我国近几年食品用容器与包装材料大多采用各种塑料制成的，由于塑料制食品容器与包装材料用后不易处理，造成环境污染。为保护生态环境，许多国家已禁止使用塑料食品容器与包装材料。在我国许多城市已禁止使用塑料发泡餐盒。纸制食品容器与包装材料有许多优点，尤其是使用... In recent years, most of our food containers and packaging materials are made of various kinds of plastics, which are not easily handled due to the use of plastic food containers and packaging materials, resulting in environmental pollution. To protect the ecological environment, many countries have banned the use of plastic food containers and packaging materials. Many cities in our country have banned the use of plastic foam lunch boxes. Paper food containers and packaging materials have many advantages, especially the use of ...