James Zhao

James Zhao, Cardolite Corp.
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Renewable Alternative: Cashew Nutshell Liquid-Based Isocyanate Blocking Agent

A high-purity cardanol derived from renewable cashew nutshell liquid offers chemical features that can be successfully used in epoxy and polyurethane adhesives and sealants.
James Zhao Yun Mi Kim Pietro Campaner
October 16, 2020

Cashew nutshell liquid (CNSL) is a non-edible, bio-based material commonly used as a building block for various resins, hardeners, and modifiers in the adhesives, coatings, and composites industries. A high-purity cardanol, 3-pentadeca-dienyl-phenol, derived from the bio-oil CNSL has been employed to replace nonyl phenol (NP) in various applications, including isocyanate blocking.


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Cardolite

A Natural Choice for Adhesives and Sealants

Cashew nutshell liquid-based epoxy curing agents and polyols offer outstanding performances and benefits for adhesives and sealants.
Yun Mi Kim James Zhao
May 4, 2017
Cashew nutshell liquid (CNSL), a bio-renewable resource found in the honeycomb structure of the cashew nutshell, is considered a byproduct of the cashew industry. Therefore, CNSL is a non-food chain product that would otherwise be disposed of. Cashew trees can grow abundantly in tropical conditions.
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