Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1994-01-21
1994-10-25
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525481, 525523, C08G 5904, C08G 5950, C08G 5962
Patent
active
053590236
ABSTRACT:
An epoxy resin is provided which can be described by the formula ##STR1## in which Ar is an aromatic moiety, L is a divalent cyclohexanen or bornane linking moiety, L' is a divalent cycloaliphatic moiety, Gly is a glycidyl ether group, and each of m and n is a number within the range of 0 to about 10. Such epoxy resins include the product of glycidation of the product of the addition reaction of a phenol and a cyclohexenenorbornene compound such as 5-(3-cyclohexen-1-yl)bicyclo[2.2.1]hept-2-ene. The resulting epoxy resins have low melt viscosity and low water absorbance in the cured state and are useful as the resinous component of high-performance electrical laminating and encapsulation formulations.
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Kelsey Donald R.
Wang Pen-Chung
Sellers Robert E.
Shell Oil Company
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