AU2019100711A4 - Solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability - Google Patents
Solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability Download PDFInfo
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- AU2019100711A4 AU2019100711A4 AU2019100711A AU2019100711A AU2019100711A4 AU 2019100711 A4 AU2019100711 A4 AU 2019100711A4 AU 2019100711 A AU2019100711 A AU 2019100711A AU 2019100711 A AU2019100711 A AU 2019100711A AU 2019100711 A4 AU2019100711 A4 AU 2019100711A4
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
Abstract The present invention relates to a solvent as an open time/wet edge time extenders and anti skinning/freeze thaw stability that comprising: 5 a) organic compound selected from at least one glycerol or glycerol derivatives in the amount of 10 - 90 % by volume of said solvent; and b) organic compounds selected from at least 2 glycols having 1 - 6 carbon atoms in the amount of 10 - 90 % by volume of said solvent. Gloss (GLOSS 60°) -a- Comparative sample A 100.0 -- Comparative sample B --- Comparative sample C 80.0 -o- Comparative sample D -1- Sample according to the invention 1 -x- Sample according to the invention 2 + Sample according to the invention 3 Day0 Day 1 Day 3 Day 5 Figure 1 Viscosity -a- Comparative sample A (VISCOSITY, CP) -- Comparative sample B 10,000 -+- Comparative sample C --- Comparative sample D 8,000 | Sample according to the invention 1 -x- Sample according to the invention 2 -m- Sample according to the invention 3 6,000 4,000 2,000 Day0 Day 1 Day 3 Day 5 Figure 2
Description
The present invention relates to a solvent as an open time/wet edge time extenders and antiskinning/freeze thaw stability that comprising:
a) organic compound selected from at least one glycerol or glycerol derivatives in the amount of 10 - 90 % by volume of said solvent; and
b) organic compounds selected from at least 2 glycols having 1-6 carbon atoms in the amount of 10 - 90 % by volume of said solvent.
1/3
2019100711 28 Jun 2019
Gloss {GLOSS 60°)
100.0
80.0 —δ- Comparative sample A —Comparative sample B —Comparative sample C —o- Comparative sample D —I— Sample according to the invention 1
Figure 1
Viscosity
Comparative sample A (VISCOSITY, CPj
Comparative sample B
10,000
Comparative sample C
Comparative sample D —I— Sample according to the invention 1 8,000
Figure 2
2019100711 28 Jun 2019
Solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability
Field of the Invention
Chemistry relates to the solvent as an open time/wet edge time extenders and antiskinning/freeze thaw stability and the use of said solvent.
Background of the Invention
Paints are used as surface coating on many materials such as wood, mortar, cement, and other materials in order to enhance the appearance and maintain the surface from several conditions such as humidity, sunlight, corrosive, etc. Typically, paint contains mixture of pigments that provide colour to cover the original colour, binder that binds the pigments to the surface and coats .0 the surface like thin film, solvent that uses as solute and dilutes the pigments and the binder to have an appropriate viscosity for working, and additive that is usually added in small amount for enhancing colour properties such as colour distribution, smoothness, gloss, binding stability, sun protection, preventing humidity, etc. Accordingly, due to the environmental problems and limitation in minimizing the amount of a volatile organic compounds in colour, there have been .5 attempts to adjust the paint formulation having the lowest amount of the volatile organic compounds. One challenge to invent the solvent comprising low volatile organic compounds is the ability to maintain paint properties as same as the common solvent that usually contains high volatile organic compounds such as propylene glycol because normally the solvent containing low volatile organic compounds always dry easily and having poor storage stability under high or low 20 temperature.
US20170158885A1 disclosed the use of solvent in water borne paints comprising cosolvent of water and short chain water soluble alcohol and/or glycols selected from ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, and glycerine at 1 - 30 % by volume of total solvent.
Adeyi et al. (Journal of Health & Pollution Vol. 8, No. 18 - June 2018) disclosed the study of the oxygenated volatile organic compounds as anti-freezing agents in decorative water-based paints. They found that anti-freezing agents could be selected from ethylene glycol, diethylene
2019100711 28 Jun 2019 glycol, triethylene glycol, and propylene glycol whereas the averages of said compounds were
1,350 - 2,710 ppm, 1,000 - 1,980 ppm, 1,000 - 3,900 ppm, and 1,090 - 2,510 ppm, respectively.
