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PA6/ASA alloy material and preparation method thereof

A technology of alloy material and ASA resin, which is applied in the field of PA6/ASA alloy material and its preparation, can solve the problems of poor mechanical properties, large difference in polarity and crystallinity, and poor appearance of PA6/ASA alloy, and achieve high toughness , The preparation method is simple, and the effect of appearance is good

Active Publication Date: 2021-07-20
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there is a large difference in polarity and crystallinity between PA6 resin and ASA resin, and the compatibility between the two is poor, resulting in poor mechanical properties of PA6 / ASA alloy prepared by conventional blending. The general method is to add a compatibilizer to the system In order to improve its mechanical properties, but the PA6 / ASA alloy also has poor appearance similar to yin and yang

Method used

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  • PA6/ASA alloy material and preparation method thereof
  • PA6/ASA alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation method of PA6 / ASA alloy material in the present embodiment is:

[0031] 60 parts of PA6 resin, 30 parts of ASA resin (prepared by emulsion polymerization), 5 parts of AS resin, 5 parts of SMA, 0.3 part of N,N'-bis-(3-(3,5-di-tert-butyl-4- Hydroxyphenyl) propionyl) hexamethylenediamine, 0.5 parts of pentaerythritol stearate are thoroughly mixed, then added into a twin-screw extruder, melted and extruded to obtain a PA6 / ASA alloy material, wherein the twin-screw extruder The processing parameters of the machine are: 200°C in zone 1, 230°C in zone 2, 240°C in zone 3 and 4, 230°C in zone 5 to zone 7, 220°C in zone 8 and 9, temperature of the head at 240°C, screw speed Controlled at 450rpm.

Embodiment 2

[0033] The preparation method of PA6 / ASA alloy material in the present embodiment is:

[0034] 45 parts of PA6 resin, 25 parts of ASA resin (prepared by emulsion polymerization), 5 parts of ABS resin with a glue content of 50%-60%, 15 parts of AS resin, 10 parts of SMA, 0.2 parts of N,N'-bis-( 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine, 0.3 parts of N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxy Phenyl)propionyl)hexamethylenediamine, 0.2 parts of silicone lubricant, 0.3 parts of N-N-hexylenebisstearamide, mixed well, then added to a twin-screw extruder, melted and extruded to obtain PA6 / ASA alloy material, in which the processing parameters of the twin-screw extruder are: 220°C in zone 1, 245°C in zone 2, 260°C in zone 3 and 4, 250°C in zone 5 to zone 7, 240°C in zone 8 and 9 , the head temperature is 250°C, and the screw speed is controlled at 440rpm.

Embodiment 3

[0036] The preparation method of PA6 / ASA alloy material in the present embodiment is:

[0037] 48 parts of PA6 resin, 20 parts of ASA resin (prepared by emulsion polymerization), 5 parts of ABS resin with a glue content of 50%-60%, 5 parts of maleic anhydride grafted SEBS, 20 parts of AS resin, 3 parts of SMA, 2 parts Parts of MBS, 0.2 parts of tris(2,4-di-tert-butyl)phenyl phosphite, 0.3 parts of N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propane Acyl)hexamethylene diamine, 0.3 parts of silicone lubricant, 0.3 parts of pentaerythritol stearate are fully mixed, then added to a twin-screw extruder, melted and extruded to obtain a PA6 / ASA alloy material, wherein, double The processing parameters of the screw extruder are: Zone 1 210°C, Zone 2 250°C, Zone 3 and Zone 4 260°C, Zone 5 to Zone 7 245°C, Zone 8 and Zone 9 230°C, Head Temperature 250°C, The screw speed is controlled at 500rpm.

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Abstract

The invention discloses a PA6 / ASA alloy material and a preparation method thereof. The PA6 / ASA alloy material is prepared from 45-60 parts by weight of PA6 resin, 20-30 parts by weight of ASA resin, 5-20 parts by weight of AS resin, 0-10 parts by weight of a flexibilizer, 0.3-0.5 part by weight of a lubricant, 4-10 parts by weight of a compatilizer and 0.3-0.5 part by weight of an antioxidant. The ASA resin is prepared by an emulsion polymerization method. Therefore, the PA6 / ASA alloy material is excellent in mechanical property and heat resistance and free of appearance undesirable phenomena of color shading and color shading.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a PA6 / ASA alloy material and a preparation method thereof. Background technique [0002] Polyamide 6, commonly known as nylon 6 (PA6), is widely used in the fields of automobiles, electrical appliances, chemical equipment, aviation and machinery. PA6 has excellent mechanical properties, self-lubrication, friction resistance, excellent insulation, and has good resistance to various chemicals, but PA6 resin raw materials are sensitive to notches, and the notch impact performance is not good, especially in cold weather. Obviously, there will be a risk of low temperature brittle fracture. These shortcomings largely limit the application of PA6. [0003] Acrylonitrile-styrene-acrylate resin, commonly known as ASA resin, has good weather resistance, impact resistance, heat resistance, and good chemical stability. It is widely used in automobile taillights, rearv...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L51/04C08L25/12C08L35/06C08L55/02C08L51/00
CPCC08L77/02C08L2201/08C08L2205/035C08L2205/08C08L51/04C08L25/12C08L35/06C08L55/02C08L51/006
Inventor 方浩俞建刘亮李荣群
Owner ORINKO NEW MATERIAL CO LTD
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