包装材料在食品工业中占有重要地位。在全部包装材料的消耗中,用于食品的包装占一半左右。近年来随着超级市场的出现和快餐食品的兴起,包装材料和包装方式已出现许多重大变革,以食品包装为主体的包装行业正逐渐成为一个新的工业体系。 Packaging materials occupy an important position in the food industry. In all the consumption of packaging materials, packaging for food accounts for about half. In recent years, with the advent of supermarkets and the rise of fast foods, there have been many major changes in packaging materials and packaging methods. The packaging industry, with its main focus on food packaging, is gradually becoming a new industrial system.