Formaldehyde → Formaldehyde;phenol

HRID 444187Notes

Reaction equation

HRID 444187 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-0627517fa1c8451a89d720b07535bbe3
Source dataset
uspto-grants-1981_04
Patent number
US04263248

Reaction notes

Loading…