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Plant fiber reinforced polypropylene composite material and its preparation method and its application in the preparation of automobile parts

A plant fiber and composite material technology, applied in the field of polypropylene composite materials, can solve the problems of unfavorable low carbon, green environmental protection and sustainable development, low carbon, green environmental protection and insufficient price, poor dimensional stability of polypropylene, etc., and achieve excellent The effect of mechanical properties, light weight and excellent molding performance

Active Publication Date: 2017-08-15
NINGBO HOMELINK ECO ITECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chinese patents CN102516665A, CN101781424A and CN102417660A respectively disclose a PP automobile bumper material, but its components are completely derived from petroleum-based materials, and there are deficiencies in low carbon, green environmental protection and price
Chinese patents CN101747560B and CN102827425A respectively report a modified polypropylene for automobiles filled with talcum powder. Although the impact resistance of polypropylene is improved and its cost is reduced, the advantage of low density of polypropylene is weakened.
Although plant fibers are used in this technical solution, the compatibility between the components is poor, and its mechanical properties are not good
[0006] The existing polymer materials for automobiles have the following disadvantages: 1. The components of polymer materials for automobiles are almost all derived from petrochemical resources, which is not conducive to low-carbon, green and sustainable development
3. As a typical non-polar crystalline polymer material, polypropylene has the problems of poor dimensional stability, poor colorability, difficulty in painting and poor color stability

Method used

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  • Plant fiber reinforced polypropylene composite material and its preparation method and its application in the preparation of automobile parts
  • Plant fiber reinforced polypropylene composite material and its preparation method and its application in the preparation of automobile parts
  • Plant fiber reinforced polypropylene composite material and its preparation method and its application in the preparation of automobile parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The formula is as follows:

[0037]

[0038] Weigh the following raw materials:

[0039] Copolypropylene (Dongguan Xuanhao Plastic Co., Ltd.) 72Kg, kenaf fiber (5mm-10mm in diameter, Liangjiaying Shengli Rope Processing Factory, Gaobeidian City) 20Kg, Castor Oil (Nanjing Qianyue Chemical Co., Ltd.) 3Kg, EVA (VA content is 19%, Kunshan Tong Great Wall Plastic Co., Ltd.) 5Kg, antioxidant 1010 (Shanghai Jinghong Industrial Co., Ltd.) 0.1Kg, antioxidant 168 (Shanghai Jinghong Industrial Co., Ltd.) 0.3Kg.

[0040] The preparation process is as follows:

[0041] First, at an ambient temperature of 25°C, use a high-speed mixer to mix the above-mentioned weighed raw materials uniformly to obtain a uniformly mixed material; then, the mixed material is added to the twin-screw extruder to melt and blend (the mixed The materials go through the melting and blending interval of 170℃, 172℃, 172℃, 175℃, 180℃, 180℃, 175℃ and 175℃ respectively), then stretch, air-cooled, pelletized, sealed and ...

Embodiment 2

[0043] The formula is as follows:

[0044]

[0045] Weigh the following raw materials:

[0046] Copolypropylene (Dongguan Xuanhao Plastic Co., Ltd.) 67Kg, kenaf fiber (5mm-10mm in diameter, Liangjiaying Shengli Rope Processing Factory, Gaobeidian City) 25Kg, Castor Oil (Nanjing Qianyue Chemical Co., Ltd.) 3Kg, EVA (VA content is 19%, Kunshan Tong Great Wall Plastic Co., Ltd.) 5Kg, antioxidant 1010 (Shanghai Jinghong Industrial Co., Ltd.) 0.1Kg, antioxidant 168 (Shanghai Jinghong Industrial Co., Ltd.) 0.3Kg.

[0047] The preparation process is as described in Example 1.

Embodiment 3

[0049] The formula is as follows:

[0050]

[0051] Weigh the following raw materials:

[0052] Copolymer polypropylene (Dongguan Xuanhao Plastic Co., Ltd.) 60Kg, kenaf fiber (5mm-10mm in diameter, Liangjiaying Shengli Rope Processing Factory, Gaobeidian City) 30Kg, Castor Oil (Nanjing Qianyue Chemical Co., Ltd.) 5Kg, EVA (VA content is 19%, Kunshan Tong Great Wall Plastic Co., Ltd.) 5Kg, antioxidant 1010 (Shanghai Jinghong Industrial Co., Ltd.) 0.1Kg, antioxidant 168 (Shanghai Jinghong Industrial Co., Ltd.) 0.3Kg.

[0053] The preparation process is as described in Example 1.

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Abstract

The invention discloses a plant fiber-reinforced polypropylene composite material and a preparation method thereof, and an application of the plant fiber-reinforced polypropylene composite material in preparation of automobile components. The composite material is prepared from the following raw materials in percentage by weight: 40%-77% of polypropylene, 20%-40% of a plant fiber, 1%-10% of vegetable oil, 1%-10% of a flexibilizer and 0.1%-5% of an assistant, wherein the plant fibers and the vegetable oil are from renewable biomass, and conform to the requirements of low-carbon, environment-friendly and sustained economic development. In addition, a low-density biomass material is capable of further promoting light weight of automobiles, and is of great significance in energy conservation and emission reduction. The plant fiber-reinforced polypropylene composite material for automobiles can be prepared by extrusion once, so that the method is simple, easy to operate and suitable for industrialized production.

Description

Technical field [0001] The invention relates to the field of polypropylene composite materials, in particular to a plant fiber reinforced polypropylene composite material, a preparation method thereof, and application in the preparation of automobile parts. Background technique [0002] In order to solve the challenges of "energy shortage" and "environmental pollution" to the global economy and people's living environment, and to promote the progress of automobile products, protect the environment, and promote energy conservation and sustainable development, automobile energy conservation and emission reduction are increasingly being subject to people's attention. attention. In recent years, the development of new material modification technology has promoted the miniaturization and lightweight of automobiles, and has become another important new way to promote automobile energy conservation and emission reduction. Developed countries in the automobile industry have taken the am...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/14C08L97/02C08L91/00C08L23/16C08L23/08B29B9/06B29C47/92B29C48/92
CPCC08L23/14C08L2205/035C08L2205/08C08L97/02C08L91/00C08L23/0853C08K5/1345C08K5/526
Inventor 陈虎啸汤兆宾王熊李鹏
Owner NINGBO HOMELINK ECO ITECH CO LTD
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