Resinous binders comprising a metal rosin resinate and a carboxylated polystyrene resin
US5026753A · kind A · utility
8Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1989 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Feb 22, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L93/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A resinous binder is disclosed which is composed of a metal rosin resinate and a dilution increasing effective amount of polystyrene type resin having greater than 50,000 weight average molecular weight and an acid number less than 200. Also disclosed is a gravure printing ink which comprises a solvent, a colorant and a binder component wherein all or a portion of the binder component consists of the resinous binder of this invention. The use of the resinous binder of this invention in ink compositions results in significant dilution improvement without adversely affecting other desirable properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.