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WO2011058233A1 - Matériau en bois revêtu, son procédé de fabrication et son utilisation - Google Patents

Matériau en bois revêtu, son procédé de fabrication et son utilisation Download PDF

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Publication number
WO2011058233A1
WO2011058233A1 PCT/FI2010/050925 FI2010050925W WO2011058233A1 WO 2011058233 A1 WO2011058233 A1 WO 2011058233A1 FI 2010050925 W FI2010050925 W FI 2010050925W WO 2011058233 A1 WO2011058233 A1 WO 2011058233A1
Authority
WO
WIPO (PCT)
Prior art keywords
impregnated
wood
wood material
insulating film
pitch
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.)
Ceased
Application number
PCT/FI2010/050925
Other languages
English (en)
Inventor
Anne Nevalainen
Juhani Posti
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.)
Kotkamills Oy
Original Assignee
Kotkamills Oy
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41395233&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2011058233(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kotkamills Oy filed Critical Kotkamills Oy
Publication of WO2011058233A1 publication Critical patent/WO2011058233A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/08—Impregnating

Definitions

  • This invention relates to coated wood material, a manufacturing method of the material in question as well as use of the material or a coating contained by it.
  • the invention particularly relates to providing wood material including pitch with a coating impervious to pitch such that the sticky, poorly-hardening pitch will not disturb the use of the material, especially painting or varnishing the material surface.
  • a solution for the pitch problem is to provide knotty conifer material with a coating impervious to pitch fastened in it.
  • a protective film impregnated with resin fastened by hot curing.
  • Such protectable boards are, inter alia, plywood, chipboard, fibreboard, hardboard and OSB board.
  • the protective film is typically of kraft paper or decor paper which is impregnated with phenol or amino resin and fastened onto a base board at increased pressure and temperature.
  • the purpose of the protective film is to make the material endure mechanical stress, resist moisture penetration and/or remain unchanged in outdoor use.
  • films impregnated with phenolic resin have been fastened onto building boards as a painting base to level the irregularities of the board surface and to provide a good adherence base for paint. For paintablity, the resin content of the painting bases is still lower than that of impregnated protective films, and their outdoor use is limited to the coating of good-quality birch plywood.
  • An example of said known board coating technique is specification FI20050172 which describes a coating intended for plywood or chipboard which is based on kraft paper impregnated with a resin compound. Particularly to solve a discolouration problem related to phenolic resin, the specification depicts the pigmentation of the resin compound and the colour printing of the kraft paper with a light, well-covering printing ink.
  • the use of an impregnated film as an insulating film preventing pitch penetration is not described in the specification nor is its description known by the applicant anywhere else in prior art.
  • pitch is not a problem in boards manufactured of chips and other such particle-formed material by gluing and pressing, such as chip or fibreboards, nor in hardwood- based materials in which the chemical composition of pitch (extractives) is different from the one of conifers.
  • Conifer materials and especially conifer wood including knots, in which pitch is a problem, are not mentioned at all in said specification FI20050172.
  • a specific solution for the problem of pitch penetrating out of knots in conifer wood is that the wood material being knotty conifer wood is provided with a fibre-based insulating film impervious to pitch, impregnated with amino resin, which is fastened onto the surface of the material by hot curing.
  • Those conifers which the pitch problem concerns are particularly the wood species of the genera picea, pinus, larix and pseudotsuga. Scandinavian examples of these are spruce ⁇ picea abies) and pine ⁇ pinus sylvestris).
  • the coating according to the invention prevents the exudation of pitch through a coat of paint or varnish besides at the points of knots but also at pitch pockets, which exist in conifer wood outside the knots, and the actual heartwood.
