WO2002085993A1 - Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides - Google Patents
Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides Download PDFInfo
- Publication number
- WO2002085993A1 WO2002085993A1 PCT/EP2001/004509 EP0104509W WO02085993A1 WO 2002085993 A1 WO2002085993 A1 WO 2002085993A1 EP 0104509 W EP0104509 W EP 0104509W WO 02085993 A1 WO02085993 A1 WO 02085993A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- component
- monobase
- filler
- paint
- Prior art date
Links
Classifications
-
- 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
- C09D7/80—Processes for incorporating ingredients
Definitions
- This invention relates to a method for producing paints, especially by mixing predetermined quantities of fluid products. It also concerns a system measuring the dye and a basic fluid product for making paints.
- the processes for producing colored paints have been based for some time on the so-called dye measurement systems.
- the basic idea of these systems is that of dyeing a basic product with good covering characteristics - guaranteed, for example, by the presence of a predetermined percentage of titanium white TiO 2 - with small predetermined percentages of colored pigments which, by mixing with each other and with the basic product, give the finished paint the desired coloring.
- the percentages of dyes necessary to obtain a specific color are established by proportional formulas studied by the producers of bases and dyes.
- a transparent basic product that is to say without TiO 2 and containing for the most part a thickening product of neutral or little color covering, called "filler” (putty), which is used to give body to the finished paint so that it takes the desired consistency.
- a basic product chosen from a group comprising at least two distinct basic products: a white basic product, containing high percentages of TiO 2 , typically around 20%, and a neutral, without TiO 2 .
- the selection of one or the other type of basic product is normally made by specialized personnel, according to the indications provided by the producers of dyes in relation to the specific coloration of the desired final paint.
- the optimal yield is generally obtained only for the colors which are at the two ends of the chromatic range, that is to say say for very dark colors (to obtain them you must use neutral basic products) or for pastel colors (made from white basic products with high TiO- content).
- Some dye producers have proposed dye measurement systems that use more than two basic products to try to obtain optimal results also in the intermediate field of colors between dark and pastel colors, while other producers have even proposed colored bases, in addition to white bases with different TiO 2 content and that which is neutral or transparent.
- the purpose of this invention is to solve the drawbacks of the known technique and in particular to completely overcome the problems which lie ahead with the evolution of systems measuring dye and the latest trends followed, briefly discussed above.
- the objective of the invention is above all to provide a method of producing paints which can be carried out in a simple manner and, if possible, automated so that even an inexperienced user can obtain a colored paint as they please without having to worry about selecting the most appropriate base product each time to obtain the final coloring they want to give to the finished product.
- Another object of the invention is to provide a system for producing paints which makes it possible to optimize the use of colored pigments and the covering power of the finished paint.
- the invention in order to be able to achieve these above-mentioned aims, relates to a process of the type indicated in the foreword to this description, characterized in that it comprises the following phases: a) preparing a fluid monobase component comprising proportionally predetermined quantities of a binding element and of a filling or filler element; b) adding to the fluid monobase component, during the preparation of the final paint and in accordance with an optimized and predetermined proportional formulation according to the desired coloration of the said final paint, predetermined quantities of at least one fluid component selected from the group comprising: a fluid component comprising titanium white TiO 2 ; a fluid component comprising a filler or filler. To obtain a finished paint with a different color from white, to the fluid monobase component are added one or more fluid components comprising pigment or dye elements.
- the basic idea of the invention consists in the initial preparation of a single fluid product, which we will call with the term "monobase” in the remainder of this description, ready to be used for the formulation of paints of any desired color, and this by adding selectively and optimal titanium white, pigments and filler.
- the invention makes it possible to formulate the basic product, understood in the traditional sense of the term, as a function of the color to be obtained, which makes it radically different from the systems measuring already existing dye where the formulation of different basic products is strictly pre-established by the producer.
