A kind of polypropylene composite material automobile water tank beam and preparation method

A composite material and automobile water tank technology, applied in the field of composite materials, can solve problems such as the large weight of automobile water tank beams, and achieve the effects of improving economic adaptability, being beneficial to light weight, and having excellent impact resistance performance.

Active Publication Date: 2016-05-18
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of heavy weight of the automobile radiator beam in the prior art, the embodiment of the present invention provides a fiber-reinforced polypropylene composite automobile radiator beam and its preparation method

Method used

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  • A kind of polypropylene composite material automobile water tank beam and preparation method
  • A kind of polypropylene composite material automobile water tank beam and preparation method
  • A kind of polypropylene composite material automobile water tank beam and preparation method

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Effect test

Embodiment 1

[0029] An embodiment of the present invention provides a fiber-reinforced polypropylene composite automobile water tank beam, which comprises the following components in mass fractions: 40%-80% of polypropylene, 0%-30% of Toughener, 5%-60% fiber reinforcement, 0.3%-0.5% antioxidant, 0%-1% masterbatch and 0.5%-3% compatibilizer.

[0030] The polypropylene composite automobile radiator beam provided by the embodiment of the present invention adopts 40%-80% polypropylene, 0%-30% toughening agent, 5%-58% fiber reinforcement, 0.3%-0.5% Antioxidant, 0%-1% masterbatch and 0.5%-3% compatibilizer, and prepared by injection molding process, the density of the water tank beam prepared by the polypropylene composite material is smaller, obviously The weight of the water tank beam is reduced, which is conducive to the lightweight development of the body, thereby improving fuel economy, while its stiffness and impact resistance are better, meeting the technical indicators of the water tank ...

Embodiment 2

[0043] as attached figure 1 As shown, the embodiment of the present invention provides a method for preparing a fiber-reinforced polypropylene composite automobile radiator beam, which specifically includes the following steps:

[0044] Step 1: Mix polypropylene, toughener, antioxidant, color masterbatch and compatibilizer under a high-speed mixer for 5-20 minutes;

[0045]Step 2: Add the mixed material obtained in Step 1 into the main feeding hopper of the twin-screw extruder, and add the fiber reinforcement into the special fiber feed port of the twin-screw extruder, and extrude through the twin-screw extruder Extrude and pelletize, dry and pelletize to obtain fiber-reinforced polypropylene composite pellets;

[0046] Step 3: Injection molding the fiber-reinforced polypropylene composite material particles in step 2 through an injection molding machine to obtain a fiber-reinforced polypropylene composite material automobile water tank beam;

[0047] The mass fractions of t...

Embodiment 3

[0063] Embodiments of the present invention provide a fiber-reinforced polypropylene composite automobile water tank beam and a preparation method thereof. The preparation method specifically includes the following steps:

[0064] Step 1: Weigh 40% homopolypropylene, 10% ethylene-propylene-octene terpolymer, 0.3% antioxidant 1010 and antioxidant 168 compound, 0.1% Color masterbatch and 3% maleic anhydride, and mix and stir for 5-20min under a high-speed mixer;

[0065] Step 2: Add the mixed material in step 1 into the main feeding hopper of the twin-screw extruder. At the same time, add carbon fibers with a mass fraction of 46% into the special fiber feed port of the twin-screw extruder, and pass The twin-screw extruder is extruded and granulated, and dried and cut into pellets. During this process, the temperature of each temperature zone of the twin-screw extruder is set as: 160°C for the first zone, 165°C for the second zone, 170°C for the third zone, and 170°C for the four...

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Abstract

The invention discloses a polypropylene composite material automobile water tank cross beam and a preparation method thereof, and belongs to the field of composite materials. The water tank cross beam includes the following components by the mass percentage: 40%-80% of polypropylene, 0%-30% of a toughening agent, 5%-60% of a fiber reinforcement body, 0.3%-0.5% of an antioxidant, 0%-1% of a color master batch and 0.5%-3% of a compatibilizer. The preparation method of the water tank cross beam comprises the steps: extruding the above components by a double-screw extruder, granulating, and then carrying out injection molding through an injection molding process to obtain the polypropylene composite material automobile water tank cross beam. The prepared water tank cross beam is smaller in density, better in rigidity and better in impact performance, the weight of the water tank cross beam is significantly reduced, weight reduction of an automobile body is facilitated, and the technical indexes of the water tank cross beam are met. With adopting of the polypropylene material, the cost is lower, the processing technology is simple, molding is easy, and the production economy and efficiency of the water tank cross beam are improved.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a polypropylene composite material automobile radiator beam and a preparation method thereof. Background technique [0002] The car pedal includes an accelerator pedal, a clutch pedal and a water tank beam. The car water tank beam not only bears the weight of the hood and the water tank, but also bears the impact force during the opening of the hood. [0003] In the prior art, sheet metal materials are cut, punched / cut / composited, folded, welded, riveted, spliced, and formed (automobile water tank beams) to prepare automobile water tank beams. The weight of the obtained automobile water tank beams to the hood and water tank is Good performance. [0004] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0005] The existing technology uses sheet metal materials to prepare automobile water tan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L23/14C08K7/06C08K7/14C08K7/10B29C47/92B29C45/78B29C48/92
CPCB29C45/78B29C48/92B29C2945/76531B29C2948/9258B29C2948/92704C08L23/12C08L23/14C08L2205/03C08L2205/035C08L2205/16C08L23/0815C08L25/10C08L51/06C08L77/10C08K7/06C08K7/14C08K7/08B29B7/46B29B7/72B29B7/7461B29B7/90B29B9/06B29B9/12B29B9/14B29C48/04B29C48/40B29C48/875B29C2948/9259B29C2948/92885B29C2948/92895
Inventor 李进宣善勇方舟
Owner CHERY AUTOMOBILE CO LTD
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