Tungsten Oxides Used to Increase The Heat-input Amount of Near Infrared Radiation

The invention relates to the use of tungsten oxide or of tungstate to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic preforms, laser marking of plastics or paper.

List of formula ^ use of tungsten oxide, wherein W is tungsten, O is oxygen, X is O. I to 1, and a salt of tungstic acid or formula MxWyOz use /, where M is one or more selected from cis-4, H, Li, Na, K, Rb, Cs, Ca, Ba, Sr, Fe, Sn, Mo, Nb, Ta, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga , In, Tl elements, W is tungsten, O is oxygen, O. 001 San x / y San I and 2. O <z / y ^ 3. 0, for drying printing ink or ink toner Fixed improve near-infrared heat input in the process of shooting a blessing on the substrate.




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