The method of cleaning vehicles, solution-based fibrous material

 

(57) Abstract:

The invention relates to a method of cleaning vehicles, which consists in spraying the vehicle alkaline solution washing composition in a mixture with an aqueous solution of a derivative of cellulose. Moreover, the spraying is carried out with the addition of fibrous material. The invention also relates to a solution-based fibrous material, which is an aqueous dispersion with a concentration of 40 g/L. it is Possible to use the said material with a surface-active substance. Water-soluble derivatives of cellulose, mixed with alkaline detergent and water dispersion, forming the agglomerate when applied to the surface and partially absorbs dirt particles so that they no longer stick to the surface and are easily washed off with a hose with sinter. Introduction fibrous material in the rinsing replaces mechanical work. 2 S. and 9 C.p. f-crystals, 2 Il.

The present invention presents a method of cleaning vehicles, the solution of the fiber and the fiber material to clean vehicles.

Already there are many types of cleaning compositions for use in washing the hand wash, or together with a rotating brush or overhanging cloth, which mechanically removes dust and dirt from the surface. However, such manual or mechanical washing abrasive effect on the surface and in many cases can destroy the finish or the paint on the vehicle. Previously there have also been attempts to wash off with a hose layer of dust from the surfaces of vehicles, however, it was found that the dust adheres so strongly that sprinkling or pouring out of the hose even at high pressure is not satisfactory even when adding known cleaning solutions.

It has been unexpectedly found that a composition comprising a mixture of water-soluble cellulose derivatives, such as hydroxyl derivatives of cellulose, for example, ethylhydroxylamine, mixed with an alkaline detergent water dispersion with the reaction from neutral to alkaline, forms an agglomerate when applied to the surface to rinse, and it is partially adsorbs and partially absorbs dirt particles, so that they no longer stick to the surface and can be easily washed away from the hose with the agglomerate. It largely preserves the surface and represents znachitel cleaning vehicles without any mechanical treatment has increased, on what basis over the last 10 years, attempts were made to find a solution to this problem by applying various types of compositions and systems. The common factor of these compositions is that the surface is not cleaned because of the thin layer, which often remains and which is not removed when spraying under high pressure in combination with a cleaning composition without the use of strong compositions with negative impacts on the surface of the vehicle, and with a negative impact on the environment, and cause corrosion of the car.

Many manufacturers have tried to apply the acid and/or alkaline solutions, and their combinations, but there were side effects associated with corrosion as the car itself, and Sewerage systems, etc...

New effect of this cleaning solution and system is that it is made more viscous in the process of foaming, and that in the process of rinsing/washing hose in it preferably introduced non-abrasive particles of fiber that replaces the mechanical work required in the above-mentioned prior systems washing cars.

Unexpected affellay, and the alkaline solution dissolve easily in water, but directly mixed basic solutions with appropriate concentrations are not soluble in each other. Thus, the one-component system with these two basic solutions may not exist, and the two main solution are in the condition of the time polystability when mixed with water in the container/supply tank immediately before their introduction into the generator, from which the combined foam can be sprayed on the cleaned surface, which composition freezes, absorbing and adsorbing all dirt particles to which it is applied. Given the limited stability of the detergent compositions according to the invention, as needed continuously receive only that amount which is sufficient to clear one or a small number of vehicles or cars, and in the process of foaming solution volume increases to such an extent that it pre-cooked amount sufficient to clear the vehicle. In this regard, 2 - 10 l pre-cooked newspring the cleaning solution according to the invention, being increased in volume in the form of foam, smo is me stay 30 - 60 seconds, the dirt is absorbed/adsorbed into the solution.

During the flushing hose cleaning solution and dirt from the surface of the vehicle, the washing water is preferably fiber (see below), and it is also preferable to carry it out at a pressure in the range from 1 to 150 bar.

Water dispersion of a hydroxyl derivative of cellulose, is added to a neutral or alkaline solution of ordinary detergent compositions, manifesting a better detergent properties. It was found that, when using conventional detergent compositions together with the derived cellulose of the present invention, is achieved by a synergistic effect when mixed derivative of cellulose and an alkaline washing composition of the present invention, which greatly enhances the cleaning effect of the final product compared to the use of each of the components separately. In addition, it was found that when the compound of a derivative of cellulose with ordinary alkaline solution in concentrations, ensuring their mutual immiscibility, and when applying such a composition through a foam generator, preferably under high pressure, on the surface to be cleaned, is formed polystability composition, Kotor is displacement without any type of abrasive processing.

