Ink curable with actinic energy ray and printed matter
US8362100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2008 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | May 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink curable with actinic energy rays characterized by containing a photocleavage type photopolymerization initiator (A) comprising α-aminoalkylphenone compound (A1) having a molar absorption coefficient measured at a wavelength of 363 nm of 100 (l/mol·cm) or more and less than 100,000 (l/mol·cm) and/or an acylphosphine oxide compound (A2) having a molar absorption coefficient measured at a wavelength of 365 nm of 100 (l/mol·cm) or more and less than 100,000 (l/mol·cm); and a hydrogen abstraction type photopolymerization initiator (B) comprising 4,4′-dialkylaminobenzophenone having a molar absorption coefficient at a wavelength of 365 nm of 10,000 (l/mol·cm) or more and less than 1,000,000 (l/mol·cm) and by optionally containing a tertiary amine compound (C) having a molar extinction coefficient as measured at a wavelength of 365 nm of 1 (l/mol·cm) or lower. The ink further includes a resin, a pigment, and a compound having an acrylate group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.