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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1052327Generated: November 3, 2026

Formamide → Urea

https://huagongshe.com/reaction/1052327

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormamideHCID 713—
ReactantMelamineHCID 7955—
ProductUreaHCID 1176—
ProductMelamine formaldehydeHCID 93374—

Reaction Steps

Alternatively, the amino-formaldehyde resins of the disclosure that include melamine, and not urea, to form melamine-formaldehyde (MF) resins. Amino-formaldehyde resins may be prepared with a formaldehyde (F) to melamine (M) molar ratio (F:M) from about 2.5:1 to about 0.3:1, such as from about 1.4:1 to about 0.8:1, for example, about 1.1:1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09388269B2
Source datasetuspto-grants-2016_07
ORD IDord-cf7c63b14b4044d1af5a81d560181507
Source noteuspto-grants-2016_07