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Low-temperature-resistant super-tough polyamide material

A low temperature resistant and super tough technology, applied in the field of polymer materials, can solve the problems of poor performance, unsatisfactory low temperature toughness of PA66, unstable dimensions, etc. Effect

Inactive Publication Date: 2016-10-12
NINGBO HUIBANG NOLY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because it contains a large number of acid amine groups and has strong water absorption, its size is unstable and its performance is poor.
In addition, its abrasion resistance, heat resistance, stability, etc. also need to be improved, and the low temperature toughness of PA66 is not ideal, which affects the application of PA66 materials in outdoor occasions

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0015] Low temperature resistant super tough nylon material, its raw material components include: PA66: 97kg, additives: 2kg, antioxidant: 0.5kg, lubricant: 0.1kg, coupling agent: 0.2kg. among them:

[0016] PA66 is a commercially available product with a material viscosity of 2.2~2.4dL / g and a melt index of 18~20g / 10min (the same below).

[0017] The auxiliary agent is: compatibilizer 493.

[0018] Antioxidant: H3336.

[0019] The lubricant is: TAF.

[0020] The coupling agent is: KH~550.

[0021] The preparation method adopts the conventional extrusion preparation method. In this embodiment, the preparation method is:

[0022] Dry PA66 at 100℃ for at least 4 hours with air blowing to make the moisture content not higher than 2%, then add the remaining components and mix well in the high-speed mixer model, and extrude the uniformly mixed materials in the twin-screw extruder Granulation.

[0023] Extruder setting parameters are shown in Table 1:

[0024] Table 1:

[0025]

[0026] The dif...

Embodiment 2

[0032] The auxiliary agent is: compatibilizer 493.

[0033] Antioxidant: Antioxidant 1010.

[0034] Lubricant: EBS.

[0035] The coupling agent is: A~1100.

Embodiment 3 and Embodiment 7

[0037] The auxiliary agent is: compatibilizer 493.

[0038] Antioxidant: Antioxidant 1076.

[0039] The lubricant is: silicone powder.

[0040] The coupling agent is: KH540.

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Abstract

The invention discloses a low-temperature-resistant super-tough polyamide material. The low-temperature-resistant super-tough polyamide material is prepared from, by weight, 84-97 parts of PA66, 2-15 parts of auxiliaries, 0-8 parts of POE, 0-3 parts of glass beads, 0.3-0.5 part of antioxidant, 0.1-0.4 part of lubricant and 0.2-0.3 part of coupling agent. The low-temperature-resistant super-tough polyamide material has the advantages of being good in low temperature resistance and super high in toughness.

Description

Technical field [0001] The invention relates to the technical field of polymer materials, in particular to a low-temperature resistant super-tough nylon material. Background technique [0002] Polyhexamethylene adipamide, commonly known as nylon 66, or PA66 for short, is one of the most important engineering plastics in the world. It has high mechanical strength, high rigidity, high melting point, low specific gravity, friction and oil resistance, and heat resistance. Good and other advantages, widely used in transportation, medical equipment, electronics, daily necessities, sporting goods and other fields. However, because it contains a large amount of acid amine groups, it has strong water absorption, resulting in unstable size and poor performance. In addition, its abrasion resistance, heat resistance, stability, etc. also need to be improved, and the low temperature toughness of PA66 is not ideal, which affects the application of PA66 materials in outdoor occasions. That is...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L23/08C08K13/04C08K7/20C08K5/544C08K5/134C08K5/526
CPCC08L77/06C08K5/1345C08K5/526C08K5/544C08K2201/003C08L2205/03C08L23/0815C08K13/04C08K7/20
Inventor 顾云柱
Owner NINGBO HUIBANG NOLY TECH CO LTD
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