塑料问世至今仅近百年的历史，由于其性能优越、易于成型加工、成本低廉，发展极为迅速。十几年来从无至有，现在全世界的塑料总量已逾亿吨大关。包装是塑料制品应用最多的领域，约占塑料总量的25％，个别工业发达国家，塑料在包装中的应用高达30％以上；就整个包装材料而论， Plastic has come out so far only a hundred years of history, because of its superior performance, easy molding, low cost, the development is extremely rapid. Over the past decade or so, now the world’s total plastic output has exceeded 100 million tons mark. Packaging is the most widely used areas of plastic products, accounting for about 25% of the total plastic, individual industrialized countries, the application of plastic in packaging up to 30%; in terms of the entire packaging materials,