US20150073080A1 disclosed the aqueous coating composition containing anti-freezing agents in the amount of less than 2 % by weight. Said compounds could be selected from ethylene 5 glycol, diethylene glycol, propylene glycol, glycerol, 1,2,3-trihydroxypropane, ethanol, methanol, l-methoxy-2-propanol, 2-amino-2-methyl-l-propanol, and FTS-365. The obtained aqueous coating composition contained the volatile organic compounds of less than or equal to 50 g/L.
From the reasons mentioned above, this invention aims to develop the solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability, which contains low volatile .0 organic compounds and is a non-toxic environment. Moreover, it does not affect other properties of the paint.
Summary of Invention
The present invention relates to the solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability that contains low volatile organic compounds (VOCs) and is a .5 non-toxic environment.
In one aspect, the solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability comprising:
a) organic compound selected from at least one glycerol or glycerol derivatives in the amount of 10 - 90 % by volume of said solvent; and
Ό b) organic compounds selected from at least 2 glycols having 1-6 carbon atoms in the amount of 10 - 90 % by volume of said solvent.
Brief Description of the Drawings
Figure 1 shows the gloss 60° test results by freeze thaw testing method of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
Figure 2 shows the viscosity test results by freeze thaw testing method of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
Figure 3 shows the gloss 60° test results by heat stability testing method of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
2019100711 28 Jun 2019
Figure 4 shows the viscosity test results by heat stability testing method of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
Figure 5 shows the dirt pick up test results of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
Figure 6 shows the open time/wet edge time test results of comparative sample A, B, C, D and sample according to the invention 1, 2, and 3.
Description of the Invention
Definition .0 Technical terms or scientific terms used here have definitions as by person skilled in the art unless stated otherwise.
Any tools, equipment, methods, or chemicals named here mean tools, equipment, methods, or chemicals being used commonly by person skilled in the art unless stated otherwise that they are tools, equipment, methods, or chemicals specific only in this invention.
.5 Use of singular noun or singular pronoun with “comprising” in claims or specification means “one” and including “one or more”, “at least one”, and “one or more than one” too.
All compositions and/or methods disclosed and claims in this application aim to cover embodiments from any action, performance, modification, or adjustment without any experiment that significantly different from this invention and obtain with object with utility and resulted as Ό same as the present embodiment according to person ordinary skilled in the art although without specifically stated in claims. Therefore, substitutable or similar object to the present embodiment, including any little modification or adjustment that clearly seen by person skilled in the art should be construed as remains in spirit, scope, and concept of invention as appeared in appended claims.
Throughout this application, term “about” means any number that appeared or showed here 25 that could be varied or deviated from any error of equipment, method, or personal using said equipment or method, including variations or variances occurred from changes of reaction conditions according to uncontrollable parameters such as humidity and temperature.
“Open time/wet edge time extenders” mean the organic compounds added into the waterbased latex paint that can improve open time/wet edge time in order to increase working time.
“Anti-skinning/freeze thaw stabilizers” mean the organic compounds added into the water-based latex paint that can improve the anti-skinning/freeze thaw stability.
2019100711 28 Jun 2019 “Volatile organic compounds (VOCs) mean the volatile organic compounds at normal pressure and temperature that cause the air pollution. Their main components are carbon and hydrogen atoms and may include other compositions such as oxygen, fluoride, chloride, bromide, sulphur, and nitrogen.
An objective of this invention is to prepare the solvent with low volatile organic compounds and is a non-toxic environment in water-based paints, comprising glycerol or glycerol derivatives and glycols having 1-6 carbon atoms.
Another objective of this invention is the use of said solvent as the open time/wet edge time extenders and anti-skinning/freeze thaw stability.
.0 Hereafter, invention embodiments are shown without any purpose to limit any scope of the invention.
This invention relates to the solvent as an open time/wet edge time extenders and antiskinning/freeze thaw stability that comprising:
a) organic compound selected from at least one glycerol or glycerol derivatives in the .5 amount of 10 - 90 % by volume of said solvent; and
b) organic compounds selected from at least 2 glycols having 1-6 carbon atoms in the amount of 10 - 90 % by volume of said solvent.
