TPU软手表带喷橡胶油,表面出现掉漆情况怎么解决

2025-03-14 04:54:07
推荐回答(2个)
回答1:

可以试一下TPU处理水打一层底,有可能是素材表面没有吸附力,用TPU处理水先打一层底,改善素材与油漆涂层的分子,使两者达到附着力,东莞有一家专门研发底水厂家,你可以调样试一下。

回答2:

TPU+PC护套一般会在表面喷涂一层手感油(橡胶油),由于是出口高端产品,对附着力要求就比较 高。手感油性能再好,直接喷涂在底材上面都会出现手抠掉漆的情况。面对这种问题,可以在底材上 面先喷一层TPU处理剂,从而增强底材与手感油之间的附着力。
TPU+PC护套喷手感油手抠会掉漆,在百格附着力测试时也容易出现附着力差掉漆的问题,使得手机 保护壳的涂装效果和使用体验产生不良,行业普遍的解决方法是使用静川化工TPU处理剂,可以通过百格 、手抠、水煮等性能测试。
静川化工TPU处理剂应用在TPU材质手机保护套的注塑工艺中,解决注塑脱模剂的油污导致电镀起油点油 窝及涂装掉漆。大多数TPU素材在注塑成形过程中为了改善脱模不良离型变形问题,都会在模具上喷 上中性或油性的脱模剂(离型剂),这样一来在产品上就混有脱模剂,就算喷涂前表面清洁也不能把 脱模剂清理干净,导致在上UV底漆后起油窝或不上油。

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