American Can Company

Riad H Gobran

Eugene P Reilly

Akio Takahashi

Ligno-novolak resins, either in the form of physical blends of lignin and novolak resins or as synthetically derived from the reaction of lignin, phenol and an aldehyde in the presence of an acidic catalyst, are provided. The resins, including the physical blends, are curable to thermoset, substantially completely cross-linked resins in which the lignin is interreacted and cross linked through the action of a curing agent such as hexamethylenetetramine. The resins are useful in the production of molding compounds that exhibit properties that are at least comparable to those of compounds derived from novolak resins. Moreover, excellent heat deflection temperatures and superior electrical properties are exhibited by such molding compounds.

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New Hope, PA, United States of America

Riad H Gobran