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FZ/T 50028-2015: Polyvinyl alcohol fiber. Test method for initial dissolve temperature
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| FZ/T 50028-2015 | English | 119 |
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Polyvinyl alcohol fiber. Test method for initial dissolve temperature
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FZ/T 50028-2015
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Basic data | Standard ID | FZ/T 50028-2015 (FZ/T50028-2015) | | Description (Translated English) | Polyvinyl alcohol fiber. Test method for initial dissolve temperature | | Sector / Industry | Spinning & Textile Industry Standard (Recommended) | | Classification of Chinese Standard | W50 | | Classification of International Standard | 59.020.60 | | Word Count Estimation | 5,555 | | Date of Issue | 2015-07-14 | | Date of Implementation | 2016-01-01 | | Quoted Standard | GB/T 6682; GB/T 8170; GB/T 19466.1; GB/T 19466.3 | | Regulation (derived from) | PRC MIIT Announcement (2015 No.49) | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This Standard specifies the test method for soluble polyvinyl alcohol fiber starting temperature. This Standard applies to polyvinyl alcohol resin as raw material, high strength and high modulus polyvinyl alcohol fiber and processed by acetalization of polyvinyl alcohol fibers, polyvinyl alcohol fibers may refer to the other. | FZ/T 50028-2015: Polyvinyl alcohol fiber. Test method for initial dissolve temperature---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Temperature Test Method start dissolving polyvinyl alcohol fiber)
ICS 59.020.60
W50
People's Republic of China textile industry standards
Temperature Test Method start dissolving polyvinyl alcohol fiber
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 drafting unit. China Petrochemical Group of Sichuan Vinylon Works, Anhui Wanwei high-tech Materials Co., Ltd., Shanghai Textile
Industrial Technology Authority, China Chemical Fiber Industry Association.
The main drafters of this standard. Li Bin, Hu Jun, Tangcheng Hong, Li Hongjie, Li Zengjun.
Temperature Test Method start dissolving polyvinyl alcohol fiber
1 Scope
This standard specifies the test method for soluble polyvinyl alcohol fiber starting temperature.
This standard applies to polyvinyl alcohol resin as raw material, high strength and high modulus polyvinyl alcohol fiber and processed by the acetalized polyvinyl alcohol fiber
Victoria, polyvinyl alcohol fibers may refer to the other.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB/T 19466.1 plastic differential scanning calorimetry (DSC) - Part 1. General
GB/T 19466.3 plastic differential scanning calorimetry (DSC) - Part 3. melting and crystallization temperature and enthalpy determination
3 Terms and Definitions
GB/T 19466.1, GB/T 19466.3 as defined in the following terms and definitions apply to this document.
3.1
Start melting temperature initialdissolvetemperature
Under specified conditions, polyvinyl alcohol fibers in water with a temperature rise at the beginning of dissolution of the corresponding temperature.
Principle 4
Temperature-programmed mode with a differential scanning calorimeter (DSC), so that a given mass of polyvinyl alcohol fiber heat in a given volume of distilled water by
Solid began to dissolve. According to differential scanning calorimetry curve of the sample was measured, using the obtained extrapolation characterize their initial temperature of the initial temperature of the solution.
5 equipment and instruments
5.1 differential scanning calorimeter (DSC), the main properties are as follows.
a) can be 0.5 ℃/min ~ 20 ℃/min rate constant temperature;
b) to maintain a constant temperature in the test at least 60min within ± 0.5 ℃;
c) can be fragmented or other temperature-programmed heating mode;
d) in the range of gas flow 10mL/min ~ 50mL/min, in the control deviation of ± 10%;
e) the ability to distinguish the temperature signal in the 0.1 ℃, noise less than 0.5 ℃;
f) the instrument can automatically record DSC curve, and is able to curve the area between the baseline and integrating the deviation is less than 2%;
g) with one or more sample holder sample holder assembly.
5.2 pans. stainless steel, can be affixed to the seal cover lined with silicone rubber seals, and can withstand the pressure generated during the measurement.
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