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You are now at www.wernerblank.com
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0 20 40 60 80 100 NONVOLATILE, %
OIL PAINT
ALKYD
LACQUER
ACRYLIC X-LINKED
PE X-LINKED
HS AUTOMOTIVE
HS INDUSTRIAL
NONVOLATILE OF COATINGS
SL2319
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0
1000
2000
3000
4000
5000 M
illio
n lb
s.
1996 2001 Year
Other
Chlorinated
Glycols
Glycolether & acetate
Esters
Ketones
Alcohol
Aromatic
Aliphatic
Coating SolventsUSA
SL2300
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0
1000
2000
3000
4000
5000 M
illio
n lb
s.
1996 2001 Year
OEM ArchitecturalSpecial Purpose Thinner, Cleaners, Export
Coatings SolventsEnd Use
SL2301
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0
200
400
600
800
1000
1200 M
illio
n Lb
s.
YEAR 1996
Machinery
Transportation
General metal
Magnet Wire
Magnetic media
Release coating
Coil coating
Automotive
Metal container
Wood furniture
Solvents Coatings OEM
SL2302
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0
200
400
600
800
1000 M
illio
n Lb
s.
YEAR 1996
MISC
Interior WB
Exterior WB
Interior SB
Exterior SB
Solvents Coatings Architectural
SL2304
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0
200
400
600
800
1000
1200 M
illio
n Lb
s.
YEAR 1996
Misc.
Fire Retardant
Deck and waterproofing
Marine
Traffic paint
Maintenance
Aerosol
Auto refinishing
Roof
Solvents Coatings Special Purpose
SL2305
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APPLICATION OF HIGH SOLIDS
METHOD
BRUSHROLLERSPRAYDIP
VISCOSITY
RHEOLOGYSHEAR RATESAGGINGLEVELINGVITRIFICATION
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1E-3
1E-2
1E-1
1E0
1E1
1E2
1E3
1E4
1E5
1E6
SHEA
R R
ATE,
(SEC
-1)
MIXDIS
PUM DIPFLO
SPRROL
BRU SAGLEV
SL2320
PREP. APPLICATION
FILM
SHEAR RATE DURING COATING OPERATIONS
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DIFFERENCEREGULAR-HS-WATER
REGULAR HIGHSOLIDS
WATER
MW 1500-5000 300-1200 +1500VISCOSITY 100 P, ºC 50-120 10-50 50
OH # 50-100 120-300 0-100
COOH # <10 <10 20-100
SOLUBILITYPARAMETER p
LOW MEDIUM HIGH
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PROBLEM AREAS HIGH SOLIDS
VISCOSITY SOLIDSRHEOLOGY SAGGING
ORANGE PSURFACE TENSION CRATER
CRAWLINGBERNARD
STABILITY REACTIVITYDURABILITY NETWORK
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-1
-0.5
0
0.5
1
1.5
2
2.5
3
VISC
OSI
TY (l
og P
OIS
E)
5 10 15 20 25 30 SQUARE ROOT NUMBER AVERAGE CHAIN LENGT
VISCOSITY MEASURED VISCOSITY CALCULATE
VISCOSITY vs. CHAIN LENGTHDECAMETHYLENE ADIPATE POLYESTER
SL2307
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1.5
2
2.5
3
3.5
VISC
OSI
TY (l
og P
OIS
E)
0 50 100 150 200 TIME IN MINUTES at 109°C
CALCULATED MEASURED DATA POINTS
VISCOSITY OF POLYESTER BLEND
SL2308
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1E-1
1E0
1E1
1E2
1E3
1E4
1E5
VISC
OSI
TY, P
OIS
E
0 20 40 60 80 100 TEMPERATURE, °C
VISCOSITY as a FUNCTION OF Tg,WLF EQUATION
27 7
-13- 33- 53- 73
SL2309
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log. ( ). ( )
µ = −−
+ −13
17 44516
T TgT Tg
WLF EQUATION
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1E1
1E2
1E3
1E4
1E5
VISC
OSI
TY, C
PS
0 500 1000 1500 2000 2500 3000 3500 MW WEIGHT AVERAGE
POLYMER A Tg=190°K POLYMER B Tg=250°K
VISCOSITY-MOLECULAR WEIGHT 65°CLOG(VISC)= A + C*SQRT(Z)
SL2310
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VISCOSITY OF POLYMER SOLUTIONS
s pTg Tg c Ws= − *
1 1
1
2
2
1 2
sTg
WTg
WTg W W K= + + ∗ ∗
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1E-1
1E0
1E1
1E2
1E3
1E4
VISC
OSI
TY 2
5°C
, PO
ISE
0 0.1 0.2 0.3 0.4 WEIGHT FRACTION OF SOLVENT
ACETONE MEKMIBK CYCLOHEXANONE
VISCOSITY OF K-FLEX UD-320IN KETONES
SL2314
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1E-1
1E0
1E1
1E2
1E3
1E4
VISC
OSI
TY 2
5°C
, PO
ISE
0 0.1 0.2 0.3 0.4 WEIGHT FRACTION OF SOLVENT
METHANOL ETHANOL i-PROPANOL n-BUTANOL
VISCOSITY OF K-FLEX UD-320IN ALCOHOLS
SL2315
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1E-1
1E0
1E1
1E2
1E3
1E4
VISC
OSI
TY 2
5°C
, PO
ISE
0 0.1 0.2 0.3 0.4 WEIGHT FRACTION OF SOLVENT
ACETONE METHANOL BU ACETATE WATER
VISCOSITY OF K-FLEX UD-320IN SOLVENTS
SL2316
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-100
