Formaldehyde → (Hydroxymethyl)melamine

HRID 618416Notes

Reaction equation

HRID 618416 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]([NH:3][C:2]1[N:4]=[C:5]([NH2:6])[N:7]=[C:8]([NH2:9])[N:1]=1)[OH:11]

Participants

3

Reactant 2

HCID 712FormaldehydeHCID 7955Melamine2×

Product 1

HCID 70300(Hydroxymethyl)melamine

Procedure

Applicant's copending application Ser. No. 08/704,259 of Aug. 26, 1996 which is a continuation of Ser. No. 08/468,141 filed Jun. 6, 1995 describes a method for preparing an A-stage stabilized phenolic resin melamine dispersion which includes reaction of a portion of the melamine with formaldehyde to produce methylolmelamine in the phenolic resin to reduce the free formaldehyde content in the resin to less than 0.5% by weight of the composition.

Workup

  1. customfor preparing an A-stage

Sources & evidence

ORD record
ord-0b053db13bbf4f69a417d0e9c09e2723
Source dataset
uspto-grants-1999_09
Patent number
US05952440

Reaction notes

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