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GB/T 36374.1-2018 English PDF (GBT36374.1-2018)

GB/T 36374.1-2018 English PDF (GBT36374.1-2018)

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GB/T 36374.1-2018: Plastics -- Sulfone polymer moulding and extrusion materials -- Part 1: Designation system and basis for specifications

GB/T 36374.1-2018
Plastics--Sulfone polymer moulding and extrusion materials--Part 1. Designation system and basis for specifications ICS 83.080.20
National Standards of People's Republic of China
Plastic sulfone polymer molding and extrusion materials
Part 1. Naming system and classification basis
Part 1. Designationsystemandbasisforspecifications
(ISO 25137-1.2009, IDT)
Published on.2018-06-07
2019-01-01 implementation
State Market Supervisory Administration
China National Standardization Administration issued
GB/T 36374 "Plastic sulfone polymer molding and extrusion materials" is divided into two parts. --- Part 1. The naming system and classification basis;
--- Part 2. Sample preparation and performance determination.
This part is the first part of GB/T 36374.
This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the translation method equivalent to ISO 25137-1.2009 "Plastic sulfone polymer molding and extrusion materials Part 1. Name System and Classification Foundation.
This part was proposed by the China Petroleum and Chemical Industry Federation. This part is under the jurisdiction of the National Plastics Standardization Technical Committee (SAC/TC15). This section drafted by. Blonde Technology Co., Ltd., Zhonglan Chenguang Chemical Research and Design Institute Co., Ltd., Shanghai Blonde Technology Development Co., Ltd., South China University of Technology.
The main drafters of this section. Huang Xianbo, Yuan Shaoyan, Zheng Wen, Zhao Ping, He Hui, Dai Yu, Ye Nanzhen, Liu Qixiang, Shi Xin. Plastic sulfone polymer molding and extrusion materials
Part 1. Naming system and classification basis
1 Scope
This part of GB/T 36374 specifies sulfone polymers including polysulfone (PSU), polyethersulfone (PESU) and polyphenylene sulfone (PPSU). A naming system for molded and extruded materials that can be used as a basis for classification. The type of sulfone polymer material is graded according to the following characteristic properties, and based on composition blending, recommended use, and/or processing Information on methods, important properties and additives, colorants, fillers and reinforcing materials are classified according to the classification method. a) load deformation temperature;
b) melt mass flow rate;
c) notched impact strength of simply supported beams;
d) tensile modulus of elasticity;
e) Tensile yield stress.
This section applies to all sulfone polymers containing etheroxy groups, which are essential components of such polymers and are also suitable for inclusion in associations. A sulfone polymer of benzene structure.
This section applies to powders, granules or granules of general-purpose materials that have not been modified or modified with colorants, additives, fillers, etc. This section does not mean that the same material must have the same performance. This section does not provide for the specific use of materials and / Or data on engineering data, performance data, or processing conditions required for processing methods. These additional properties can be determined as required by the test method specified in GB/T 36374.2. Additional requirements may be specified in Character Group 5 (see 3.1) in order to specify the specific use of a thermoplastic material or to ensure process reproducibility. 2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 1043-1 Plastic symbols and abbreviations - Part 1. Basic polymers and their characteristic properties (Plastics-Symbolsand abbreviatedterms-Part 1.Basicpolymersandtheirspecialcharacteristics)
Plastics and sulphuric acid polymers -- Part 2. Preparation and performance determination of samples (Plastics- Sulfonepolymermouldingandextrusionmaterials-Part 2.Preparationoftestspecimensanddetermi- Nationofproperties)
3 naming and classification system
3.1 Overview
The thermoplastic naming and classification system is based on the following standard modes. name
Description group
Feature project group
National standard
Quasi-number group
Single item group
Character group 1 character group 2 character group 3 character group 4 character group 5 The naming contains a description group and a feature item group labeled "thermoplastic", where the feature item group consists of a national standard number group and a single Item group composition. For explicit naming, the single component is a 5-character group with the following information. Character set 1. According to ISO 1043-1, specified by the abbreviated symbols, ie PSU, PESU or PPSU, and the composition of the polymer Sulfone polymer code (see ISO 1043-1, 1.3 and 3.2).
Character Set 2. Position 1. Recommended for specific applications and/or processing methods (see 3.3 of ISO 1043-1). Locations 2 through 8. Important properties, additives and additional information (see 3.3 of ISO 1043-1). Character set 3. Specify feature performance (see 3.4 of ISO 1043-1).
