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FZ/T 50032-2015 English PDF

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FZ/T 50032-2015: Determination of residual solvent content in PAN-based carbon fiber precursors
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FZ/T 50032-2015: Determination of residual solvent content in PAN-based carbon fiber precursors

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Determination of residual solvent content in PAN-based carbon fiber precursors ICS 59.060.20 W50 People's Republic of China textile industry standards PAN-based carbon fiber precursor residual solvent testing methods Issued on. 2015-07-14 2016-01-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Textile Industry Association. This standard by the Shanghai textile industry technical supervision of the centralized. This standard was drafted. Ningbo Institute of Material Technology and Engineering, Zhejiang Jinggong new materials Co., Ltd., Guangzhou fiber Product Inspection Institute, Jiangsu Province, high-performance fiber Product Quality Supervision and Inspection Center, China Sinopec Shanghai Petrochemical Co., Ltd., Jiangsu Heng Su God Fiber Materials Co., Ltd., Handan City, Silicon Valley, New Materials Co., Ltd, China Chemical Fiber Industry Association, Shanghai Textile Industrial Technology Authority. The main drafters of this standard. Li Dehong to peak, Zhang Jinwei, Lide Li, Bai Yanhua, Liu Zhongling, Zhiqiang, Liu Guoying, De Zhou Zhen, Zhong Junjun, Xuecai Zhi, Sun Xingxiang, Wang Yuping, CHEN Li group. PAN-based carbon fiber precursor residual solvent testing methods

1 Scope

This standard specifies the PAN-based carbon fiber precursor residual solvent testing methods --- Gas Chromatography (Method A), colorimetric method (Method B) and mercury salts titration (Method C). Method A and Method B is applicable to dimethyl sulfoxide (DMSO), dimethylacetamide (DMAC) as a solvent of PAN-based carbon fiber Victoria raw silk, the method of arbitration A. Method C is applicable to sodium thiocyanate (NaSCN) as a solvent, PAN-based carbon fiber precursor.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 3291.1 textile material properties and test - Part 1. fibers and yarns GB/T 4146.1 Textiles chemical fiber - Part 1. generic name GB/T 4146.3 Textiles chemical fiber - Part 3. Testing Terminology Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 repair value expressed about the rules and limit values and judgment

3 Terms and Definitions

GB/T 3291.1, terms and definitions GB/T 4146.1 and GB/T 4146.3 defined apply to this document. 4 Gas Chromatography (Method A) 4.1 Principle Extracted with water PAN-based carbon fiber precursor of residual solvents by gas chromatography internal standard method to test extracts were calculated residual solvent Retention rate. 4.2 Equipment 4.2.1 Gas Chromatograph equipped with the following devices. --- Capillary split/splitless inlet; --- FID detector; --- Oven temperature to meet the chromatographic conditions; --- Recording device, an electronic integrator or chromatography workstation. 4.2.2 Column. Polyethyleneglycol capillary column, or to meet other requirements of the separation capillary column, reference parameters in Table 1.
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