Formaldehyde → Formaldehyde;phenol

HRID 1388764Notes

Reaction equation

[C:1]1([OH:7])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C=O>>[CH2:1]=[O:7].[C:1]1([OH:7])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1

Participants

Reactant 2

HCID 712Formaldehyde4×

HCID 996Phenol2×

Product 1

HCID 172281Formaldehyde;phenol

Procedure

adding a second portion of phenol and formaldehyde in a phenol to formaldehyde mol ratio of 1.5:1 to 3:1 and alkaline catalyst to the resin and cooking at 45°-70° C. until the formaldehyde is reacted to a free formaldehyde content of 0-4% to produce a non-resinous phenol-formaldehyde condensate comprising methylated phenols having an average molecular weight of about 200-300; and

Sources & evidence

ORD record: ord-5b17d84fe33046e7b7143c4813bcb69d
Source dataset: uspto-grants-1984_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04433120

Reaction notes

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