Character set 4. filler or reinforcement and its nominal content (see ISO 1043-1, 3.5). Character set 5. For the purpose of classification, the fifth character set containing additional information can be added (see 3.6 of ISO 1043-1). The first character of character group 1 should be a hyphen.
Comma separated by character groups.
If a character group is not used, it should be separated by a double comma (,,). 3.2 character set 1
In this character group, after the hyphen, the sulfone polymer material is represented by the abbreviation code PSU, PESU or PPSU according to ISO 1043-1. The chemical composition of the materials is shown in Table 1.
Table 1 Abbreviation codes for the composition of the main component of the polymer (≥75% by mass) in the character group 1 Chemical structure of the abbreviation code repeat unit
Oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene (dimethylmethylene)-1,4-phenylene PESU
(polyphenylene sulfone)
3.3 character set 2
In this character set, information on specific applications and/or processing methods is given at position 1, and important properties, additives, and Information such as coloring agents, the code is shown in Table 2.
If information is given at positions 2~8 and no specific information is given at position 1, then position 1 should be filled with X. Table 2 Letter code in character group 2
Letter code position 1 letter code position 2~8
A processing is stable
B blow molding B anti-blocking
C calendered C colored
D powder
E extrusion E foamable
F Extrusion film F Special flammability
G General G particles
H heat aging stable
K wire and cable coated with K metal passivated
L extruded monofilament L light or climate stable
M injection M plus nucleating agent
N true color (uncolored)
P impact modified
Q compression molding
R Rotational R R containing release agent
S Sinter S with lubricant
T strip processing T transparent
X not stated
Y improves conductivity
Z antistatic
3.4 character set 3
3.4.1 Overview
In this character set, the annealing treatment conditions of the sample before the load deformation temperature test are indicated by a letter code, and the interval of the load deformation temperature A code representation consisting of three numbers (see 3.4.2); the test conditions for melt mass flow rate are indicated by a letter code, and the value area The two-digit code is used (see 3.4.3); the interval of the notched impact strength of the simply supported beam is represented by the letter N plus a two-digit code (see 3.4.4); tensile modulus of elasticity is represented by a three-digit code (see 3.4.5); tensile yield stress is represented by a two-digit code (see 3.4.6). Each code is separated by a hyphen.
If the performance indicator value reaches or is close to this range limit, the manufacturer needs to declare the applicable interval for material naming. If subsequent The individual test values are not affected because the manufacturing tolerances fall on either or both sides of a given interval. Existing materials do not cover all A combination of characteristic performance values.
3.4.2 Load deformation temperature
The load deformation temperature is measured under the pressure of 1.8 MPa according to ISO 25137-2, and the dry material is used for the test spline. Injection molded. Annealing with a set of conditions in Table 3, and before the test, at temperature (23 ± 2) ° C and relative humidity (50 ± 10) Keep at least 24h under % conditions.
Table 3 Sample annealing conditions
Letter code temperature/°C time/h
A 140 4
B 170 1
C.200 1
The possible values of the load deformation temperature are divided into 12 intervals, each of which is represented by a code consisting of three numbers, as shown in Table 4. Table 4 Numeric code of load deformation temperature in character group 3 Digital code load deformation temperature range Tfe/° C
145 ≤150
155 150< ·≤160
165 160< ·≤170
175 170< ·≤180
185 180< ·≤190
195 190< ·≤200
205.200< ·≤210
215 210< ·≤220
225 220< ·≤230
235 230< ·≤240
245 240< ·≤250
255 >250
3.4.3 Melt mass flow rate
The melt mass flow rate (MFR) is tested in accordance with ISO 25137-2. The test conditions are shown in Table 5. The materials used are measured. It should be dry before the test.
