Formaldehyde → Formaldehyde;phenol

HRID 2057435Notes

Reaction equation

HRID 2057435 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-e2c4a0463992487997de6c947d465c6a
Source dataset
uspto-grants-1980_07
Patent number
US04210732

Reaction notes

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