  • the invention is based on observations according to which insulation can be surprisingly provided with a fibre-based film particularly treated with amino resin, which insulation conifer pitch is not able to penetrate onto the material surface and thus damage the painted surfaces of door or window frames and other such demanding targets of usage. According to the observations, an equivalent property is lacking in phenol resins commonly employed in impregnated films.
  • the use of amino resin in the impregnated coatings of building boards is known as such but, as already mentioned, it is not known having earlier used this type of coating as an insulator to prevent pitch penetration.
  • other advantageous properties of the coated wood material according to the invention include good resistance to weather and good mechanical durability. The coating protects the wooden surface from dirtying and makes the surface easily cleanable.
  • the film insulating pitch is preferably impregnated with softened amino resin.
  • Suitable softeners to increase the elasticity of the impregnated film and to prevent the cracking of the coating include caprolactam, ortho-/para-toluene sulphonamide, acetoguanamine, monoethylene glycol, diethylene glycol, polyethylene glycol, polyvinyl alcohol, polyacrylate, acrylic resin or phenol-formaldehyde resin.
  • Suitable aminoresins include melamine-formaldehyde resin and urea- formaldehyde resin and their mixtures. Melamine-formaldehyde resin is advantageous in outdoor use and urea-formaldehyde resin in indoor use.
  • the fraction of amino resin in the impregnation mixture can be e.g. about 60-95% by weight and the fraction of softener about 5-40% by weight.
  • the insulating film impregnated with amino resin of the material according to the invention can as such form a material surface which can be painted with water- dilutable paint or be varnished.
  • a colourless transparent impregnated film is particularly suitable for a surface to be varnished, and wood pitch cannot penetrate it to prevent the drying of varnish.
  • the impregnated film or varnish can be included with pigment to tint the material surface.
  • the material coating is double-layered.
  • the resin concentrations of the layers can then be different; the resin content of the inner layer operating as the insulator can be higher to prevent pitch penetration while the resin content of the outer layer operating as the painting base is lower to improve the paintability of the surface.
  • the coating layers are fastenable in the wood material at one single hot pressing step in which the impregnation resin of the inner layer operates as the glue fastening the outer layer. Hence, no separate adhesion layer is required between the coating layers impregnated with resin.
  • the content of impregnated amino resin in the coating film fastenable in the wood material is low, whereby the film operates as such as a good painting base.
  • the insulation of pitch is provided by spreading more amino resin onto the film surface coming against the wood material before fastening the film.
  • the spread resin simultaneously operates in hot curing as the glue fastening the film onto the wood material.
  • the wood material coated according to the invention can be solid wood or glue wood, providing which with a coating impregnated with resin is not previously known as far as is known.
  • the wood material coated according to the invention can also be knotty, pitch- containing conifer plywood.
  • solid wood, glue wood as well as plywood are most typically of spruce or pine.
  • Spruce pitch is resols and pine pitch phenolic acid, which both dissolve in phenolic resins but not in amino resins.
  • the film being the pitch insulator is most advantageously paper impregnated with amino resin, such as bleached or unbleached paper manufactured of chemical, chemi-mechanical or mechanical pulp or a pulp mixture.
  • An advantageous example is kraft paper being of sulphate pulp.
  • the film fastened on top of the insulating film as the painting base, preferably impregnated with the same amino resin can consist of thicker kraft paper.
  • the weight of paper used as the insulating film is most preferably between 40-100 g/m 2 and the quantity of amino resin impregnated is between 70-170 g/m 2 .
  • the weight of paper forming the painting base is most preferably between 150-300 g/m 2 and the quantity of amino resin impregnated is between 60-120 g/m 2 .
  • the fraction of resin of the total weight can be above 45% by weight, preferably above 55% by weight and, in the painting base, below 45% by weight, preferably below 35% by weight, respectively.
