5G通信ネットワークの到来は新しい科学技術であり、ポリマー材料の開発も新たな機会をもたらし、高性能材料サプライヤーは5G通信に必要な材料の準備を積極的に行っています。中でも、LFT長繊維強化複合材料は、5G基地局のレドーム、機器フレーム、ブラケット、フィルターなどに使用でき、好評です。今日はLFT素材についてお話します。

1. Definition and characteristics of LDT-PP

long fiber reinforced thermoplastics (LFT) refers to long, continuous glass fibers, After special process is fully infiltrated by resin, wait until the strip, and then cut into a specific size glass fiber reinforced rubber particles or resin soaked long glass fiber strip directly molded or injection molding material. The length of glass fiber in LFT materials is generally more than 3 mm, and its application and development goal is to be used as semi-structural and structural materials.

Among them, the LFT composites based on polypropylene PP have the advantages of light weight and high strength, easy manufacturing and cost optimization. As a new high performance engineering plastics, it has been widely used. Currently, it is the first choice of polymer matrix composites for automotive lightweight.

2. Preparation process of LFT-PP

According to the preparation technology, the LFT-PP high performance composites can be divided into two categories: LFT-G process and LFT-D-ILC process.

2.1 LDT-G process

Firstly, through the mixing of resin, glass fiber and additives, LFT-G long fiber pellets are prepared by special melt impregnation composite method, and then the final product is finished by injection molding process.

The fiber length of LFT varies with the processing process. Impact properties are particularly dependent on the length of the glass fiber. The length of commercial LFT-G colloidal particles is generally 6 ~ 25mm. The LDT-G composite supports semi-mechanism automotive applications, such as front end components, door components, instrument bearers, tailgate and seating systems, combining lightweight and functionality.

2.2 LFT-D-ILC process

The LDT-D-ILC is called the long fiber reinforced thermoplastic material online molding process technology. This process, the online mixing system is integrated in the molding process, matrix particles and additives are transported to the gravimetric feeding unit combination, which ensures appropriate mixing according to the mechanical properties of the component requirements.

3. LFT-PPの自動車分野への応用：

LFT-PP材料は完成品の剛性、衝撃強度、耐クリープ性、寸法安定性を効果的に向上させるだけでなく、自動車モジュールの製造コストを削減し、成形サイクルを短縮します。 、洗練された自動車モジュールを準備します。

5G 分野: LFT 修正材料は 5G 基地局で使用できます。携帯電話は、携帯電話のシェル、バックカバー、バッテリー、チップ、その他のコンポーネントに使用できます。