EP3544741A1 - Système comprenant une éponge et un agent de revêtement - Google Patents

Système comprenant une éponge et un agent de revêtement

Info

Publication number
EP3544741A1
EP3544741A1 EP17811464.1A EP17811464A EP3544741A1 EP 3544741 A1 EP3544741 A1 EP 3544741A1 EP 17811464 A EP17811464 A EP 17811464A EP 3544741 A1 EP3544741 A1 EP 3544741A1
Authority
EP
European Patent Office
Prior art keywords
sponge
weight
coating agent
pores
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17811464.1A
Other languages
German (de)
English (en)
Inventor
Ingo Hörsting
Kai Thiele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brillux GmbH and Co KG
Original Assignee
Brillux GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brillux GmbH and Co KG filed Critical Brillux GmbH and Co KG
Publication of EP3544741A1 publication Critical patent/EP3544741A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood

Definitions

  • the invention relates to a system for coating wood materials, the
  • Wood-based materials especially when they are to be stored outdoors, need a protective coating. Often the preservation of the grain of the wood material is desired, which is why thin coatings are required. For this purpose, in particular offer glazes.
  • brushes or paint rollers are used. Brushes have the disadvantage that surfaces of coated with the help of brush wood materials often have an undesirable, inhomogeneous, especially a streaky appearance. Furthermore, it is difficult with brushes to limit the application of material, which limits the area performance of the coating composition, in particular the glaze. Finally, brushes show a high propensity to produce spatters when applying the coating compositions, in particular the glazes
  • the object of the invention was therefore to provide a system and / or a sponge for coating wood-based materials, which at least partially overcomes one or more of the disadvantages of the prior art.
  • the application should in particular be carried out as quickly as possible.
  • the system and / or the sponge should in particular show a low spatter tendency.
  • system and / or the sponge should in particular allow a homogeneous surface finish.
  • system and / or the sponge should in particular allow a low material application, so as to achieve a high level of
  • the invention provides a system for coating wood materials comprising a sponge and a coating agent, wherein the sponge a having average pore size of 0.08 mm to 1 mm and / or a pore density of 1 to 1000 pores / mm 3 .
  • the average pore size and / or the pore density of the sponge have a considerable influence on the application behavior of the system.
  • sponges having an average pore size of more than 1 mm and / or a pore density of less than 1 pore / mm 3 it is hardly possible to achieve a uniform surface finish. If the sponge had a mean pore size of less than 0.08 mm and / or a pore density of more than 1000 pores / mm 3 , the sponge no longer took up sufficient coating material or gave it only insufficiently to the surface to be coated. Both effects outside the range of 0.08 mm to 1 mm for the average pore size and / or 1 to 1,000 pores / mm 3 for the pore density ran counter to the expectation of the skilled person.
  • coating as used herein or elsewhere, it is meant, in particular, the application of a coating agent to a substrate, wherein the coating agent need not necessarily form a separate layer on the surface, but may also be at least partially or completely submerged in the surface Substrate penetrate in. Under the average pore size in particular the mean diameter of the
  • the average pore size can be determined by in
  • wood materials within the meaning of the invention includes in particular also Wood Plastic Composites.
  • the sponge of the system according to the invention has a mean pore size of 0.08 mm to 1 mm and / or a pore density of 1 to 1000 pores / mm 3 .
  • the sponge may in particular have an average pore size of 0.1 mm to 0.7 mm, from 0.125 mm to 0.6 mm, from 0.15 mm to 0.5 mm, from 0.175 mm to 0.45 mm or from 0, 2 mm to 0.4 mm.
  • the system according to the invention may in particular be from 3 to 900 pores / mm 3 , 5 to 500 pores / mm 3 , 8 to 300 pores / mm 3 , 10 to 200 pores / mm 3 , 13 to 150 pores / mm 3 or 15 to 125 pores / mm 3 .
  • sponges having the aforementioned mean pore sizes and / or pore densities, it is possible to obtain particularly homogeneous surfaces, with the coating agent simultaneously being delivered well to the surface.
  • the pores of the sponge of the system according to the invention are preferably open. This allows the sponge to absorb and release the coating agent well.
  • the sponge of the system according to the invention may in particular have an average pore size of 0.08 mm to 1 mm, in particular of 0.1 mm to 0.7 mm, of 0.125 mm to 0.6 mm, of 0.15 mm to 0.5 mm , from 0.175 mm to 0.45 mm or from 0.2 mm to 0.4 mm and a pore density of 1 to 1000 pores / mm 3 , in particular from 3 to 900 pores / mm 3 , 5 to 500 pores / mm 3 , 8 to 300 pores / mm 3 , 10 to 200 Pores / mm 3 , 13 to 150 pores / mm 3 or 15 to 125 pores / mm 3 .
  • Such sponges were particularly good results in terms of
  • the sponge of the system according to the invention can furthermore have a compression hardness of 0.0001 to 0.05 N / mm 2 , in particular of 0.0005 to 0.01 N / mm 2 , 0.001 to 0.009 N / mm 2 , 0.002 to 0.008 N / mm 2 , 0.002 to 0.007 N / mm 2 , 0.003 to 0.006 N / mm 2 or from 0.004 to 0.0055 N / mm 2 .
  • a compression hardness of the sponge of more than 0.05 N / mm 2 showed a greater spattering.
  • Swaging hardness of the sponge of less than 0.0001 N / mm 2 decreased the area performance of a coating agent to be applied.
