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Coatings Ingredients
The material selection platform
Coatings Ingredients

5 Important Trends in Digital Ink Formulation

Terence Kenneth – Feb 18, 2019

Trends in Digital InksAs we kick off a new year in digital printing and ink formulation, I thought it would be interesting to look at 5 important trends in ink formulation as I see them.

Let's take a look...

1. The Use of Bio-based Raw Materials and Eco-solvents

This is a trend that I don’t see going away. At Ink Intelligence one of our primary functions is to develop new ink systems for our clients. In almost all cases, companies are asking for more environmentally safe formulations or those based on raw materials from a bio-source. It could generally be agreed that using bio-based materials means that:

 − Our environment is healthier
 − Our health is safer, and
 − We reduce our dependence on imported oil

But most ink developers say that they want to use bio-based materials because they want to get more business! How do you ask? By packaging their ink systems in a way that is attractive to the buyer.

Formulating Modern Eco-solvent Inkjet Inks

NAPIM’s Bio-renewable Content (BRC) program identifies the use of such bio-derived renewable resources in printing ink formulations and creates a rating program based on the level of BRC used. Below is a table which highlights some of the bio-based raw material that we see used in ink and coatings.

Product Origin Usage
Cellulosic resins, including CAP,
CAB and Nitrocellulose
Wood pulp/cotton Binder
Hemicellulose Plant Binder
Gum Arabic Trees Thickening agent, Binder
Gum Dammar Trees Thickening agent, Binder
Gum Rosin Trees/Plants Binder
Tall Oil Rosin Trees Binder
Wood Rosin Trees Binder
Alkyds Plants/vegetable oils Binder
Polysaccharides Plants Binder
Polyurethanes Castor Oil Binder
Casein Animal Milk Binder
Natural Rubber Trees Binder
Soy Protein Plants/Soybean Binder
Starch Plants Binder
Shellac Trees (insect) Binder
Polyester Acrylates Linseed oil Binder/Oligomer
Epoxy Acrylates SoyBean Binder/Oligomer
Solvents & Additives
Alcohols Plant Solvent
Butyl and ethyl lactate Plant Solvent
Water Earth Solvent
Castor Oil Plant Preservative
Linseed oil Drying oil/plasticizer
Bees Wax Wax
Carnauba Wax
Castor Oil Polyol Plasticizer

 » Continue reading to explore other trends in digital ink formulation! 

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