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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2057435Generated: November 1, 2026

Formaldehyde → Formaldehyde;phenol

https://huagongshe.com/reaction/2057435

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantPhenolHCID 996—
CatalystSulfuric AcidHCID 1118—
ProductFormaldehyde;phenolHCID 172281—

Reaction Steps

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:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04210732
Source datasetuspto-grants-1980_07
ORD IDord-e2c4a0463992487997de6c947d465c6a
Source noteuspto-grants-1980_07