Abstract: A UV curable inkjet ink for inkjet printing tarpaulins including an pigment, a free radical photoinitiator and a polymerizable composition containing more than 90.0 wt % of monofunctional polymerizable compounds based on the total weight of the polymerizable composition, wherein the monofunctional polymerizable compounds include more than 5.0 wt % of a N-vinyl oxazolidinone (V); more than 12.0 wt % of a heterocyclic acrylate (H) being a non-aromatic cyclic acrylate with all heteroatoms being oxygen; and more than 23.0 wt % of a mixture of an aromatic acrylate (A) and an alicyclic acrylate (L); wherein the wt % of the monofunctional polymerizable compounds is based on the total weight of the UV curable inkjet ink; and wherein a weight ratio R=(H+A)/(V+L) is no more than 2.0. An inkjet printing method is also disclosed.

Abstract: A radiation curable inkjet ink containing at least one or two compounds selected from the group consisting of a polymerizable compound including a vinylether group or a vinylamide group, an amine synergist including an alkanolamine group or a dimethyl benzoate group, and a Norrish Type II photoinitiator including a photoinitiating moiety selected from the group consisting of a thioxanthone group, a benzophenone group, a ketocoumarin group and a camphorquinone group; and a singlet oxygen quencher including at least one specific amino-thioether group.

Abstract: A radiation curable inkjet ink set comprising a cyan inkjet ink containing a beta-copper phthalocyanine pigment and a polymerizable composition; a magenta inkjet ink containing a magenta or red pigment and a polymerizable composition; a yellow inkjet ink containing a yellow pigment and a polymerizable composition; and a black inkjet ink containing a carbon black pigment and a polymerizable composition; wherein the polymerizable compositions of the cyan, magenta, yellow and black inkjet inks include on average: a) 20.0 to 40.0 wt % of phenoxyethyl acrylate; b) 23.0 to 32.0 wt % of isobornyl acrylate; c) 1.0 to 14.4 wt % of monomer selected from the group consisting of 4-acryloylmorpholine and a monomer according to Formula (I), wherein X represents C or O, n represents 1, 2 or 3 and m represents 0 or 1; and d) up to 14.

Abstract: A free radical UV curable inkjet ink set includes a free radical UV curable primer containing: one or more photoinitiators; a mixture of at least two monomers according to Formula (I): wherein n represents an integer 0 or 1, k represents an integer selected from the range of 0 to 3, and R represents hydrogen or phenyl; 0.0 to 4.0 wt % of a polyfunctional monomer; 0.0 to 2.0 wt % of an organosilane coupling agent; and 0.0 to 10.0 wt % of a N-vinyllactam monomer; and one or more free radical UV curable inkjet inks containing: a colour pigment; one or more photoinitiators; and at least 50.0 wt % of one or more monoacrylate monomers; wherein the mixture of at least two monomers according to Formula (I) includes 3.0 to 50.0 wt % of a first monomer having n=1 and R representing phenyl and 35.0 to 90.0 wt % of a second monomer having n=0 and R representing phenyl.

Abstract: A radiation curable inkjet ink containing at least one or two compounds selected from the group consisting of a polymerizable compound including a vinylether group or a vinylamide group, an amine synergist including an alkanolamine group or a dimethyl benzoate group, and a Norrish Type II photoinitiator including a photoinitiating moiety selected from the group consisting of a thioxanthone group, a benzophenone group, a ketocoumarin group and a camphorquinone group; and a singlet oxygen quencher including at least one specific amino-thioether group.

Abstract: A radiation curable inkjet ink containing a polymerizable compound including a vinylether group or a vinylamide group; optionally an amine synergist including an alkanolamine group or a dimethyl benzoate group; optionally a Norrish Type II photoinitiator including a photoinitiating moiety selected from the group consisting of a thioxanthone group, a benzophenone group, a ketocoumarin group and a camphorquinone group; and a specific singlet oxygen quencher.

Abstract: A radiation curable white inkjet ink including at least 18.5 wt % of white pigment and 0 to 35 wt % of organic solvent, both weight percentages based on the total weight of the radiation curable white inkjet ink and a polymerizable composition containing 0 to 15.0 wt % of one or more polyfunctional polymerizable compounds, and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and a specific polymerizable composition.

Abstract: A manufacturing method for decorating natural leather employing a radiation curable white inkjet ink including more than 16 wt % of white pigment and 0 to 35 wt % of organic solvent, both weight percentages based on the total weight of the radiation curable white inkjet ink and a polymerizable composition containing 0 to 15.0 wt % of one or more polyfunctional polymerizable compounds, and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and a specific polymerizable composition.

Abstract: A free radical UV curable inkjet ink set includes a free radical UV curable primer containing: one or more photoinitiators; a mixture of at least two monomers according to Formula (I): wherein n represents an integer 0 or 1, k represents an integer selected from the range of 0 to 3, and R represents hydrogen or phenyl; 0.0 to 4.0 wt % of a polyfunctional monomer; 0.0 to 2.0 wt % of an organosilane coupling agent; and 0.0 to 10.0 wt % of a N-vinyllactam monomer; and one or more free radical UV curable inkjet inks containing: a colour pigment; one or more photoinitiators; and at least 50.0 wt % of one or more monoacrylate monomers; wherein the mixture of at least two monomers according to Formula (I) includes 3.0 to 50.0 wt % of a first monomer having n=1 and R representing phenyl and 35.0 to 90.0 wt % of a second monomer having n=0 and R representing phenyl.

Abstract: Some embodiments relate to a dual cure polymerization system combining aza-Michael addition polymerization and photopolymerization. Some embodiments also relate to a dual cure polymerization system for preparing interpenetrating polymer networks. Some other embodiments relate to compositions and articles obtainable by a process of the invention and uses thereof.

Abstract: Some embodiments relate to a dual cure polymerization system combining aza-Michael addition polymerization and photopolymerization. Some embodiments also relate to a dual cure polymerization system for preparing interpenetrating polymer networks. Some other embodiments relate to compositions and articles obtainable by a process of the invention and uses thereof.