- Another important advantage derives from the fact that, according to the invention, it is possible to optimize the quantity of dyes necessary to obtain each shade in the chromatic range by optimizing at the same time the covering power of the finished paint. It must indeed be taken into consideration that the greatest cost of a finished paint is represented by the dyes or pigments used for its production which, moreover, are normally polluting for the environment and must therefore be eliminated in a manner appropriate, which logically entails additional costs, such as, for example, the containers which contain them.
- Another advantage of the invention is constituted by the possibility of almost completely automating the production process of the finished paints. Since it is not necessary to have specialized personnel who selects the type of basic product most suitable for producing a finished product of the desired color, it is possible to produce a dispensing machine which distributes, in a box or container pre-filled with monobase product, predefined quantities of dyes, TiO 2 and filler, in addition to any extenders and additives, in water or solvent, in order to obtain the paint of the desired color .
- a finished paint comprises the following elements or groups of principal elements which define its chemical-physical properties: a) one or more film-forming or binding substances, to which are attributed the hardness and the gloss of the varnished surfaces, among which we recall, for example, synthetic resins such as phenolic, acrylic, alkyd, epoxy, styrene, polyurethane, etc., or cellulose derivatives (e.g.
- nitrocellulose and acetocellulose) or natural resins eg, copal
- fillers, fillers or thickeners such as, for example, calcium carbonate CaCO 3 which gives body to paint or varnish
- a diluting means such as, for example, a solvent or water
- one or more pigments including titanium white TiO 2 and / or colored pigments of different types, natural or synthetic, organic or inorganic, intrinsically having a different covering power
- various additives such as anti-mold, anti-fermentation, siccative, anti-skin compounds, etc.
- a single monobase product is prepared and this will contain predetermined proportions of binder and filler, diluted in water or solvent depending on the use and the characteristics of the finished varnish product. Additives, the percentages of which in a paint are generally low, can be added already to the monobase or even afterwards during the preparation of the finished paint.
- a predetermined quantity of monobase product selected according to the end use of the paint (and not on the basis of the color that the paint should take , as happens on the other hand in the traditional systems which measure the dye)
- quantities of filler and pigments of which the percentage is predetermined are included both the usual colored pigments and the titanium white TiO 2 so that the sum of the quantities of monobase product, additional filler and pigments (in addition to any additives, in the event that these are added to the monobase and are not already dispersed therein) gives the total quantity of desired paint, in the desired color.
- the percentages of filler and pigments are defined by a formulation predetermined by the manufacturer of the monobase product and of the dyes which defines the optimal relationships between the various components so as to provide, for each color of the chromatic range, an optimized finished paint.
- High quality paints have a high content of binder and pigments, which are more costly to fill, but which give the paint good hiding power and good performance, thus making it more suitable for professional use.
- a high-quality monobase product must be selected comprising approximately 35% of one or more binding substances and approximately 20% of a known filler component, in addition, possibly, approximately 14%. additives, all diluted in water or solvent, for example, depending on the type of binding or film-forming substances and, ultimately, the end use for which the finished varnish product is intended get.
- low quality paints Unlike high quality paints, low quality paints have a higher filler content, less costly binder and pigments, and are therefore more suitable for use by amateurs.
- a monobase containing approximately 11% of one or more known binders and approximately 44% of a known filler, in addition, possibly, approximately 11% of additives, all diluted in water or solvent according to the characteristics of the binder (film-forming substance) and, ultimately, the use for which the finished varnish product is intended to be obtained.
- the fluid monobase comprises approximately 24% of a binding emulsion, approximately 36% of a filler, approximately 6% of a cellulose paste and approximately 12% of additives, all diluted in water, which reaches 22 About% of the total volume of the monobase.
- the monobase is therefore in a fluid form, packaged in boxes, and results easily transportable in containers of different formats.
- the fluid solution of titanium white TiO 2 comprises approximately 75% by volume of TiO 2 , approximately 1% of a bactericidal product, approximately 2% of a dispersing or wetting agent, all diluted in water, which reaches therefore 22%> approximately of the total volume of the TiO 2 solution.
