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Antibacterial high-toughness PA66/PPO composite material and preparation method thereof

A technology of PA66 and composite materials, which is applied in the field of antibacterial and high-toughness PA66/PPO composite materials and its preparation, can solve the problems of no mention of the mechanical properties and antibacterial properties of antibacterial plastics, poor antibacterial performance, and intolerance to non-polar solvents, etc. , to achieve long-lasting excellent antibacterial effect, long-lasting excellent antibacterial properties, and excellent mechanical properties

Inactive Publication Date: 2019-04-02
GUANGDONG ALDEX NEW MATERIAL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyhexamethylene adipate, referred to as PA66, commonly known as nylon 66, has excellent solvent resistance, easy processing, and high mechanical strength, but its dimensional stability is poor
Polyphenylene ether, referred to as PPO, has the advantages of good mechanical strength, creep resistance, stress relaxation resistance, high heat resistance, flame retardancy, and excellent electrical properties, but its impact toughness is poor, difficult to process and not resistant to non-polar Sexual solvent
PA / PPO alloy can combine the advantages of PA and PPO to make up for its shortcomings. It has excellent comprehensive performance, but the compatibility of PA and PPO is poor, and the mechanical properties of the composition obtained by direct blending are poor, especially the impact strength. Moreover, At present, the antibacterial properties of PA / PPO alloy materials are not good, which greatly limits the application of PA / PPO composite materials.
[0003] Chinese patent CN98117713 discloses the invention to prepare a high-toughness polyphenylene ether (PPO) / polyamide (PA) / functionalized rubber elastomer composition, and its content is respectively 5-75, 10-85, 5-50 by weight percentage , prepared by melt blending and melt injection molding, has high toughness and high elongation; Chinese patent CN200910199169 uses ultrasonic technology and reactive extrusion to prepare a compatibilized polyamide-polyphenylene ether composition; Chinese patent CN201310320581 discloses a composite antibacterial plastic alloy of PPO and PA66, which consists of the following components in parts by weight: 50 parts of PPO, 35-45 parts of PA66, 4-6 parts of compatibilizer SEBS-g-MAH, 0.6-0.8 However, none of the above patents mentioned how to take into account the impact strength and antibacterial properties of antibacterial plastics. It is necessary to provide a PA66 / PPO composite material with high impact strength and good antibacterial properties for easy expansion. The application prospect of this type of plastic is used in electronic appliances, automobile interior and exterior decoration and other fields

Method used

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  • Antibacterial high-toughness PA66/PPO composite material and preparation method thereof
  • Antibacterial high-toughness PA66/PPO composite material and preparation method thereof
  • Antibacterial high-toughness PA66/PPO composite material and preparation method thereof

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Embodiment 1

[0040]In this embodiment, a kind of antibacterial and high toughness PA66 / PPO composite material is prepared from the following raw materials in parts by weight:

[0041]

[0042] The preparation method of the above-mentioned antibacterial and high-toughness PA66 / PPO composite material, the specific steps are as follows:

[0043] After the dried polyhexamethylene adipate, polyphenylene ether PPO and 2-aminobenzimidazole, toluene diisocyanate, silver methacrylate, initiator and antioxidant are mixed uniformly according to the mass ratio, the mixture is extruded by twin-screw Exit machine melt extrusion and granulation, the process parameters are as follows: the temperature of the first zone is 230°C, the temperature of the second zone is 250°C, the temperature of the third zone is 250°C, the temperature of the fourth zone is 250°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, The temperature is 250° C., the die head temperature is 2...

Embodiment 2

[0045] In this embodiment, a kind of antibacterial and high toughness PA66 / PPO composite material is prepared from the following raw materials in parts by weight:

[0046]

[0047]

[0048] The preparation method of the above-mentioned antibacterial and high-toughness PA66 / PPO composite material, the specific steps are as follows:

[0049] After the dried polyhexamethylene adipate, polyphenylene ether PPO and 2-aminobenzimidazole, toluene diisocyanate, silver methacrylate, initiator and antioxidant are mixed uniformly according to the mass ratio, the mixture is extruded by twin-screw Exit machine melt extrusion, granulation, the process parameters are as follows: the temperature of the first zone is 240°C, the temperature of the second zone is 260°C, the temperature of the third zone is 260°C, the temperature of the fourth zone is 260°C, the temperature of the fifth zone is 260°C, the temperature of the sixth zone is 260°C The temperature is 250° C., the die head tempera...

Embodiment 3

[0051] In this embodiment, a kind of antibacterial and high toughness PA66 / PPO composite material is prepared from the following raw materials in parts by weight:

[0052]

[0053] The preparation method of the above-mentioned antibacterial and high-toughness PA66 / PPO composite material, the specific steps are as follows:

[0054] After the dried polyhexamethylene adipate, polyphenylene ether PPO and 2-aminobenzimidazole, toluene diisocyanate, silver methacrylate, initiator and antioxidant are mixed uniformly according to the mass ratio, the mixture is extruded by twin-screw Exit machine melt extrusion and granulation, the process parameters are as follows: the temperature of the first zone is 260°C, the temperature of the second zone is 260°C, the temperature of the third zone is 260°C, the temperature of the fourth zone is 260°C, the temperature of the fifth zone is 270°C, and the temperature of the sixth zone is 270°C. The temperature is 260°C, the die head temperature i...

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Abstract

The invention relates to an antibacterial high-toughness polyhexylenediamine adipate / polyphenylene oxide composite material and preparation method thereof. The composite material is prepared from: PA66, PPO, toluene diisocynate, silver methacrylate, 2-aminobenzimidazole, an initiator and an antioxidant. The composite material has excellent processability and anti-impact toughness and durable and great antibacterial effect, and can be applied to the fields, such as electronic and electrical, automobile interiors and exteriors, etc.

Description

technical field [0001] The invention relates to the field of polymer alloys, in particular to an antibacterial and high-toughness PA66 / PPO composite material and a preparation method thereof. Background technique [0002] Polyhexamethylene adipate, referred to as PA66, commonly known as nylon 66, has excellent solvent resistance, easy processing, and high mechanical strength, but its dimensional stability is poor. Polyphenylene ether, referred to as PPO, has the advantages of good mechanical strength, creep resistance, stress relaxation resistance, high heat resistance, flame retardancy, and excellent electrical properties, but its impact toughness is poor, difficult to process and not resistant to non-polar non-toxic solvents. PA / PPO alloy can combine the advantages of PA and PPO to make up for its shortcomings. It has excellent comprehensive performance, but the compatibility of PA and PPO is poor, and the mechanical properties of the composition obtained by direct blendi...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08K5/3447C08G18/48C08G18/60C08G18/76C08J3/24
CPCC08J3/24C08G18/4054C08G18/4879C08G18/603C08G18/7614C08J2375/04C08K5/3447
Inventor 易庆锋张远兵王灿耀方安平桑杰
Owner GUANGDONG ALDEX NEW MATERIAL CO LTD
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