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Foamed polyphenyl ether/polystyrene blended alloy material and its preparation method

A polystyrene and polyphenylene ether technology, which is applied in the field of foamed polyphenylene ether/polystyrene (PPO/PS) blended gold materials and their preparation, can solve the problem of high technical equipment requirements and high process control requirements. Control, expensive equipment and other problems, to achieve the effect of outstanding physical and mechanical properties, excellent physical and mechanical properties, and easier process control

Inactive Publication Date: 2014-07-09
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using the chemical foaming method, due to the low viscosity of the traditional resin matrix such as PP and PE in the processing temperature range, the gas decomposed by the foaming agent is difficult to maintain in the resin, and it is necessary to improve the melt strength of the resin matrix by cross-linking process, etc. , the process control requirements are high and difficult to control, resulting in unstable foaming and difficult to control
The physical foaming method mostly uses nitrogen or carbon dioxide as the foaming agent to foam through the supercritical process. However, the supercritical method requires high technical equipment, the equipment is relatively expensive, and the technology is difficult.

Method used

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  • Foamed polyphenyl ether/polystyrene blended alloy material and its preparation method
  • Foamed polyphenyl ether/polystyrene blended alloy material and its preparation method
  • Foamed polyphenyl ether/polystyrene blended alloy material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Weigh the raw materials of each component according to the following parts by weight:

[0027]

[0028]

[0029] The above raw materials are mixed at a high speed by a high-speed mixer. The high-speed mixer speed is 1000rmp, the mixing temperature is 40°C, and mixed for 10 minutes; the mixed material is passed through a twin-screw extruder, and the temperature of each zone is controlled at 260-290°C. Diced;

[0030] (2) Mix the granulated particles with 5 parts of foaming agent azodicarbonamide at high speed with a high-speed mixer, the speed of the high-mixer is 1000rmp, the mixing temperature is 40°C, mix for 10min, and extrude through the extruder That is, foamed polyphenylene ether / polystyrene material, and its related properties are shown in Table 1.

Embodiment 2

[0032] (1) Weigh the raw materials of each component according to the following parts by weight:

[0033]

[0034] The above raw materials are mixed at a high speed by a high-speed mixer, the speed of the high-speed mixer is controlled at 800rmp, the mixing temperature is 80°C, and the mixture is mixed for 3 minutes; the mixed material is passed through a twin-screw extruder, and the temperature of each zone is controlled at 240-265°C , extruder strand pelletizing strand pelletizing;

[0035] (2) The granulated particles and 2 parts of foaming agent barium azodicarboxylate are mixed at high speed by a high-speed mixer. The high-speed mixer speed is 800rmp, the mixing temperature is 40°C, mixed for 10min, and extruded by an extruder That is, foamed polyphenylene ether / polystyrene material, and its related properties are shown in Table 1.

Embodiment 3

[0037] (1) Weigh the raw materials of each component according to the following parts by weight:

[0038]

[0039] The above raw materials are mixed at a high speed by a high-speed mixer. The speed of the high-speed mixer is 900rmp, and the mixing temperature is 60°C. After mixing for 6 minutes, the mixed material is passed through a twin-screw extruder. The temperature of each zone is controlled at 250-280°C. Straw dicing Strand dicing;

[0040] (2) The granulated particles and 1.8 parts of foaming agent N, N-dinitrosopentamethylenetetramine are mixed at high speed by a high-speed mixer. The high-speed mixer speed is 900rmp, and the mixing temperature is 40°C. After mixing for 10 minutes, the foamed polyphenylene ether / polystyrene material can be obtained by extruding through an extruder, and its related properties are shown in Table 1.

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Abstract

The invention belongs to the technical field of a high-molecular material, and relates to a foamed polyphenyl ether / polystyrene blended alloy material and its preparation method. The foamed polyphenyl ether / polystyrene blended alloy material comprises the following components by weight: 20-70 parts of polyphenyl ether, 20-75 parts of polystyrene, 5-10 parts of glass fiber, 1-5 parts of foaming agent, 0.2-0.6 parts of anti-oxidant, 0.2-1.0 part of coupling agent and 0.2-0.7 parts of lubricant. The prepared foamed polyphenyl ether / polystyrene blended alloy material has the characteristics of lightweight, insulation, heat insulation, sound insulation and the like, and has excellent physical and mechanical properties.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to a foamed polyphenylene ether / polystyrene (PPO / PS) blended alloy material and a preparation method thereof. Background technique [0002] Foam materials are widely used in various fields of social life because of their light weight, heat insulation and other advantages, and develop rapidly. [0003] At present, the traditional foaming material preparation methods can be divided into physical foaming method and chemical foaming method. Using the chemical foaming method, due to the low viscosity of the traditional resin matrix such as PP and PE in the processing temperature range, the gas decomposed by the foaming agent is difficult to maintain in the resin, and it is necessary to improve the melt strength of the resin matrix by cross-linking process, etc. , The process control requirements are high and difficult to control, resulting in unstable foaming and difficult to co...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L71/12C08K13/04C08K7/14C08J9/10B29C47/92B29B7/28B29C48/92
CPCB29B7/46B29B7/72B29B7/7461B29B7/90B29B9/06B29B9/12B29B9/14B29C48/04B29C48/397B29C48/40B29C48/92B29C2948/92104B29C2948/922B29C2948/92409B29C2948/92619B29C2948/92695B29C2948/92704
Inventor 杨桂生赵亚囡赵敏
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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