Preferably, the solvent according to the invention comprising the organic compound according to a) in the amount of 25 - 40 % by volume of said solvent, and the organic compounds Ό according to b) in the amount of 60 - 75 % by volume of said solvent.
In one embodiment, the organic compound according to a) can be selected from glycerol or glycerol derivatives such as glycerol, glycerol carbonate, glycerol ester, or glyceric acid. Preferably, the organic compound according to a) is glycerol.
In one embodiment, the organic compounds according to b) are glycols having 1-6 carbon atoms that can be selected from ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, pentaethylene glycol, and hexaethylene glycol, preferably the mixture between diethylene glycol and triethylene glycol.
Preferably, the solvent according to the invention comprising:
a) glycerol in the amount of 25 - 40 % by volume of said solvent; and
b) diethylene glycol in the amount of 5 - 20 and triethylene glycol in the amount of 30 70 % by volume of said solvent.
2019100711 28 Jun 2019
Most preferably, the organic compounds according to b) comprising diethylene glycol in the amount of 5 - 30 and triethylene glycol in the amount of 30 - 70 % by volume of said solvent.
In one embodiment, the solvent according to the invention has a volatile organic compounds (VOCs) less than or equal to 5 g/L according to ASTM D3960 standard.
In another embodiment, a paint composition comprising pigments, binders, additives, water, and the solvent according to the invention. Preferably, the solvent is in the amount of 0.1 to 20 % by weight, most preferably is in the amount of 0.1 - 5 % by weight.
In another embodiment, the solvent according to the invention can be enhanced in other properties by adding additives such as surfactants, biocides, plasticizers, lubricants, surface .0 modifiers, anti-blocking agents, reinforcement agents, inorganic fillers, or pigments.
The following examples is only for demonstrating the embodiments of this invention, not for limiting the scope of this invention in any way.
Preparation of the solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability .5 The preparation of the solvent as an open time/wet edge time extenders and antiskinning/freeze thaw stability according to the present invention may be prepared by the following methods.
1. Diethylene glycol and triethylene glycol were mixed in the amount as shown in table 1 under normal condition at room temperature and stirred at speed rate 100-350 rounds per minute
Ό (rpm) for about 2-15 minutes.
2. The obtained mixture from step 1 was mixed with glycerol in the amount as shown in table 1 under normal condition at room temperature or with heating and stirred at speed rate 100 - 450 rpm for about 5-60 minutes.
Properties determination of the solvent as an open time/wet edge time extenders and anti25 skinning/freeze thaw stability in water-based paint
The properties determination of the solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability in water-based paint may be performed by the following methods.
Determination of paint properties by freeze thaw testing method at -20 °C for 5 days (5 cycles)
2019100711 28 Jun 2019
The solvent prepared from step 1 and 2 above in the amount of 5.4 - 8 g was mixed with
192 - 194.6 g of water-based paint sample then blended said mixture until a homogeneous dispersion was obtained.
Gloss 60° test
i. The paint film prepared from the above said mixture was painted on paint supporting paper with wire coater until the thickness reached 100 microns. Then, the film was left until dried at room temperature for 5 minutes and put into the oven which was controlled the temperature at 80 °C for 10 minutes.
ii. After the film was completely dried, it was left at room temperature for 1 hour to cool .0 down the film to the temperature close to room temperature. The gloss 60° was measured by Tri
Gloss Meter.
Viscosity test (cP) iii. The viscosity of the prepared paint from the above said mixture was measured by viscometer (Brookfield model RVDV-III U S/N 8402662) with spindle no. 4 with speed rate 20 .5 rpm at 25 °C.
The rest of samples from the above tests were kept at -20 °C for 5 cycles (5 days) for freeze thaw testing. The gloss value and viscosity were tested at 1 day, 3 days, and 5 days applying the above said methods according to i - iii.
Determination of paint properties by heat stability testing method at 50 °C for 1 month
Ό The solvent prepared from the above said method in the amount of 5.4 - 8 g was mixed with 192 - 194.6 g of water-based paint sample and blended until a homogeneous dispersion was obtained.
