mitsui chemicals, inc. · 2019. 5. 23. · july. 2007. chemipearl. tm . polyolefin-based aqueous...
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July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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MITSUI CHEMICALS, INC.
CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
April 2015
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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W Grade
What is CHEMIPEARL™?
Electron Micrograph of CHEMIPEARLTM
CHEMIPEARL™ is: - an aqueous dispersion without using any emulsifying agents. - spherical particles with narrow distribution particles size.
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Characteristics of CHEMIPEARLTM
1) No Organic Solvent 2) No Emulsifying Agent
1)Spherical Particles 2)Narrow Distribution of Particle Size
1)Environmentally Friendly 2)Good Waterproof Ability
1)Low Friction Resistance (ChemipearlTM W) →Excellent Rub-off Resistance →Excellent Lubricity
2)Excellent Film Formation (ChemipearlTM S)
2.Particles
1.Aqueous Dispersion
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Grades and Applications of CHEMIPEARL™
A Thermo- plastic
Elastomer
M Low-density Polyethylene
S Ionomer
W Low-
molecular- weight
Polyolefin
1.Additives for Printing Inks 2.Modifier for Emulsions
1.Anti-blocking Agents 2.Improvement of Slip Properties
1.Heat-sealing Agents 2.Anti-blocking Agents 3.Modifier for Emulsions
1.Heat-sealing Agents 2.Anti-corrosion Paints
1.Additives for Printing Inks 2.Anti-blocking Agents 3.Improvement of Slip Properties
V Ethylene-
Vinyl Acetate Copolymer
CHEMIPEARLTM
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Applications of CHEMIPEARL™ S What is CHEMIPEARLTM S?
CHEMIPEARLTM S is: - An aqueous dispersion without using any emulsifying agents. Environmentally Friendly Excellent Waterproof Ability - Consist of an ionomer. Good Heat-Sealing Adhesives for Metal and Paper Good Oil and Water Resistance
Adhesion &Oil resistance
-(-(CHCH22CHCH22))ll-(-(C CHC CH22))mm-(-(C CHC CH22))nn--
COOH COOH COOMCOOM
RR RR
Crystallization & Waterproof Ability
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Applications of CHEMIPEARL™ S
Heat-sealing Adhesives for Metal, Paper and Film
Sealing of Paper/Al and Oil Resistance
←CHEMIPEALTM S Al Paper
←CHEMPEALTM S Al Al
Heat-sealing of Al/Al
Heat-sealing of Film/Film
Heat-sealing Agents for Non-woven Fabric
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
Physical Properties of CHEMIPEARL™ S
Grade Solid
content (%)
pH Viscosity (mPa・s)
Particle size (µm)
Haze※2
(%) Characteristic
S100 27 10 400 < 0.1 1.4 Standard type
S300 35 10 400 0.5 2.6 High solid content
S80N※1 24 9.4 430 < 0.1 1.4 Lower heat-
sealing temperature
※1 under development ※2 Coating conditions Base: PET Film 50μm Haze 1.6% Baking conditions: 110℃×1 min Coating Thickness: 3 µm (dry)
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Procedure for Evaluation
Coating conditions Baking conditions: 110℃×1 min Coating Thickness: 3 µm (dry)
Heat sealing conditions Temp.:25-150℃ Pressure: 2 kg/cm2
Time: 1 sec
AL
ChemipearlTM
AL
ChemipearlTM
AL
ChemipearlTM
AL
Paper
ChemipearlTM
AL
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Heat Sealing Strengths
AL/AL AL/Paper
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Al Foil (40μm) or Paper (Quality Paper)
Coating with ChemipearlTM S (Weight: 5g/m2 as Dry)
Baking for Film Formation (100°C, 1min.)
Heat-sealing with Each Substrate (2kgf/cm2, 1sec.)
Peeling Test
Peel Angle: 180o Peel Speed: 200mm/min.
Typical Procedure for Evaluation as Heat-sealing Agent
Specimen Preparation
Peeling
Al Foil (or Paper)
July 2007 CHEMIPEARLTM Polyolefin-based Aqueous Dispersion
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Increasing of Surface Adhesion
How to Chose ChemipearlTM S If Peeling Surface is:
Metal
Metal ChemipearlTM S
- between Metals/Chem.S - a Failure of Chem.S increasing
surface adhesion increasing resin strength
Acid Content (High) (Low) Acid Content (High) (Low)
Deg
ree
of
Neu
tral
izat
ion
(Hig
h)
(Low
)
Deg
ree
of
Neu
tral
izat
ion
(Hig
h)
(Low
)
Increasing of Resin Strength
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Coating for Chromate and Non-chromate Steel Plates
Applications of CHEMIPEARL™ S
Anti-corrosin
Chromate Steel
Chromate layer
Lubricated Steel
Oil-less Molding
Steel
CHEMIPEARLTM
Non-chromate Steel
・Anti-corrosion ・Oil-less Molding
Zn Metallation
Steel
Zn Metallation
Steel
Zn Metallation
Chromate layer
Steel
Zn Metallation
CHEMIPEARLTM
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Evaluation Method and Condition
Steel Plate:Zn metalized iron Paints 1) S100 + Colloidal Silica 2) Acrylic Emulsion + Colloidal Silica 3) Blank (None) Resin/Silica =100/30 Paint Thickness: less than 1.5 μm Peak Metal Temp.: 100oC SST: 120Hrs (*Blank: 24Hrs)
Results Sample Corrosion Ratio (%)
(After SST) 1) >0.1 2) 2-80 3) 100*
Evaluation as Anti-corrosion Paint
1) S100 + Silica 2) Acrylic Emulsion + Silica 3) Blank