Abstract: Amine derivatives of benzoylbenzoic acid, benzoylbenzoic acid esters and salts were prepared, which are suitable as photo initiators for UV & LED curable compositions. The derivatives are compounds of Formula I, Ia, and II wherein R1, R1a, R2, R3, n and r are as defined herein.

Abstract: 4-Arylbenzoyl benzoic acid esters, such as the ethylhexyl esters and amyl esters of 4-phenylbenzoyl benzoic acid, are described, which are liquid and show excellent solubility in acrylic or methacrylic monomers. Compounds of Formula 1, wherein R1, R2, and A are as defined herein, are disclosed. They are suitable as components for radical photoinitiator systems for UV-curable compositions.

Abstract: The present invention is directed to polyester resins which are prepared by depolymerizing virgin, scrap, recycled or reclaimed polyethylene terephthalate (PET) via an alcoholysis reaction with one or more polyhydric alcohols to form a depolymerization product and esterifying the depolymerization product with one or more polybasic carboxylic acids and/or anhydrides and optionally polyhydric alcohol to form a polyester polyol. The polyester may then be acrylated with acrylic acid to form a polyester acrylate resin. The polyester resins are then used in energy curable coating compositions or inks and in particular, the polyester acrylate resin is suitably used as a reactive binder/oligomer.

Abstract: The invention relates to photoactive oligomeric aminoketones of general Formulae I and II, for compositions and inks curable with ultraviolet (UV) light. The oligomeric aminoketones of the general Formula I are made by condensation of aminoketones with aldehydes, and aminoketones of the general Formula II are made by acylation of aromatic amines with phthalic anhydride, followed by esterification with a polyol. The aminoketones provide good curability of energy curable coatings and inks with UV-A light, and are proposed for photoinitiator systems for low migration inks.

Abstract: The present invention is directed to photoactive resins employed in radiation curable compositions and ink. The radiation curable compositions include mono or multi-functional acrylates, an amine and the above-mentioned photoactive resin. Radiation curable inks at least include the components of the radiation curable composition in addition to colorants.