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塑料包装材料大量应用带来的环境污染已引起人们的重视。美国有些城市已发布命令禁止使用塑料类包装,因为废弃的各种塑料容器堆积成垃圾无法处理。有人提出用纸袋代替塑料袋,因为纸袋可在7天内腐烂,而塑料袋可持续400年。近年美国推出了一种由淀粉和合成纤维混合制成的包装袋,它可以在自然界中分解成水和二氧化碳。芬兰也将出现一种以腐烂新型塑料制成的包装袋,它是在新型塑料中掺入淀粉物质添加剂,使自然界中的微生物
Environmental pollution caused by mass application of plastic packaging materials has drawn people’s attention. Some cities in the United States have issued an order prohibiting the use of plastic packaging, because the discarded plastic containers stacked garbage can not handle. Paper bags have been proposed to replace plastic bags because paper bags can decay within seven days, while plastic bags can last for 400 years. In recent years, the United States has introduced a bag made of a blend of starch and synthetic fibers that breaks down into water and carbon dioxide in nature. There will also be a package of bags made of rotten new plastic in Finland that incorporates starchy additives in new plastics to make microbes in nature