Low temperature curable dicyanate esters of dihydric phenols
US5149863A · kind A · utility
20Cited by
18References
4Claims
0Family size
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Key dates
| Filing date | Aug 12, 1991 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Aug 12, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/0655
- 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.