"Utilizing UV Curing in Decorating Plastic Substrates 101" presented by Steve Hatkevich, Director of R&D, American Trim LLC at RadTech UV & EB Technology Expo & Conference 2014. To learn more about UV & EB curing, visit http://www.radtech.org.
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This webinar will cover the latest trends, new applications and key players in the Ultraviolet (UV) and Electron Beam (EB) industry. The findings from the recently held RadTech2014 conference in U.S., market trends and outlook for this industry and its impact on customers will also be covered under this topic.
Radiation-Cured Components & Their Use in Hard, Scratch Resistant Coating App...Sartomer
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- Current and potential hard coat applications
- Description of products tested and their attributes
- Taber haze and Taber abrasion resistance
- Weathering resistance
- Barrier properties of a typical hard coat formulation
- Polyurethane dispersion products (PUDs)
You can visit Sartomer at Sartomer.com and follow them on Twitter @SartomerGlobal and on LinkedIn.
"Functional and Design Opportunities Using PVD + UV Coatings" by Jason Eich, Red Spot given at RadTech UV & EB Technology Expo & Conference 2014. To learn more about UV curable coatings, visit http://www.radtech.org.
I wrote and presented this technical paper at a European conference while Business Development Manager. It describes how UV curing can be applied to the fiberglass composite filament winding process and the benefits. The sales team also used this with manufacturing prospects to educate and move further along the sales cycle.
Ultra Violet (UV)/ Electron Beam (EB) Curing of Coatings: Operation – Applica...Leonardo ENERGY
This webinar will cover the latest trends, new applications and key players in the Ultraviolet (UV) and Electron Beam (EB) industry. The findings from the recently held RadTech2014 conference in U.S., market trends and outlook for this industry and its impact on customers will also be covered under this topic.
Radiation-Cured Components & Their Use in Hard, Scratch Resistant Coating App...Sartomer
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- Description of products tested and their attributes
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- Weathering resistance
- Barrier properties of a typical hard coat formulation
- Polyurethane dispersion products (PUDs)
You can visit Sartomer at Sartomer.com and follow them on Twitter @SartomerGlobal and on LinkedIn.
"Functional and Design Opportunities Using PVD + UV Coatings" by Jason Eich, Red Spot given at RadTech UV & EB Technology Expo & Conference 2014. To learn more about UV curable coatings, visit http://www.radtech.org.
I wrote and presented this technical paper at a European conference while Business Development Manager. It describes how UV curing can be applied to the fiberglass composite filament winding process and the benefits. The sales team also used this with manufacturing prospects to educate and move further along the sales cycle.
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MDF or Medium Density Fiberboard is an excellent substrate for UV cured powder coating because of the lower curing temperatures and fast process, often 20 minutes or less. This is beneficial because the longer wood is exposed to heat the more it degrades, causing defects such as cracking, outgassing, pin holing, grain raise, and fiber popping. Learn more about UV cured powder coatings for MDF in this presentation or at www.dvuv.com.
Ultraviolet curing is a photochemical process in which high-intensity ultraviolet light is used to instantly cure or “dry” inks, coatings or adhesives.It have been around as a coating for paper in magazines and brochures and as a clear coating on printed circuit boards for years.It is fast becoming one of the most popular techniques in the paint and coatings industry.For more information:- http://aplmachinery.com/products/uv-curing-system/
Comparison of light emitting diode curing unit and halogen based light curing...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
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High-Performance UV-Curable PUDs With High Renewable Carbon ContentSartomer
This presentation addresses the use of UV-curable polyurethane dispersions for sustainable coatings. Features, properties, effects and project conclusions are discussed. For more information, please visit www.sartomer.com or follow Sartomer on Twitter @SartomerGlobal. Thanks for viewing!
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Low pressure Molding could protect LED strip, PCB and magnetic very well. Macromelt & Technomelt as a common molding materials play in an encapsulating and environmentally protection on sensitive electronic components, IC molding sealing, Magnetic over molding and other sensitive components pakage. The main intention is to protect the sensitive electronic components during the molding stress, because high pressure molding would harm the properties of these components. Additionally, low pressure seal molding also protects electronic components against dust, moisture and vibration stress. It is also commonly used for Cable relief and sealing connectors.
"Finishing Technology for Consumer Electronics:
A Manufacturer’s Perspective" given by James Wrezel, Bing Diao & Sarah Severson from Motorola Mobility LLC, a Google Company.
The presentation was given at RadTech UV & EB Technology Expo & Conference 2014. To learn more about UV and EB Curing Technology, visit http://www.radtech.org.