Below, the invention will be described in more detail with reference to examples of its implementation, and with reference to the drawings, where Fig. 1 shows one of the embodiments of the system and method according to the invention, and Fig. 2 - the other developed further variant of the implementation of the system and method according to the invention. Unless otherwise specified, in those cases when the description says interest content, we mean the percentage by volume.

To obtain detergent compositions of the present invention, for example, initially it is possible to prepare two basic solution, and a derivative of cellulose contained in the first solution (solution B), which is a basic (pH 7 to 14, preferably 9) and may contain a small amount of washing solution (1 to 5%). The concentration of the derivative of cellulose in aqueous dispersion B preferably lies in the range 0 - 10%, more preferably 0 to 5% by weight, for example 2%. As an example, a derivative of cellulose may be mentioned "Bermocoll E 230 - 481), which is a different variation ethyl-hydroxyethyl cellulose; however, after reading the present description, will be obvious other types of cellulose derivatives.

A solution cobalt to be a simple aqueous alkaline solution with a pH in the above range, however, it is preferable to use a cleaning solution with the reaction from neutral to alkaline with respect to the aforementioned preferred content of surface-active substances. For professionals will be obvious application of a suitable detergent compositions, since it can only be of a type that is generally suitable for this type of washing. As an example we can mention that for washing vehicles, you can use a basic solution such as "Forvask Vinter" (liquid alkaline washing and cleansing composition containing white spirit, complexing agents, surfactants, derivatives of glycol and water), "micro" (thixotropic liquid alkaline detergent and cleansing agent containing volatile mineral white spirit, sodium salt of ethylenediaminetetraacetic acid, surfactant and water), "Maskin Shampoo" (liquid alkaline cleaning composition comprising a surfactant, ethyldiglycol, complexing agents, silicates and water), "super Cllaner" (liquid alkaline washing composition containing surfactants, complexing agents, silicates and water); all days are available from Jhor Marcus Kjemiske A/S. Data cleaning compositions are the compositions of the a and solution B will be submitted separately in the form of a water main concentrates and mixed in the above-mentioned system in the preferred final solution with the addition of water. Thus, the main concentrate of B can be when the ratio of water and a derivative of cellulose in the mixture ranges from 1: 5 to 1:100, 1:50, most preferably 1:20.

On the basis of specialist knowledge, the main concentrate And can be adjusted according to the circumstances, because adding solution B composition or its use will not differ from normal use; however, due to the above-mentioned synergistic cleaning effect, the action of the United detergent composition will be greatly improved. When using the above-mentioned main concentrate Forvask Vinter", the main concentrate And can still be characterized by the ratio of the main concentrate and water in the mixture is from 1:10 to 1: 100, for example, 1:50; however, in extreme cases, it can also be used undiluted.

As described before rinsing/spraying from a hose when using this two-component system does not require any mechanical contact.

As an example: separately prepare the main concentrate B (2) (20% aqueous solution) and the main concentrate And (1) (50% aqueous solution, pH of 9.0). These two concentrate are fed through separate tubes/hoses/lines (a, b) is by combining tubes/hoses/lines in a common line (4), preferably by using ejector system on the basis of water, where the individual tubes (a, b) link at the top of the flow in the converging section vodopada ejector tube (in), and is sucked by the ejector in vatopediou tube leading to the supply tank (5). In this example, the amount of water flowing in vodopada tube (in) may be 5,7 l/min. Through the use of adjustable nozzles/valves on each individual tube can be adjusted videoscanine conditions of mixing, and you can stop mixing by using a shut-off valve 10 on the ejector tube (in). From this location you can spray the combined solution directly on the surface to be cleaned, however, it is preferable to allow the combined solution prepared for use, to flow into the supply tank (3). The supply tank (3) contains the solution in a quantity sufficient for multiple transactions wash. Prepared for the application of the solution can suck from the supply tank (3) through the pump (5), preferably under high pressure, air foamer (6), such as a generator, and sprinkled it on the vehicle or on a cleaned surface (8). via a short time (0.5 to 5 min) will glomerulopathy, to surround, to capture and raise dust and dirt from the surface up and into the foam. In addition, in the system in parallel will act a derivative of cellulose, with the formation of gel-like substance, which under the blanket of the hose will pull, pull and remove dust and dirt from the surface being cleaned.

With regards to the very dirty conditions, the solution can be made even more effective through the introduction or application of a small amount of non-abrasive fiber particles. The fiber material can be atomized in the container in the water (see Fig. 2, g) or, for example, in the above-mentioned solution of a derivative of cellulose and/or alkaline washing solution and served in the foam mixture or foamable composition 6 by a pump 11, which is open if necessary, or directly into the water to rinse. A bypass from the pump or mixing device supports a mixture in the form of a dispersion. Added fiber material will adsorb small particles with a strong affinity to the surface and bring them out of the foam in a gel-like mass. After that, the surface is easy to rinse from the hose clean, preferably using a water jet, mixed the C container B.

