HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → Formaldehyde;phenol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Phenol | HCID 996 | — |
| Product | Formaldehyde;phenol | HCID 172281 | — |
Reaction Steps
which process comprises reacting an aqueous mixture of phenol and formaldehyde containing a mol ratio of formaldehyde to phenol between 1.7 and 2.8 and a pH-active material in an amount producing a pH between 5.8 and 8.5 at least until a phenol-formaldehyde polymer is formed as signified by the appearance of a hydrophobe point upon water dilution;
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04373062 |
| Source dataset | uspto-grants-1983_02 |
| ORD ID | ord-c524080216a9490a9e45c451793e5dc2 |
| Source note | uspto-grants-1983_02 |