扬子石化研究院在国内首次开发的聚丙烯片材日前获得国家食品卫生许可证。用该片材加工的一次性水杯光泽性好、耐热性强。该材料是同类传统透明聚丙烯的升级产品,其市场价格每吨高于原型料数百元。透明聚烯烃广泛应用于食品包装等领域,尤以一次 Yangzi Petrochemical Research Institute in the country for the first time developed a polypropylene sheet has recently obtained the national food hygiene license. Disposable cups processed with this sheet have good glossiness and high heat resistance. The material is similar to the traditional upgrade of transparent polypropylene products, the market price per ton higher than the prototype a few hundred dollars. Transparent polyolefins are widely used in food packaging and other fields, especially once