Ultraviolet (UV) light has been used to cure coatings for more than 30 years, and companies have been successfully using UV-cured powder coatings for more than 20 years. UV-cured powder coatings can replace solvent liquid coating (in some cases thermoset powder coating) and are a finishing material of interest for many new materials and products.
MDF or Medium Density Fiberboard is an excellent substrate for UV cured powder coating because of the lower curing temperatures and fast process, often 20 minutes or less. This is beneficial because the longer wood is exposed to heat the more it degrades, causing defects such as cracking, outgassing, pin holing, grain raise, and fiber popping. Learn more about UV cured powder coatings for MDF in this presentation or at www.dvuv.com.
Ultraviolet curing is a photochemical process in which high-intensity ultraviolet light is used to instantly cure or “dry” inks, coatings or adhesives.It have been around as a coating for paper in magazines and brochures and as a clear coating on printed circuit boards for years.It is fast becoming one of the most popular techniques in the paint and coatings industry.For more information:- http://aplmachinery.com/products/uv-curing-system/
Comparison of light emitting diode curing unit and halogen based light curing...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
UV-curable polyurethane dispersions (UV-PUDs) have become a well established and commercially successful class of products because of their combination of low environmental impact, range of achievable properties and ease of use. This presentation provides an overview of Sartomer's UV-PUDs, including end applications, liquid properties, processing and curing conditions, performance rankings and other features. For more information, go to www.sartomer.com and follow Sartomer on Twitter @SartomerGlobal.
High-Performance UV-Curable PUDs With High Renewable Carbon ContentSartomer
This presentation addresses the use of UV-curable polyurethane dispersions for sustainable coatings. Features, properties, effects and project conclusions are discussed. For more information, please visit www.sartomer.com or follow Sartomer on Twitter @SartomerGlobal. Thanks for viewing!
This presentation will explain how the combination of a conductive primer, plasma treatment, and UV-curable powder coatings is a viable way to finish lightweight materials without causing thermal damage or deformation. It will describe plasma treating, operating conditions, and surface condition measurements before and after plasma treating. The second half of the presentation will describe adhesion results of UV-cured powder coating with and without plasma treating on various plastics and composites. It will conclude with an evaluation of suitable substrates for plasma treating, UV-cured powder coating, and UV-cured powder coating performance results specifically for the aerospace industry.
Low pressure Molding could protect LED strip, PCB and magnetic very well. Macromelt & Technomelt as a common molding materials play in an encapsulating and environmentally protection on sensitive electronic components, IC molding sealing, Magnetic over molding and other sensitive components pakage. The main intention is to protect the sensitive electronic components during the molding stress, because high pressure molding would harm the properties of these components. Additionally, low pressure seal molding also protects electronic components against dust, moisture and vibration stress. It is also commonly used for Cable relief and sealing connectors.
"Finishing Technology for Consumer Electronics:
A Manufacturer’s Perspective" given by James Wrezel, Bing Diao & Sarah Severson from Motorola Mobility LLC, a Google Company.
The presentation was given at RadTech UV & EB Technology Expo & Conference 2014. To learn more about UV and EB Curing Technology, visit http://www.radtech.org.
SARBIO: Acrylates/Methacrylates from Biorenewable MaterialsSartomer
This presentation provides an overview of Sartomer's SARBIO monomers and oligomers. It includes product names, properties, features and suggested applications. For more information, go to www.sartomer.com and follow Sartomer on Twitter @SartomerGlobal
wholesale Epson HP Canon Xerox Brother Roland Mimaki Mutoh etc compatible re...sharktcl
We are a professional printing supplies manufacturer in shenzhen China, Our product range:wide-format Eco-Solvent/UV/sublimation,textile ink cartridges, toner cartridges,CISS, Dye/Pigment inks. we offer high quality product with amazing price. if you need samples for test let me know.
We also looking for long-term business relation ship,
for more details pls send lark@lamborink.com , thanks!
APL provide fully automatic spot and full coater and curing (of coating by ultraviolet radiation) systems, which are designed and manufactured in conformation with the International standards.
UV LED - Technology, Manufacturing and Application Trends 2015 Report by Yole...Yole Developpement
Beyond simply replacing mercury lamps, UV LEDs are finding their way into new applications
NOW ESTABLISHED IN UV CURING, UV LEDS WILL FIND GROWTH OPPORTUNITIES IN DISINFECTION AND PURIFICATION AND NEW APPLICATIONS BY 2017 / 2018
Thanks to their compactness and low cost of ownership, UV LEDs continue to make their way in the booming UV curing business, through replacement of incumbent technologies such as mercury lamps. Thanks to this an overall UV LED market that represented only ~$20M in 2008 grew to~$90M in 2014, at a compound annual growth rate (CAGR) of 28.5%...
