Vegetable oil-based offset printing inks

Details Vegetable oil-based offset printing inks Vegetable oil-based offset printing inks

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) C09D 11/06 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2247064

Sheet-fed and heat-set web offset ink vehicles, which do not require any volatile organic compounds, are prepared by blending: (I) as the major component, a petroleum resin, an alkyd resin or a heat bodied oil; (II) a non-bodied vegetable oil; and (III) one or more fatty acid esters. Inks prepared from these vehicles are quick drying and meet or exceed industry standards in regard to ruboff resistance, viscosity, and tackiness.

On prépare des véhicules d'encre thermoséchante pour presses offset à bobines et à feuilles, qui ne requièrent aucun composé organique volatil, en mélangeant (I) une résine de pétrole, une résine alkyde ou une huile épaissie à la chaleur, comme constituant principal; (II) une huile végétale non épaissie; et (III) un ou plusieurs esters d'acide gras. Les encres préparées à partir de ces véhicules sèchent vite et sont conformes aux normes industrielles, ou supérieures à ces normes, en ce qui concerne la résistance à l'enlèvement par frottement, la viscosité et l'adhésivité.

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