作者: Norio Okada , 規男 岡田
DOI:
关键词:
摘要: PROBLEM TO BE SOLVED: To obtain a dampening-water-free lithographic printing ink having improved printability and excellent effect by using an aliphatic hydrocarbon resin specified softening point extracted from gilsonite as component of the vehicle resin. SOLUTION: This contains 120-125°C gilsonite, synthetic petroleum-derived solvent aromatic content 1 wt.% or below. Desirably, has composition: 0.5-20 5-40 25-50 solvent. The used in combination with is exemplified rosin-modified phenolic resin, petroleum alkyd rosin ester desirably COPYRIGHT: (C)1998,JPO