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Adhesive lamination: new technology in Solvent Less lamination.
© nordmeccanica – g.caimmi 2016
Giancarlo CaimmiNordmeccanica Spa.
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Steven Frank ‘Steve’ Lekan
1949-2015
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LAMINATION TECHNOLOGIES
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Energy, MJ/Ream
0
100
200
300
400
500
600
700
800
Solvent-FreeAdhesive
WaterborneAdhesive
Solvent-borneAdhesive
ExtrusionLaminated-15μm
ExtrusionLaminated-20μm
ExtrusionLaminated-30μm
MJ/
Rea
m Energy Productionand UseTransportation
Feedstock Energy
Courtesy:
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Back to basics
100% solid adhesives chemistry
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METER MIXER DISPENSER
TECHNOLOGY
Curing starts here
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100% solid adhesives
Pot Life.-
Curing time (Curing room)
-Time!-Production costs.-Space.
Quality check- .
Cleaning - procedures.
- Scrap.
Time to slitter.-
PAA - decay.
(Laminator)
(Curing room)
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100% solid adhesives: webbing diagram.
REWINDUNWIND 1
Component 1+2
6 m (20’)
UNWIND 2
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9
INNOVATION!
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REWINDUNWIND 1 UNWIND 2
Component 1
9 m
Component 2
Curing NOW starts here
( 30’)
Ready for :
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REWINDUNWIND 1 UNWIND 2
Ready for :
17 m ( 50’)
Turreted version
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Key technical issues.
Accuracy: coating weight control.-
Accuracy: web handling technology.-
Accuracy: lamination nip technology.-
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B
D A
Gap Adjustment(automatic)
Gap Adjustment(operator)
C
Coating weight
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Web handling
Web Handling in thenew technology has afew similarities with atraditional Solvent Lesslaminator and certainpeculiarities.
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adhesive lamination
100% solid
2.0
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Before the lamination nip After the lamination nip
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Typical pot-life curve
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Pot-life curve for the new technologyat the coating head
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Polymerization curve for the new technology
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Performances
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Advantages
30 - minutes to a measurable bond: quicker quality check (bond and optics.
90 - minutes to slitter: no curing room.
24 - h for food contact (PAA decay): quicker time to market.
Production EfficiencyTime-To-Market Cost In-Use
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Advantages
No pot life concern No misting No ink smearing
Lower outgassing Higher production speed.
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Ready for :
As easy to run and faster to set up than a traditional Solvent Less laminator.
No mixer to set up and clean.-No need to wash station between long stops.-
Dosing gap monitored digitally. - (Patent Pending)
Dosing gap operated by accuracy motors- . (Patent Pending)
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New laminator can be used with traditional two components and mono-components
Solvent-Less adhesives.
Requires the use of an MMD unit.
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REWINDUNWIND 1 UNWIND 2
Running job
Set up Job
9 m
Quick change over laminator for traditional SL adhesives.
Requires the use of an MMD unit.
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PRESENTED BYGiancarlo Caimmi, PhDCommercial [email protected]