ES2288804B1 - SOLVING COMPOSITION FOR WATER BASED COATINGS AND ITS APPLICATION. - Google Patents

SOLVING COMPOSITION FOR WATER BASED COATINGS AND ITS APPLICATION. Download PDF

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Publication number
ES2288804B1
ES2288804B1 ES200601967A ES200601967A ES2288804B1 ES 2288804 B1 ES2288804 B1 ES 2288804B1 ES 200601967 A ES200601967 A ES 200601967A ES 200601967 A ES200601967 A ES 200601967A ES 2288804 B1 ES2288804 B1 ES 2288804B1
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water
based coatings
composition
essentially characterized
application
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Spanish (es)
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ES2288804A1 (en
Inventor
Felipa Antonia Garcia Sevilla
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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/02Monocyclic hydrocarbons
    • C07C15/067C8H10 hydrocarbons
    • C07C15/08Xylenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02Monohydroxylic acyclic alcohols
    • C07C31/08Ethanol

Abstract

Para su uso preferente en las pinturas destinadas al sector del automóvil en donde ésta composición disolvente sustituye al agua obteniéndose un mayor aprovechamiento de la pintura base así como una mejora en los tiempos de secado, esencialmente caracterizado porque su elemento más relevante cuantitativamente es el alcohol en donde dicho alcohol viene definido por una composición de un 99,98% de etanol parcialmente desnaturalizado y 0,02% de triclosan al cual se le añaden xileno, metoxipropanol y acetato de N-butilo grado uretano.For its preferential use in the paints destined to the automobile sector where this solvent composition replaces the water obtaining a better use of the base paint as well as an improvement in the drying times, essentially characterized in that its most important element quantitatively is the alcohol in wherein said alcohol is defined by a composition of 99.98% partially denatured ethanol and 0.02% triclosan to which xylene, methoxypropanol and urethane grade N-butyl acetate are added.

Description

Composición disolvente para recubrimientos de base agua y su aplicaciónSolvent composition for coatings water based and its application

Tal y como su nombre indica la invención que se propone es una composición disolvente especialmente indicada para su uso con recubrimientos de base agua especialmente las que se suelen utilizar en el sector del automóvil, siendo que dicho disolvente sustituye al agua en el uso de este tipo de recubrimientos generando un mejor aprovechamiento de la pintura base utilizada así como un secado más rápido de la mezcla.As its name indicates the invention that proposed is a solvent composition especially indicated for its use with water-based coatings especially those that usually used in the automotive sector, being that said solvent replaces water in the use of this type of coatings generating a better use of the base paint  used as well as faster drying of the mixture.

Antecedentes Background

En el sector del automóvil se ha venido utilizando de forma generalizada el método de pistola como forma de aplicación de las pinturas a las carrocerías.In the automobile sector it has come widely using the gun method as a form of application of paints to bodies.

Sin embargo las elevadas toxicidades de los compuestos utilizados para la fabricación de pinturas suponen una agresión constante al medio ambiente, además de los riesgos que para las personas manipuladoras puedan suponer.However, the high toxicities of compounds used to make paints represent a constant aggression to the environment, in addition to the risks that for manipulative people they can assume.

Para solventar los inconvenientes señalados reduciendo el nivel de toxicidad se han empezado a utilizar las denominadas recubrimientos de base agua, coloquialmente pinturas al agua o pinturas de base agua, que como su nombre indica son pinturas que utilizan el agua como solvente, reduciéndose de ese modo los elementos tóxicos que existían en los solventes utilizados en las pinturas convencionales.To solve the problems indicated reducing the level of toxicity have begun to use the called water-based coatings, colloquially paints water or water-based paints, which as the name implies are paints that use water as a solvent, reducing that mode the toxic elements that existed in the solvents used in conventional paints.

Esta pintura sin embargo genera en la práctica determinados problemas fundamentalmente un tiempo de secado excesivo y una poca optimización de la pintura base de la mezcla.This painting however generates in practice certain problems primarily a drying time excessive and a little optimization of the base paint of the mixture.

Por otro lado el agua que debe servir como disolvente no es cualquier tipo de agua, sino que debe llevar un tratamiento específico, por lo que los costes, que en apariencia deberían ser menores, se elevan sustancialmente.On the other hand the water that should serve as solvent is not any type of water, but must carry a specific treatment, so the costs, which in appearance they should be smaller, they rise substantially.

