Máy đo góc tiếp xúc Phoenix 300 - Cách đơn giản để kiểm tra bề mặt vật liệu
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Transcript of Máy đo góc tiếp xúc Phoenix 300 - Cách đơn giản để kiểm tra bề mặt vật liệu
Total Solution surface chemistry
Dynamic Contact Drop Sharp Contact
Angle (Phoenix) Surface Tension
(DST)
Cleaness Treatment
system (CTA)
Polymers Plastic Film printing Inks & Coatings Paint & Sealants Pharmaceuticals Paper and paper products Hair and Hair care Fibers and Composites Surfactants Semiconductor,Wafer,FPD Electronic components,Lead frame,EMC.,
Surface Wettability Pendent drop for Surface Tension Static Contact angle Solid Surface Energy Absorption Dynamic Contact angle Sequence Contact angle
Analysis of Adhesion Properties Determination of Surface Homogeneity
Cleanliness of solids Time Based Contact angle Advanced Studies
Phoenix 300(Drop Shape ) Phoenix 150
(Drop Shape )
Phoenix Pico/Nano
(Drop Shape )
Phoenix 600(Drop Shape )
Phoenix- multi syringe
(Drop Shape)
Phoenix HT Up to 1200’c
Phoenix Alpha(Drop Shape )
Phoenix Mini(Drop Shape )
Phoenix 300Phoenix
150 Phoenix 600
Measurement range
Contact angle 0 - 180 0 - 180 0 - 180
Surface Tension(dyne/cm) 1 - 500 1 - 500 1 - 500
Frame rate(standard) (Option* )
30fr/sec(90 fr/sec)
30fr/sec (90 fr/sec)
30fr/sec (90 fr/sec)
Measurement Precision
Surface tension (dyne/cm) ± 1 ± 1 ± 1
Contact angle ± 0.1 ± 0.1 ± 0.1
Moving control manual * manual X-,y- control *
Sample size
Max size ( W x H)(mm) 200x 50 200x 50 400x 50
Drop control Auto/manual Manual Auto/manual
Drop size Avg.5-12ul* Avg.5-12ul* Avg.5-12ul*
Camera CCD * CCD * CCD*
Lens 6.5 Zoom 3 zoom 6.5 Zoom
Phoenix Pico
0 - 180
1 - 500
30fr/sec (90 fr/sec)
± 1
± 0.1
Manual*
200x 50
Auto/manual
Up to 70 pico*
CCD*
6.5 Zoom
* : Available the option & depend the needle size
PhoenixAlpha
PhoenixMini
Measurement range
Contact angle 0 - 180 0 - 180
Surface Tension(dyne/cm) 1 - 500 1 - 500
Frame rate (Standard) (Option)
30 fr/sec(90 fr/sec)
30 fr/sec(90 fr/sec)
Measurement Precision
Surface tension (dyne/cm) ± 1 ± 1
Contact angle ± 0.1 ± 0.1
Moving control manual manual
Sample size
Max size ( W x H)(mm) 100x 50 70x 50
Drop control Auto/manual Manual
Drop size Avg.5-12ul* Avg.5-12ul*
Camera CCD * CCD *
Lens 6.5 Zoom 1X zoom* : Available the option & depend the needle size
DST 60 system
DuNouy RingDST 30 system
Measurement Range Method: DuNouy Ring & Wilhelmy
(DST60) DuNouy Ring(DST30)
Surface Tension: 1 – 1000 mN/mSurface Tension: ± 0.2mN/mBalance Precision: 10 mgMax Weight: 200 gMax Diameter: 70 mmLift system: Automatic (DST60) Manual (DST30)
Contact Angle
Contact Angle is the “Angle” measured between the liquid and the solid by drawing a tangent at the point of contact.
It is a measure of the interaction between liquid and solid.
Liquid
Liquid
Solid
VaporContact Angle
Liquid
Liquid
Solid
VaporContact Angle
Young equationSV = SL + LV cos
SV
SL
LV
Develop the image for Contact angle
Old Method(Goniometer )
If Contact Angle is:0 ° - Complete wetting>0 ° but < 90 ° - Partial Wetting>90 ° but < 180 ° - Non- wetting180 ° - Complete non-wetting
S > 0, complete wetting
S < 0,partial wetting
S.C = SV - (LV + SL)
SV
SL
LV
(S.C) = free energy difference between solid, directly in contact with the vapour and a solid covered by a flat, thick liquid layer
What is Spreding Coefficient?What is Spreding Coefficient?
Syringe
Water
Advancing Contact Angle
θLiquid
Solid
Vapor
Solid
the contact angle while fluid is flowing onto the solid
Dynamic Contact Angle?Dynamic Contact Angle?
Advancing Contact Angle;Captive method ?
Receding Contact Angle;
Syringe
Water
Receding Contact Angle
θ
Liquid
Vapor
Solid
Solid
The contact angle while fluid is drawn away from the solid
Dynamic Contact Angle?Dynamic Contact Angle?
r
a
Maximum = advancing C.A
Minimum = receding C.A
Dynamic Contact Angle?Dynamic Contact Angle?Tilt method ?
What is Hysterisis ?What is Hysterisis ?
• Coverage • Roughness • Chemical Contamination• Heterogeneity of solid surface
Hysteresis (H) = Adv C.A - Rec C.A.Heterogeneous Surfaces Based on the Model of Johnson and Dettre
Information of;
Hydro-Philic CA data
ImageXP Software for CAImageXP Software for CA
Hydrophobic CA data
ImageXP Software for CAImageXP Software for CA
Pendent drop for Surface tension
ImageXP Software for CAImageXP Software for CA
Time based Contact angle
ImageXP Software for CAImageXP Software for CA
Reference data
ImageXP Software for CAImageXP Software for CASolid Surface Energy
Methods
ABS
LWSS
2222
222)cos1( lSlSLWl
LWSl
3333
222)cos1( lSlSLWl
LWSl
ImageXP Software for CAImageXP Software for CA
pl
pS
dl
dSl 111
22)cos1(
pl
pS
dl
dSl 222
22)cos1(
pS
dSS
Geometric Method( Two Liquids (Polar/Non-polar)
Lewis-Acid methods(three Liquids)
ImageXP Software for CAImageXP Software for CAWork of Adhesion: Thermodynamic Property of Two-phase system in Molecular interfacial contact
L
S
i
S
AdhesionWork of adhesion:
WA =SV + LV - SL = LV (1 + cos )
S
S
Cohesion
Work of Cohesion:
Wc = 2S
L
S > 0, complete wetting
S < 0,partial wetting
S.C = SV - (LV + SL)
SL
(S.C) = free energy difference between solid, directly in contact with the vapour and a solid covered by a flat, thick liquid layer
LV
ImageXP Software for CAImageXP Software for CA
SV
ImageXP Software for CAImageXP Software for CADynamic Contact angle
Surface Tension Analyzer
F
A
This method involves the determination of the force to detach a ring from the surface of liquid.
RπF
γ2×2
=
= Liquid Surface TensionR= Radius of ring
F = Balance Force
= F/p= Liquid Surface TensionF= balance forcep = Wetted perimeter
How is a SurfaceTension Test performed?
1. Liquid Up2. Liquid Attaches /advancing
Interface3. Back to surface4. Liquid Detaches 5. Read the Surface Tension
The world leader in surface chemistry
Surface Electro Optics
Để biết thêm chi tiết,Vui lòng liên hệ Minh ThưTel: 0933434727Email: [email protected]