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GB/T 1632.3-2010: Plastics -- Determination of the viscosity of polymers in dilute solution using capillary viscometer -- Part 3: Polyethylenes and polypropylenes
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Plastics -- Determination of the viscosity of polymers in dilute solution using capillary viscometer -- Part 3: Polyethylenes and polypropylenes
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GB/T 1632.3-2010
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Basic data | Standard ID | GB/T 1632.3-2010 (GB/T1632.3-2010) | | Description (Translated English) | Plastics -- Determination of the viscosity of polymers in dilute solution using capillary viscometer -- Part 3: Polyethylenes and polypropylenes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 83.080.01 | | Word Count Estimation | 9,921 | | Date of Issue | 2010-09-26 | | Date of Implementation | 2011-08-01 | | Older Standard (superseded by this standard) | GB/T 1841-1980 | | Quoted Standard | GB/T 1632.1-2008; GB/T 8170; ISO 3105-1994 | | Adopted Standard | ISO 1628-3-2001, MOD | | Regulation (derived from) | National Standard Approval Announcement 2010 No.6 (Total No.161) | | 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 inherent viscosity of a dilute solution of polyethylene and polypropylene at 135��C (also called sticky number) and intrinsic viscosity measurement method. This standard applies to polyethylene and polypropylene, additives present in the sample may be dilute polymer solution viscosity measurements of impact. If the sample with fillers or other additives used for the determination of the viscosity of the result is not reliable. | GB/T 1632.3-2010: Plastics -- Determination of the viscosity of polymers in dilute solution using capillary viscometer -- Part 3: Polyethylenes and polypropylenes
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. Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometer Part 3. Polyethylenes and polypropylenes
ICS 83.080.01
G31
National Standards of People's Republic of China
Replacing GB/T 1841-1980
Plastic using a capillary viscometer.
Polymer dilute solution viscosity
Part 3. polyethylene and polypropylene
Part 3. Polyethylenesandpolypropylenes
(ISO 1628-3.2001, MOD)
Issued on. 2010-09-26 2011-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 1632 "plastic using a capillary viscometer polymer dilute solution viscosity" is divided into the following parts.
--- Part 1. General;
--- Part 2. PVC resin;
--- Part 3. polyethylene and polypropylene;
--- Part 4. polycarbonate molding and extrusion materials;
--- Part 5. homopolymer and copolymer thermoplastic polyester (TP);
--- Part 6. methyl methacrylate polymer.
This section GB/T 1632 Part 3.
The partial modification of the use of ISO 1628-3. Part 3 "plastic viscosity using a capillary viscometer dilute polymer solution 2001
Score. polyethylene and polypropylene "(in English).
This section according to ISO 1628-3.2001 redrafted.
This part of ISO 1628-3.2001 main technical differences are as follows.
--- Increased Normative references GB/T 8170 (see 2 and 8.2)
--- Increased solvent filtration requirements (see 4.1 and 5.11);
--- Increasing the main technical requirements table, viscometer using the ISO 3105 tables B.4 of 0B type or table B.9 Ubbelohde type of 0aDIN
Viscometer (see 5.1 and Table 1);
--- Changed the way high-temperature filtration Ubbelohde viscometer (see Figure 1);
--- Mechanical mixing heating appliance solution preparation (see 5.8 and 7.4.3) is used;
--- Increase the solution transfer procedure (see 7.5.1);
--- Increased as the solution does not filter, required to indicate in the report the requirements [see 7.5.1 and Chapter 9, f)].
For ease of use, this section made the following editorial changes.
--- Remove the ISO 1628-3.2001 Foreword;
--- Increase the national standard foreword;
--- To ISO 1628-3.2001 international standard referenced with the international standard has been adopted as the standard instead of the corresponding country, not
Direct reference to international standards for our standards.
This Part replaces GB/T 1841-1980 "Test Method resin dilute solution viscosity polyolefins."
This part of GB/T 1841-1980 main technical differences are as follows.
--- Viscometer using the ISO 3105.1994 in Table B.4 of 0B type or table B.9 of 0aDIN type Ubbelohde viscometer, a major increase
Technical Requirements Table (5.1 and Table 1);
--- Solution to be filtered, using a high temperature Ubbelohde viscometer (Figure 1);
--- Mechanical mixing heating appliance solution preparation (5.8 and 7.4.3) is used;
--- Solvent volume calculated using the formula (7.4.1,7.4.3);
--- Increased as the solution does not filter, required to indicate in the report the requirements [7.5.1 and Chapter 9, f)].
This part is proposed by the China Petroleum and Chemical Corporation.
This part of the National Standardization Technical Committee plastic plastic resins and petrochemical products Club (SAC/TC15/SC1) centralized.
This section is responsible for drafting unit. China Petroleum & Chemical Corporation North of Beijing Yanshan Branch hospital.
Participated in the drafting of this section. Beijing Eastern Petrochemical Co. additives Plant, Wuxi-kun Chemical Co., Ltd., Shanghai Chemical Industry Institute
Study Institute, Chinese Academy of Qilu Qilu Company.
The main drafters of this section. Chao first, to Wang Yan, Yang Li, Hu spar, Wang Zhichun, on behalf of Libin.
This part of the standard replaces the previous editions are.
--- GB/T 1841-1980.
Plastic using a capillary viscometer.
Polymer dilute solution viscosity
Part 3. polyethylene and polypropylene
1 Scope
This section GB/T 1632 provides for reduced viscosity of polyethylene and polypropylene at 135 ℃ dilute solution (also known as viscosity number) and intrinsic viscosity
Method for the determination of the degree.
This section applies to polyethylene and polypropylene materials.
Additives present in the sample may be a polymer dilute solution viscosity measurements impact. If the sample with fillers or other
Additives, viscosity measurement results by this method is not reliable.
Note. The reduced viscosity, also known as the Staudinger function (Jv), also known as intrinsic viscosity Staudinger index (Jg).
2 Normative references
The following documents contain provisions which, through reference to GB/T 1632 to the present, 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.
GB/T 1632.1-2008 plastic using a capillary viscometer dilute polymer solution viscosity - Part 1. General
(ISO 1628-1.1998, IDT)
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
ISO 3105.1994 glass capillary viscometer motion specifications and procedures
Principle 3
The solvent flow time and a predetermined concentration of the polymer solution was measured at 135 ℃. According to these measurements of flow time and the polymer
A known concentration of the solution viscosity and calculation of viscosity inherent characteristics.
At room temperature, polyethylene and isotactic polypropylene insoluble in any currently known solvent. Therefore, measures must be taken to prevent the test
Caused by precipitation of the polymer solution concentration is changed.
4 Solvent
4.1 decahydronaphthalene
Analytical reagent. At a temperature not higher than 65 ℃ and pressure of about 500Pa conditions for re-distillation. It should take appropriate methods to prevent decahydronaphthalene
The oxidation reaction occurred, for example, under the conditions of existence of hydroquinone distillation.
Redistilled immediately after the completion of adding antioxidants to prevent the oxidation of polymer solution viscosity, measured at, the mass fraction of antioxidant
0.2% for antioxidants are.
--- 4,4 'vulcanization - bis (3-methyl-6-tert-butyl) phenol;
--- Bis (2-hydroxy-3-tert-butyl-5-methyl) phenyl methane;
--- Octadecyl-3 (3 ', 5'-di-butyl-4'-phenyl) n-propyl;
--- Tetrakis [methylene-3- (3 ', 5'-di-t-butyl-4'-hydroxyphenyl) n-propyl] methane.
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