RHOPLEX™ HG-706 Acrylic Emulsion
Description
Featuring New Innovative Crosslinking Technology for VOC-Compliant Aqueous Gloss and Semigloss
Enamels
State-of-the-art technology is the backbone of RHOPLEX HG-706 all-acrylic emulsion. This new binder is designed
for interior and exterior VOC-compliant gloss and semigloss enamels, allowing formulators to produce highperformance coatings at 50 g/l VOC. RHOPLEX HG-706 emulsion takes advantage of innovative technology to
improve enamel performance over that of conventional latex polymers. The combination of an all-acrylic backbone
and ambient-cure crosslinking technology provides superior performance in formulations ranging from 50 to 150
g/l VOC. Enamels based on RHOPLEX HG-706 emulsion provide excellent adhesion, block, and stain removal.
Benefits of Aqueous Gloss Enamels Based on RHOPLEX HG-706 Emulsion
•
•
•
•
•
•
•
•
•
State-of-the-art technology for higher performance
100% acrylic ambient crosslinking composition
Excellent gloss potential
Excellent early and ultimate block resistance
Excellent alkyd adhesion
Outstanding stain removal
Very good resistance to household chemicals, grease, and hand creams
Expanded formulation latitude to meet new VOC regulations (50 g/l to 150 g/l VOC)
Excellent slurry compatibility
Typical Properties
These properties are typical but do not constitute specifications.
Appearance
Milky white liquid
Solids, %
45
Brookfield Viscosity, cP (#2 spindle, 60 rpm)
500 max.
pH
8.60 to 9.10
Density, lbs/US gal
8.84
Bulking Value of Dry Solids, US gal/lb
0.1045
Minimum Film Formation Temperature
<5°C
Ambient Temperature Crosslinking
RHOPLEX HG-706 emulsion offers the benefits of ambient temperature crosslinking chemistry in a one-pack
system. It will oxidatively cure after the coalescing of latex particles to form a crosslinked film with improved
hardness, toughness, and resistance properties.
Aqueous gloss enamels based on RHOPLEX HG-706 emulsion will have similar drying characteristics to
conventional latex paints. They exhibit very good early properties and will continue to improve during the curing
process which may require 2-4 weeks for some properties to fully develop.
Unlike the traditional oxidative cure of alkyd-based gloss enamels, RHOPLEX HG-706 emulsion will not continue to
cure and embrittle over time. The final result is a coating with the unique combination of flexibility and toughness.
The performance of RHOPLEX HG-706 emulsion is compared to that of two competitive low VOC gloss binders in
the following table.
Performance Profile of RHOPLEX HG-706 Emulsion
(19.4% PVC, 35% Volume Solids)
Property
Coalescent %
VOC
Gloss 20°/60°
Leneta Flow
Early Wet Alkyd Adhesion
(6 week aged panel)
RHOPLEX
HG-706
Emulsion
Competitive Low VOC
Gloss Binder #1
Competitive Low VOC
Gloss Binder #2
3
0
2
50
50
50
62/82
56/80
52/81
9
10
10
Excellent
Excellent
Very Poor
Stain Removal, %
Hydrophilic
Hydrophobic
72% Good
80% Good
18% Poor
80% Good
70% Good
88% Good
Block
1-day,
1-day,
7-day,
7-day,
Excellent
Very Good
Excellent
Excellent
Poor
Poor
Good
Good
Poor
Poor
Poor
Poor
room temp.
high temp.
room temp.
high temp.
Household Chemical
Resistance
Oil Softening
Print Resistance
Excellent
Good
Very Poor
Very Good
Poor
Fair
Good
Poor
Good
The photo above demonstrates the superior block resistance of RHOPLEX HG-706 emulsion in a 7-day, hightemperature block test. The gloss enamel based on a competitive binder clearly shows tearing of the paint film,
while the gloss enamel based on RHOPLEX HG-706 retains its integrity.
The excellent household chemical resistance of gloss enamels based on RHOPLEX HG-706 emulsion is
demonstrated in the photo above. The gloss enamel based on a competitive polymer degrades when wiped with a
home cleaner, while the enamel based on RHOPLEX HG-706 stands up to the 200 cleaning cycles.
Formulating Guidelines
Some additives and chemicals can cause precrosslinking of the RHOPLEX HG-706 latex polymer, resulting in a
poorly coalesced film when the paint is applied. Formaldehyde or formaldehyde-releasing preservatives will cause
precrosslinking and are not recommended for use with RHOPLEX HG-706 emulsion. Aldehydes from the hydrolysis
of vinyl acrylic polymers also cause precrosslinking and blends of RHOPLEX HG-706 and vinyl acrylic latexes are
not recommended.