Table 5 Test conditions for melt mass flow rate
Letter code test temperature/°C nominal load/kg
A 343 2.16
B 360 10.00
C 365 5.00
D 380 2.16
The possible values of MFR are divided into 7 intervals, each of which is represented by a code consisting of two numbers, as shown in Table 6. Table 6 Numeric Codes for Melt Mass Flow Rate in Character Set 3
Digital Code Melt Mass Flow Rate Range/(g/10min)
02 2< ·≤5
05 5< ·≤10
10 10< ·≤15
15 15< ·≤20
20 20< ·≤30
30 30< ·≤40
40 >40
3.4.4 Notched beam notched impact strength
The notched impact strength of the simply supported beam is tested in accordance with ISO 25137-2. The possible values of the notched impact strength of the simply supported beam are divided into 10 Interval, each interval is represented by a code consisting of the letter N and two numbers, as shown in Table 7. Table 7 Numeric code of the notched impact strength of the simply supported beam in the character group 3 Range of notched impact strength of digital code simply supported beam/(kJ/m2) N03 ≤4.0
N05 4.0< ·≤6.0
N07 6.0< ·≤8.0
N09 8.0< ·≤10
N15 10< ·≤20
N25 20< ·≤30
N35 30< ·≤40
N45 40< ·≤50
N55 50< ·≤60
N65 >60
3.4.5 Tensile modulus of elasticity
The tensile modulus of elasticity was tested in accordance with ISO 25137-2. The possible values are divided into 9 intervals, each with three numbers. The code representation of the composition, see Table 8.
Table 8 Numeric Codes for Tensile Elastic Modulus in Character Group 3
Range of tensile modulus of digital code/MPa
015 ≤.2000
020.2000< ·≤4000
040 4000< ·≤6000
Table 8 (continued)
Range of tensile modulus of digital code/MPa
060 6000< ·≤8000
080 8000< ·≤10000
100 10000< ·≤12000
120 12000< ·≤14000
140 14000< ·≤16000
160 >16000
3.4.6 tensile yield stress
The tensile yield stress is tested in accordance with ISO 25137-2. The possible values are divided into 7 intervals, and the value of each interval is divided into two numbers. The code representation of the word composition is shown in Table 9.
Table 9 Numeric Codes for Yield Stress in Character Set 3
Digital code tensile yield stress interval/MPa
60 ≤ 65
65 65< ·≤85
70 85< ·≤105
75 105< ·≤125
80 125< ·≤145
85 145< ·≤165
90 >165
3.5 character set 4
In this character set, position 1 is represented by a letter code indicating the type of filler and/or reinforcement material, and position 2 is represented by the second letter code table. Show physical form, see Table 10. Position 3 and Position 4 are represented by a two-digit numeric code indicating no mass between positions. Table 10 Letter code for fillers and reinforcements in character group 4 Letter code material letter code shape
B boron B hollow bead, spherical
C carbon a
D powdery, dry mixed state
F fibrous
G glass G granular, broken
H whisker state
K calcium carbonate
Table 10 (continued)
Letter code material letter code shape
L cellulose
M mineral a, b, metal a
S synthetic, organic a S scales, scaly
T talcum powder
X not specified X not specified
Z other b Z other
a These materials may be further defined by their chemical symbols or by additional symbols in accordance with the corresponding standards. For example, the metal material (M) is basically used The learning symbol indicates the metal type.
b If appropriate symbols are used, they should be used to more accurately name mineral fillers. The material mixture and/or shape can be represented by a combination of the corresponding codes and the entire combination in parentheses. For example, 25% A mixture of (mass) glass fiber (GF) and 8% (mass) mineral powder (MD), expressed as (GF25 MD08). 3.6 character set 5
This optional character set is an additional requirement to translate the name of a material into a material specification for a particular use. For example, refer to the appropriate Named by national or recognized specifications.
4 Name example
4.1 Naming
4.1.1 A polysulfone (PSU) molding and extrusion material for injection molding (M), testing for load deformation temperature after annealing at 170 ° C for 1 h At 181 ° C (B185), the glass fiber mass fraction is 30% (GF30), which is named. Name. GB/T 36374.1-PSU, M, B185, GF30
4.1.2 a polyethersulfone (PESU) molding and extrusion material containing 30% glass fiber (GF30) for injection molding (M) at a temperature of 380 ° C, The melt mass flow rate under the condition of 2.16 kg is 35 g/10 min (D30), and the tensile elastic modulus is 2300 MPa (020). named.
Name. GB/T 36374.1-PESU, M, D30-020, GF30
4.2 Naming into specifications
A polyphenylene sulfone (PPSU) molding and extrusion material containing 30% glass fiber (GF30) for injection molding (M) with special combustion Characteristic (F), melt mass flow rate 35g/10min (C30) at a temperature of 365 ° C and a load of 5 kg, tensile yield stress 70MPa (65), in line with ASTM D6394 standard requirements, named.
Name. GB/T 36374.1-PPSU, MF, C30-65, GF30, ASTMD6394SP0313G30A23460FL310 references
[1] ASTMD6394StandardSpecificationforSulfonePlastics(SP)

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