Make your Ink Stand Out with Cellulose Esters

The performance of an ink plays a vital role in the overall quality of flexible packaging. Increased consumer spending in North America has led to a demand for packaging of superior quality. Eastman™ Cellulose Esters give ink formulators the tools necessary to produce top quality inks for the rapidly expanding packaging market.

Why use Eastman™ Cellulose Esters? The Difference is Clear

Improved Performance

Better adhesion to packaging films
Excellent cold-crack and heat resistance
Resistance to grease
Outstanding flow, leveling, & wetting

Enhanced Appearance

Fewer surface defects
Improved gloss
Better UV resistance (non-yellowing)
Excellent pigment orientation

Increased Productivity

Faster solvent release
Improved blocking performance
Better intercoat adhesion
Increased print speeds

Formulating with Eastman™ Cellulose Esters

Eastman™ CAB and CAP can be used in inks for a variety of printing operations including gravure, flexographic, offset, and ink jet. They are compatible with most common solvents and acrylic monomers and provide a much safer option for a letdown vehicle, co-resin, or additive than traditional nitrocellulose. Many grades of Eastman™ CAB and CAP are compliant with Swiss Ordinance on Materials & articles in Contact with Food (SR 817.023.21). See the table below for grades recommended for food safe printing inks.

Product	Acetyl Content (wt%)	Butyryl Content (wt%)	Propionyl Content (wt%)	Hydroxyl Content (wt%)	Tg (°C)	Molecular Weight
CAB-381-0.1	0.6	37.0	-	1.3	123	20,000
CAB-381-0.5	13.0	38.0	-	1.3	130	30,000
CAB-381-2	13.5	38.0	-	1.3	133	40,000
CAB-551-0.01	13.5	53.0	-	1.5	85	16,000
CAB-551-0.2	2.0	52.0	-	1.8	101	30,000
CAP-482-0.5	2.0	-	45.0	2.6	142	25,000
CAP-504-0.2	2.5	-	42.5	5	159	15,000

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