New Phenolic-Modified Rosin Esters for High-Performance Inks
PLEASANT PRAIRIE, Wis. (July 1, 2002)-Eastman resins, Inc., a wholly owned subsidiary of Eastman Chemical Compan, today announced the introduction of a new generation of phenolic-modified rosin esters, the Ultra-Rez® 500 series, to help formulators develop inks with more universal utility in the lithographic market.
The low polarity of Ultra-Rez 500 resins provides formulators the ability to balance fountain solutions with ink, resulting in a wider water window. The reduced water pickup decreases color shift and imparts more consistent ink coverage throughout the print run. The result is less waste.
Due to a high internal structure, Ultra-Rez 500 resins offer a more stable rheology for steady viscosity during printing. As press temperatures change during print runs, these new generation resins can provide the consistent sharp-dot print quality ink makers require, even on economical substrates.
Runge says the company will continue to supply existing Ultra-Rez resins in addition to the 500 series. "We have a variety of high molecular weight resins with various performance characteristics that aid in the development of vehicles for high-speed printing."
Ultra-Rez 500 resins are ideal for development of high performance printing inks used in heavy paste or oil-based inks for a wide range of applications, including varnishes, vehicles, coatings and adhesives.
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Topic world Rheology
Rheology deals with the flow behavior and deformation properties of materials. In the chemical field, it is indispensable for understanding the consistency, viscosity and elasticity of liquids, gels and solids. Whether formulating paints, producing polymers or optimizing food textures, rheological properties influence how substances react, move and feel.
Topic world Rheology
Rheology deals with the flow behavior and deformation properties of materials. In the chemical field, it is indispensable for understanding the consistency, viscosity and elasticity of liquids, gels and solids. Whether formulating paints, producing polymers or optimizing food textures, rheological properties influence how substances react, move and feel.