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GB/T 12010.2-2010: Plastic -- Poly (vinyl alcohol) (PVAL) materials -- Part 2: Determination of properties
Status: Valid GB/T 12010.2: Evolution and historical versions
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| GB/T 12010.2-2010 | English | 489 |
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Plastic -- Poly (vinyl alcohol) (PVAL) materials -- Part 2: Determination of properties
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GB/T 12010.2-2010
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| GB/T 12010.2-1989 | English | 199 |
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Polyvinyl alcohol resins--Specification
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GB/T 12010.2-1989
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PDF similar to GB/T 12010.2-2010
Basic data | Standard ID | GB/T 12010.2-2010 (GB/T12010.2-2010) | | Description (Translated English) | Plastic -- Poly (vinyl alcohol) (PVAL) materials -- Part 2: Determination of properties | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 83.080.20 | | Word Count Estimation | 21,298 | | Date of Issue | 2010-09-02 | | Date of Implementation | 2011-05-01 | | Older Standard (superseded by this standard) | GB/T 12010.3-1989; GB/T 12010.4-1989; GB/T 12010.5-1989; GB/T 12010.6-1989; GB/T 12010.7-1989 | | Quoted Standard | GB/T 601; GB/T 603; GB/T 6682-2008; GB/T 12010.4-2010; GB/T 12010.5-2010; GB/T 12010.6-2010; GB/T 12010.7-2010; GB/T 12010.8-2010; JJG 1002 | | Adopted Standard | ISO 15023-2-2003, MOD | | Regulation (derived from) | National Standard Approval Announcement 2010 No.4 (Total No.159) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the method for measuring the performance of polyvinyl alcohol material. This section applies to performance measurement is greater than 70% alcohol solution (molar fraction) of polyvinyl alcohol material. In addition to GB/T 12010. 1 prescribed naming performance-degree of hydrolysis and viscosity, as used in this section also includes provisions other performance polyvinyl alcohol materials. | GB/T 12010.2-2010: Plastic -- Poly (vinyl alcohol) (PVAL) materials -- Part 2: Determination of properties
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Plastic Poly (vinyl alcohol) (PVAL) materials Part 2. Determination of properties
ICS 83.080.20
G31
National Standards of People's Republic of China
Replacing GB/T 12010.3 ~ 12010.7-1989
Plastic material polyvinyl alcohol (PVAL)
Part 2. Performance Measurement
Plastic-Poly (vinylalcohol) (PVAL) materials-
Part 2. Determinationofproperties
(ISO 15023-2.2003, MOD)
Issued on. 2010-09-02
2011-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 12010 "plastic material polyvinyl alcohol (PVAL)" is divided into eight sections.
--- Part 1. Designation system and basis;
--- Part 2. Performance measurement;
--- Part 3. Specifications;
Part --- Chapter 4. pH value measurement;
--- Part 5. Determination of the average degree of polymerization;
--- Part 6. Determination of particle size;
--- Part 7. Determination of sodium hydroxide;
--- Part 8. Determination of transparency.
This section GB/T Part 212 010, modification using ISO 15023-2.2003 "plastic polyvinyl alcohol (PVAL) materials
Part 2. Performance Measurement "(in English).
This section lists the reg number and ISO 15023-2 in Appendix F.2003 Chapter control list numbered strips.
Taking into account China's national conditions, in the use of ISO 15023-2.2003 when this part has made several modifications. About the technical differences have been incorporated into positive
This paper identifies and vertical single line in which they are involved with the provisions margin. These technical differences are given in Appendix G and
List the reasons for your reference.
For ease of use, the ISO 15023-2.2003 This section also made the following editorial changes.
--- The "ISO 15023-2.2003 this part" to "GB/T 12010 this part" or "this part";
"." --- With a decimal point instead of a comma as the decimal point, "";
--- Remove the ISO 15023-2.2003 Foreword;
--- Increasing the foreword of this part of the standard.
12010.3-1989 "polyvinyl alcohol resin viscosity measurement method" in this section instead of GB/T , GB/T 12010.4-1989 "Poly
Alcohol resin volatile Determination ", GB/T 12010.5-1989" residual polyvinyl acetate resin (or alcoholysis) Determination Party
Method ", GB/T 12010.6-1989" polyvinyl acetate resin determination method ", GB/T 12010.7-1989" polyvinyl alcohol
Resin ash determination. "
This part of GB/T 12010.3 ~ 12010.7-1989 main differences are as follows.
