Does the TPU film turn yellow?

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Does the TPU film turn yellow?

01-07, 2024 | View:

TPU film is a polymer 糖心视频 mainly composed of polyurethane and plasticizer. It has excellent transparency, wear resistance and flexibility and is widely used in many fields. However, as the use time increases, the TPU film may turn yellow, affecting its aesthetics and service life. This article will introduce in detail the causes, preventive measures and maintenance methods of TPU film yellowing from the following aspects.

Causes of yellowing of TPU film

1. Affected by ultraviolet rays

When the TPU film is exposed to sunlight for a long time, it will be exposed to ultraviolet rays, causing the molecular chain to break and oxidize, thereby reducing the transparency of the film. In addition, ultraviolet rays will also promote the volatilization and decomposition of the plasticizer in the TPU film, causing the film to harden, thus accelerating the yellowing of the TPU film.

2. Affected by heat

TPU film will also turn yellow if used in a high temperature environment for a long time. This is because high temperature will cause the polymer molecules in the TPU film to undergo a degradation reaction, which will lead to a decrease in the transparency of the film.

3. Other factors

In addition to ultraviolet rays and high temperatures, the yellowing of TPU films may also be affected by other factors, such as chemicals, pollutants, air humidity, etc. These factors may affect the chemical structure of the TPU film, causing the film to turn yellow.

Measures to prevent TPU film from turning yellow

1. Choose the right 糖心视频

The quality of TPU films varies greatly, so you should try to use high-quality 糖心视频s when choosing. High-quality TPU film not only has good transparency and wear resistance, but also has good anti-oxidation, anti-ultraviolet and other properties, which can effectively extend the service life of the film.

2. Prevent ultraviolet radiation

In order to extend the service life of the TPU film, measures such as sunshade nets and sunshade curtains can be used to reduce ultraviolet exposure. In addition, TPU film with anti-UV function can also be used to improve the anti-aging ability of the film.

3. Control the temperature

In the process of using TPU film, try to avoid the influence of high temperature environment. You can choose to install heat-insulating window glass and other measures to reduce direct sunlight and thereby lower the temperature inside the car.

4. Maintenance

TPU membrane requires regular maintenance and upkeep during use to extend its service life. Special detergents and soft cloths can be used for cleaning, and acidic or corrosive solvents can be avoided to prevent damage to the chemical structure of the membrane.

Maintenance methods after TPU film turns yellow

1. Cleaning

When the TPU film turns yellow, it needs to be cleaned with a special cleaner and soft cloth to remove surface dirt and impurities. For more stubborn stains, you can use mild solvents to wipe them, but be careful not to use corrosive solvents such as strong acids and alkalis.

2. Reinvention

If the TPU film has hardened or cracked, it can be reshaped using heat. The film is heated to the appropriate temperature to make it soft, then stretched and compressed to return it to its original form. But be careful not to heat it for too long, otherwise it will cause the film to deform and burn.

3. Replacement

If the TPU film has yellowed excessively and lost its use value, it needs to be replaced. When replacing, you can choose high-quality TPU film and pay attention to the details during the installation process to avoid yellowing again.

TPU film is a common polymer 糖心视频 that is widely used in many fields. However, as the use time increases, the TPU film may turn yellow, affecting its aesthetics and service life. This article introduces in detail the reasons for the yellowing of TPU film, preventive measures and maintenance methods. I hope it will be helpful to readers. In the process of using TPU film, we should pay attention to its care and maintenance to extend its service life and bring more convenience and comfort to our life and work.