  • pitch-containing knotty conifer material is provided with a fibre-based insulating film impervious to pitch, impregnated with amino resin, which is fastened onto the wood material surface by hot curing.
  • the various above embodiments related to the coated wood material according to the invention equally apply to the manufacturing method of material according to the invention.
  • the invention also comprises the painting or varnishing or the paintability or varnishability of the surface of wood material coated with a simple impregnated insulating film or double-coated with an insulating film and an impregnated painting base.
  • the intended uses of the invention comprise the use of the above coated conifer material as such, its use as painted or paintable building material or furniture material as well as the use of material in which pitch penetration out of wood onto the outer surface of the material is prevented.
  • the invention includes the use of a fibre-based film impregnated with amino resin and fastened by hot curing as the coating of conifer material to prevent pitch penetration out of wood onto the outer surface of the material.
  • impregnation resin is mixed with quite a small quantity of softener which is included in said gram quantities of resin.
  • Conifer material coated was knotty spruce plywood of the thickness of 9 mm.
  • Plywood was provided with a double-layer coating the inner layer of which consisted of paper, weight 30 g/m 2 , which was impregnated with 47 g/m 2 of phenolic resin, and the outer layer (painting base) of thicker paper, weight 150 g/m 2 , which was impregnated with 64 g/m 2 of phenolic resin.
  • the coating layers were fastened by hot pressing, in which compression was 15 bar, press temperature 135°C and press time 7 min.
  • the coating did not bubble or split between the layers nor did the plywood split. Pitch still penetrated at the points of knots.
  • Conifer material coated was knotty spruce plywood of the thickness of 9 mm according to example 1.
  • Plywood was provided with a double-layer coating the inner layer of which consisted of paper, weight 30 g/m 2 , which was impregnated with 47 g/m 2 of phenolic resin, and the outer layer (painting base) of thicker paper, weight 245 g/m 2 , which was impregnated with 119 g/m 2 of melamine resin.
  • the coating layers were fastened by hot pressing, in which compression was 15 bar, press temperature 135°C and press time 8.5 min.
  • Conifer material coated was knotty spruce plywood of the thickness of 9 mm according to example 1.
  • Plywood was provided with a double-layer coating the inner layer of which consisted of paper, weight 42 g/m 2 , which was impregnated with 75 g/m 2 of amino resin, and the outer layer (painting base) of thicker paper, weight 245 g/m 2 , which was impregnated with 178 g/m 2 of melamine resin.
  • the coating layers were fastened by hot pressing, in which compression was 18 bar, press temperature 135°C and press time 8.5 min.
  • the coating did not bubble or split between the layers nor did the plywood split. Pitch did not penetrate at the points of knots.
  • the coating is non-transparent, and the material is well suited for use as painted.
  • Conifer material coated was knotty spruce plywood of the thickness of 9 mm according to example 1.
  • Plywood was provided with one coating layer which consisted of paper, weight 42 g/m 2 , which was impregnated with 73 g/m 2 of amino resin.
  • the coating was fastened by hot pressing, in which compression was 15 bar, press temperature 135°C and press time 7.5 min.
  • the coating did not bubble or split between the layers nor did the plywood split. Pitch did not penetrate at the points of knots.
  • the coating is transparent, whereby the wood structure remains visible, and the material is well suited for used as varnished or as such.
  • Conifer material coated was a knotty log panel planed of pine.
  • the panel was provided with a double-layer coating the inner layer of which consisted of paper, weight 30 g/m 2 , which was impregnated with 47 g/m 2 of phenolic resin, and the outer layer (painting base) of thicker paper, weight 150 g/m 2 , which was impregnated with 64 g/m 2 of phenolic resin.
  • a series of tests was performed in which the coating layers were fastened by hot pressing, in which compression was each time 14 bar, press temperature varied between 110-180°C and press time varied between 20 s-28 min.
  • the conditions of tests 1-8 are in the following table: Table 1
