polyesterDEAR SIR,WE NEED TO BUY SHOPPING BAGS THAT MADE OUT OF POLYESTEROR NON-WOVENNON-woven是无纺布,POLYESTER是什么材料啊 PP是POLYESTER

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/28 12:02:08
polyesterDEARSIR,WENEEDTOBUYSHOPPINGBAGSTHATMADEOUTOFPOLYESTERORNON-WOVENNON-woven是无纺布,POLYESTER是什么材

polyesterDEAR SIR,WE NEED TO BUY SHOPPING BAGS THAT MADE OUT OF POLYESTEROR NON-WOVENNON-woven是无纺布,POLYESTER是什么材料啊 PP是POLYESTER
polyester
DEAR SIR,
WE NEED TO BUY SHOPPING BAGS THAT MADE OUT OF POLYESTER
OR NON-WOVEN
NON-woven是无纺布,POLYESTER是什么材料啊 PP是POLYESTER

polyesterDEAR SIR,WE NEED TO BUY SHOPPING BAGS THAT MADE OUT OF POLYESTEROR NON-WOVENNON-woven是无纺布,POLYESTER是什么材料啊 PP是POLYESTER
PP是聚丙烯,不是聚酯!
聚酯是主链含有酯官能团的一类聚合物,比如涤纶,即聚乙烯对苯二甲酸酯( PET ),此外还有聚碳酸酯和聚丁酸酯等
会出来一堆卖聚酯的公司