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United States Department of Agriculture

Agricultural Research Service

Title: The Use of Vegetable Oils in News Inks and Comparison of Their Properties with Petroleum Inks

item Erhan, Sevim
item Bagby, Marvin

Submitted to: Oilseed Processing and Utilization World Conference Proceedings
Publication Type: Abstract Only
Publication Acceptance Date: October 10, 1996
Publication Date: N/A

Technical Abstract: Vegetable oil based printing ink vehicles that did not require petroleum components were prepared by modifying the oil. From these vehicles, four colored lithographic news inks were formulated. Physical properties and performance of these inks meet or exceed the industry standards. Ink prepared by this technology and commercial news inks consisting of vehicles prepared with petroleum resin base and either mineral oil or vegetable oil solvents were evaluated for their potential biodegradation. Gravimetric (using mixed cultures of soil microorganisms) and "Modified Sturm Test" (using activated sludge) methods were used. With both methods USDA's ink degraded faster and more completely than either hybrid soy oil based or petroleum based inks. Also, comparison of deinking properties and analysis of VOC content (using method 24, 24A and 30) showed the superiority of vegetable oil based inks over petroleum resin based inks.

Last Modified: 4/18/2015
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