However, an alternative and preferred method of applying the dispersion of fibers is in a separate spray dispersion of fibers on the surface to be cleaned after adding the foam. Before rinsing water, which is preferably introduced fiber, it is necessary to provide a certain residence time of the foam compositions of the present invention on the surface, for example, for 0.5 - 5 min, and this procedure will enhance the cleansing effect of foam cleansing solution. Fibers are not abrasive and will act like a soft paper tissue. To further enhance the cleaning effect of the solution/dispersion of the fibers may not necessarily be prepared using detergent in the dispersing liquid.

For improved systems and procedures of washing according to the present invention can be used ground or unground fibers, and these fibers can be, for example, received the usual treatment of fibers, leading to the optimal degree of grinding. So, you can use a cellulose material, for example, sulfite pulp, sulfate pulp, thermomechanical wood pulp, ground wood, polychemicals cellulose, etc. are Examples of drevesiny leaves (for example, "Fofte EUC (ECF)") or sulphate pulp wood needles (for example, "Fofte 90 (ECF)". Exemplary and preferred type of cellulose may be mechanical wood mixture Folla STMR 100/60, but, as mentioned above, you can also use the appropriate types of wood pulp.

The length of the fibres may vary within wide limits. They may have a typical length of the fibers, and can for example lie in the range of 0.5 mm to 5.0 mm, in order To achieve the desired effect requires a very small amount of fiber material in the washing composition of the present invention, however, the amount of added fiber is not critical, so it is acceptable and even preferred large quantities. The concentration of fibers in the main solution of the fibers may be, for example, 0 to 40 g/l, preferably 5 g/l, but it is not critical. The weight of the fibers may be, for example, 10 grams of fiber in a liquid volume of about 2 - 10 l, which is also the volume that can be used to wash ordinary private cars. You can also use a large number of fibers than defined above, and in this case, the effect is somewhat better, however, the amount of fiber added by the way, should not be such baut soon after passing the solution/dispersion of the fiber, blockage of the system can be avoided.

Particles fibers can easily be filtered out in the sewer system with adsorbed dirt and thus contribute to a better clean wastewater. In the oil separator system will function as an oil adsorbent, and this will facilitate the circulation of water.

The cumulative effect of the above sequence of events is that when the foam obtained according to the invention, wash surface after some time, the surface will be cleaned from dust particles and dirt without the need for mechanical touching the surface.

To facilitate dispersion of the fibers, the water rinse the basic solution G containing fibres obtained by dispersing/mixing of fiber material with water together with surface-active substances.

To achieve superior of the washing, the fiber material can also be used alone or in combination with conventional detergents.

1. The method of cleaning of vehicles using alkaline solution washing the composition with a pH of 7 to 14, preferably 9, and an aqueous solution of a derivative of cellulose spray on the vehicle and then rinse the surface, the spray mixture is performed when adding a fibrous material to the mixture or to each solution separately or fibrous material applied to the surface of the vehicle separately.

2. The method according to p. 1, characterized in that a mixture of detergent composition and derived cellulose concentration of the solution derived cellulose to 5 wt.%, preferably 2 wt.%.

3. The method according to PP.1 and 2, characterized in that the solution of a derivative of cellulose and a solution of detergent compositions are used in a ratio of 1 : 3.

4. The method according to PP. 1 to 3, characterized in that the alkaline solution of the detergent composition are added to a solution of a derivative of cellulose with the use of water ejector when the ratio of the scrubbing solution composition and water in the connection point is equal to 1 : 10 to 1 : 100, 1 : 50.

5. The method according to PP.1 to 4, characterized in that the joint solution before spraying the vehicle passes through a foam generator.

6. The method according to PP.1 to 5, characterized in that the fibrous material is added to the rinsing cycle.

7. The method according to PP.1 - 6, characterized in that it is carried out under pressure, for example, 1 to 150 bar.

8. Way - , characterized in that the fibrous material can be used in concentrations up to 40 g/l 5 g/L.

10. The method according to PP. 1 to 9, characterized in that the solution of a derivative of cellulose and caustic cleaning composition is used in a ratio of 1 : 1 to 1 : 5, such as 1 : 3.

11. The solution is based on the fibrous material for the stage of rinsing after cleaning on PP. 6 to 10, characterized in that the fibrous material is an aqueous dispersion at concentrations up to 40 g/l, possibly in a mixture with one or more surface-active substance.

Priority points:

22.09.93 - PP.1 - 11.

 

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