- a varnish or finished paint of white color can be obtained by adding and mixing to an amount of fluid monobase product, equal to 80% of the fill level, the remaining 20% of TiO fluid solution, necessary to reach the fill level of 100%.
- the percentage by volume of each element inside the finished varnish product will therefore be approximately 20% (19.2%) of binder emulsion, about 30% (28.8%) of filler, about 15% of TiO 2 , about 5% (4.8%) of cellulose pulp, about 10%> (10.2%) of additives, all diluted in water equal to approximately 22% o of the total volume of the finished product, since both the monobase and the titanium white are already supplied in an aqueous solution.
- Table 2 The percentages of the various elements present in the fluid components which constitute after all the final paint are summarized in table 2 below.
- the fluid filler component comprises, for example, approximately 68% by volume of a mixture of products, filling dust, for example, of known type (the real "filler" element), approximately 2% of cellulose pulp, 3 % of a binding emulsion, approximately 1% of a bactericidal product, Approximately 1% of a dispersing or wetting agent, all diluted in water which therefore reaches approximately 25% of the total volume of the fluid filler component.
- the universal black dye is of a type generally known in the sector and is already supplied in the fluid form, so it can be easily mixed with the other components of the paint.
- the exact composition of the dye does not influence this invention, which precisely aims to optimize, by reducing it to a minimum, the quantity of dye necessary to obtain the desired finished colored product.
- a light gray paint by mixing with a monobase in box , filled to approximately 80% of the fill level, approximately 18% of TiO 2 solution and 2%> approximately of black dye so as to reach the fill level of 100%
- a medium gray paint by mixing in a boxed monobase, filled to 80%> approximately of the fill level, 10%> approximately of TiO 2 solution, 4% or approximately of black dye and also adding approximately 6% of fluid filler product to reach the total fill level of 100%
- a dark gray paint by mixing in a boxed monobase, filled to approximately 80% of the fill level, approximately 4% of TiO 2 solution, approximately 6% of black dye and then adding approximately 10%> of fluid filler product to reach the total fill level of 100%
- a black paint by mixing with a canned monobase, filled to about 80% of the fill level, about 8% of black dye and about 12% of fluid filler product
- the fluid monobase component is prepared in boxes and containers already ready to receive the other components, given the substantial constancy of the percentage of fluid monobase component necessary for obtaining paints of any color included in the chromatic range. Referring to the last two examples 7 and 8, it is therefore possible to prepare in-store containers of the desired dimensions, already pre-filled to 80% of their volume by the single fluid monobase component used for the preparation of the final paints.
- the fundamental principle is that of the formulation of the base, as it is traditionally understood, from a single monobase for each quality of paint by adding TiO 2 and / or filler - in predetermined quantities greater than or equal to 0%> depending on the desired final color - when preparing the color itself.
- This addition of possible amounts of titanium white and of the filler component can naturally be done both manually and automatically using a dispensing machine, as already happens in traditional systems which measure the dye, with reference to the distribution of colored pigments in known bases.
- the use of the dye is optimized because it is never added in quantities greater than necessary since, unlike what happens in traditional systems which measure the dye, it is never necessary to counteract an excess or a lack of titanium white.
- the economy resulting in the use of dyes immediately translates into a lower cost of the finished paint, in addition to a lesser impact on the environment caused by the general harmfulness of the dyes themselves.
