HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → Formaldehyde;phenol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Phenol | HCID 996 | — |
| Catalyst | Sulfuric Acid | HCID 1118 | — |
| Product | Formaldehyde;phenol | HCID 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
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04267141 |
| Source dataset | uspto-grants-1981_05 |
| ORD ID | ord-398ed587b3504a77b213c463dc7e6002 |
| Source note | uspto-grants-1981_05 |