  • test 1 a single-layer coating consisted of paper, weight 150 g/m 2 , which was impregnated with 160 g/m 2 of amino resin.
  • test 2-4 the inner layer of a double-layer coating consisted of impregnated coating paper according to test 1 and the outer layer of paper, the weight of which was 60 or 100 g/m 2 and which was impregnated with 114 or 170 g/m 2 of amino resin.
  • the coating layers were fastened by hot pressing, in which compression was each time 14 bar, press temperature was each time 130°C, press time in test 1 was 7.5 s and press time in tests 2 and 3 was 9.5 min.
  • the test conditions are compiled in the following table: Table 2
  • test 1 did not bubble or split between the layers.
  • test 2 little pitch exuded at the points of knots.
  • tests 2-4 no pitch penetration occurred.
  • the materials of tests 2-4 are particularly well suited for use as such, even though varnishing or painting them is also possible.
  • Conifer material coated was glue wood of pine used for window frames.
  • Glue wood was provided with a double-layer coating the inner layer of which consisted of paper, weight 42 g/m 2 , which was impregnated with 75 g/m 2 of amino resin, and the outer layer (painting base) of thicker paper, weight 245 g/m 2 , which was impregnated with 178 g/m 2 of melamine resin.
  • the coating layers were fastened by hot pressing, in which compression was 15 bar, press temperature 135°C and press time 8.5 min. The coating did not bubble or split between the layers. Pitch did not penetrate at the points of knots.
  • Coated glue wood according to example 7 was kept in a temperature cabinet in the temperature of 80°C for a week. Then, the sample was immersed in water at room temperature for 24 hours. Finally, the sample was again kept in the temperature cabinet in 80°C for a week. No cracks were formed in the sample during the test. Paint tests
  • Coated glue wood according to example 7 was painted once from both sides with water-dilutable paint (Aquatop 2600, marketed by Teknos Oy). The adhesion of paint in the wood was discovered to be good.
  • a cold check was preformed for the painted wood with the following cycle: (a) 6 h of water immersion in the temperature of 23°C, (b) 16 h in a freezer in the temperature of -18°C, and (c) 24 h in an oven in the temperature of 60°C.
  • the cycle (steps a-c) was repeated for the test sample for 10 times. In the test, the paint adhered well in the wood, and the test did not otherwise damage the wood detectably.
  • a 1 ,000-h climate chamber test was performed for the painted wood with repeating the cycle: (a) 102 min of heating with a lamp imitating the spectrum of light with the rating of 0.40 W/m 2 , due to exposure, surface temperature of pieces 60°C, air temperature 40°C, relative humidity 65%; (b) 18 min of irrigation with cold tap water, (c) air blowing in the temperature of 50°C, (d) returning to step (a).
  • the 1 ,000-h climate chamber test is evaluated to correspond the actual exposure to weather for about 5 years, except for frost periods. In the test, the paint adhered well in the wood, and the test did not otherwise damage the wood detectably.
  • the coated glue wood according to the invention wears well stresses due to weather and changes due to varying moisture when painted.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un matériau en bois revêtu, son procédé de fabrication et son utilisation. Pour permettre l'utilisation d'un matériau en bois de conifère noueux contenant de l'oléorésine, le matériau est muni d'un film isolant, à base de fibres, qui est imperméable à l'oléorésine, imprégné de résine aminée et fixé par durcissement à chaud sur la surface du matériau. La résine aminée, qui peut être de la résine mélamine-formaldéhyde ou de la résine urée-formaldéhyde, ou leur mélange, est mélangée avec un plastifiant. Le film isolant peut servir de revêtement monocouche dont la surface peut être peinte avec une peinture pouvant être diluée à l'eau ou peut être vernie. En variante, il est possible de former un revêtement à deux couches dans lequel, sur le film isolant imprégné de résine aminée, est fixée une base de peinture imprégnée de résine aminée dont la teneur en résine est plus faible.
PCT/FI2010/050925 2009-11-16 2010-11-16 Matériau en bois revêtu, son procédé de fabrication et son utilisation Ceased WO2011058233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20096186A FI124997B (fi) 2009-11-16 2009-11-16 Pinnoitettu puumateriaali, sen valmistusmenetelmä sekä käyttö
FI20096186 2009-11-16

