21世纪是环保世纪,环境问题日趋重要,资源、能源的日趋紧张,构筑循环经济社会,走可持续发展道路已成为全球关注焦点和迫切任务,并成为各行各业发展及人类活动的准则。为适应新时代的要求,塑料包装材料除要求能满足市场对包装质量和数量等日益提高的要求外,还要向拓宽应用领域以及塑料包装与环保谐调发展等方向努力。 The 21st century is the century of environmental protection. As environmental issues are becoming more and more important, resources and energy sources have become increasingly tense. Constructing a recycling economy and taking a sustainable development path has become a global concern and an urgent task. It has become the norm for the development of all walks of life and human activities. In order to meet the requirements of the new era, plastic packaging materials in addition to the requirements of the market to meet the packaging quality and quantity of the ever-increasing requirements, but also to broaden the application areas and plastic packaging and environmental harmony development efforts.