Juner builds a new 10,000-ton long glass fiber reinforced plastic production line to seize 100 billion market share

Under the background of tightening and lightening of energy-saving and emission reduction policies and the irreversible trend of intelligence, new automotive materials have become a hot spot of concern, and the market size in the future may reach trillions of yuan.

Among many new materials, the application of lightweight materials such as “plastic generation” in automobiles has become a common practice. In particular, long glass fiber reinforced thermoplastics (LFT) are increasingly favored by automobile manufacturers and are widely used. Production of world-renowned cars such as BMW, Audi, Ford and Volkswagen.

LFT: A quality choice for automotive lightweight materials

It is understood that LFT refers to a glass fiber reinforced colloidal material obtained by long, continuous glass fiber, which is fully wetted by a resin by a special process and then cut into a specific size. Usually long glass lengths are 10 to 25 mm. As an excellent lightweight composite material, LFT is a lightweight, high-strength, modular design, reduced component count and number of processes, low cost, flexible design and corrosion resistance.

According to the Junqiang® LFT material independently developed by CGN Kun, the product mainly includes 20%-60% long glass fiber reinforced polypropylene and 20%-60% long glass fiber reinforced nylon with the following material properties. Features:

(1) Excellent mechanical properties

The glass fiber formed in the long glass fiber reinforced material forms a three-dimensional network structure, can withstand large stresses and loads, and effectively absorb energy, so that the composite material can achieve better mechanical properties.

The following figure shows the mechanical properties of different fiber reinforced composites:

It can be seen from the above figure that the addition of glass fiber can effectively improve the mechanical properties of the material, and the long glass fiber reinforced composite material is superior to the same fiberglass content enhanced short fiber reinforced material in mechanical properties such as tensile modulus and notched impact. . Junqiang® LFT material independently developed by Juner also has excellent mechanical properties: under the same glass fiber content, it is subjected to the same force. The long glass fiber reinforced PP material only has toughness and whitening, while the short fiber reinforced PP material A brittle fracture occurs.

(2) degree of warpage

The addition of long glass fiber can significantly reduce the molding shrinkage of the matrix resin, but sometimes the glass fiber tends to have uneven orientation in the matrix, and there is a problem that the shrinkage ratio between the flow direction of the melt and the vertical direction is large, and finally the warpage of the workpiece is caused. It is deformed and cannot be assembled (as shown in Figure 4). By improving the interfacial adhesion between the fiber and the matrix, Juner greatly improves the uniformity of fiber orientation during the injection molding process and significantly reduces the warpage of the material.

(3) Product appearance

Due to the addition of glass fibers, the distribution of glass fibers in the resin matrix is ​​difficult to control, resulting in floating fibers on the surface of the product, which affects the appearance of the product. Through special processes, Juner achieves better control of the glass fiber in the composite material, so that the surface of the product is smooth and free of floating fibers.

The long-glass fiber reinforced plastics market has taken shape

With the irreversible development of automotive lightweighting, the automotive industry's demand for LFT materials is being liberalized.

According to the statistics of the China Automobile Association, in 2016, China's automobile production was 28.119 million, and it is expected to reach 30 million by 2020.

If the average vehicle weight is 1100kg and the proportion of reinforced plastics is 20%, the potential market demand for glass fiber reinforced plastics will reach 6.6 million tons by 2020. At a price of 35,000 yuan/ton, the potential market space will reach 231 billion yuan.

However, the industry believes that the current promotion of LFT materials in China is also limited by factors such as low manufacturing process, and the output is not high.

Juner's Junqiang® LFT material breaks through the technical bottleneck and is produced by a special impregnation process. The fibers in the material are evenly dispersed and the interface is excellent.

When used as the engine peripheral material, Junqiang® can achieve high mechanical performance retention under long-term heat-resistant conditions. As a vehicle interior material, it has low VOC, low emission and other characteristics, and is widely used in battery brackets. The front frame, shifter base, inner door panel, etc. are unanimously recognized by customers.

It is understood that with the successful listing of China Guangdong Nuclear Power Technology in February this year, China Guangdong Nuclear Power Juner will receive more than 800 million yuan of listed supporting funds, mainly invested in the “Technology Research and Development Center Expansion Project” of China Guangdong Nuclear Power Jun, and part of it is used for “annual production 2.4”. 10,000 tons of long glass fiber reinforced polypropylene vehicle structural material (LFT) production and construction project". By then, the production capacity of domestic LFT materials will be further released.

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