Water Based Barrier Coatings - TAPPI ppt.pdf · Water Based Barrier Coatings. ... Spray Brush Dip...
Transcript of Water Based Barrier Coatings - TAPPI ppt.pdf · Water Based Barrier Coatings. ... Spray Brush Dip...
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Water Based Barrier CoatingsLeading the future use of paper
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OVERVIEW
• Purpose: Review the use of barrier coatings for paper packaging both now and in the future
• Considerations/Factors- Drivers – traditional and water based materials- Needs - performance, environmental, regulatory- Practices – materials, application, converting - Future trends
• Payoff: Lead the future use of paper for barrier applications.
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Put simply…
Coatings improve the performance of paper
and packaging performance.
Without Coatings With Coatings
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Agenda
1. Drivers
2. Needs
3. Practices
4. Future Trends
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Drivers
1. Cost – selling price, applied cost, cost of use
2. Performance
- If both are present, better chance of commercial success.
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Performance
Amount
Applied
Polyethylene/Wax Treatment
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Drivers - Coatings
• Nearly infinite possibilities- Polymers- Additives- Synthetic emulsions- Inorganic barriers
• Dial in on specific properties
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Agenda
1. Drivers
2. Needs
3. Practices
4. Future Trends
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Performance
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Water Resistance
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Water Resistance
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Oil & Grease Resistance
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Recyclability
• Paper replaces EPS
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Needs – Environmental
1. Reuse/recover trends
FBA Protocol
2. Biodegradability trends
ASTM 5338
3. Compostability trends
ASTM 6868
4. European mineral oil migration
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Compliance
• In U.S.- Local, State, & Federal
• Safe to use, handle, & process
• Food contact• TSCA
•Outside U.S.
• Chemical Inventories in 9
Countries
• REACH and EINECS in
Europe
• DSL in Canada
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Agenda
1. Drivers
2. Needs
3. Practices
4. Future Trends
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Practices - Materials
• Lightweight
• Folding Carton
•Corrugated/Laminated
•Molded Pulp
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Practices – Application Methodology
Blade
Rod
Roll
Air Knife
Flexo
Gravure – direct, indirect, reverse
Spray
Brush
Dip
Curtain
Slot diePremetered transfer
Water box
Size pressPaperCon 2011 Page 1045
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Practices - Converting
Folding
GlueingScoring
Bending
Creasing
Corrugating
Heating
CoolingSealing
Laminating
Printing
Abrading
Scratching
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Agenda
1. Drivers
2. Needs
3. Practices
4. Future Trends
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Future Trends
Environmental
Safe for the Environment Use renewable resources
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Landfill
Compost
Recover Reuse
Paper
Converter
Retail
Consumer
Future Trends
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Water Based Barrier Coatings•Leading the future use of paper
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