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

3.1 Overview

The thermoplastic naming and classification system is based on the following standard modes.

name

Description group

(optional)

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

PSU

(polysulfone)

Oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene (dimethylmethylene)-1,4-phenylene

PESU

(polyethersulfone)

Oxy-1,4-phenylenesulfonyl-1,4-phenylene

PPSU

(polyphenylene sulfone)

Oxybiphenyl-4,4'-dioxy-1,4-phenylenesulfonyl-1,4-phenylene

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

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

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

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

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.

4.1 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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