Formaldehyde → Melamine formaldehyde

HRID 1018902Notes

Reaction equation

[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[CH2:10]=[O:11]>>[CH2:10]=[O:11].[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3]

Participants

Reactant 2

HCID 712Formaldehyde

HCID 7955Melamine

Product 1

HCID 93374Melamine formaldehyde

Conditions

Temperature: 50 °C

Procedure

Separately, a 18%-melamine aqueous dilution liquid at 32.9 kg/h and formaline (adjusted to ph 8.0 by addition of 20%-triethanolamine aqueous solution) (12) at 19.1 kg/h were supplied to a resin prepolymer reaction vessel (15) and were caused to reside therein for 35 min. at 50° C. under stirring to continuously produce a melamine resin prepolymer (formaldehyde/melamine=4 (by mol)) liquid.

Sources & evidence

ORD record: ord-0574201d348a4a7391856e60cbe6045c
Source dataset: uspto-grants-2002_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06486099B2

Reaction notes

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