-50
0
50
100
150
200
250
300
Tg in
K
0 500 1000 1500 2000 2500 MOLECULAR WEIGHT
K=25000
K=50000
K=100000
25000 50000 100000
Tg vs MOLECULAR WEIGHTOF OLIGOMERS
SL2311
Tgo = Tg -Tgo = Tg - K
Mn
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Glass Transition Temperature of Polyester Resins °KDicarboxylic Diol Tg exp Tg calc exp-calcSuccinic 1,2-ethylene 272 255 17Succinic 1,4-butane 233 239 -6Succinic 1,6-hexane 220 230 -10Succinic 1,7-heptane 228 226 2Adipic 1,10-dodecane 217 215 2Sebacic 1,4-butane 216 219 -3Sebacic 1,4-butene 233 225 8Sebacic 1,4-butyne 246 231 15Terephthalic 1,2-ethylene 345 346 -1Terephthalic 1,4-butane 307 302 5Terephthalic 1,6-hexane 264 277 -13Terephthalic 1,10-dodecane 268 251 17Terephthalic bisphenol A 478 465 13Isophthalic 1,2-ethylene 324 346 -22
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1E0
1E1
1E2
1E3
1E4
VISC
OSI
TY, p
oise
0 0.1 0.2 0.3 0.4 PIGMENT VOLUME CONCENTRATION OF PAINT
PAINT PAINT FLOCC.PAINT ADSORB. PAINT ADSORB. FLOCC
MOONEY EQUATIONTiO2 PIGMENTED COATING
SL2318
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0 10 20 30 40 50 dyn/cm
PE 2 FUNCTPE 3 FUNCPE 4 FUNC
PE HSACRYL COOH
BuMAEMA
HMMMTBTMMHBMM
POLY
MER
SURFACE TENSION
SL2092
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CRAWLINGCRAWLING
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CRATERSCRATERS
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WETTINGWETTING
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BERNARD CELLBERNARD CELL
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-1
0
1
2
3
4
VISC
OSI
TY L
OG
PO
ISE
0 2 4 6 8 10 BAKING TIME, MINUTES
PTSA NO SCA PTSA SCA PTSA BL1 SCA PTSA BL2 SCA
SL2319
SAGG CONTROL AGENT
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SAG TESTSAG TEST
SL2100
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!! ATTAPULGITEATTAPULGITE!! SMECTITESMECTITE!! ASSOCIATIVEASSOCIATIVE!! SILICASILICA!! TITANATETITANATE!! POLYESTERPOLYESTER!! POLYACRYLATEPOLYACRYLATE
!! POLYOLEFINPOLYOLEFIN!! ORGANO CLAYORGANO CLAY!! ORGANO SULFONATE ORGANO SULFONATE !! POLYAMIDE POLYAMIDE !! CASTOR DERIVATIVECASTOR DERIVATIVE!! POLYUREAPOLYUREA!! CATIONIC OLIGOMERCATIONIC OLIGOMER
RHEOLOGY MODIFIERRHEOLOGY MODIFIER
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FACTORS INFLUENCING VISCOSITYPOLYMER
GLASS TRANSITION TEMPERATURE , TgFUNCTIONAL GROUP CONTENT
TEMPERATURE
SOLVENTSOLVENT POLYMER INTERACTION
SOL VENT VISCOSITYSOLVENT CONTENT
CROSSLINKER
MOLECULAR WEIGHT & DISTRIBUTION
ADDITION VERSUS CONDENSATION
PIGMENTPARTILE SIZE AND SHAPE
LOADING AND DISPERSION
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NR-NCO
O
N
N OO
R-NCO
OCN-R
O||
OCN-R-NH-C-N-R-NCO|
O=C-R-NCO
O||
OCN-R-N-C-O-R-NCO|
O=C-R-NCO
N-R-NCOOCN-R-N
O||
||O
ISOCYANATE CROSSLINKER
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N
N
N
N
N NCH2-O-CH3
CH2-O-CH3
CH2-O-CH3
CH3-O-CH2
CH3-O-CH2
CH3-O-CH2
HMMM
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1
2
3
4 VI
SCO
SITY
(log
PO
ISE)
0 50 100 150 200 TIME IN MINUTES at 109°C
CALCULATED MEASURED DATA POINTS
VISCOSITY OF POLYESTER BLEND
SL2308
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-1
-0.5
0
0.5
1
1.5
2
2.5
3
VISC
OSI
TY (l
og P
OIS
E)
5 10 15 20 25 30 SQUARE ROOT NUMBER AVERAGE CHAIN LENGT
VISCOSITY MEASURED VISCOSITY CALCULATE
VISCOSITY vs. CHAIN LENGTHDECAMETHYLENE ADIPATE POLYESTER
SL2307
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1E-1
1E0
1E1
1E2
1E3
1E4
VISC
OSI
TY, P
OIS
E
0 20 40 60 80 100 TEMPERATURE, °C
VISCOSITY as a FUNCTION OF Tg,WLF EQUATION
27 7
-13- 33- 53
- 73
SL2309
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1E1
1E2
1E3
1E4
1E5
VISC
OSI
TY, C
PS
0 500 1000 1500 2000 2500 3000 3500 MW WEIGHT AVERAGE
POLYMER A Tg=190°K POLYMER B Tg=250°K
VISCOSITY-MOLECULAR WEIGHT 65°CLOG(VISC)= A + C*SQRT(Z)
SL2310
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Tg in
K
0 500 1000 1500 2000 2500 MOLECULAR WEIGHT
K=25000
K=50000
K=100000
Tg vs MOLECULAR WEIGHTOF OLIGOMERS
Tgo = Tg - K
Mn
K IS A CONSTANTS .
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VISC
OSI
TY (P
OIS
E)
0 1 2 3 4 5 HYDROXYL mol/1000
VISCOSITY vs. HYDROXYL CONTENTNPA/NPG/TMP/DIBASIC ACID
SL2317