Naphthol novolak resin blend
US4424315A · kind A · utility
16Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1982 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Sep 20, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/934
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to resin blends of naphthol resins and novolak resins. Naphthol resins are acid catalyzed condensation products of an aromatic alcohol with an aldehyde where the aromatic alcohol is a naphthol or a mixture of a naphthol and a phenol. The blends of the invention preferably contain a total of from 5 to 35 mole percent repeating units derived from naphthol. The blends are useful as molding compounds or as film forming materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.