纤维级聚酯切片国标修订简介

Introduction to fiber grade PET chip national standard revision

本文对纤维级聚酯切片(PET)国标的粘度、端羧基、二甘醇、色值、水分等分析方法修订的各操作细节进行了阐述,有利于统一国标修订的理解,进一步规范聚酯切片的分析测试。

; In this paper, analysis methods of viscosity and end carboxyl groups, diethylene glycol, color val-ue ,moisture content in various operational details were studied during the fiber grade PET chip （ PET） national standard revising. It is beneficial to the understanding of the national standard revision, further standardize the a-nalysis of the polyester chip testing.