Publications (1)

Publication Number Publication Date
WO2011058233A1 true WO2011058233A1 (fr) 2011-05-19

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PCT/FI2010/050925 Ceased WO2011058233A1 (fr) 2009-11-16 2010-11-16 Matériau en bois revêtu, son procédé de fabrication et son utilisation

Country Status (2)

Country Link
FI (1) FI124997B (fr)
WO (1) WO2011058233A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018034614A1 (fr) * 2016-08-18 2018-02-22 Välinge Innovation AB Procédé de revêtement d'un panneau de construction et panneau de construction revêtu correspondant
US10442164B2 (en) 2013-11-27 2019-10-15 Valinge Innovation Ab Floor, wall, or ceiling panel and method for producing same
US10828881B2 (en) 2016-04-25 2020-11-10 Valinge Innovation Ab Veneered element and method of producing such a veneered element
CN112192677A (zh) * 2019-07-08 2021-01-08 康利源科技（天津）股份有限公司 一种电工层压木板的制作方法
US10926509B2 (en) 2013-11-27 2021-02-23 Valinge Innovation Ab Floorboard
US10981362B2 (en) 2018-01-11 2021-04-20 Valinge Innovation Ab Method to produce a veneered element
US10988941B2 (en) 2014-01-10 2021-04-27 Valinge Innovation Ab Method of producing a veneered element
US11072156B2 (en) 2013-11-27 2021-07-27 Valinge Innovation Ab Method for producing a floorboard
CN113442451A (zh) * 2021-05-18 2021-09-28 李云林 一种用于红木护栏扶杆的油漆防护膜贴合装置
US11167533B2 (en) 2018-01-11 2021-11-09 Valinge Innovation Ab Method to produce a veneered element and a veneered element
CN114083633A (zh) * 2021-04-19 2022-02-25 浙江中信红木家具有限公司 一种水性漆处理木质家具的养生工艺
US11313123B2 (en) 2015-06-16 2022-04-26 Valinge Innovation Ab Method of forming a building panel or surface element and such a building panel and surface element
US11597187B2 (en) 2019-01-09 2023-03-07 Valinge Innovation Ab Method to produce a veneer element and a veneer element

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GB480316A (en) * 1936-08-17 1938-02-17 Chem Ind Basel Application of formaldehyde-aminotriazine condensation products as binding agents
US3551272A (en) * 1967-05-09 1970-12-29 Monsanto Co Paper overlays and laminated materials
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US4541880A (en) * 1983-09-09 1985-09-17 Crown Forest Industries Limited Method of making overlaid plywood
US5116446A (en) * 1988-05-18 1992-05-26 Contact Lumber Company Method of making a paper overlaid structure
US6737155B1 (en) * 1999-12-08 2004-05-18 Ou Nian-Hua Paper overlaid wood board and method of making the same
US20050069698A1 (en) * 2003-09-26 2005-03-31 Eubanks Eurell Thomas Methods of blocking stains on a substrate to be painted, and composites suitable for use in such methods
JP2009101571A (ja) * 2007-10-23 2009-05-14 Sumitomo Forestry Co Ltd 床材

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Publication number Priority date Publication date Assignee Title
GB480316A (en) * 1936-08-17 1938-02-17 Chem Ind Basel Application of formaldehyde-aminotriazine condensation products as binding agents
US3551272A (en) * 1967-05-09 1970-12-29 Monsanto Co Paper overlays and laminated materials
GB1406185A (en) * 1972-07-11 1975-09-17 Goldschmidt Ag Th Method of producing a paper sheet material for application to a wood material panel and provided with an adhesive coating on the back
US3879320A (en) * 1973-10-10 1975-04-22 Sherwin Williams Co Polymeric compositions
GB1462499A (en) * 1973-10-10 1977-01-26 Goldschmidt Ag Th Process for the manufacture of carrier webs impregnated and coated with curable synthetic resins for surface finishing purposes
US4541880A (en) * 1983-09-09 1985-09-17 Crown Forest Industries Limited Method of making overlaid plywood
US5116446A (en) * 1988-05-18 1992-05-26 Contact Lumber Company Method of making a paper overlaid structure
US6737155B1 (en) * 1999-12-08 2004-05-18 Ou Nian-Hua Paper overlaid wood board and method of making the same
US20050069698A1 (en) * 2003-09-26 2005-03-31 Eubanks Eurell Thomas Methods of blocking stains on a substrate to be painted, and composites suitable for use in such methods
JP2009101571A (ja) * 2007-10-23 2009-05-14 Sumitomo Forestry Co Ltd 床材

