Why do particals appear in the newly produced acetoxy sealant after being placed for 2-3 days in the low-temperature seasons?

Date：2023/8/2 14:57:07 View：【 Font Size：Big Medium Small 】【CLOSE】

Particles are caused by excessive acetoxy cross-linking agent crystallizing at low temperatures during the production of sealant. Solving this problem mainly starts from two aspects:

1. The dosage of cross-linking agent, only the excess acetoxy cross-linking agent that does not participate in the reaction will crystallize：

2. Lower the crystallization point of the cross-linking agent. This problem can be solved by using modified low crystallization point methyltriacetoxysilane or mixed acetoxy cross-linking agents.

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