preparation and application of ir-813 p-toluene sulfonate_kain industrial additive
background and overview[1-2] ir-813 p-toluenesulfonate is a cyanine dye and an infrared absorber. there are reports in the literature that ir-813 p-toluene sulfonate can be used to prepare a positive-working infrared sensitive composition with good resistance to solvents and printing room chemicals. preparation[1] ir-813 p-toluenesulfonate is compound 3a in the picture above. the preparation method…