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11072156B2 (en) 2013-11-27 2021-07-27 Valinge Innovation Ab Method for producing a floorboard
US10442164B2 (en) 2013-11-27 2019-10-15 Valinge Innovation Ab Floor, wall, or ceiling panel and method for producing same
US11485126B2 (en) 2013-11-27 2022-11-01 Valinge Innovation Ab Method for producing a floorboard
US10857765B2 (en) 2013-11-27 2020-12-08 Valinge Innovation Ab Floor, wall, or ceiling panel and method for producing same
US12103273B2 (en) 2013-11-27 2024-10-01 Välinge Innovation AB Floor, wall, or ceiling panel and method for producing same
US10926509B2 (en) 2013-11-27 2021-02-23 Valinge Innovation Ab Floorboard
US12454123B2 (en) 2014-01-10 2025-10-28 Välinge Innovation AB Method of producing a veneered element
US10988941B2 (en) 2014-01-10 2021-04-27 Valinge Innovation Ab Method of producing a veneered element
US12454122B2 (en) 2014-01-10 2025-10-28 Välinge Innovation AB Wood fibre based panel with a surface layer
US11890847B2 (en) 2014-01-10 2024-02-06 Välinge Innovation AB Method of producing a veneered element
US11318726B2 (en) 2014-01-10 2022-05-03 Valinge Innovation Ab Wood fibre based panel with a surface layer
US11370209B2 (en) 2014-01-10 2022-06-28 Valinge Innovation Ab Method of producing a veneered element
US11313123B2 (en) 2015-06-16 2022-04-26 Valinge Innovation Ab Method of forming a building panel or surface element and such a building panel and surface element
US11904588B2 (en) 2016-04-25 2024-02-20 Välinge Innovation AB Veneered element and method of producing such a veneered element
US10828881B2 (en) 2016-04-25 2020-11-10 Valinge Innovation Ab Veneered element and method of producing such a veneered element
WO2018034614A1 (fr) * 2016-08-18 2018-02-22 Välinge Innovation AB Procédé de revêtement d'un panneau de construction et panneau de construction revêtu correspondant
US10981362B2 (en) 2018-01-11 2021-04-20 Valinge Innovation Ab Method to produce a veneered element
US11738540B2 (en) 2018-01-11 2023-08-29 Välinge Innovation AB Method to produce a veneered element and a veneered element
US11850829B2 (en) 2018-01-11 2023-12-26 Välinge Innovation AB Method to produce a veneered element and a veneered element
US11167533B2 (en) 2018-01-11 2021-11-09 Valinge Innovation Ab Method to produce a veneered element and a veneered element
US11597187B2 (en) 2019-01-09 2023-03-07 Valinge Innovation Ab Method to produce a veneer element and a veneer element
US11975508B2 (en) 2019-01-09 2024-05-07 Välinge Innovation AB Method to produce a veneer element and a veneer element
CN112192677A (zh) * 2019-07-08 2021-01-08 康利源科技（天津）股份有限公司 一种电工层压木板的制作方法
CN114083633A (zh) * 2021-04-19 2022-02-25 浙江中信红木家具有限公司 一种水性漆处理木质家具的养生工艺
CN113442451A (zh) * 2021-05-18 2021-09-28 李云林 一种用于红木护栏扶杆的油漆防护膜贴合装置

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