ABS//PET alloy and method for producing the same

A technology of alloy and composition, which is applied in the field of ABS/PET alloy and its preparation, can solve the problems of unstable size, low impact performance, and restrictions on the application of PET, and achieve excellent physical and mechanical properties, low cost, and simple preparation process Effect

Inactive Publication Date: 2009-08-19
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PET is used alone, and there are shortcomings such as low impact performance and unstable size, which restric

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The weight ratio of ABS is 71.3% (hereafter all are weight ratio), PET15%, reinforcing agent 5%, 1010 / 1680.2 / 0.2%, compatibilizer 3%, toughening agent 5%, lubricant 0.3%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each zone of the screw are: zone 1 temperature: 200°C; zone 2: 210°C; zone 3: 220°C; zone 4: 230°C; zone 5: 230°C; zone 6: 230°C; zone 7: 230 ℃; Zone 8: 220℃; Machine head: 220℃; residence time 2-3min. The pressure is 15MPa.

Embodiment 2

[0033] The weight ratio of ABS is 56.1% (hereafter all are the weight ratio), PET20%, reinforcing agent 10%, 1010 / 1680.2 / 0.2%, compatibilizer 5%, toughening agent 8%, lubricant 0.5%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each zone of the screw are: zone 1 temperature: 200°C; zone 2: 210°C; zone 3: 220°C; zone 4: 230°C; zone 5: 230°C; zone 6: 230°C; zone 7: 230 ℃; Zone 8: 220℃; Machine head: 220℃; residence time 2-3min. The pressure is 15MPa.

Embodiment 3

[0035] The weight ratio of ABS is 35.8% (hereafter all are weight ratio), PET30%, reinforcing agent 15%, 1010 / 1680.2 / 0.2%, compatibilizer 8%, toughening agent 10%, lubricant 0.8%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each zone of the screw are: zone 1 temperature: 200°C; zone 2: 210°C; zone 3: 220°C; zone 4: 230°C; zone 5: 230°C; zone 6: 230°C; zone 7: 230 ℃; Zone 8: 220℃; Machine head: 220℃; residence time 2-3min. The pressure is 15MPa.

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Abstract

The invention discloses an ABS/PET alloy and a preparation method thereof. The ABS/PET alloy comprises the components with the weight percentage as follows: 21-72 percent of ABS, 14-60 percent of PET, 3-10 percent of compatilizer, 0.4-0.6 percent of antioxidant, 5-15 percent of toughener and 0.3-1 percent of lubricant. In the invention, proper compatilizer and intensifier are selected to melt an ABS system and a PET system together very well and the material which has stable size, high strength, high modulus and high fluidity is produced. The ABS/PET alloy integrates the advantages of ABS and PET and improves the heat resistance, impact resistance, processability and the like of the PET. The method for manufacturing the ABS/PET alloy comprises the technical steps as follows: firstly, the raw materials are mixed in proportion as above and then are put into a plastic extruder to be granulated at the temperature controlled within 230 DEG C to 260 DEG C; and the ABS/PET alloy is obtained.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an ABS / PET alloy and a preparation method thereof. Background technique [0002] ABS resin is currently the largest and most widely used plastic. It not only has the mechanical properties of toughness, hardness and rigid phase balance, but also has good dimensional stability, low temperature resistance and processing fluidity. ABS is acrylonitrile-butadiene-styrene terpolymer, which combines the gloss and formability of styrene, the rigidity and chemical resistance of acrylonitrile and excellent mechanical properties, and the resistance of butadiene. Shocking. [0003] PET (polyethylene terephthalate) is a semi-crystalline material with very good chemical stability, mechanical strength, electrical insulation properties and thermal stability, especially excellent oil resistance and solvent resistance. When PET is used alone, there are disadvantages such as low impact ...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L67/02C08K5/134C08K5/526B29B9/00B29C47/92C08L9/02C08L33/14B29C48/92
CPCB29C48/04B29C48/40B29C48/9185B29C48/92B29C2948/92514B29C2948/92561B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 徐东贺永杨德武
Owner SHENZHEN KEJU NEW MATERIAL
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