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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255830Generated: October 31, 2026

Formaldehyde → Melamine formaldehyde

https://huagongshe.com/reaction/255830

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantMelamineHCID 7955—
ReactantSodium HydroxideHCID 14798—
SolventWaterHCID 962—
ProductMelamine formaldehydeHCID 93374—

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of 630 g of melamine and 1620 g of an aqueous 37% solution of formaldehyde (hereinafter referred to as formalin) adjusted to pH of 9.0 by an aqueous 2% solution of sodium hydroxide was heated to 70° C. Just after the dissolution of melamine, 2250 g of water were added to the mixture, and the whole mixture was stirred for 3 min to obtain an aqueous solution of melamine-formaldehyde prepolymer.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04699659
Source datasetuspto-grants-1987_10
ORD IDord-cdcd16514cbf4d5ea0cd99b582182840
Source noteuspto-grants-1987_10