into two broad categories, one is a coextruded material that bonds well with one another and the other is an extruded material that does not adhere well; this is also the development of coextrusion adhesives Look for more flexibility in customizing composite materials