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Monmouth Junction, NJ, United States

Benedetti E.,AEP Polymers Srl | Kim Y.M.,Cardolite Corporation
CAMX 2015 - Composites and Advanced Materials Expo | Year: 2015

Cashew Nut Shell Liquid (CNSL) is an annually renewable natural resource obtained from the cashew nut (Anacardium occidentale L.) as a non-food by-product. Known for its alkyl phenolic structure, excellent performances in corrosive environments and its enhanced adhesion properties, CNSL has mainly been employed in the coatings sector. The unique properties of CNSL were used to produce a wide range of specialty curing agents, resins, and diluents for composites. This paper evaluates the benefits of CNSL derived novolacs in epoxy systems for prepregs. CNSL-based novolacs belong to a family of phenolic resins with the added benefit of an alkyl portion, that can be used as epoxy crosslinkers in long potlife and latent systems. The specific structure of CNSL allowed the development of high functionality, medium viscosity, solvent free novolacs that are compatible with traditional prepreg epoxy and phenolic formulations for hotmelt and solvent-based technologies. This study compared the behavior of dicyandiamide and CNSL novolacs as cross-linkers for epoxy resins. Cure kinetics, Tg variation, DMA, fracture toughness and apparent interlaminar shear strength determination were measured. The results showed a significant improvement in interlaminar shear strength and improved vibration damping confirming the excellent properties of CNSL based cross-linkers. Copyright 2015 by Elena Benedetti. Source


Trademark
Cardolite Corporation and Irvington Varnish And Insulator Company | Date: 1951-03-13

SYNTHETIC RESINOUS MATERIALS IN THE FORM OF POWDERS, GRANULES, LIQUIDS, SOLUTIONS, SLABS AND OTHER FORMS FOR USE IN THE INDUSTRIAL ARTS AND FURTHER MANUFACTURE.


Trademark
Cardolite Corporation | Date: 1991-01-01

chemical resins for industrial use as in the plastics industry.


Trademark
Cardolite Corporation, Minnesota Mining, Manufacturing Company and Harvel Corporation | Date: 1941-10-28

Raw or Partly Prepared Materials Made from Cashew Nut Shell Liquid in Liquid, Paste, Rubber-Like, Solid, and Pulverized Forms, in Sheets and in the Form of Molding Compounds for Use as a Rubber Substitute and for General Use.


Trademark
Cardolite Corporation | Date: 1999-01-26

chemical resins for use in the manufacture of epoxy resins, curing agents, diluents, and additives; friction binders and modifiers; photographic chemical intermediates; phenolic resins; rubber chemicals and additives; surfactants; printing ink resins; lubricants; and polymer additives and modifiers.

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