PEG-20M毛细管柱测定 纤维级聚酯（PET）切片中二甘醇GB/T 14190-2017

名称：毛细管柱

固定液：聚乙二醇

规格：30m*0.32mm*0.25um

型号：PEG-20M

应用：GB/T 14190-2017 纤维级聚酯（PET）切片试验方法

聚对苯二甲酸乙二酯（PET）的生产,不论是采用对苯二甲酸二甲酯（DMT）和乙二醇（EG）的酯交换法或是高纯度的对苯二甲酸（TPA）和乙二醇的直接酯化法,特别是直接酯化法,由于反应过程中副反应产生的二甘醇（DEG）以类似于乙二醇的方式而进入聚酯 。

浩瀚色谱（山东）应用技术开发有限公司采用气相色谱仪测定聚酯中的二甘醇含量,探讨了不同色谱参数对测试数据的影响,为采用该方法测定二甘醇含量的生产或研究工作提供了借鉴与指导。 

纤维级聚酯（PET）切片中二甘醇GB/T 14190-2017   测试谱图：


Diethylene glycol in fiber grade polyester (PET) chips GB/T 14190-2017
Diethylene glycol in fiber grade polyester (PET) chips GB/T 14190-2017 Details:

Name: capillary column

Fixative: polyethylene glycol

Specifications: 30m*0.32mm*0.25um

Model: PEG-20M

Application: GB/T 14190-2017 Fiber Grade Polyester (PET) Chip Test Method

Production of polyethylene terephthalate (PET), either by transesterification of dimethyl terephthalate (DMT) and ethylene glycol (EG) or high-purity terephthalic acid (TPA) In the direct esterification method with ethylene glycol, especially the direct esterification method, the diethylene glycol (DEG) produced by the side reaction during the reaction enters the polyester in a manner similar to that of ethylene glycol.

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used gas chromatograph to determine the content of diethylene glycol in polyester, and discussed the influence of different chromatographic parameters on the test data. for reference and guidance.

Diethylene glycol GB/T 14190-2017 test spectrum in fiber grade polyester (PET) chips: