Compliant Wood Finishes - Reichhold

Compliant Wood Finishes
(Solventborne/Waterborne Options)
Jamie Dziczkowski, Ph. D., Reichhold, USA

Overview
• Solventborne Compliant Options
– UROTUF F90-E3M-55
• Use of exempt solvent
• Capable of achieving 350 g/L
• Waterborne Compliant Options
– UROTUF F100-W-36
• Solvent free
• Many co-solvent options for formulation
– UROTUF F101-MPW-45
• High solids PUD
• Faster film build

VOC Regulations for Varnishes
Canada
350 g/l
AIM
350 g/l
SCAQMD
275 g/l
OTC
350 g/l

• Solventborne
Options for Compliancy
– Fatty acid modified
• Generic polymer structure OMU
CH 3
H O
O(O:C)NH
NH(C:O) O
n
O
O
= fatty acid residue

Solvent-based Option
• Exempt Solvent Options
BP, °C
FP, °F
ER (1, 2) 6.54
Density, #/gal
Acetone
57
-17
6.3
Methyl acetate
57
-9
6.2
7.77
Dimethyl carbonate
90
63
3.2
8.93
t-Butyl acetate
98
60
2.8
7.22
p-Chlorobenzo
trifluoride
139
109
0.9
11.17
Volatile methyl siloxane
172
131
0.2
7.92
(1) n-Butyl acetate = 1.0
(2) Mineral Spirits = 0.1

Solvent-based Option
• Exempt Solvent Choice
– Volatile Methyl Siloxane Solvent (VMS)
CH 3
Si - O
CH 3
n
n = 4
Octamethyl cyclotetrasiloxane

• UROTUF F90-E3M-55
– Resin Properties
Solvent-based Option
UROTUF F90
Polymer base oil
Exempt Solvent, %
Solids, %
SBO
11.0
54.6
Viscosity @25 C
cps
stokes
Color, Gardner
Density, #/gal
VOC, #/gal
VOC, g/l
263
2.75
4.4
7.598
2.92
350

Solvent-based Option
• UROTUF F90-E3M-55
– Varnish Constants
Manganese, ppm on solids
Calcium, ppm on solids
LA Mineral Spirits
Volatile methyl siloxane, %
200
200
29.1
23.3

Solvent-based Option
• UROTUF F90-E3M-55
– Varnish Wet Properties
Solids, % wt
Viscosity @25 C
G-H letter
stokes
Color, Gardner
Density, #/gal
VOC, #/gal
VOC, g/l
UROTUF F90
47.2
B
0.65
4.9
7.678
2.76
333
Non-Compliant
49.7
C
0.85
6.4
7.409
3.73
448

Solvent-based Option
• UROTUF F90-E3M-55
– Film Performance
Dry Hard, hr : min
Tackfree (500 g), hr : min
Sward Hardness
Pencil Hardness
Impact Resistance, in-lbs
Mandrel Bend, 1/8”
Abrasion Resistance, mg loss
UROTUF F90
5:00
6:30
24
HB
160 / 160
Pass
65
Non-Compliant
3:00
4:15
38
HB
160 / 160
Pass
53

Solvent-based Option
• UROTUF F90-E3M-55
– Film Performance (II)
Chemical Resistance, avg (1)
Solvent Resistance, dbl rubs
Ethanol
Isopropanol
Methyl ethyl ketone
Xylene
UROTUF F90
3.71
> 200
> 200
> 200
> 200
Non-Compliant
3.58
> 200
> 200
> 200
> 200
(1) Spot test, 24 chemicals, 24 hr exposure, rating 0-5 no effect

Solvent-based Option
• UROTUF F90-E3M-55
– Film Color Stability
Yellowing
Index
22
21
20
19
18
17
16
15
14
13
12
11
10
0 2 4 6 8
Time, wks
Non-Compliant UROTUF F90

• UROTUF F90-E3M-55
– Low Gloss
Solvent-based Option
100
Gloss
90
80
70
60
50
40
30
20
10
0
Semi-gloss
Satin
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Acematt 3300, % on RS
60 degree 20 degree

Solvent-based Option
• UROTUF F90-E3M
E3M-55, summary
– Based on renewable resource
– Comparable MW to conventional products
– Equal application viscosity
– Comparable film thickness
– High durability
– Excellent chemical resistance
– Color stability dependent on oil type
– Silica flatting agents are effective

Reichhold Options For Compliancy
• Waterborne
– Fatty Acid Modified Polyurethane Dispersion
• Generic Polymer Structure, anionic type
RNH(C:O)O O (C:O)NH RNH(C:O) R' (C:O)NH RNH(C:O) NHR"'NH (C:O)NH RNH(C:O)
Z
x
= fatty acid residue

• UROTUF F100-W-36
Water-based Options
– Cosolvent Resin Wet Options Properties
Cosolvent
Cosolvent DPM
Cosolvent, TPM %
Solids, PnP %
pH PnB
Viscosity, i-Butanol cps
Density, #/gal
VOC, #/gal
VOC, g/l
BP, °C
180
243
149
171
108
(1)
Evaporation Rate, BAc = 1.00
(2)
Time to develop mar free film, days
ER UROTUF Viscosity, F100
UROTUF cps
Mar F97
Resistance 0.020 None 58 NMP 2
0.003 0.0 56 5.3 1
0.210 35.1 129 33.2 4
0.090 8.5 324 8.0 2
0.600 114 284 96 2
8.51
8.54
0.41
1.54
49
185

