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Introduction to the application of long glass fiber enhancement PP on cars

Views: 10000     Author: Site Editor     Publish Time: 2023-01-28      Origin: Site

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As a thermoplastic resin base composite material, the long glass fiber enhanced polypropylene has a trend of rapid development on the body. Relevant researchers, car manufacturers and legislators have put more attention to the application of lightweight composite materials on body parts.

Some previous studies were manufactured for body components, and fiber enhanced composite materials have been used to replace traditional metal materials.

As early as the 1980s, ICI companies realized the industrialized production of long fiber enhanced thermoplastic granules. Subsequently, TICONA, RTP, and Nordic workers have also begun to become producers of long fiber enhanced thermoplastic granules. Long fiber enhanced thermoplastic granules are processed by injection molding as the final product. Because it has significantly improved the mechanical properties of short glass fiber composite materials, it has begun to be used in a large number of car body.

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The earliest use of long glass fiber to enhance polypropylene materials as door guards and front -end modules with long glass fiber series; long fiber granules provided by RIETER company are used in the front -end module of the Volkswagen PQ35 series; Production of hoods, sound insulation hoods and front -end modules.

Renault and General Motor Company applied a type of mold to the anti -collision beam of passenger cars. Many studies have widely used glass fiber to enhance polypropylene in automotive parts, such as: doors, body plates, flooring, frame parts, battery inspection doors, and seat systems. ~ 60%, at the same time, it shows the same or even better performance.

car


Jeyanthi and others studied the collision process of the combined material anti -collision beam through experiments and finite element numerical simulation methods. The results showed that long glass fiber enhanced thermoplastic composite material anti -collision beams in the invasion and ability absorption.


Due to the high production cost of long fibers to enhance thermoplastic granules, and during injection molding, it will cause severe fiber to reduce the mechanical properties, and its applications have been restricted.


In order to avoid the emergence of the above problems, many manufacturers have begun to improve raw materials and molding processes. AZDEL first launched a medium -length glass fiber felt enhanced polypropylene sheet, using mold pressure molding process to reduce the fiber fiber to replace the production of body products for the production of body products; The company's production front -end module and chassis protection system; Volkswagen Touran series uses long glass fiber polypropylene sheets as front -end brackets and spoiler; warriors produced by Beijing cars in my country also use long glass fiber polypropylene materials as the engine cover and left and right wings Sub -board.

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