ULTRASONIC SPRAY COATINGS Direct Food Contact and Packaging Films Applications - PowerPoint PPT Presentation

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ULTRASONIC SPRAY COATINGS Direct Food Contact and Packaging Films Applications

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Title: ULTRASONIC SPRAY COATINGS Direct Food Contact and Packaging Films Applications


1
ULTRASONIC SPRAY COATINGS Direct Food Contact and
Packaging Films Applications
Dr. Yossie Riemer President Sono-Tek Corporation
2
Operating Principle
Ultrasonic nozzles operate by converting a high
frequency electrical signal, fed into two
electrodes sandwiched between two piezoelectric
transducers, resulting in mechanical expansion
and contraction of the transducers.
Titanium Rear Horn
Atomized liquid is generated As a soft,
low-velocity spray Resulting in minimal overspray
Active Electrode
Rear Housing
Ground Electrode
Front Housing
This causes vibrations to be sent down the
nozzles titanium horn, ultrasonically
vibrating at the nozzles atomizing tip.
Ground Lug
O-Ring Seal
Liquid Feed Channel
Liquid emerging onto the atomizing surface is
broken into a spray by the ultrasonic energy
concentrated there. This ultrasonic nozzle
design provides an easily controllable atomized
spray that cannot clog because of the large
liquid feed orifice and the self-cleaning
ultrasonic vibration.
O-Ring Seal
Atomizing Surface
Titanium Amplifying Section (Front Horn)
O-Ring Seal
Electrical Connector to the Broadband Ultrasonic
Generator
Piezoelectric Trasnducers
3
Drop Sizes
In an ultrasonically produced spray, drop size is
governed by the frequency at which the nozzle
vibrates, and by the surface tension and density
of the liquid being atomized. Frequency is the
predominant factor. The higher the frequency, the
smaller the median drop size.
4
Ultrasonically Atomized Spray is Easily
Controlled with Precision Low-Velocity Air
Shaping Devices
5
Several Nozzle Configurations Available Depending
on Application
2mm - 10mm
10mm - 25mm
24mm - 75mm
6
Ultrasonic Nozzle Configurations
  • TODAY, OVER 1000 DIFFERENT NOZZLE CONFIGURATIONS
    ARE AVAILABLE FROM SONO-TEK

Ultrasonic nozzles are designed to achieve many
different drop sizes, spray widths and patterns
using a variety of air shaping methods.
7
Industry Expertise
  • MEDICAL

INDUSTRIAL
ELECTRONICS
NANOTECHNOLOGY
8
Medical
TUBE COATING
STENT COATINGS
9
Nanotechnology
  • SONODRY NOZZLES
  • For spray drying applications
  • ULTRASONIC SPRAY DRYER
  • Spray drying from solutions
  • Structure modifications
  • Modification of particle size
  • Drying of suspensions
  • Agglomeration of nanoparticles
  • Spray crystallization
  • Micro-encapsulation and coating

WIDETRACK
Application of thin film nanocoatings
10
Nanotechnology Food Agriculture
  • Nutriceutical Coatings
  • Baked Goods Coatings
  • Aseptic Packaging Sterilization
  • Food Packaging Films

11
Nutriceutical Coatings
  • Nano/Micro coatings of nutriceutical solutions
  • to provide improved health benefits and new
  • product offerings
  • Features
  • Nutriceuticals solution or suspension is
    ultrasonically sprayed
  • Microdroplets readily adhere to product surface
  • Wide range of possibilities for enhancing the
    health benefits with new actives
  • Benefits
  • Improved product quality claims
  • Accurate dosage
  • Cost of Goods savings

12
Baked Goods Coatings
  • Ultrasonic spray applications include natural
  • antimicrobial coatings, pan release coatings,
  • flavors, spices, decorative coatings and glazes
  • Features Applications - The opportunities for
    improvements in baked
  • goods manufacturing using ultrasonic nozzles are
    numerous and span a variety
  • of applications.
  • Natural antimicrobial coatings to finished
    products
  • Spraying of anti-stick pan release materials
  • Flavor enhancements using thin virgin olive oil
    or spice coatings
  • Transparent glazes for added shine and colorful,
    accurate decoration
  • Benefits
  • Cost of Goods savings
  • Reduced operational costs
  • Custom product offerings

13
Aseptic Package Sterilization
  • Uniform thin film spraying
  • of Hydrogen Peroxide
  • (H2O2 - 35) for
  • sterilization of containers
  • during aseptic filling
  • Features
  • H2O2 readily adheres to packaging material
    surfaces
  • Application can be customized within current
    aseptic packaging lines, and designed as a
    component in new aseptic fillers
  • Benefits
  • Reduced sterilant residue
  • Cost of Goods savings
  • Reduced operational costs

14
Food Packaging Films
  • Nano/micro material coatings onto plastic film
  • webs for longer product shelf life and enhanced
  • functional characteristics
  • Features
  • Thin film coatings of clay nanoparticles enhance
    barrier properties against oxygen, moisture and
    carbon dioxide
  • Aqueous or biodegradable polymer-based specialty
    coating solutions readily adhere to film surfaces
  • Application can be customized within current film
    manufacturing lines
  • Benefits
  • Longer product shelf life
  • Improved product quality
  • Cost of Goods savings in the use of expensive
    biodegradable nanomaterials
  • Environmentally friendly biodegradable packaging

15
Sono-Tek Ultrasonic Coatings
  • An enabler for food and food packaging
    manufacturers to benefit from an ever-growing
    array of new nanomaterials
  • Customized solutions for food and food packaging
    manufacturers based on successful technology
    transfer from other industries
  • Joint development and turn-key project
    opportunities

16
Global Solutions in Ultrasonic Spray Technology
FD07R1PPT
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