Gloss 60° test iv. The paint film prepared from the above said mixture was painted on paint supporting paper with wire coater until the thickness reached 100 microns. Then, the film was left until dried at room temperature for 5 minutes and put into the oven which was controlled the temperature at 80 °C for 10 minutes.
v. After the film was completely dried, it was left at room temperature for 1 hour to cool down the film to the temperature close to room temperature. The gloss 60° was measured by Tri
Gloss Meter.
Viscosity test (cP)
2019100711 28 Jun 2019 vi. The viscosity of the prepared paint from the above said mixture was measured by viscometer (Brookfield model RVDV-III U S/N 8402662) with spindle no. 4 with speed rate 20 rpm at 25 °C.
Dirt pick up test vii. A baked soil at 60 °C for 24 hours was spread onto a half of painted paper with the prepared paint prepared from the above said mixture for 1 hour. Then, the baked soil was removed for dirt pick up test.
Open time/wet edge time test viii. The open time/wet edge time of the paint prepared from the above said mixture under .0 normal condition at room temperature was determined according to ASTM D7488 standard.
The rest of samples from the above tests were kept in the oven at 50 °C for 1 month for anti-skinning testing and were tested at 2nd week and 4th week using the above said methods according to iv - vii.
The samples according to the invention and comparative samples in table 1 were .5 determined by freeze thaw testing method and heat stability testing method as described above. Results were shown in figure 1-6.
Table 1: Compositions of the samples according to the invention and comparative samples
2019100711 28 Jun 2019
| Sample | Compc |
| Glycerol | |
| Sample according to the invention 1 | 30 |
| Sample according to the invention 2 | 30 |
| Sample according to the invention 3 | 35 |
| Comparative sample A is water-based paint w | |
| Comparative sample B is water-based paint w | |
| Comparative sample C is water-based paint w | |
| Comparative sample D is water-based paint w 150000072145)as a solvent |
| )sition (% by volume of solvent) | |
| Diethylene glycol | Triethylene glycol |
| 15 | 55 |
| 10 | 60 |
| 5 | 60 |
| ithout solvent | |
| ith propylene glycol as a solvent | |
| ith bio-propylene glycol as a solvent | |
| ith commercial solvent (SDS Number: |
Figure 1 illustrates the gloss 60° test results by freeze thaw testing method. It was found that at 5th cycle, the gloss value of the paint using the solvent according to this invention was as good as using propylene glycol and bio-propylene glycol as a solvent and was better than no solvent or using the commercial solvent as a solvent.
Figure 2 illustrates the viscosity test results by freeze thaw testing method. It was found that at 5th cycle, the viscosity of the paint using the solvent according to this invention was better than no solvent or as same as using propylene glycol, bio-propylene glycol, or the commercial solvent as a solvent.
Figure 3 illustrates the gloss 60° test results by heat stability testing method. It was found that at 4th week, the gloss value of the paint using the solvent according to this invention was better than or equal to no solvent and using propylene glycol, bio-propylene glycol as a solvent.
2019100711 28 Jun 2019
Figure 4 illustrates the viscosity test results by heat stability testing method. It was found that at 4th week, the viscosity of the paint using the solvent according to this invention was better than no solvent or equal to using propylene glycol, bio-propylene glycol or the commercial solvent as a solvent.
Figure 5 illustrates the dirt pick up test results. It was found that the paint using the solvent according to this invention had a dirt pick up less than using propylene glycol, bio-propylene glycol or the commercial solvent as a solvent.
Figure 6 illustrates the open time/wet edge time test results. It was found that the open time/wet edge time of the paint using the solvent according to this invention were more than no .0 solvent or more than or equal to using propylene glycol, bio-propylene glycol or the commercial solvent as a solvent.
Best Mode of the Invention
Best mode of the invention is as disclosed in the detailed description.
Claims (3)
1/3
2019100711 28 Jun 2019
Gloss {GLOSS 60°)
100.0
80.0 —δ— Comparative sample A —Comparative sample B —Comparative sample C —o- Comparative sample D —I— Sample according to the invention 1
Figure 1
Viscosity
Comparative sample A (VISCOSITY, CP)
Comparative sample B
10,000
Comparative sample C
Comparative sample D —I— Sample according to the invention 1 8,000
Figure 2
1. A solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability which contains organic compounds characterized in that said solvent comprising:
a) organic compound selected from at least one glycerol or glycerol derivatives in the
5 amount of 10 - 90 % by volume of said solvent; and
b) organic compounds selected from at least 2 glycols having 1-6 carbon atoms in the amount of 10 - 90 % by volume of said solvent.
