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)
Explanation of solvent for TPU hot melt adhesive film
Factors to consider when selecting solvents:
The solvent corrosion of TPU hot melt adhesive film requires consideration of multiple factors, including solubility parameters, chemical reaction activity, boiling point, flash point, toxicity, and cost. Among them, the solubility parameter is the key to selecting a solvent, which determines whether the solvent can be compatible with the TPU hot melt adhesive film. The chemical reactivity determines whether the solvent will react with the TPU hot melt adhesive film and the speed of the reaction. Boiling point and flash point are also important factors to consider, as they determine the safety of solvent use and operating temperature. In addition, toxicity also needs to be considered to prevent adverse effects on human health and the environment. Finally, cost is also a factor to consider in order to avoid unnecessary waste and reduce production costs.
Solvent type:
Commonly used solvents include ketones, esters, and aromatic hydrocarbons. Among them, ketone solvents have high solubility and chemical reactivity, making them suitable for dissolving TPU hot melt adhesive films. Ester solvents also have good solubility and chemical reactivity, and have low toxicity, making them a relatively safe solvent. Aromatic hydrocarbon solvents have high boiling and flash points, making them suitable for dissolution under high-temperature operating conditions.
Operation method:
When performing solvent corrosion, it is necessary to place the TPU hot melt adhesive film in a sealed container, add an appropriate amount of solvent, and heat it to an appropriate temperature for dissolution. During the dissolution process, continuous stirring is required to promote dissolution and chemical reactions. After dissolution is completed, it is necessary to separate and recycle the solvent and waste liquid to avoid waste and environmental pollution.
It should be noted that when using solvents for process operations, special attention should be paid to the corrosiveness of the solvents and strict adherence to operating procedures and safety regulations is essential. During the operation, it is necessary to ensure that personal protective equipment such as protective clothing, gloves, masks, etc. are worn, and that the operating area has good ventilation and fire source control measures. In addition, it is necessary to properly handle the waste liquid to avoid adverse effects on the environment and human health.
In summary, in response to the solvent corrosion problem of TPU hot melt adhesive film, multiple factors such as solubility parameters, chemical reaction activity, boiling point, flash point, toxicity, and cost need to be comprehensively considered. When selecting a suitable solvent, it is necessary to consider the actual situation comprehensively and strictly follow the operating procedures and safety regulations. During the operation process, it is necessary to take personal protective measures and dispose of waste liquid to ensure production safety and environmental protection.

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)
· Sample thickness, width to write clearly.
· Sample color and surface effect to be noted.
· Sample hardness and special requirements Please note.
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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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