- the covering power of the finished paint itself also becomes optimal for each determined quality of finished paint.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2001/004509 WO2002085993A1 (fr) | 2001-04-20 | 2001-04-20 | Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides |
US10/475,227 US20040235988A1 (en) | 2001-04-20 | 2001-04-20 | Method for producing paints, especially by mixing predetermined amounts of liquid products |
EP01943272A EP1409597A1 (fr) | 2001-04-20 | 2001-04-20 | Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides |
US11/482,312 US20060252880A1 (en) | 2001-04-20 | 2006-07-07 | Method for producing paints, especially by mixing predetermined amounts of liquid products |
US12/156,737 US20080242799A1 (en) | 2001-04-20 | 2008-06-04 | Method for producing paints, especially by mixing predetermined amounts of liquid products |
US12/454,395 US20090229490A1 (en) | 2001-04-20 | 2009-05-18 | Method for producing paints, especially by mixing predetermined amounts of liquid products |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2001/004509 WO2002085993A1 (fr) | 2001-04-20 | 2001-04-20 | Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/482,312 Continuation US20060252880A1 (en) | 2001-04-20 | 2006-07-07 | Method for producing paints, especially by mixing predetermined amounts of liquid products |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002085993A1 true WO2002085993A1 (fr) | 2002-10-31 |
Family
ID=8164380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/004509 WO2002085993A1 (fr) | 2001-04-20 | 2001-04-20 | Procede pour realiser des peintures, surtout en melangeant des quantites predeterminees de produits fluides |
Country Status (3)
Country | Link |
---|---|
US (4) | US20040235988A1 (fr) |
EP (1) | EP1409597A1 (fr) |
WO (1) | WO2002085993A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1178404A (fr) * | 1953-03-30 | 1959-05-11 | Procédé de fabrication de peinture et produits obtenus | |
EP0311209A1 (fr) * | 1987-10-05 | 1989-04-12 | Van Wijhe Beheer B.V. | Système de coloration pour peintures comprenant une peinture de base et une pâte pigmentaire |
IT1208569B (it) * | 1985-08-14 | 1989-07-10 | Schiavetti Francesca | Pitture murali e sistemi a velatura ad effetto esaustivo con dette pitture ottenuti. |
EP1094096A1 (fr) * | 1999-10-22 | 2001-04-25 | Nickolas Bizzio | Procédé pour réaliser des peintures en mélangeant des quantités prédéterminées de produits fluides |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01261450A (ja) * | 1988-04-12 | 1989-10-18 | Kansai Paint Co Ltd | 常温乾燥型非水分散性樹脂液及び形成方法 |
US5939203A (en) * | 1995-02-03 | 1999-08-17 | Arch Chemicals, Inc. | Discoloration prevention in pyrithione-containing coating compositions |
-
2001
- 2001-04-20 US US10/475,227 patent/US20040235988A1/en not_active Abandoned
- 2001-04-20 EP EP01943272A patent/EP1409597A1/fr not_active Withdrawn
- 2001-04-20 WO PCT/EP2001/004509 patent/WO2002085993A1/fr active Application Filing
-
2006
- 2006-07-07 US US11/482,312 patent/US20060252880A1/en not_active Abandoned
-
2008
- 2008-06-04 US US12/156,737 patent/US20080242799A1/en not_active Abandoned
-
2009
- 2009-05-18 US US12/454,395 patent/US20090229490A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1178404A (fr) * | 1953-03-30 | 1959-05-11 | Procédé de fabrication de peinture et produits obtenus | |
IT1208569B (it) * | 1985-08-14 | 1989-07-10 | Schiavetti Francesca | Pitture murali e sistemi a velatura ad effetto esaustivo con dette pitture ottenuti. |
EP0311209A1 (fr) * | 1987-10-05 | 1989-04-12 | Van Wijhe Beheer B.V. | Système de coloration pour peintures comprenant une peinture de base et une pâte pigmentaire |
EP1094096A1 (fr) * | 1999-10-22 | 2001-04-25 | Nickolas Bizzio | Procédé pour réaliser des peintures en mélangeant des quantités prédéterminées de produits fluides |
Also Published As
Publication number | Publication date |
---|---|
US20040235988A1 (en) | 2004-11-25 |
US20080242799A1 (en) | 2008-10-02 |
EP1409597A1 (fr) | 2004-04-21 |
US20090229490A1 (en) | 2009-09-17 |
US20060252880A1 (en) | 2006-11-09 |
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