Henkel solutions enabling printed electronicsDr. Crystal Yang

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1. Introduction Henkel

2. Trends in Printed Electronics

3. Novel materials enabling Printed Electronics

New high speed printable silver inks with very high conductivity

New water based carbon ink for high speed printing

New material set for 3D formed, in-molded electronics

4. Conclusions

Agenda

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Adhesive TechnologiesCosmetics / Toiletries

Three Areas of CompetenceA global leader in Brands and Technologies

Laundry and Home Care

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Adhesive TechnologiesFive market driven business segments

AI

Packaging and

Consumer

Goods

AE

Electronics

AG

General Industry

AT

Transport and Metal

AC

Consumer, Craftsmen

and Building

Leverage expertise, technology platforms, reach across SBUs

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Henkel history in Printed Electronics> 30 years a global leader in material supply for printed electronics

• Conductive inks and coatingsSilver, silver-plated copper, carbon and transparent conductive materials for various applications

• Shielding paintsNickel and Copper filled inks used for EMI shielding applications

• Blendable Resistive (PTC) inksInks with silver / carbon / non conductive pigment blends for printed resistors, potentiometer and heating elements

• Electrode inkSilver / silverchloride based inks for electrodes in biosensors, ECG electrodes and transdermal drug delivery

• Dielectric inksUV-curable materials for dielectric layers

• Electroluminescent inksFor light emitting layers in EL-lamps

• Transparent conductive inksAgNW or nAg based inks

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Trends that favour Printed Electronics

Flexible devices

Now > 2017

ITO as transparent electrode

Printed, transparent electrodes

3D shapedelectronics 3D MID

Printed or formed3D structures

Security and identification

Mainly Al etchedtechnology

High speed printedlabels usingconductive inks

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Non integratedsensors

Integrated smart sensors in textile/wristband

Energy harvesting & storage, smart sensors, heaters/coolers in everyday life

Wearable(medical) sensors

Now > 2015

Smart grid/ e-city

Non communicating, non connected devices

Which Henkel solutions are needed to support these trends and drive PE forward?

Trends that favour Printed Electronic

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How to be successful in Printed Electronics?• Having the right material is not enough to be successfull in PE

• Need to understand each step of the value chain for each application and work with key partners in the value chain

Value chain for printed electronics

• Ink supply• Substrate• Adhesive

Components

1

• Sensor design

Design

2

• Sensor manufacturing

Printing

3

• Side electronics

Assembly

4

• Integration in final application

Integration

5

• End user

End user

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Henkel is working with and bringing together key partnersin the complete value chain to maximise success rate

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1. Introduction Henkel

2. Trends in Printed Electronics

3. Novel materials enabling Printed Electronics

New high speed printable silver inks with very high conductivity

New water based carbon ink for high speed printing

New material set for 3D formed, in-molded electronics

4. Conclusions

Agenda

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Product highlights: summary - overview

Materialname

Sheet resistance(mOhm/sq@25µ

m)Coverage(m²/kg) @

10µm

Times bulkAg resistivity

% Resistance

increase

afterdouble crease

Comments

PET PI

Currentcommercial

materials

Electrodag725A

12 12 11 7,5 26

Standard material for membrane

switch

Electrodag479SS

20 21 14,7 12 30

Standard material for membrane

switch

New materials

ECI1010 4 - 6 4 - 6 10,5 8 20Highly

conductive

ECI1011 2,5 2,8 8,3 3-4 > 200Super highlyconductive

• Comparison between existing commercial Ag inks and new development products

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Detailed technical approach – Flexibility on PET

Double crease test: 1,8 kg rolled over creased foil (both sides)

4mm roll data: roll conductive tracks around 4mm cylinder (both sides)

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1. Introduction Henkel

2. Trends in Printed Electronics

3. Novel materials enabling Printed Electronics

New high speed printable silver inks with very high conductivity

New water based carbon ink for high speed printing

New material set for 3D formed, in-molded electronics

4. Conclusions

Agenda

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NEW!!! ECI7005Water based carbon ink for high speed printing

Property WIK20643-54B

Sheet resistance

(Ohm/sq/25µm)32

Viscosity

(mPa.s @ 15s-1)5400

Solids (%) 36.5

Particle size analysis (D50, μm)

13.6

pH 7.7

Material properties Application technology

Application example: humidity sensor (resistance of material changes when wet)

High speed flexo or rotogravure printing of flex substrates or

textiles

Fully disposable system printed directly on textile (1-layer)

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1. Introduction Henkel

2. Trends in Printed Electronics

3. Novel materials enabling Printed Electronics

New high speed printable silver inks with very high conductivity

New water based carbon ink for high speed printing

New material set for 3D formed, in-molded electronics

4. Conclusions

Agenda

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In-Mold ElectronicsKey applications for in-mold electronics

Interior Automotive Consoles

Appliance control panel Wearable applications

Key drivers for implementation:

Up to 70% weight reduction of control panel

Up to 30% more cost efficient

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In-Mold ElectronicsTypcial process flow (example of Tactotek)

1 2 3 4

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In-Mold ElectronicsMaterial opportunities for building

electronic circuit:

1. Formable silver ink (WIK20489-56A)

2. Formable UV-dielectric ink (WCP21280-3A)

3. Transparent conductor (ECI5005)

4. Protection layer for transparent conductor (ECI9001)

5. Conductive adhesive compatible with -56A or low melting solder paste (LM100)

6. Technomelt for protection of flex connector and PCB board

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Conclusions

• Henkel has been providing solutions that enable printed electronicsfor > 30 years

• Henkel has a focus on printed electronics and offers completematerial solutions to its customers

• Value chain is very well understood and key partnerships enableHenkel to be successful in printed electronics

• Novel materials have been developed to allow: • Cost efficient and environmental friendly high speed printing of

conductive circuits• Thermoformed (and in-molded) electronic circuits

Thank you!