Why does the product color gradually darken during storage of ketoxime crosslinkers?

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Why does the product color gradually darken during storage of ketoxime crosslinkers?

Date：2023/8/2 14:59:37 View：【 Font Size：Big Medium Small 】【CLOSE】

The main reason is that the nitrogen group in the ketone oxime crosslinking agent gradually turns yellow due to the influence of temperature. Vinyl tributyl ketone oxime silanes contain ethylene groups, which will accelerate the yellowing phenomenon. Therefore, ketone oxime crosslinking agent is prone to yellowing in Barbie gum during summer, especially when vinyl tributyl ketone oxime silanes are stored for about 2 months, there will be a significant yellowing phenomenon.

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