Rheology Modifiers
ACRYSOL™ RM-2020NPR, ACRYSOL RM-5000, and ACRYSOL RM-8W or ACRYSOL SCT-275 urethane associative
thickeners, when used with RHOPLEX HG-706 emulsion, give excellent rheology. ACRYSOL RM-2020NPR and
ACRYSOL RM-5000 rheology modifiers are solvent-free polyurethanes that serve as the primary thickener and are
used to achieve the desired ICI viscosity. ACRYSOL SCT-275 and ACRYSOL RM-8W rheology modifiers act as cothickeners and can be used to adjust KU viscosity efficiently with only a small increase in ICI viscosity.
HASE alkali swellable associative thickeners, such as ACRYSOL RM-5, ACRYSOL RM-6, and ACRYSOL TT-935, can
also be used with RHOPLEX RM-706 emulsion to give high-gloss paints excellent brushed flow, sag, and color
acceptance. ACRYSOL RM-5 rheology modifier can be used to adjust the paint to the desired ICI viscosity and a
small amount of ACRYSOL TT-935 rheology modifier can then be used to adjust the KU viscosity. HASE thickeners
should be premixed 1:1 with water before addition to the paint for best incorporation.
Cellulosic thickeners reduce flow and gloss when used with a small particle size emulsion and are not
recommended as the primary thickener with RHOPLEX HG-706 emulsion polymer.
Dispersants
TAMOL™ 731A, TAMOL 2001, TAMOL 1124, and TAMOL 165A gloss dispersants are recommended for use with
RHOPLEX HG-706 emulsion. In general, TAMOL 731A, TAMOL 2001, and TAMOL 165A perform best in HEUR
thickened systems, while TAMOL 1124 dispersant is recommended with HASE-type thickeners. In HASE thickened
slurry paints which have TAMOL 1124 added to RHOPLEX HG-706 instead of to the slurry, the TAMOL 1124 should
be premixed with water. TAMOL 731, TAMOL 165, and TAMOL 2001 dispersants do not have to be premixed with
water if they are to be added to RHOPLEX HG-706 emulsion.
Coalescents and Co-solvents
RHOPLEX HG-706 emulsion has a lower coalescent demand than traditional latex gloss polymers. Texanol™ is
recommended at a starting point of 2% - 4% on binder solids. Texanol levels of 3% have been found to give
excellent low-temperature coalescence at 35 degrees F. Formulations with more than 4% Texanol may have
reduced freeze/thaw resistance. Lower levels of coalescent can be used in deep and neutral base formulations
since the cosolvents and surfactants in the universal colorants contribute to coalescence.
Propylene glycol and glycol ethers, such as diethylene glycol monobutyl ether, can cause localized flocculation and
should be premixed with water if they are to be added to the paint after the RHOPLEX HG-706. These solvents can
be added to the grind step without a premix if the RHOPLEX HG-706 is to be added later in the formulation.
Texanol will not cause localized flocculation of the RHOPLEX HG-706 emulsion and does not need to be premixed
with water.
Pigments
The selection of titanium dioxide is an important factor in achieving high-gloss in enamels. An advantage of
RHOPLEX HG-706 emulsion is its compatibility with a wide variety of slurry grades. To date, Rohm and Haas has
evaluated several manufacturers’ universal slurry and dry titanium dioxides—DuPont Ti-Pure™ R-706 and 746,
Kronos 4311, and Millennium 596—and has found no difference in performance. Rohm and Haas expects that
other manufacturers’ universal titanium dioxides will deliver similar performance. Note that dispersant levels need
to be optimized for various grades of titanium dioxide.
pH Adjustment
Neutralizing paint with aqueous ammonia to a pH range of 8.8 to 9.2 is recommended for best formulation
stability.
Defoamers
It is very important to select the proper defoamer when formulating high-gloss systems. Tiny bubbles or craters,
which may or may not be visible in flat paint formulations, can become very noticeable in high-gloss systems. Care
should be exercised when evaluating and choosing a defoamer, since some defoamers can reduce the gloss and
adversely affect color acceptance and surface appearance. Byk™-024, Byk-022, Cognis Foamstar™ A-36, and
Tego Foamex™ 810 are recommended as grind or letdown defoamers with formulations based on RHOPLEX HG706 emulsion. Drewplus™ TS-4481 is an effective grind defoamer.
Preservatives and Mildewcides
KATHON™ LX 1.5% microbicide is an effective preservative that will protect paint formulations based on RHOPLEX
HG-706 emulsion. The recommended use level is 25 ppm or 1.65 pounds per 1,000 pounds of paint. When
formulating with RHOPLEX HG-706 emulsion, this microbicide should be added to the grind or premixed with water
if it is to be added to the letdown. Preservative efficacy should be evaluated once a final formulation has been
selected.
Formaldehyde or formaldehyde-releasing preservatives will adversely affect the performance of paints based on
RHOPLEX HG-706 emulsion and are not recommended for use with this polymer. When selecting a preservative,
check with the raw material supplier to ensure that formaldehyde or formaldehyde-releasers are not present.