2,000
Week 0
Week 2
Week 4
Figure 4
2/3
2019100711 28 Jun 2019
Gloss
GLOSS 60
100.0
80.0 —ώ— Comparative sample A
Comparative sample B —♦— Comparative sample C —O- Comparative sample D —I— Sample according to the invention 1 —x- Sample according to the invention 2 —- Sample according to the invention 3
20.0
0.0
Week 0
Week 2
Week 4
Figure 3
Viscosity (VISCOSITY, CP)
10,000 a,ooo
Comparative sample A
Comparative sample B
Comparative sample C
Comparative sample D __l_ Sample according to the invention 1
Sample according to the invention 2 Sample according to the invention 3
4,000
2. The solvent according to claim 1 wherein the organic compound according to a) is glycerol in the amount of 25 - 40 % by volume of said solvent, and the organic compounds .0 according to b) are a mixture between diethylene glycol and triethylene glycol in the amount of 60
- 75 % by volume of said solvent.
3. The solvent according to claim 1 or 2, wherein said solvent comprising:
a) glycerol in the amount of 25 - 40 % by volume of said solvent; and
b) diethylene glycol in the amount of 5 - 30 and triethylene glycol in the amount of 30 .5 - 70 % by volume of said solvent.
4. The solvent according to any one of the preceding claims, wherein said solvent has a volatile organic compound (VOC) less than or equal to 5 g/L according to ASTM D3960 standard.
5. A paint composition comprising pigments, binders, additives, water, and the solvent according to any one of the preceding claims in the amount of 0.1 to 20 % by weight.
3/3
2019100711 28 Jun 2019
Comparative Comparative Comparative Comparative sample A sample B sample C sample D
Figure 5
Sample according to the invention 1
Sample according Sample according to the invention 2 to the invention 3
Time (Min) □ Comparative sample A
E3 Comparative sample B □ Comparative sample C □ Comparative sample D □ Sample according to the invention 1
0 Sample according to the invention 2
EQ Sample according to the invention 3
Wet edge time
Figure 6
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TH1803002996 | 2018-12-25 | ||
| TH1803002996U TH1803002996C3 (en) | 2018-12-25 | Solvent for use as a drying retardant. and retain color when stored at hot or cold temperatures (Solvent as an open time/wet edge time extenders and anti-skinning/freezw thaw stability). |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2019100711A4 true AU2019100711A4 (en) | 2019-08-22 |
Family
ID=67621057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2019100711A Active AU2019100711A4 (en) | 2018-12-25 | 2019-06-28 | Solvent as an open time/wet edge time extenders and anti-skinning/freeze thaw stability |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU2019100711A4 (en) |
| DE (1) | DE202019004988U1 (en) |
| MY (1) | MY190778A (en) |
| PH (1) | PH22019050548U3 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8402662B1 (en) | 2005-04-05 | 2013-03-26 | Ronald E. Douzanis | Knife opening assist |
| CN107099212B (en) | 2012-02-10 | 2019-11-22 | 阿科玛股份有限公司 | The useful latex adhesive in zero or low VOC coatings composition |
| WO2015089072A1 (en) | 2013-12-09 | 2015-06-18 | Angus Chemical Company | Low voc isoxazolidine as open time extenders in water borne paints |
-
2019
- 2019-06-28 AU AU2019100711A patent/AU2019100711A4/en active Active
- 2019-12-09 DE DE202019004988.6U patent/DE202019004988U1/en active Active
- 2019-12-09 MY MYUI2019007289A patent/MY190778A/en unknown
- 2019-12-09 PH PH2/2019/050548U patent/PH22019050548U3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PH22019050548U3 (en) | 2023-08-11 |
| PH22019050548U1 (en) | 2022-06-03 |
| MY190778A (en) | 2022-05-12 |
| DE202019004988U1 (en) | 2020-04-08 |
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