Patent · US Active

Actinic radiation curable compositions including semiconductor metal oxide materials

US11254830B2 · kind B2 · utility

0Cited by
11References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 2019
Grant dateFeb 22, 2022
Priority date
Expiry dateJan 9, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2003/2296
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Described herein are inks and coating compositions comprising semiconductor metal oxides and composites thereof, which are natural environmentally sustainable materials that may be recycled and/or reused indefinitely. Semiconductor metal oxides offer an alternative to relatively more toxic, non-sustainable, photo and heat-degrading, migrating traditional photoinitiator agents used in actinic radiation curable compositions. The semiconductor metal oxides and composites thereof absorb visible or UV-light as photocatalysts and/or semiconductors, or absorb electron beam radiation, forming radicals for radical events as polymerization reactions and color enhancement events.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.