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For HX878, does the added value of solid propellant include the content of secondary and tertiary amines

Q: For HX878, does the added value of solid propellant include the content of secondary and tertiary amines? Should the hydrogen on the secondary amine react with the curing agent to be considered? How is the hydroxyl value of this product determined?
A: Just count the content of secondary amines. Tertiary amines do not have active hydrogen and generally do not participate in the reaction. Only the active hydrogen on the secondary amine is considered. Normally, the hydroxyl value is determined based on the secondary amine.
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2020-11-25 15:21:29
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