YuChun
Email : info3@greentpu.com
Add:No. 11, Wentang North Road, Wenzhou Road, Dongcheng Dist., Dongguan, Guangdong, China
(Old address:No. 232, Wentang North Road, Wenzhou Road, Dongcheng Dist., Dongguan, Guangdong, China)
Material and structure of TPU film
Thermoplastic polyurethane elastomer film (TPU film) is a widely used material in multiple fields. TPU film plays an indispensable role in many fields due to its unique material and structure, as well as various excellent properties. This article will provide a detailed introduction to the material and structure of TPU films, helping readers better understand the characteristics and applications of this material.
1、 Material of TPU film
The main component of TPU film is thermoplastic polyurethane elastomer, which is a linear segmented copolymer. It is composed of a soft part and a hard part. The soft part is composed of oligomeric polyols, while the hard part is composed of diisocyanates and chain extenders. This special combination structure enables TPU film to have both high elasticity of rubber and plasticity of plastic.
The material of TPU film also has good wear resistance, oil resistance, water resistance, mold resistance, and UV resistance. These properties enable TPU films to maintain good stability and durability under various harsh environmental conditions.
2、 Structure of TPU film
The structure of TPU films can be divided into microstructure and macroscopic structure. The microstructure mainly involves the arrangement and morphology of TPU molecular chains, while the macroscopic structure focuses on the overall morphology and physical properties of TPU films.
1. Microstructure
At the microscopic level, the molecular chains of polyurethane (TPU) exhibit a unique linear block copolymer morphology. In the molecular chain, soft segments form flexible segments, endowing the TPU film with high elasticity; The hard segment forms a rigid chain segment to ensure that the TPU film has good mechanical properties and stability. The arrangement of molecular chains and the needle structure have a significant impact on the performance of TPU films.
2. Macro structure
At the macroscopic level, TPU films typically exhibit a transparent or semi transparent thin film state. Its thickness is generally between 0.03mm and 3mm, and can be adjusted according to actual needs. TPU film has good flexibility and ductility, which can maintain structural integrity and stability over a large deformation range. In addition, TPU film also has excellent tear resistance and resilience, which can withstand external impact and friction.
4、 Summary
As a high-performance thermoplastic elastomer material, TPU film has unique material and structure, thus possessing excellent properties such as high elasticity, wear resistance, and weather resistance, making it widely used in various fields such as automotive industry, construction, and electronics. Understanding the material and structure of TPU films helps to maximize their performance advantages and further explore their application areas. With the continuous development of technology, the performance and application prospects of TPU film will be even broader.

YuChun
Email : info3@greentpu.com
Add:No. 11, Wentang North Road, Wenzhou Road, Dongcheng Dist., Dongguan, Guangdong, China
(Old address:No. 232, Wentang North Road, Wenzhou Road, Dongcheng Dist., Dongguan, Guangdong, China)
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我司拥有多套完整的生产线;掌握自主研发的核心技术;通过了ISO9001:2015质量管理体系认证;是阿里巴巴深度验厂的厂家;TPU薄膜和TPU热熔胶膜产品通过了SGS测试,取得了测试报告。
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