Organic compounds -- part of the class 532-570 series – Organic compounds – Cyanate esters
Patent
1991-08-12
1992-09-22
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyanate esters
C07C26100
Patent
active
051498634
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.
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Shimp David A.
Vanderlip Jeffrey T.
Hi-Tek Polymers, Inc.
Lee Mary C.
Price Herbert P.
Whittenbaugh Robert C.
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