  • the compression hardness can be determined, for example, according to DIN EN ISO 3386-1, in particular according to DIN EN ISO 3386-1: 2015-10.
  • the material of the sponge of the system according to the invention may be selected from the group consisting of polyurethane, polyester urethane, polyester, polyether, polystyrene, polyethylene, polypropylene, rubber, synthetic rubber, nitrile rubber and ethylene-propylene copolymer rubber. Sponges of such materials have proven to be durable.
  • the sponge of the system according to the invention contains or consists of polyurethane.
  • the sponge of the system according to the invention may in particular be homogeneous.
  • the sponge of the system according to the invention in particular in relation to the average pore size, the pore density, the density, the compressive strength and / or the material be homogeneous. Accordingly, a sponge of
  • the sponge of the system according to the invention is in particular free from
  • the sponge of the system according to the invention may be in one piece. As a result, an immediate power transmission is ensured in particular.
  • the sponge can have any shape.
  • the sponge may have the shape of a cuboid. According to a special
  • the sponge in the form of a cuboid with a on one side of the cuboid, in particular on an end face of the cuboid, attached wedge.
  • Surfaces having narrow scratches and / or corners or requiring high coating precision can also be well coated with such a sponge.
  • the sponge may have at least one of its side surfaces one or more recessed grips or a groove.
  • the sponge may have at least one of its edges a chamfer, in particular a chamfer of 20 ° to 70 °, and / or a radius, in particular a radius of at least 2 mm.
  • the sponge may in particular be symmetrical to a plane passing through the
  • the sponge is suitable for use by both right and left-handed.
  • Coating be a pseudoplastic coating agent.
  • Structurally viscous coating compositions are known to the person skilled in the art. The person skilled in the art understands, among pseudoplastic coating compositions, in particular those Coating compositions which show a decreasing viscosity with increasing shear forces.
  • the system according to the invention may comprise a sponge having an average pore size of 0.08 mm to 1 mm, from 0.1 mm to 0.7 mm, from 0.125 mm to 0.6 mm, from 0.15 mm to 0.5 mm , from 0.175 mm to 0.45 mm or from 0.2 mm to 0.4 mm and / or a pore density from 1 to 1000 pores / mm 3 , in particular from 3 to 900 pores / mm 3 , 5 to 500 pores / mm 3 , 8 to 300 pores / mm 3 , 10 to 200
  • Coating can penetrate well into the pores and just so well kept in that the coating agent drips little and / or splashes and is discharged simultaneously in an amount that a uniform and
  • a compression hardness of 0.0001 to 0.05 N / mm 2 , in particular 0.0005 to 0.01 N / mm 2 , 0.001 to 0.009 N / mm 2 , 0.002 to 0.008 N / mm 2 , 0.002 bis 0.007 N / mm 2 , 0.003 to 0.006 N / mm 2 or from 0.004 to 0.0055 N / mm 2 .
  • the coating composition of the system according to the invention can, in particular at a shear rate of 0 to 1 s 1, have a viscosity of 50,000 to 3,000 mPa ⁇ s and, at a shear rate of 1.01 to 100 s 1, a viscosity of 10,000 to 500 mPa ⁇ s and a shear rate from 100.01 to 1000 s 1 have a viscosity of 5000 to 50 mPa-s.
  • the coating composition of the system according to the invention at a shear rate of 0 to 1 s 1, a viscosity of 20,000 to 3500 mPa-s and at a shear rate of 1.01 to 100 s 1, a viscosity of 7000 to 800 mPa-s and at a shear rate from 100.01 to 1000 s 1 have a viscosity of 3500 to 100 mPa-s.
  • Coating agents showed a very low spatter slope even when applied quickly to the surface.
  • the viscosity can be determined using a Bohlin Gemini Rheometer from Malvern at a temperature of 23 ° C.
  • a cone geometry (diameter 40 mm, inclination 4 °) can be used.
  • the coating agent of the system according to the invention may further comprise a
  • the coating composition of the system according to the invention comprises, in each case based on the total weight of the coating composition, preferably
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • the polymer of the polymer of the polymer of the coating agent of the system according to the invention various polymers are suitable.
  • Coating agent at least one alkyd resin and / or at least one
  • the polymer of the coating composition particularly preferably contains at least one polymer based on acrylic acid derivatives and / or styrene.
  • Acrylic acid esters and / or methacrylic acid esters it is preferred that the
  • Alcohol radical contains 1 to 12 carbon atoms.
  • the alcohol residue can also be branched or unbranched.
  • the polymer of the coating composition consists of at least one of the aforementioned polymers and / or copolymers.
  • the polymer of the coating composition contains or consists of at least one alkyd resin.
  • the polymer of the coating composition contains at least one polyurethane or consists thereof.
  • As a pigment various substances come into question.
  • the pigment is selected from the group consisting of titanium dioxide, iron oxide yellow, arylide (Monoazo), bismuth vanadate, perinone, rutile tin zinc, quinacridones, diketopyrrolopyrrole, iron oxide red, phthalocyanine blue, dioxazine, cobalt blue, ultramarine blue, phthalocyanine green, chrome oxide green, cobalt green, color black, iron oxide black, pyrazolo quinazolone, naphthol AS Monoazo pigment and mixtures thereof.
  • inorganic pigments are preferably used.