IPBC mildewcides, such as ROCIMA™ 20 and ROCIMA 40, are recommended for use with RHOPLEX HG-706
emulsion at a level of 1.6 lbs IPBC solids per 100 gallons of paint. Since these mildewcides contain solvent, the
cosolvent level in the formulation will have to be reduced to keep the formulation VOC to 50 grams per liter. Low
VOC IPBC mildewcides, which do not contain a volatile solvent, have also been found to work well with RHOPLEX
HG-706 emulsion.
Surfactants
Nonionic surfactants, such as Triton™ X-100, can be used to give freeze/thaw resistance in HEUR thickened
formulations. Higher HLB surfactants, such as Triton X-405, are more effective in HASE thickened formulations.
When these surfactants are added to the letdown after RHOPLEX HG-706 emulsion, they should be premixed with
warm water and glycol (if available).
50 VOC Interior / Exterior Gloss Neutral Base
Formulation G-706-3
Materials
Pounds
Gallons
672.6
1.0
83.5
6.0
76.0
0.1
10.0
0.8
Premix
Propylene Glycol
Triton X-100
Premix Subtotal
8.0
4.4
12.4
0.9
0.5
1.4
KATHON LX 1.5%
Water
Ammonia (28%)
ACRYSOL RM-5
ACRYSOL RM-5000
ACRYSOL SCT-275
Drewplus TS-4481
Totals
1.5
59.5
1.0
13.3
20.0
3.0
1.0
874.8
0.2
7.1
0.1
1.5
2.3
0.3
0.1
100.0
RHOPLEX HG-706
Byk-024
Water
Texanol
VOC
Density
Coalescent
Levels Without Additives
Volume Solids
Levels With Additives
Weight Solids
Other Measurements
pH
KU
50 g/l
8.75 lb/gal
2.0%
31.7%
36.3%
8.8 - 9.2
105 KU
50 VOC HEUR Thickened Interior/ Exterior Gloss Paint
Formulation G-706-4
Materials
RHOPLEX HG-706
Byk-024
Premix
Propylene Glycol
Triton X-100
Water
KATHON LX 1.5%
TAMOL 2001
Ammonia (28%)
Premix Subtotal
Ti-Pure R-746
Water
Texanol
ACRYSOL RM-2020 NPR
ACRYSOL SCT-275 (Adjust to 85 KU)
Byk-024
Totals
VOC
Dispersant
Density
Coalescent
43.3 g/l
0.4%
10.32 lb/gal
3.0%
Levels Without Additives
PVC
Volume Solids
19.2%
34.0%
Levels With Additives
Weight Solids
47.9%
Other Measurements
pH
KU
ICI
60 Degree Gloss
8.8 - 9.2
85 +/- 2 KU
1.3 p
83
Pounds
Gallons
584.1
1.0
66.0
0.1
4.3
4.4
16.7
1.5
2.0
1.0
30.0
0.5
0.5
2.0
0.2
0.2
0.1
3.5
285.0
89.8
7.9
30.0
3.0
2.0
1032.9
14.7
10.8
1.0
3.5
0.2
0.2
100.0
50 VOC Interior / Exterior Gloss Paint
Formulation G-706-8
Materials
Pounds
Gallons
Grind
Water
KATHON LX 1.5%
TAMOL 2001
Ammonia (28%)
Triton CF-10
Byk-022
Ti-Pure R-706
66.8
1.5
5.0
1.0
1.0
1.0
220.0
8.0
0.2
0.6
0.1
0.1
0.1
6.6
LetDown
RHOPLEX HG-706
Texanol
ACRYSOL RM-2020 NPR
Water
584.1
7.9
30.0
92.0
66.0
1.0
3.4
11.0
4.4
6.0
8.3
18.8
0.5
0.7
1.0
2.2
3.5
2.0
1034.6
0.4
0.2
100.0
Premix
Triton X-100
Propylene Glycol
Water
Premix Subtotal
ACRYSOL SCT-275 (Adjust to 85 KU)
Byk-024
Totals
VOC
Dispersant
Density
Coalescent
46.9 g/l
1.0%
10.35 lb/gal
3.0%
Levels Without Additives
PVC
Volume Solids
19.3%
34.1%
Levels With Additives
Weight Solids
48.3%
Other Measurements
pH
20/60 Degree Gloss
Initial KU
Equilibrated KU
ICI
8.8 - 9.2
58/80
85
95
1.4 p
50 VOC Interior / Exterior Semigloss Paint
Formulation SG-706-2
Materials
Grind
Water
KATHON LX 1.5%
Natrosol 250 MBR (100%)
TAMOL 2001
Triton CF-10
Byk-024
Ammonia (28%)
Ti-Pure R-706
Minex 10
LetDown
Triton X-100
Fungitrol 720
RHOPLEX HG-706
ROPAQUE Ultra
Texanol
Propylene Glycol
Water
ACRYSOL RM-2020 NPR
ACRYSOL SCT-275 (Adjust to 92 KU)
Byk-024
Totals
VOC
Dispersant
Density
Coalescent
43 g/l
1.5%
10.49 lb/gal
3.2%
Levels Without Additives
PVC
Volume Solids
27.5%
34.5%
Levels With Additives
Weight Solids
48.9%
Other Measurements
pH
KU
ICI
60 Degree Gloss
8.8 - 9.2
92 +/- 2 KU
1.2 p
65
Pounds
Gallons
70.9
1.0
0.5
8.9
1.0
1.0
1.5
225.0
20.0
8.5
0.1
0.1
1.0
0.1