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Orthodontic resins /certified fixed orthodontic courses by Indian dental acad...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Rheological test can be very helpful tools for polymer processing and development. This presentation is designed to be an informative introduction and guide to rheological tests, and finding correlations between equipment and processing techniques.
QbD for "Drug Eluting Stents (DES)" by Dr. K.McDemott & S.ChatterjeeShivang Chaudhary
The drug coating process for coated drug-eluting stents (DES) has been identified as a key source of inter- and intra-batch variability in drug elution rates. Quality-by-design (QbD) principles were applied to gain an understanding of the ultrasonic spray coating process of DES. Statistically based design of experiments (DOE) were used to understand the relationship between ultrasonic atomization spray coating parameters and dependent variables such as coating mass ratio, roughness, drug solid state composite microstructure, and elution kinetics. Defect-free DES coatings composed of 70% 85:15 poly(DL-lactide-co-glycolide) and 30% everolimus were fabricated with a constant coating mass. The drug elution profile was characterized by a mathematical model describing biphasic release kinetics. Model coefficients were analyzed as a DOE response. Changes in ultrasonic coating processing conditions resulted in substantial changes in roughness and elution kinetics. Based on the outcome from the DOE
study, a design space was defined in terms of the critical coating process parameters resulting in optimum coating roughness and drug elution. This QbD methodology can be useful to enhance the quality of coated DES.
There has been an explosion in new coating technologies for electronics over the past 24 months.
•Key Drivers
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–Oxygen barrier (hermeticity)
–Tin whiskers
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Orthodontic resin /certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
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Utilizing UV Curing in Decorating Plastic Substrates 101
1. UTILIZING UV CURING IN
DECORATING PLASTIC
SUBSTRATES 101
By Steve Hatkevich, Director of R&D,
American Trim LLC
2.
3. UV Curing at
• Organic Coatings Products (OCP), 20+ years of UV
formulating and manufacturing experience
• Material Deposition Center (MDC)
• Finish Development Center (FDC) at Amtrim’s Research
and Development Center, Lima, Ohio headquarters
4. Agenda
• Definitions
• Plastic substrate characteristics
• Role of surface energy of ink and substrates
• Types of UV curing
• Deposition methods for decoration
• Processes available to decorate both 2D and 3D surfaces
• How UV curing can benefit the process
• Conclusions
5. Definitions
• Plastics: Synthetic materials made from organic polymers that
can be molded into shape while liquid or soft and then set into
rigid or elastic forms. From the Greek “to mold”
• Ultraviolet (UV) Curing: Ultraviolet or UV curing is a process
that uses electromagnetic radiation in the UV spectral range
(wavelengths shorter than light but longer than X-rays; in the
range 0.4 × 10 --6 and 1 × 10 --8 meters) to initiate the
polymerization of monomers and/or oligomers typically through
the stimulation of photo initiators. UV curing provides virtually
instant drying/ polymerizing of inks, coatings or adhesives.
• Surface Energy: Measures the disruption of intermolecular
bonds at the surface of a material
6. Plastic Substrates – Fluid Relationship
• Adhesion is common problem in materials that possess
low surface energies. Examples can include High-Density
Polyethylene and Polypropylene
• High levels of surface energy on solid substrate and lower
surface tension in deposed liquid results in increased
molecular attraction & superior bond strength
• Lower substrate surface tension than that of the deposited
liquid, results in weakened attractive forces and repelling
of the liquid.