  • examples of inorganic pigments are oxides such as titanium dioxide, iron oxides, e.g. P.Y. 42, P.R. 101, P.Bk. 11, chrome oxide green, e.g. P. G. 17, mixed phase pigments e.g.
  • organic pigments are preferably used.
  • organic pigments are azo pigments, e.g. Arylid yellow (monoazo) P.Y. 74, polycyclic pigments, e.g. Quinacridone P.R. 122, Perinone P.O. 43, pyrazolo quinazolone P.O. 67, diketo-pyrrolo-pyrrole (DPP) P.R. 254, dioxazine P.V. 23 and metal complex pigments, e.g. Copper phthalocyanines Blue P.B. 15: 3 and green P.G. 7th
  • the names of the inorganic and organic pigments used for the examples correspond to the Generic Names of the Color Index of the British Society of Dyers and Colourists.
  • mixtures of inorganic and organic pigments are used.
  • Thickeners based on polyurethane, cellulose, acrylates and / or bentonites, preferably based on polyurethane, may, for example, be considered as thickeners.
  • additives include defoamers, wetting agents, preservatives and surface protection agents.
  • coating agents may also contain solvents, in particular from 1 to 10% by weight, based on the total weight of the coating agent, in order to allow a longer hold-open time.
  • the coating agent of the system according to the invention may be a glaze.
  • glazes are understood in particular non-opaque coating compositions.
  • examples of glazes are wood stains.
  • the invention further relates to the use of a system according to the invention for coating a wood-based material.
  • the invention further relates to a method for coating a
  • Coating agent wherein the sponge has a mean pore size of 0.08 mm to 1 mm and / or a pore density of 1 to 1000
  • Coating sponge containing over the surface of the wood material Coating sponge containing over the surface of the wood material.
  • Coating agent of the method according to the invention applies the above to the system according to the invention analogously.
  • the invention further provides a wood material obtainable according to the
  • the invention is also a sponge for applying a
  • Coating agent on surfaces in particular of wood materials, having an average pore size of 0.08 mm to 1 mm and / or a pore density of 1 to 1000 pores / mm 3 , wherein the sponge has the shape of a cuboid with a wedge attached to one side.
  • the invention finally also relates to the use of a sponge having an average pore size of 0.08 mm to 1 mm and / or a pore density of 1 to 1000 pores / mm 3 for applying a coating agent to the surface of a wood material, wherein the coating agent in a shear rate from 0 to 1 s -1 a viscosity 50000-3000 mPa-s, at a shear rate from 1.01 to 100 s 1, a viscosity of 10,000 to 500 mPa-s at a shear rate of 100.01 to 1000 s 1 has a viscosity of 5000 to 50 mPa ⁇ s.
  • Fig. 1 shows a first embodiment of a sponge according to the invention in a perspective view
  • Fig. 2 shows a second embodiment of a sponge according to the invention in a perspective view.
  • Fig. 1 shows a first preferred embodiment of the sponge 1 according to the invention as it can also be used in the system according to the invention.
  • the shape of a parallelepiped with a wedge attached to one side also makes it possible to coat surfaces which have narrow cracks and / or corners or require high precision in the coating.
  • the edges at the top of the sponge 1 a radius 2, in particular of at least 3 mm.
  • the edges of the upper side of the sponge 1 can also have a chamfer, in particular from 20 ° to 70 °, or have neither a radius nor a chamfer.
  • the presence of a radius or chamfer at the top of the sponge 1 makes it easier to effectively coat corners of a surface to be coated.
  • the sponge 1 may, as shown in Figure 1, in particular be symmetrical to a plane which leads through the wedge tip and the center of the opposite surface. As a result, the sponge 1 is suitable for use by both right and left-handed people. In addition, the sponge 1 can be made due to the symmetry with less material scrap.
  • the sponge 1 has a porous structure 3, which is shown schematically enlarged in Fig. 1.
  • Fig. 2 shows a second preferred embodiment of the sponge 11 according to the invention as it can also be used in the system according to the invention.
  • Sponge 11 is essentially identical to sponge 1 of Fig. 1.
  • Like parts are given identical reference numerals.
  • sponge 11 differs from sponge 1 in that sponge 11 has two sides 12a and 12b, which are designed as gripping surfaces. This can, as indicated in Fig. 2, by radii 14, which are arranged on opposite sides, where the wedge is not attached, can be achieved. Alternatively, these gripping surfaces can also be designed convex. Such a configuration facilitates gripping and holding the sponge.
  • the principle of the invention will be explained in more detail below with reference to examples.
  • Sponge A polyurethane sponge with an average pore size of 0.2 to
  • the viscosities of the glazes 1 and 2 were measured using a Bohlin Gemini 150
  • Table 1 shows that with the sponge A opposite the brush 1, a shorter coat time can be achieved with less spatter. At the same time a significantly lower material application can be achieved when applied with the sponge A relative to the brush 1, whereby the surface power of the glaze can be significantly increased. Similarly, the garden stools coated with sponge A showed a homogeneous surface finish, while the brushed garden stools had a partially striped appearance.
  • Example 2 comparative example
  • a garden stool made of pine wood was using glaze 1 using
  • a garden stool made of pine wood was using glaze 1 using
  • the coated garden stool had a stained
  • Example 4 (Comparative Example) A pine garden stool was finished with glaze 2 using

