Patent · US Active

Polymeric photoinitiators

US10189930B2 · kind B2 · utility

0Cited by

8References

19Claims

0Family size

Assignee

ALLNEX BELGIUM S.A. · BE

Inventors

Hugues Van Den Bergen · Drogenbos, BE
Paul Gevaert · Geraardsbergen, BE
Steven Cappelle · Ninove, BE

Key dates

Filing date	Jul 23, 2013
Grant date	Jan 29, 2019
Priority date	—
Expiry date	Jul 23, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D4/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to radiation curable compositions (A) comprising—(a) at least one photoinitiator compound of formula (I) wherein Q is the residue of a hydroxy compound having 1 to 6 hydroxyl groups, and wherein x is a number that is at least 1 but no greater than the number of hydroxyl groups originally present in said hydroxy compound;—(b) at least one ethylenically unsaturated compound selected from monomers (b1) and/or from oligomers (b2); and—(c) optionally, at least one co-synergist which preferably is an amino co-synergist. The present invention further relates to photoinitiator compounds(a) and their preparation.

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