• UROTUF F100-W-36
– Varnish Formula
Water-based Options
UROTUF F100
UROTUF F97
Weight
Volume
Weight
Volume
Resin
723.960
85.07
756.595
88.59
Water, DI
31.314
3.76
31.512
3.78
Mn (9%) Hydrocure III
1.253
0.15
1.260
0.15
Water, DI
38.084
4.57
61.048
7.33
Dowanol DPM
38.084
4.82
0.000
0.00
BYK 345
1.253
0.14
1.260
0.15
Water, DI
12.365
1.48
0.000
0.00
Total
846.311
100.00
851.677
100.00

• UROTUF F100-W-36
Water-based Options
– Varnish Wet Properties
Cosolvent
Cosolvent %
Manganese, ppm
Solids, %
pH
Viscosity, cps
Density, #/gal
VOC, #/gal
VOC, g/l
UROTUF F100
DPM
4.5
450
30.3
8.3
29
8.52
1.46
175
UROTUF F97
NMP
4.7
450
30.2
8.1
28
8.50
1.48
177

• UROTUF F100-W-36
– Film Performance
Water-based Options
Tack Free (500 g), hr:min
Sward Hardness
Pencil Hardness
Impact Resistance, in-lbs
Mandrel Bend, 1/8”
Mar Resistance, time to achieve
Gloss, 60 / 20 degree
UROTUF F100
0:45
36
H
160 / 160
Pass
1
90 / 68
UROTUF F97
1:30
38
H
160 / 160
Pass
1
90 / 74

• UROTUF F100-W-36
Water-based Options
– Film Performance (II)
UROTUF F100
UROTUF F97
Abrasion Resistance, mg loss 55
50
Chemical Resistance, avg (1) 3.88
3.96
Solvent Resistance, db rubs
Ethanol
Xylene
Isopropanol
Methyl ethyl ketone
> 200
> 200
> 200
> 200
> 200
> 200
> 200
> 200
(1) Spot test, 24 chemicals, 4 hr exposure, rating 0 – 5 no effect

Water-based Options
• UROTUF F100-W-36, summary
– Based on renewable resource
– Self crosslinking
– NMP / solvent free
– Multiple cosolvent options
– Low VOC
– Excellent storage stability
– Fast dry
– High durability
– Excellent chemical resistance

• UROTUF F101-MPW-45
– Resin Properties
Water-based Options
Cosolvent
Cosolvent, %
Solids, %
pH
Viscosity, cps
Density, #/gal
VOC, #/gal
VOC, g/l
UROTUF F101
NMP
5.7
46.0
7.45
608
8.538
1.18
142
UROTUF F97
NMP
5.3
33.2
8.0
96
8.54
1.54
185

Water-based Options
• UROTUF F101-MWP-45
– Varnish Formula
UROTUF F101
UROTUF F97
Weight
Volume
Weight
Volume
Resin
212.4
90.92
756.595
88.59
Water, DI
19.8
8.72
31.512
3.78
Mn (9%) Hydrocure III
0.49
0.21
1.260
0.15
Water, DI
---
---
61.048
7.33
BYK 345
0.35
0.15
1.260
0.15
Total
233.04
100.00
851.677
100.00

Water-based Options
• UROTUF F101-MPW-45
– Varnish Wet Properties
Cosolvent
Cosolvent, %
Manganese, ppm
Solids, %
pH
Viscosity, cps
Density, #/gal
VOC, #/gal
VOC, g/l
UROTUF F101
NMP
5.2
450
42.5
7.42
112
8.559
1.14
136
UROTUF F97
NMP
4.7
450
30.2
8.1
28
8.50
1.48
177

Water-based Options
• UROTUF F101-MPW-45
– Film Performance
Tack Free (500 g), hr:min
Sward Hardness
Pencil Hardness
Impact Resistance, in-lbs
Mandrel Bend, 1/8”
Mar Resistance, time to achieve
Gloss, 60 / 20 degree
UROTUF F101
1:05
34
HB
160 / 160
Pass
1
93 / 84
UROTUF F97
1:30
38
H
160 / 160
Pass
1
90 / 74

Water-based Options
• UROTUF F101-MPW-45
– Film Performance (II)
UROTUF F101
UROTUF F97
Abrasion Resistance, mg loss 66
50
Chemical Resistance, avg (1) 3.75
3.96
Solvent Resistance, db rubs
Ethanol
Xylene
Isopropanol
Methyl ethyl ketone
> 200
> 200
> 200
> 200
> 200
> 200
> 200
> 200
(1) Spot test, 24 chemicals, 4 hr exposure, rating 0 – 5 no effect

• UROTUF F101, summary
– Based on renewable resource
– Self crosslinking
– High Solids
– Low VOC (< 150 g/l)
– Excellent storage stability
– Fast dry
– High durability
Water-based Options
– Excellent chemical resistance

Summary
• Reichhold has multiple solutions to the
latest VOC regulations including both
solvent-borne and water-borne urethane
technologies
Questions