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Method for preparing little odor acrylonitrile-butadiene-styrene ternary copolymerized resin material using odor agglomerate

A technology of styrene terpolymer resin and acrylonitrile, which is applied in the field of preparing low-odor acrylonitrile-butadiene-styrene ternary copolymer resin materials by using odor masterbatch, can solve the problem that the impact performance of the material is greatly affected and does not have the Practical value and other issues, to achieve the effect of low odor characteristics and excellent physical and mechanical properties

Inactive Publication Date: 2006-02-08
SHANGHAI PRET COMPOSITES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problems caused by this method are: First, because activated carbon itself is black in color, it can only be used in black materials
However, through practice, we found that the addition of this mixture has a great influence on the basic physical and mechanical properties of ABS materials, especially the impact properties of the material, so it does not have great practical value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of masterbatch: Dry mix ABS60% and molecular sieve 40% in a high-speed mixer for 3-5 minutes, then melt-extrude in a twin-screw extruder and granulate. The process is: 200~ 210°C, 210-220°C in the second zone, 210-220°C in the third zone, 205-215°C in the fourth zone; the residence time is 1-2 minutes, and the pressure is 12-18Mpa.

[0033] Basic formula: dry mix ABS97.5%, toughener 2%, antioxidant 1680.25%, antioxidant 24500.25% in a high-speed mixer for 3-5 minutes, then melt in a twin-screw extruder Extrusion and granulation, the process is: 1st zone 200-210°C, 2nd zone 210-220°C, 3rd zone 210-220°C, 4th zone 205-215°C; residence time 1-2 minutes, pressure 12- 18Mpa.

[0034] The masterbatch prepared above was vacuum-packed in an aluminum foil bag and placed for a week, then mixed evenly with 4% of the masterbatch and 96% of the ABS material prepared by the basic formula, and injection molded various samples on an injection molding machine.

Embodiment 2

[0036] Preparation of masterbatch: Dry mix ABS60% and molecular sieve 40% in a high-speed mixer for 3-5 minutes, then melt-extrude in a twin-screw extruder and granulate. The process is: 200~ 210°C, 210-220°C in the second zone, 210-220°C in the third zone, 205-215°C in the fourth zone; the residence time is 1-2 minutes, and the pressure is 12-18Mpa.

[0037] Basic formula: dry mix ABS97.5%, toughener 2%, antioxidant 1680.25%, antioxidant 24500.25% in a high-speed mixer for 3-5 minutes, then melt in a twin-screw extruder Extrusion and granulation, the process is: 1st zone 200-210°C, 2nd zone 210-220°C, 3rd zone 210-220°C, 4th zone 205-215°C; residence time 1-2 minutes, pressure 12- 18Mpa.

[0038] The masterbatch prepared above was vacuum-packed in an aluminum foil bag and placed for a week, then mixed evenly with 3% of the masterbatch and 97% of the ABS material prepared by the basic formula, and injection molded various samples on an injection molding machine.

Embodiment 3

[0040] Preparation of masterbatch: Dry mix ABS60% and molecular sieve 40% in a high-speed mixer for 3-5 minutes, then melt-extrude in a twin-screw extruder and granulate. The process is: 200~ 210°C, 210-220°C in the second zone, 210-220°C in the third zone, 205-215°C in the fourth zone; the residence time is 1-2 minutes, and the pressure is 12-18Mpa.

[0041] Basic formula: dry mix ABS97.5%, toughener 2%, antioxidant 1680.25%, antioxidant 24500.25% in a high-speed mixer for 3-5 minutes, then melt in a twin-screw extruder Extrusion and granulation, the process is: 1st zone 200-210°C, 2nd zone 210-220°C, 3rd zone 210-220°C, 4th zone 205-215°C; residence time 1-2 minutes, pressure 12- 18Mpa.

[0042] The masterbatch prepared above was vacuum-packed in an aluminum foil bag and placed for a week, then mixed evenly with 2% of the masterbatch and 98% of the ABS material prepared by the basic formula, and injection molded various samples on an injection molding machine.

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Abstract

The invention relates to a method for preparing little odor acrylonitrile-butadiene-styrene ternary copolymerized resin material by utilizing odor agglomerate, which can effectively reduce the bad smell in ABS composite material, and is prepared from the following raw material (by weight percent), base resin 20-70, odor depressant 30-80, wherein the base resin comprises (by weight ratio) rubber 5-30%, acrylic nitrile 10-30%, phenylethene 40-70%, the odor depressant is alkali metal aluminosilicate powder, or one or combination of silica gel materials.

Description

technical field [0001] The present invention relates to a method for preparing low-odor acrylonitrile-butadiene-styrene terpolymer resin (ABS) material by using odor masterbatch, more specifically relates to the odor that can effectively suppress the unpleasant odor in the ABS composite material The inhibitor and the matrix resin are first made into a high-concentration odor masterbatch, then sealed, and finally mixed with the ABS material when the ABS material is molded to form a low-odor ABS material. Background technique [0002] Styrene acrylonitrile copolymer, namely ABS (acrylnitrole-butadiene-styrene copolymer), is a copolymer of acrylonitrile-butadiene-styrene, which is the most developed and changed variety among styrene series resins. Due to the advanced performance Compared with other resins, ABS has undoubted advantages and competitiveness due to its relatively low price. Therefore, ABS with various characteristics has been continuously developed and applied, whi...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K3/34B29B9/12B29C47/40
Inventor 翁永华张祥福周文
Owner SHANGHAI PRET COMPOSITES
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