| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to a photoinitiator, a method for production and use thereof and a coating composition. The photoinitiator is a compound of formula: (PI-Sp)-BB (I), where PI is a thioxanthone group, optionally including additional substitutes in the Sp group; Sp is a spacer link selected from a group consisting ofor, BB is a backbone chain link selected from a group consisting ofThe method of producing the photoinitiator includes the following steps: (a) optionally substituted thioxanthone, containing at least one hydroxy group, reacts with epichlorohydrin or haloacetic acid ester; (b) the compound from step (a) reacts with the corresponding backbone chain link containing a functional group, or the compound from step (a) reacts with a compound containing a functional group, and the obtained intermediate then reacts with the corresponding backbone chain link; optionally (c) obtaining derivatives of the compounds from step (b). The photoinitiator is used to cure a coating composition, preferably printing ink containing a polymerisable component.EFFECT: invention enables to obtain a photoinitiator with good curing activity, faint odour and good compatibility with other components of the composition.10 cl, 1 tbl, 4 ex |