0.1
0.2
6.7
0.9
4.5
8.0
531.0
30.0
7.9
4.3
107.0
20.0
4.0
3.0
1049.5
0.5
0.8
60.0
3.5
1.0
0.5
12.8
2.3
0.5
0.4
100.0
Suppliers of Raw Materials
Material
Function
Supplier
ACRYSOL RM-5
Rheology Modifier
Rohm and Haas
ACRYSOL RM-6
Rheology Modifier
Rohm and Haas
ACRYSOL TT-935
Rheology Modifier
Rohm and Haas
ACRYSOL RM-2020NPR
Rheology Modifier
Rohm and Haas
ACRYSOL RM-8W
Rheology Modifier
Rohm and Haas
ACRYSOL SCT-275
Rheology Modifier
Rohm and Haas
Byk-022
Defoamer
Byk-Chemie
Byk-024
Defoamer
Byk-Chemie
Drewplus TS-4481
Defoamer
Ashland
Fungitrol 720
Biocide
ISP Corporation
KATHON LX 1.5%
Biocide
Rohm and Haas
Minex 10
Extender
Indusmin
Natrosol 250 MBR (100%)
Thickener
Aqualon
RCL-595
Titanium Dioxide
Millennium
ROCIMA 20
Biocide
Rohm and Haas
ROCIMA 40
Biocide
Rohm and Haas
RHOPLEX HG-706
Biocide
Rohm and Haas
ROPAQUE Ultra
Opaque Polymer
Rohm and Haas
TAMOL SG-1
Dispersant
Rohm and Haas
TAMOL 1124
Dispersant
Rohm and Haas
TAMOL 731A
Dispersant
Rohm and Haas
TAMOL 165A
Dispersant
Rohm and Haas
TAMOL 2001
Dispersant
Rohm and Haas
Texanol
Coalescent
Eastman
Ti-Pure R-706
Titanium Dioxide
DuPont
Ti-Pure R-746
Titanium Dioxide
DuPont
Triton CF-10
Surfactant
Dow
Triton X-405
Surfactant
Dow
Triton X-100
Surfactant
Dow
Material Safety Data Sheets
Rohm and Haas Material Safety Data Sheets (MSDS) contain pertinent information that you may need to protect
your employees and customers against any known health or safety hazards associated with our products.
Under OSHA Hazard Communication Standard, workers must have access to and understand MSDS on all
hazardous substances to which they are exposed. Thus, it is important that you provide appropriate training and
information to your employees and make sure they have available to them MSDS on any hazardous products in
their workplace.
Rohm and Haas Company sends MSDS for all its products, whether or not they are considered OSHA-hazardous, to
the “bill to” and/or “ship to” locations of all its customers upon initial shipment, including samples. If you do not
have access to one of these MSDS, please contact your Rohm and Haas representative for an additional copy.
Updated MSDS are sent upon revision to all customers of record. In addition, MSDS are sent annually to all
customers receiving products deemed hazardous under the Superfund Amendments and Reauthorization Act.
MSDS should be obtained from your suppliers of other materials recommended in this bulletin.
Rohm and Haas Company is a member of the American Chemistry Council (ACC) and is committed to ACC's
Responsible Care® Program.
ACRYSOL, KATHON, RHOPLEX, ROCIMA, ROPAQUE, and TAMOL are trademarks of Rohm and Haas Company, or of its subsidiaries or
affiliates and are intended to designate goods marketed in North and South America; the same goods may be marketed in other countries,
generally under other company trademark designations.
These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but without guarantee, as
conditions and methods of use of our products are beyond our control. We recommend that the prospective user determine the suitability of
our materials and suggestions before adopting them on a commercial scale.
Suggestions for uses of our products or the inclusion of descriptive material from patents and the citation of specific patents in this
publication should not be understood as recommending the use of our products in violation of any patent or as permission or license to use
any patents of the Rohm and Haas Company.
©Rohm and Haas, 2008
All rights reserved.
January 2006
81A542