• Substrate surface energy should > 5mN/m (dyne/cm) of
deposited fluid material
8. Cautions
• “In the Industrial World, almost nothing we work with is
pure” &“You pay for purity”*
• Reported material surface tension figures will vary
depending on conditions of testing and material
manufacture
• The surface tension of a plastic will differ according to the
way it is made
• Extruded plastics will typically include surface waxes that
with reduce a plastic substrate’s surface tension
• Need to minimize infrared heat that can damage plastic
substrates & bloom plasticizers to plastic surfaces
inhibiting ink & coating adhesion
* Dene Taylor, PhD – Industry Consultant
9. Adhesion Promotion
• Surface roughening
• Solvent & co-solvent composition of fluid
• Primers & tie-coats
• Adhesion promoters:
• Covalent bonding
• Chemical similarity
• Other attractive forces, i.e. van der Waals,
electrostatic, hydrogen bonding
• Plasma, corona & flame treatment
• Plasma produces less heat eliminates need for
masking
Image sources: Dumore Corp., Plasmatreat, Enercon Industries
10. Determining Wetting for Adhesion
• Wetting Tests
• Water Break Test (dipping plastic substrate in water: film or bead)
• Dyne Pen Test (Sherman pen set with varying chemical dyne levels)
• Contact Angle Determination
• Gonimeter Methods (manual viewing of backlit drop on substrate)
• Automated Contact Angle Measurement (video camera & computer)
• Water Drop Contact Angle Measurements (TAPPI method T558)
• See also standard DIN 55660
• ASTM D5946 (Guide for treatment of low energy plastics)
• Marginal or no treatment >90° (under approximately 34 dynes/cm)
• Low treatment 85-90° (approximately 36-34 dynes/cm)
• Medium treatment 78-84° (approximately 39-36 dynes/cm)
• High treatment 71-77° (approximately 43-40 dynes/cm)
• Very high treatment <71° (above approximately 43 dynes/cm
•
11. Other Factors Matching UV Ink to Plastics
• Modulus: Stress behavior of ink/coating when dry should
be consistent with substrate
• Coefficient of Thermal Expansion & Chemical Structure:
Matching ink/coating to substrate considering the 3D
nature of both
• UV curable digital inks typically cure so rapidly that their
drops solidify before completely wetting out on the
substrate UV ink’s surfactant component has the highest
impact on the ink formulation’s surface tension
• Speed of the printing press & print head (higher drop
generation increases ink surface energy)
12. Types of UV Curing Exposure
• Near UV: 400-200 nm
• UV-A: 400-315 nm
• UV-B: 315-280 nm
• UV-C: 280-200 nm
• Far UV: 200-10 nm
• Deep UV: 31-1 nm
• Black light
• Arch lamp
• Mercury bulb
• LED
• Laser for Stereolithography
Image sources: Heraeus Noblelight, signindustry.com, printingtechnology.net
Microwave UV Mercury bulb
LED UV
13. Types of UV Curing Chemistry
• Free Radical: Over 90% of UV cure chemistry is the free radical type
using primarily acrylic (acrylate) components. A large variety of
monomers and oligomers are available providing a wide range of
properties. Polymerization halts with removal of UV source. Free
radical systems are vulnerable to oxygen inhibition where oxygen in
the air prevents the molecules at the surface from polymerizing.
• Cationic: Primarily contain epoxy and/or vinyl ether components.
Limited variety of currently available cationic monomers and
oligomers. Curing can continue after the light source is removed, but
it is minimal and often requires a thermal bump, or heating, to be
effective. Cationic photoinitiators can be toxic and their residues
corrosive. Cationic systems are high humidity vulnerable.
15. Decorating 2D and 3D Surfaces
• Applications for UV cure decoration of plastics include
automotive headlamp lenses, control panels, plastic faucets,
television housings, eyeglass lenses, computer keyboards,
catheter tubes, toothpaste tubes, mobile phone cases, writing
pens and markers, drink bottles
• While UV cure chemistry accounts for just over 4% of industrial
decoration and coating. It is growing by about 10% per year
Image sources: Heraeus Noblelight Fusion UV Inc.
16. How UV Curing Benefit Plastic Decoration
• Virtually instant drying
• Compared with solvent inks:
• No VOC worker or environmental
exposure
• No loss of deposited film
thickness or volume
• Less waste & energy used
• Better adhesion & bond strength,
hardness or elasticity
• Resistance to "crazing,"
• Very high gloss possible
• Creates attractive look
• UV clear-coating provides
scratch, chemical & wear
resistance & lengthens image
life
• New free radical polymeric
chemistry is winning approval
for use in food packaging and
with medical devices
UV cure’s high gloss reflection
17. Additional References
• An Introduction to Light Curing Technology, Loctite Corp.,
Rocky Hill, CT.
• www.plasticsdecorating.com July/August 2013, Innovating
Inkjet Technologies for Plastic Products, by Scott R. Sabreen
and Dene Taylor, PhD
• Dynamic Surface Tension of Digital UV Curable Inks, by
Sudhakar Madhusoodhanan, Stephen Sung, Erik Delp, Devdatt
Nagvekar, Matthew Ellison, Daniel Wilson; Hexion Specialty
Chemicals
• Coating Plastics, Some Important Concepts from a Formulators
Perspective, by Lawrence C. Van Iseghem, Van Technologies,
Inc.
18. Conclusions
• UV cure printing of plastics presents a number of critical
challenges and choices
• Surface tension of the plastic substrate needs to be 5 to 8
dynes/cm higher than the ink or coating
• Substrate pretreatment is necessary for printing & coating most
plastics
• Inkjet UV cure offers both cost and adhesion challenges and
market opportunities
• UV cure decoration offers significant advantages for
performance and eliminating of VOC emissions over decorating
plastics with solvent-based inks