Low temperature curable dicyanate ester of dihydric phenol composition
US5068309A · kind A · utility
21Cited by
1References
22Claims
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Key dates
| Filing date | Mar 29, 1990 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Mar 29, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C261/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cyanate esters of 4,4'-[1,3-phenylenebis (1-methylethylidene)] 2,2',6,6'-R-bisphenol when properly catalyzed, can be cured at temperatures in the range of about 250.degree. to about 300.degree. F. to obtain percent cyclotrimerization of the cyanate ester groups of at least 80 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.