A modo de ejemplo del ahorro de pintura puede señalarse que, utilizando el agua desionizada, para conseguir 400 gramos de producto aplicable sería necesario 300 gr. de pintura más el 33% de agua añadida.As an example of saving paint you can point out that, using deionized water, to get 400 grams of applicable product would be necessary 300 gr. of paint more 33% water added.

Utilizando el compuesto que se plantea serían necesarios únicamente 200 gr. de pintura a la que se le añadirían otros tantos del compuesto objeto de esta patente.Using the compound that arises would be only 200 gr needed. of paint to which they would be added as many of the compound object of this patent.

De este modo, utilizando el compuesto que se propone, se produce un ahorro sustancial (33%) del producto base, la pintura, que es la que conlleva el mayor coste económico.Thus, using the compound that is proposes, there is a substantial saving (33%) of the base product, the painting, which is the one that carries the highest economic cost.

Otra de las ventajas del compuesto objeto del presente es la reducción de los tiempos de secado ya que la mezcla de agua desionizada y pintura -en las proporciones optimas de uso que son las antes expuestas- tiene un tiempo de secado de 30 minutos en condiciones óptimas de temperatura (20º centígrados), mientras que la mezcla realizada con al composición propuesta, en idénticas condiciones, tiene un tiempo de secado de 10 minutos.Another advantage of the compound subject to present is the reduction of drying times since the mixture of deionized water and paint - in the optimal proportions of use which are the above - has a drying time of 30 minutes in optimal temperature conditions (20º Celsius), while the mixture made with the proposed composition, in identical conditions, it has a drying time of 10 minutes.

Hay que tener en cuenta que en el sector del automóvil por norma general se deben dar tres o cuatro capas de pintura por lo que el tiempo final de secado de un coche o parte del mismo pasa a ser de 120 minutos en el caso de utilizar la mezcla con agua y de 40 minutos en el caso de utilizar el compuesto que se propone.It must be taken into account that in the sector of car as a general rule should be given three or four layers of paint so the final drying time of a car or part of the same happens to be 120 minutes in the case of using the mix with water and 40 minutes in the case of using the compound What is proposed.

Este ahorro sustancial del tiempo de secado permite un trabajo más rápido y, por tanto, un mayor volumen de trabajo sin variar los horarios ni las instalaciones de secado.This substantial saving of drying time allows faster work and, therefore, a greater volume of I work without changing schedules or drying facilities.

Además, otra de las ventajas de la utilización del compuesto objeto del presente es que no resulta necesaria la utilización de elementos accesorios para favorecer el secado tales como cabinas de secado o sopladores que son recomendables en el caso de utilizar la mezcla con agua.In addition, another advantage of the use of the compound object of the present is that the use of accessory elements to promote drying such as drying booths or blowers that are recommended in the case of using the mixture with water.

Descripción de la invenciónDescription of the invention

Como se ha expuesto, la invención consiste un disolvente que sustituye al agua en las pinturas base agua obteniéndose unos tiempos de secado más rápidos así como un mejor aprovechamiento de la pintura.As stated, the invention consists of a solvent that replaces water in water-based paints obtaining faster drying times as well as better use of paint.

El disolvente se realiza a base de alcohol, xileno, metoxipropanol y acetato de n-butilo grado uretano.The solvent is made based on alcohol, xylene, methoxypropanol and n-butyl acetate grade urethane

Dicha composición, en los porcentajes que se detallarán, sustituye al agua en las pinturas de base agua.Said composition, in the percentages that are detail, replace water in water-based paints.

Descripción de un modo de realización de la invenciónDescription of an embodiment of the invention

Tal y como se ha explicado, la base del disolvente es el isopropanol al cual se le añade una mezcla de isómeros del xileno todo ello según se señala en los siguientes porcentajes;As explained, the basis of Solvent is isopropanol to which a mixture of Xylene isomers all as indicated in the following percentages;

1one

El compuesto, tal y como se facilita, se mezcla directamente con la pintura base, siendo recomendable una mezcla en un porcentaje de 50% de pintura y 50% del producto.The compound, as provided, is mixed directly with the base paint, being recommended a mixture in a percentage of 50% paint and 50% of the product.