--- Determination of volatile conditions were changed regularly measured (GB/T 12010.4-1989, this edition of Appendix A);
--- Determination of sodium acetate increased conductance method (GB/T 12010.6-1989, this edition of Appendix B);
Determination of sodium acetate --- unabated during the calculation of the deduction of sodium hydroxide (GB/T 12010.6-1989, this edition of Appendix B);
--- Ash content was determined to be calculated method (GB/T 12010.7-1989, this edition of Appendix C);
--- Determination of the degree of alcoholysis, cancel reflux (GB/T 12010.5-1989, this edition of Appendix D) when the sample is heated and dissolved;
--- Measured viscosity increases chute falling ball method (GB/T 12010.3-1989, this edition of Appendix E);
Determination of the viscosity curve --- changed the natural logarithm of the concentration on the viscosity curve (GB/T 12010.3-1989, this edition of Appendix E).
This section of the Appendix A, Appendix B, Appendix C, Appendix D and Appendix E for the normative appendix, Appendix F, Appendix G is an informative annex.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee of plastic products and plastic resins General Methods Chapter (SAC/TC15/SC4) centralized.
This section is responsible for drafting unit. China Petrochemical Group of Sichuan Vinylon Works.
Participated in the drafting of this section. National Quality Supervision and Inspection Center of synthetic resin, Hunan Xiangwei Limited, a Yunnan-dimensional shares
the company.
The main drafters of this section. Yan Hong, Pu Li Jun, Li Bin, Lu Jiayun, Qinqing Wei, Wang Jiandong, Wangyong Gui, Tang Songqiao, Zhu Zeli, cold leather-hui.
This part of the standard replaces the previous editions are.
--- GB/T 12010.3-1989, GB/T 12010.4-1989, GB/T 12010.5-1989, GB/T 12010.6-1989,
GB/T 12010.7-1989.
Plastic material polyvinyl alcohol (PVAL)
Part 2. Performance Measurement
1 Scope
GB/T 12010 provisions of this part of the performance measurement methods polyvinyl material.
This section applies to performance measurement alcohol solution is greater than 70% (mole fraction) of the polyvinyl alcohol material.
In addition to naming the performance of GB/T 12010.1 specified --- degree of hydrolysis and viscosity, the present section also includes provisions commonly used in polyvinyl alcohol
Other properties of the material.
2 Normative references
The following documents contain provisions which, through reference GB/T 12010 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
Preparation of GB/T 601 chemical reagent standard titration solution
GB/T 603 chemical reagent in test methods - Preparations with
GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
GB/T 12010.4-2010 plastic material polyvinyl alcohol (PVAL) - Part 4. pH value measurement
GB/T 12010.5-2010 plastic material polyvinyl alcohol (PVAL) - Part 5. Determination of the average degree of polymerization
GB/T 12010.6-2010 plastic material polyvinyl alcohol (PVAL) - Part 6. Determination of particle size
GB/T 12010.7-2010 plastic material polyvinyl alcohol (PVAL) - Part 7. Determination of sodium hydroxide
GB/T 12010.8-2010 plastic material polyvinyl alcohol (PVAL) - Part 8. Determination of transparency
JJG1002 viscometer
3 Performance Measurement
3.1 part of water used in the absence of other specified requirements, are in line with GB/T 6682 tertiary water. Standard Test Method used
Standard solution, preparations and products were of analytical grade, unless otherwise stated according to GB/T 601, GB/T 603 was prepared.
Performance and measurement conditions specified in section 3.2 are shown in Table 1.
Table 1 Performance and measurement conditions
Property Method Unit Test Condition
Volatile content Appendix A% 105 ℃, 3h
Appendix B% sodium acetate content or conductivity titration method
Appendix C% ash content
Alcoholysis (value in mole fraction) Appendix D% titration
Appendix E mPa · s viscosity viscometer or chute falling ball viscometer
pH value of GB/T 12010.4-2010 1 pH meter
Size GB/T 12010.6-2010% sieving
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