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热固性材料

图片组合:风力发电机在蓝天的衬托下与 Swirl Coat 敷形涂料点涂的特写

提高在严苛条件应用中的热固性能

环氧模塑料 (EMC)、酚醛树脂和氨基甲酸酯等热固材料非常适合需要出色机械强度和物理特性的高要求应用。然而,随着电子产品小型化以及使用温度更高等技术趋势的推动,对热固材料的要求日益提高,为满足这些需求,需要进一步提高热固材料的性能。使用陶氏消费品解决方案品牌硅基添加剂,能够从多方面显著升级这些材料。改进的方面可能包括新的特性,例如阻燃性、改进的耐热性、填料和树脂基底之间的兼容性,以及经过优化的工艺。

解决您的应用难题

电子产品应用——EMC 被广泛用于封装印制电路板 (PCB) 上的半导体芯片。用于 EMC 的陶氏消费品解决方案热固性添加剂能够改进高温、高湿度环境中电子元件的耐用性,同时防止复合材料渗出。它们还能够在热循环过程中消除应力,尽量减少开裂、变形和翘曲现象。此外,这些多功能的添加剂能够提供更好的阻燃性,而且是使用非卤化聚合物制成的。在处理过程中,它们能够降低 EMC 的粘度,从而可以渗透和填充细小的间隙,产品特点包括:

  • DOWSIL™ AY 42-119:适用于 电磁兼容(EMC) 应用,提供柔韧性/消除应力能力和阻燃性。
  • DOWSIL™ SF 8421 EG 硅油:将硅油中的环氧树脂官能团用于 电磁兼容(EMC) 应用,提供柔韧性并且消除应力。

工程材料——用于刹车垫等汽车零部件的酚醛树脂、环氧树脂和氨基甲酸酯受益于我们的硅油技术,将耐温性提高到 50°C 并且能够在热循环过程中消除应力。它们还能提高热固材料的柔韧性。在化合物中,它们优化填料的分散性以获得更好的性能。

产品特点包括:

玻璃纤维加固——用于体育用品的热固材料,例如头盔、球拍和船只等通常使用玻璃纤维加固的产品。使用陶氏消费品解决方案品牌硅基偶联剂对玻璃纤维进行预处理,能够在复合过程中提高纤维和树脂基底之间的亲合力和/或反应能力。我们的添加剂还能够提升增强型热固材料的硬度和强度,并且增加防水性。

产品特点包括:

  • XIAMETER™ OFS-6032 硅烷:提高有机树脂与无机表面间的粘合力。用于提高玻璃纤维增强型复合材料的机械性能。

相较于其他选项,例如 PTFE、丙烯酸和聚氨酯粉末,我们的添加剂能够增强不同类型热固类型材料之间的兼容性,同时提供更持久的性能。

了解陶氏消费品解决方案 如何使用硅基添加剂帮助您提高热固应用性能。联系您的陶氏消费品解决方案代表即可。

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