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un système de revêtement de matériaux à base de bois, comprenant une éponge et un agent de revêtement, l'éponge présentant une taille moyenne des pores de 0, 08 mm à 1 mm et/ou une densité des pores de 1 à 1 000 pores/mm3, l'utilisation du système pour le revêtement d'un matériau à base de bois, ainsi qu'un procédé de revêtement de matériaux à base de bois.
EP17811464.1A 2016-11-23 2017-11-20 Système comprenant une éponge et un agent de revêtement Pending EP3544741A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016013953.6A DE102016013953A1 (de) 2016-11-23 2016-11-23 System umfassend einen Schwamm und ein Beschichtungsmittel
PCT/EP2017/079760 WO2018095858A1 (fr) 2016-11-23 2017-11-20 Système comprenant une éponge et un agent de revêtement

Publications (1)

Publication Number Publication Date
EP3544741A1 true EP3544741A1 (fr) 2019-10-02

Family

ID=60629646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17811464.1A Pending EP3544741A1 (fr) 2016-11-23 2017-11-20 Système comprenant une éponge et un agent de revêtement

Country Status (4)

Country Link
EP (1) EP3544741A1 (fr)
DE (1) DE102016013953A1 (fr)
MA (1) MA46883A (fr)
WO (1) WO2018095858A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454343A1 (de) 1974-11-15 1976-05-20 Liebich Max Holzwarenfab Dekorholzplatte und verfahren zur herstellung
US5678277A (en) * 1995-10-03 1997-10-21 Gerhard-Sorenson Corp. Paint edger with improved pad and precision positioning adjustment
DE19640080A1 (de) * 1996-09-28 1998-04-02 Basf Coatings Ag System für die Applikation von schnelltrocknenden Beschichtungsmitteln
DE10208678A1 (de) * 2001-03-09 2002-09-12 Henkel Kgaa Kosmetische Schwämme
EP1371693A3 (fr) * 2002-06-14 2004-01-07 Rohm And Haas Company Revêtements, couches et articles résistants aux dommages et comprenant des nanoparticules réticulées
DE20210979U1 (de) * 2002-07-04 2002-10-17 a & n & a Nord-Süd-Industrie Vertriebs GmbH & Co. KG, 35799 Merenberg Schwamm, insbesondere für Reinigungs- und Scheuerzwecke
DE202008002043U1 (de) * 2008-02-14 2008-04-10 Kalle Gmbh Walzenhülle aus cellulosischem Schwammtuchmaterial
US20120141688A1 (en) * 2010-12-07 2012-06-07 Prince Castle LLC Release Agent Applicator and Method of Using Same
US9180480B1 (en) * 2013-03-19 2015-11-10 Designetics, Inc. Application of substance to protrusion

Also Published As

Publication number Publication date
MA46883A (fr) 2021-04-07
DE102016013953A1 (de) 2018-05-24
WO2018095858A1 (fr) 2018-05-31

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