HG/T 2709-2022 English Version, HG/T 2709-2022 Plastic - Determination of hydroxyl value of polyester polyols for production of polyurethane (English Version)

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HG/T 2709-2022 Plastic - Determination of hydroxyl value of polyester polyols for production of polyurethane (English Version)
Standard No.:	HG/T 2709-2022	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	7500 words	Translation Price(USD):	225.0 remind me the price change Email:
Implemented on:	2023-4-1	Delivery:	via email in 1~3 business day

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Standard No.:	HG/T 2709-2022
English Name:	Plastic - Determination of hydroxyl value of polyester polyols for production of polyurethane
Chinese Name:	塑料用于生产聚氨酯的聚酯多元醇羟值的测定
Professional Classification:	HG Professional Standard - Chemistry
Source Content Issued by:	MIIT
Issued on:	2022-10-20
Implemented on:	2023-4-1
Status:	valid
Superseding:	HG/T 2709-1995
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	225.0
Delivery:	via email in 1~3 business day

Standard

HG/T 2709-2022 Plastic - Determination of hydroxyl value of polyester polyols for production of polyurethane (English Version)
Standard No.	HG/T 2709-2022
Status	valid
Language	English
File Format	PDF
Word Count	7500 words
Price(USD)	225.0
Implemented on	2023-4-1
Delivery	via email in 1~3 business day

Detail of HG/T 2709-2022

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Introduction of HG/T 2709-2022

本文件规定了用于生产聚氨酯的聚酯多元醇羟值的四种测定方法。
方法A：乙酸酐-吡啶法。
方法B：乙酸酐-高氯酸-乙酸乙酯催化酰化法。
方法C：乙酸酐-甲基咪唑-二甲基甲酰胺酰化法。
方法D：近红外光谱法。
本文件方法A、方法B适用于常规聚酯多元醇(包括含苯环结构的聚酯多元醇)、聚己内酯多元醇、聚碳酸酯多元醇的羟值测定；
方法C适用于聚碳酸亚丙酯多元醇的羟值测定；
方法D适用于常规聚酯多元醇(包括含苯环结构的聚酯多元醇)羟值测定，其它种类聚酯多元醇可参考使用。
方法D不适用于仲裁。

Contents of HG/T 2709-2022

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Keywords:
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