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A kind of glass fiber reinforced pa66 automobile intake manifold material and preparation method thereof

An intake manifold and automobile technology, applied in the field of polymer materials, can solve the problem that the product is difficult to meet the requirements of safety and high stability, the intake manifold bears the pressure and vibration load for a long time, reduces the rigidity of the material, and the aging resistance, etc. problems, to achieve excellent machinability and mechanical properties, conducive to popularization and application, safety and high stability

Active Publication Date: 2021-02-19
GUANGDONG SHUNDE SHUNYAN NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

3. The intake manifold needs to withstand pressure and vibration load for a long time
However, the ability of additives to improve the surface problems of products is limited, and the addition of too many low-molecular-weight substances will reduce the rigidity and aging resistance of the material. Differences, easy to fluctuate during extrusion and granulation, these many unstable factors make it difficult for the product to meet the requirements of safety and high stability
The adoption of special production techniques and equipment will lead to higher production costs

Method used

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  • A kind of glass fiber reinforced pa66 automobile intake manifold material and preparation method thereof
  • A kind of glass fiber reinforced pa66 automobile intake manifold material and preparation method thereof
  • A kind of glass fiber reinforced pa66 automobile intake manifold material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1, glass fiber reinforced PA66 automobile intake manifold material of the present invention and its preparation

[0031] formula:

[0032] PA66 resin (relative viscosity 2.0-2.2) 35.2kg, PA6T resin (relative viscosity 2.4-2.6) 10.0kg, antioxidant (composed of antioxidant 1010 and antioxidant 1098 in a weight ratio of 2:1) 1.0kg , 0.3kg of silicone, 1.0kg of toughening agent POE, 0.5kg of zinc acetylacetonate, 52.0kg of alkali-free chopped glass fiber (5.0-8.0mm in length, 10-14μm in diameter).

[0033] Preparation:

[0034] S1. Put the PA66 resin and PA6T resin of the formula into the high mixer, and stir for 5 minutes at a rotation speed of 500r / min to obtain a mixed resin;

[0035] S2. Premix the antioxidant, silicone, toughening agent POE, zinc acetylacetonate and alkali-free chopped glass fiber for 5 minutes, then put it into the mixed resin, and stir at a speed of 1000r / min for 10 minutes , get the premix;

[0036] S3. Transfer the premixed material in...

Embodiment 2

[0037] Embodiment 2, glass fiber reinforced PA66 automobile intake manifold material of the present invention and its preparation

[0038] formula:

[0039] PA66 resin (relative viscosity 2.0-2.2) 39.4kg, PA6T resin (relative viscosity 2.4-2.6) 6.0kg, antioxidant (composed of antioxidant 1010 and antioxidant 1098 in a weight ratio of 3:1) 2.0kg , 0.5kg of OP wax, 2.0kg of toughening agent POE, 0.1kg of zinc acetylacetonate, 50.0kg of alkali-free chopped glass fiber (5.0-8.0mm in length, 10-14μm in diameter).

[0040] Preparation:

[0041] S1. Put the PA66 resin and PA6T resin of the formula into the high mixer, and stir for 10 minutes at a rotation speed of 800r / min to obtain a mixed resin;

[0042] S2. Premix the antioxidant, OP wax, toughening agent POE, zinc acetylacetonate and alkali-free chopped glass fiber for 10 minutes, then put it into the mixed resin, and stir for 15 minutes at a speed of 1500r / min , get the premix;

[0043] S3. Transfer the premixed material int...

Embodiment 3

[0044] Embodiment 3, glass fiber reinforced PA66 automobile intake manifold material of the present invention and its preparation

[0045] formula:

[0046] A66 resin (relative viscosity 2.0-2.2) 38.2kg, PA6T resin (relative viscosity 2.4-2.6) 7.0kg, antioxidant 1.6kg, OP wax 0.4kg, toughening agent POE 1.5kg, zinc acetylacetonate 0.3kg, Alkali-free chopped glass fiber (5.0-8.0 mm in length, 10-14 μm in diameter) 51.0 kg.

[0047] Preparation:

[0048] S1. Put the PA66 resin and PA6T resin of the formula into the high mixer, and stir for 10min at a speed of 600r / min to obtain a mixed resin;

[0049] S2. Premix the antioxidant, OP wax, toughening agent POE, zinc acetylacetonate and alkali-free chopped glass fiber for 10 minutes, then put it into the mixed resin, and stir for 15 minutes at a speed of 1000r / min , get the premix;

[0050] S3. Transfer the premixed material into a twin-screw extruder to melt, extrude, and granulate. The extrusion temperature is 220-260° C., and...

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Abstract

The invention belongs to the technical field of polymer materials, and particularly relates to a glass fiber reinforced PA66 automobile intake manifold material. The glass fiber reinforced PA66 automobile intake manifold material comprises the following raw materials by weight percentage: 35.0-40.0% of PA66 resin, 6.0-10.0% of PA6T resin, 1.0-2.0% of an antioxidant, 0.3-0.5% of a lubricant, 1.0-2.0% of a toughening agent, 0.1-0.5% of acetylacetonate and 50.0-52.0% of glass fiber. The material provided by the invention has good mechanical processing performance and mechanical properties, is lowin water absorption, stable in size, high in appearance quality, sufficient in strength, elastic modulus and impact strength, excellent in low-temperature impact resistance, high-temperature resistant, high-humidity resistant, high in anti-aging performance, long in service life, safe and high in stability, and meets high standards of automotive intake manifolds.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a glass fiber reinforced PA66 automobile intake manifold material and a preparation method thereof. Background technique [0002] The intake manifold is the most important part of the intake system of the automobile engine. The intake system determines the intake efficiency of the engine and the uniformity of the inflation of each cylinder, which has a great impact on the performance of the whole machine. The intake manifold is fixed on the cylinder head of the engine and is a hollow product with complex shape. It bears the heat and vibrations transmitted by the combustion of fuel in the combustion chamber of the cylinder head. The working environment of the intake manifold is complicated, and mainly has the following characteristics: 1. There are often heat radiation, conduction, and convection in the working environment. It can be changed in the range of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/06C08L83/04C08L91/06C08L23/08C08K13/04C08K7/14C08K5/134C08K5/20C08J5/04
CPCC08J5/043C08J2377/06C08J2423/08C08J2477/06C08J2483/04C08J2491/06C08K5/1345C08K5/20C08K7/14C08K13/04
Inventor 张钊鹏杨青山魏毅张平肖雄伟
Owner GUANGDONG SHUNDE SHUNYAN NEW MATERIALS
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