Why does the color of the product gradually deepen during the storage of oxime cross-linking agent?

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·POSITION：Application → Common Question → Why is porcelain white silicone adhesive made with alcohol based crosslinking agents prone to yellowing?

Why does the color of the product gradually deepen during the storage of oxime cross-linking agent?

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

Mainly because the amino group in the oxime cross-linking agent will gradually turn yellow under the influence of temperature. VOS contains vinyl groups, which will accelerate the yellowing phenomenon. Therefore, the oxime cross-linking agent is easy to turn yellow in summer, especially VOS will turn yellow obviously after being stored for about 2 months.

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Prev：Why does white powder appear at the bottom of the drum when mixing oxime cross-linking agents(D-91,D-31) in the low temperature seasons?
Next：Why is porcelain white silicone adhesive made with alcohol based crosslinking agents prone to yellowing?

【International Sales Office】
Address：Room 2401,Tower B, Winner Plaza, No.100 Huangpudadao West Road, Tianhe District, Guangzhou,China
Tel：+86-020-38856806
Fax：+86-020-38856809
E-mail：feng@blueskychemical.com

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