Formaldehyde → Formaldehyde;phenol

HRID 1732906Notes

Reaction equation

HRID 1732906 reaction equation
C=O.[C:3]1([OH:9])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1>S(=O)(=O)(O)O>[CH2:3]=[O:9].[C:3]1([OH:9])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1

Participants

4

Reactant 2

HCID 712FormaldehydeHCID 996Phenol2×

Product 1

HCID 172281Formaldehyde;phenol

Reagents, catalysts & solvents 1

HCID 1118Sulfuric AcidCatalyst

Procedure

A phenol-formaldehyde novolak resin was prepared by reacting 0.66 moles of formaldehyde per mole of phenol utilizing 0.25 parts of a sulfuric acid catalyst based on 100 parts of charged phenol. The mixture was subsequently neutralized, dehydrated to melt, dumped, and allowed to solidify. The resulting resin has the following properties within the stated ranges:

Sources & evidence

ORD record
ord-ac74654c30594f9d89de313055d515a9
Source dataset
uspto-grants-1980_12
Patent number
US04239869

Reaction notes

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