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Surface Tension Wettability Control at Plastic Films

  • Eingestellt 17.02.2009
  • Stand Funktionsmodell, Prototyp, Beschreibung/Zeichnung
  • Schutzart Patent angemeldet
  • Gesucht Produzent, Lizenznehmer, Vertrieb, Patentkäufer, Prototypenbau
  • Länder Deutschland


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Opto Dynamic Surface Tension Wettability dynes control ODSTM-1 at fast moving plastic or packaging film, foil or other substrates as like BOPP, LDPE, LLDPE, HDPE, MDPE, PET, PP, PE, PS, PO, EVA, PTFE. Non contact, real time and optical online operation surface energy dynes control systems for running webs as like plastic films in general, coatings, laminates etc. does not exist world wide. A large number of companies are serious interest in project cooperation, system development, prototyping, manufacturing, testing, and world wide sales, system purchasing and licensing in order of the working principle of the ODSTM-1 Process Measuring System and former Patent application DE19543289. Due to the broad application field of surface-treated or surface non-treated webs of plastic film, non-wovens, fabrics, laminate or coated paper, there is unimaginable market potential here in respect of the inline process measuring of the surface tension dynes and an inline control


Dyne control application. Described is a method and device for optical inline tough less surface tension control ODSTM-1 in DE19543289 by which the fast moving substrate runs through the measuring gap. It’s transmitted with a chromatic beam and spectral selected light source were two optical channels are displaced and polarized by 90 degree to each other. Both optical axles are precise and motor driven shift able in certain angles from 25 up to 65 degree. The spectral light photons, photonics, photovoltaic, illumination, transmission, extinction, absorption grades are detectable by two optical CCD imagine vision devices which are integrate in the sensor case on the other side of the substrate. Material condition, moving substrates means plastic foils, flexible, hi-tech films, laminate.


Optical properties. Material specific wave length selection between 1,200-1,800 nm, material specific finger prints, molecular spectral properties, transmission grades, optical angle scanning, Lambert Beersche law determining, ultra low level stray scatter light detection, polarization, slot diaphragms, transverse displacements control the light beams along/far from the optical X and Y axes. The results are extreme scattering, diffraction, NIR, IR, stray light photons generation into the layer areas at both sides of the moving substrate. Their reflected and transmitted light intensities enables the determination by defined formulas and data matrixes the surface tension values in ranges from 28-62mN/m which are direct associate and bond to real static values for Statistical Quality Control.

Markt & Umfeld

inkjet media, heat sealing, plastic, security, sensitive tapes, graphic, specialty, industrial, electrical applications, building or engineering, photographs, masking or printable plastic, flat or corrugated rigid foamed thermoplastic sheets, polycarbonate, acrylic, PETG, extruded or polished cellulose, optical grade polycarbonate, sheets for IR or laser protection, welding filter grade sheet, film for video, imaging, capacitor or thermo transfer applications, foamed polypropylene film, binary oriented polystyrene sheets, multi layer co-extruded film, high impact PVC, PETG, polyimide, aerospace automotive medical agriculture marine automotive household commercial domestic construction, municipal and leisure applications, nano micro membranes


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