描述
UV Absorber 384-2: Detailed Functions and Applications
UV Absorber 384-2 is a highly effective ultraviolet absorber primarily used to protect polymer materials (such as plastics, coatings, and rubber) from damage caused by ultraviolet (UV) radiation. Its chemical name is 2-Hydroxy-4-n-octoxybenzophenone, belonging to the benzophenone class of UV absorbers.以下是其详细功能和应用：
使用建议
- 用量:
- 典型用量为 0.1% 至 0.5% 聚合物重量的百分比，具体取决于应用和材料类型。
- 加工温度:
- 适用于常规加工温度，但不应超过其热分解温度（通常高于 250°C）。
- 与其他添加剂的组合:
- Can be used with light stabilizers (e.g., HALS) and antioxidants for comprehensive protection.
主要功能
- UV Degradation Resistance:
- UV Absorber 384-2 effectively absorbs ultraviolet light (especially UV-A and UV-B bands), preventing photodegradation and photo-oxidation of polymer materials caused by UV radiation.
- 延长材料的使用寿命，防止褪色、脆化和机械性能损失。
- Light Stability:
- Converts absorbed UV energy into harmless heat, reducing UV-induced damage to materials.
- Thermal Stability:
- Maintains stable performance even under high-temperature conditions, making it suitable for applications requiring heat resistance.
- Low Volatility:
- Exhibits low volatility, making it suitable for high-temperature processing and long-term use.
- 协同效应:
- Can be used in combination with light stabilizers (e.g., HALS) and antioxidants to provide comprehensive light and thermal stabilization.
优势
- 高效率: Provides long-term UV protection.
- 兼容性: Compatible with various polymers and additives.
- Eco-Friendliness: Low toxicity, meets environmental requirements.
- Heat Resistance: Stable performance under high temperatures.
- Low Volatility: Suitable for high-temperature processing and long-term use.
预防措施
- 存放在阴凉、干燥的地方，避免高温和潮湿。
- 使用防护设备，避免直接接触皮肤和眼睛。
UV Absorber 384-2 is a versatile UV absorber that significantly enhances the weatherability and service life of materials, making it widely used in industries requiring UV protection.
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