C5 Aliphatic Hydrocarbon Resin for Ink
CAS Number: 64742-16-1
Aliphatic C5 hydrocarbon resin produced by cationic polymerization of piperylene-rich C5 fractions, used as a tackifier and flow modifier in heatset offset, flexographic, and gravure inks. Its low color, good compatibility with alkyd and rosin-ester varnishes, and favorable hydrocarbon-solvent solubility make it indispensable in formulating high-tack offset ink vehicles.
Technical Specifications
| appearance | Light yellow to water-white solid pellets |
| solubility | Aliphatic and aromatic hydrocarbons |
| color (Gardner) | ≤2 |
| acid value (mgKOH/g) | ≤1 |
| softening point (°C) | 85–125 |
Applications
- Heatset offset ink tackifier and flow modifier
- Flexo ink viscosity and tack modifier
- Gravure ink gloss and flow improver
- Overprint varnish hardness modifier
- Pressure-sensitive label ink formulations
Key Features
- Very light color for use in white and pastel ink formulations
- Adjustable tack and viscosity through grade selection
- Good UV stability for outdoor and UV-curable ink systems
- Wide compatibility with rosin, alkyd, and hydrocarbon varnishes
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CAS Number
64742-16-1
Category
Printing Ink ChemicalsAvailability
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