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Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products 2019.07.22 Dr. Leo CHEUNG, Chi Hang Consultant, Surface Technology Smart Manufacturing & Mainland Business Division

Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

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Page 1: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products

2019.07.22

Dr. Leo CHEUNG, Chi Hang

Consultant, Surface Technology

Smart Manufacturing & Mainland Business Division

Page 2: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

How we can help you

SMD: Surface Technology

What We Have Done

Problem to be Addressed☉ Tailor-made functional coating solution

offering☉ R & D on new material for functional

coating

Tailor-made coating New material R&D

► Vacuum IP Plating

► Electrochromic(EC) Glass ► Anti-fouling coating and

coating systems

☉ Consultancy service on manufacturing systems for surface coating

Market driven to multi-functional product

Customers looking for products with longer sustainability

► Plasma Treatment

Surface coating systems

Page 3: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Problem for Silicone Rubber Product

• Silicone has good thermal and bio-compatibilities

• Prone to electrostatic adhesion of dust

• Conversional methods uses paints to protect • Volatile Organic Compounds (VOCs)• Not long lasting

• Limited usage because of the poor cosmetic appearance

Page 4: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Our Solution

• Environmental friendly• Waterless and no VOCs• No harmful chemicals

• Single process • surface cleaning • neutralization of surface charge

• Long lasting • Durable products

• Superior touch feeling and cleanability

• Scalable design• High Throughput• Low running costs

Page 5: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

• Silicone surface is negatively charge due tothe negative oxygen groups

• Dust particles are positive charge

• Dust particles and silicone surface areattracted by electrostatic force, thereforedifficult to clean

Technical Details

ΘΘ Θ

Page 6: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

• Surface modification of silicone rubber surfaces

• Negatively charged silicone surface is cleanedand removed by the plasma action

• Energy of the reactive plasma remove surfaceoxygen group

Technical details-ve group

Cleaned surface

Page 7: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Benefits• Environmental friendly (waterless and no VOCs)

• Long lasting anti-dust and anti-statics properties

• Superior touch feeling, cleanability and durability

• Scalable design for different products sizes and manufacture scale

• Low operational cost

• Demo video : https://youtu.be/oqHb0GduDvo

Page 8: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Achievements• Original Design Manufacturing Equipment

• PRC Utility Model Patent granted (patent no.: CN202279857U & CN202297756U)

• 45th International Exhibition of Inventions Geneva (Swiss) – Gold Award• Hong Kong Awards for Industries – Certificate of Merit

Page 9: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Experience for Manufacturing• Fully tested in small scale manufacturing for a number of client

• 2 production equipment operating for 2 years

• Applications:Medical Devices, Wearable products/devices, healthcare products, cosmetic products, baby care products. and cookware

Page 10: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

Potential Applications

Page 11: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

HKPC Services

• Sample Trial

• Tailor-made recipe development

• Tailor-made manufacturing system

• Current manufacturing status assessment, system modification/upgrade

• Government funding application/support

Page 12: Eco and Durable Plasma Surface Treatment Technology for ... · 7/22/2019  · Eco and Durable Plasma Surface Treatment Technology for Silicone Rubber Products ... • Environmental

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Thank You