La aplicación del producto obtenido no difiere de la aplicación del producto final obtenido utilizando el agua como disolvente, salvo en el momento del secado en el que, habiendo utilizado la mezcla que se propone no resulta necesario utilizar medios de auxilio del secado tales como cabinas o sopladores.The application of the product obtained does not differ of the application of the final product obtained using water as a solvent, except at the time of drying in which, having used the proposed mixture is not necessary to use drying aid means such as booths or blowers.

Claims (5)

1. Composición disolvente para recubrimientos de base agua y su aplicación para su uso preferente en las pinturas destinadas al sector del automóvil esencialmente caracterizado porque su elemento más relevante cuantitativamente es el alcohol en donde dicho alcohol viene definido por una composición de un 99,98% de etanol parcialmente desnaturalizado y 0,02% de triclosan al cual se le añaden xileno, metoxipropanol y acetato de n-butilo grado uretano.1. Solvent composition for water-based coatings and their application for preferential use in paints intended for the automobile sector essentially characterized in that its most quantitatively relevant element is alcohol where said alcohol is defined by a composition of 99.98% of partially denatured ethanol and 0.02% triclosan to which xylene, methoxypropanol and urethane grade n-butyl acetate are added. 2. Composición disolvente para recubrimientos de base agua y su aplicación según reivindicación primera esencialmente caracterizado porque comprende un porcentaje de xileno entre un 15% y un 40%.2. Solvent composition for water-based coatings and their application according to claim one essentially characterized in that it comprises a percentage of xylene between 15% and 40%. 3. Composición disolvente para recubrimientos de base agua y su aplicación según reivindicación primera esencialmente caracterizado porque comprende un porcentaje de metoxipropanol entre un 11,5% y un 15%.3. Solvent composition for water-based coatings and their application according to claim one essentially characterized in that it comprises a percentage of methoxypropanol between 11.5% and 15%. 4. Composición disolvente para recubrimientos de base agua y su aplicación según reivindicación primera esencialmente caracterizado porque comprende un porcentaje de acetato n-butilo gardo uretano entre un 2,5% y un 5%.4. Solvent composition for water-based coatings and their application according to claim one essentially characterized in that it comprises a percentage of n-butyl acetate gardo urethane between 2.5% and 5%. 5. Composición disolvente para recubrimientos de base agua y su aplicación según las reivindicaciones anteriores esencialmente caracterizada porque el producto final aplicable sobre la superficie a pintar puede venir compuesto por un porcentaje de disolvente de hasta el 50%.5. Solvent composition for water-based coatings and their application according to the preceding claims essentially characterized in that the final product applicable on the surface to be painted can be composed of a percentage of solvent of up to 50%.
ES200601967A 2006-07-10 2006-07-10 SOLVING COMPOSITION FOR WATER BASED COATINGS AND ITS APPLICATION. Active ES2288804B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200601967A ES2288804B1 (en) 2006-07-10 2006-07-10 SOLVING COMPOSITION FOR WATER BASED COATINGS AND ITS APPLICATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200601967A ES2288804B1 (en) 2006-07-10 2006-07-10 SOLVING COMPOSITION FOR WATER BASED COATINGS AND ITS APPLICATION.

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ES2288804A1 ES2288804A1 (en) 2008-01-16
ES2288804B1 true ES2288804B1 (en) 2008-12-16

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU529874B2 (en) * 1981-07-08 1983-06-23 Ppg Industries, Inc. Coating compositions containing catalyst
DE19500358A1 (en) * 1995-01-09 1996-07-11 Bayer Ag Polyester polyols and their use in two-component polyurethane coatings
KR100563420B1 (en) * 2000-07-19 2006-03-22 가부시키가이샤 닛폰 쇼쿠바이 Resin composition for coating and coating composition for curing
DE10043810A1 (en) * 2000-09-06 2002-04-04 Basf Coatings Ag Binder solution for use as spot blender for small automotive repairs contains (meth)acrylate copolymer in a solvent mixture containing, preferably, butyl acetate, 2-methoxypropyl acetate, xylene and ethanol
ES2246171B1 (en) * 2004-07-30 2006-11-16 Talleres Omar, S.L. DILUENT FOR WATER PAINTS.

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