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Basalt-long-fiber-enhanced polypropylene composite material and application thereof

A basalt fiber and composite material technology, applied in electrical components, circuits, battery pack parts and other directions, can solve the problems of difficult molding process and heavy weight, and achieve the effects of light weight, low production cost and good environmental protection.

Inactive Publication Date: 2017-05-31
扬州市邗江扬子汽车内饰件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the car battery boxes assembled on new energy electric vehicles in the domestic market are all steel frame structures, which are formed by stamping and welding processes. The forming process of this steel frame structure is difficult and heavy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:

[0030] 20 parts of modified basalt fiber;

[0031] High melting point polypropylene (PP) 80 parts;

[0032] 10 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;

[0033] 5 parts of elastomer;

[0034] 5 parts of flow modifier;

[0035] 5 parts of 5000 mesh high mesh talcum powder.

[0036] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:18. The epoxy resin is a bisphenol A glycidyl ether epoxy resin. Stir and react in an oil bath at 50°C for 3.5 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 1.8:100 to prepare a hybrid slurry for basalt fiber modification, coat it on the surface of continuous basalt fiber, and obtain modified basalt fiber after drying...

Embodiment 2

[0046] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:

[0047] 30 parts of modified basalt fiber;

[0048] High melting point polypropylene (PP) 60 parts;

[0049] 10 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;

[0050] 5 parts of elastomer;

[0051] 5 parts of flow modifier;

[0052] 5 parts of 6000 mesh high mesh talcum powder.

[0053] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:19. The epoxy resin is a bisphenol A glycidyl ether epoxy resin. Stir and react in an oil bath at 55°C for 4.5 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 2.2:100 to prepare a hybrid slurry for basalt fiber modification, coat it on the surface of continuous basalt fiber, and obtain modified basalt fiber after drying...

Embodiment 3

[0063] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:

[0064] 30 parts of modified basalt fiber;

[0065] High melting point polypropylene (PP) 80 parts;

[0066] 5 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;

[0067] 5 parts of elastomer;

[0068] 5 parts of flow modifier;

[0069] 5 parts of 7000 mesh high mesh talcum powder.

[0070] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:18, the epoxy resin is bisphenol A glycidyl ether epoxy resin, stirred and reacted in an oil bath at 50~55°C for 4 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 1:50 to prepare hybrid slurry for basalt fiber modification, which is coated on the surface of continuous basalt fiber, and modified basalt fiber is obtained...

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Abstract

The invention discloses a basalt-long-fiber-enhanced polypropylene composite material and an application thereof. The basalt-long-fiber-enhanced polypropylene composite material is prepared from raw materials such as modified basalt fiber, high-melt-index polypropylene PP, a compatilizer, an elastomer and high-mesh-number talcum powder, and is used for preparing an automobile battery box. The basalt-long-fiber-enhanced polypropylene composite material and the application disclosed by the invention have the advantages that the preparation method is simple and the comprehensive performance is excellent; the prepared battery box has the advantages of high strength, excellent impact resistance, creep resistance, high size stability, excellent heat resistance, fatigue resistance and chemical resistance and light weight; the basalt-long-fiber-enhanced polypropylene composite material can be combined with for producing high-strength products with more complex structures; and the production period is short, the production cost is low, and the basalt-long-fiber-enhanced polypropylene product can be recycled, so that the environment-friendly effect is good.

Description

technical field [0001] The invention relates to the technical field of materials that can be used for manufacturing automobile battery boxes, in particular to a basalt long fiber reinforced material. Background technique [0002] The technical development direction of the world's automotive materials is light weight and environmental protection. Energy saving and emission reduction have become inevitable for the development of global automobiles. New energy vehicles and lightweight vehicles are the most effective ways, which are very important for saving energy and reducing exhaust emissions. . It is the most direct and effective method to replace traditional metal materials with plastic materials. [0003] The car battery box is an important functional structural part of the new energy electric vehicle. The lightweight of the new energy vehicle can effectively improve the load capacity and endurance of the vehicle. The use of new materials has become the key to reducing t...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L51/06C08L71/02C08L23/16C08K13/06C08K9/04C08K9/02C08K7/10C08K3/34C08K5/14H01M2/10
CPCC08K2201/011C08L23/12C08L2201/08C08L2205/025C08L2205/035C08L2205/08H01M50/20C08L51/06C08L71/02C08L23/16C08K13/06C08K9/08C08K9/02C08K7/10C08K3/34C08K5/14Y02E60/10
Inventor 曹海琳黄玉东丁武学曾堃朱柏全杨恒韩奇钢
Owner 扬州市邗江扬子汽车内饰件有限公司
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