CN1094840C - Method for producing laminate coatings, and laminate coating - Google Patents

Method for producing laminate coatings, and laminate coating Download PDF

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Publication number
CN1094840C
CN1094840C CN99803929.2A CN99803929A CN1094840C CN 1094840 C CN1094840 C CN 1094840C CN 99803929 A CN99803929 A CN 99803929A CN 1094840 C CN1094840 C CN 1094840C
Authority
CN
China
Prior art keywords
facing paper
coating
composite coating
protective layer
carried out
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.)
Expired - Lifetime
Application number
CN99803929.2A
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Chinese (zh)
Other versions
CN1292754A (en
Inventor
迪特尔·德林
安东·奥特
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.)
Zairo Technologies AG
Original Assignee
Kronospan Technical Co Ltd
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Filing date
Publication date
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Application filed by Kronospan Technical Co Ltd filed Critical Kronospan Technical Co Ltd
Publication of CN1292754A publication Critical patent/CN1292754A/en
Application granted granted Critical
Publication of CN1094840C publication Critical patent/CN1094840C/en
Anticipated expiration legal-status Critical
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18Paper- or board-based structures for surface covering
    • D21H27/22Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B44C5/0476Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper with abrasion resistant properties

Abstract

The present invention relates to a method for preparing a composite coating, particularly to for preparing the composite coating of a floor. The floor is provided with decorative paper dipped in amine resin and a protective coating coated on the decorative paper, wherein the protective coating is provided with aluminum oxide particles (emery). When the method is used, the aluminum oxide particles are coated on the wet decorative paper before drying is carried out, and then, pre-drying or pre-condensation is carried out for the processed decorative paper. After the pre-drying is carried out, the protective coating composed of fibrous material which comprises melamine resin is coated on the preprocessed decorative paper. At last, final drying is carried out for the whole composite coating.

Description

The method of the composite coating on preparation floor
The present invention relates to a kind of method for preparing composite coating; described composite coating is applicable to that the floor is also for designing on the floor; described floor has a wear-resisting protective layer that adopts the facing paper and of amino resins dipping covering thereon, and this protective layer has alumina particulate (diamond dust).In addition, the invention still further relates to a kind of like this composite coating.
Known (DE 19508797C1) adopts following method to prepare the wear-resisting composite coating on floor, to the used for decorative paper resin impregnation and after being dried to remaining humidity, coating one has the viscous mixture of wear-resisting mineral particles composition on the visible face of facing paper, this mixture is made up of melmac, cellulose-fiber, diamond dust, additive and water, it is measured and should make that coating layer ranges in thickness is 20 to 50 μ m after reaching the final moisture content degree, then will be dried to the final moisture content degree in another procedure at least through the facing paper that coating is handled.
When adopting this known method, the mixture of coating one deck viscous on melmac dipping and dry paper, this mixture contains aluminium oxide or diamond dust particulate, and above-mentioned substance is to the scuff resistance decisive role of finished product.The diamond dust particulate is evenly distributed on the protective surface that the mixture by viscous constitutes more or less and therefore also is present on the surface of protective layer.
Also known in addition, the preparation method of the composite coating on floor is as follows, upside or visible side at the facing paper that floods with amino resins or melmac are being covered a veneer, and this veneer has aluminium oxide or the diamond dust particulate that plays wear-resisting effect at the upside of the base material that is made of paper.
These two kinds of known method need the independent operation of twice, promptly need independent mixture and this mixture of employing that preparation contains particles of silicon carbide to apply on the one hand, and need to prepare the veneer that is covering separately on the other hand.Thus, these methods are comparatively expensive, thereby not too economical.
The great shortcoming of they another is, punching press steel plate that adopts with the production of machinery composite coating or punching press steel band will be subjected to being positioned at the wearing and tearing of the particles of silicon carbide on composite bed surface, and these wearing and tearing will be easy to cause the composite coating surface of finishing lackluster.So the often finishing or grind of the surface of punching press steel plate that known manufacturing technology is used or the punching press steel band that is made of steel plate is so that eliminate its surperficial passivation.So the life-span of punching press steel plate or punching press steel band is corresponding shorter.
The finishing that stamped steel plate or stamped steel band are carried out not only can cause high processing charges, but also causes the downtime of the forcing press of corresponding equipment, thereby these will cause adverse influence to the economy for preparing wear-resisting composite coating.
The objective of the invention is to than the problem that solves the wear-resisting composite coating on preparation floor so far more economically.
According to the present invention; the implementation of this purpose is as follows; be used to prepare the method for the composite coating on floor; described composite coating has the facing paper and the protective layer that has aluminium oxide (diamond dust) particulate that is covering on facing paper with the amino resins dipping; it is characterized in that; with alumina particulate be coated on still be in before the drying dampness on the facing paper of impregnation process; then the facing paper through above-mentioned processing is carried out predrying or preliminary condensation, predrying back is being covered a protective layer that is made of the fibrous material that contains amino resins and at last integral body is being carried out final drying on pretreated facing paper.
Adopt a fabric nonwoven cloth that contains melmac covering on facing paper according to the present invention as protective layer.
The aluminium oxide or the diamond dust particulate that adopt granule size to be about 125 μ m according to the present invention are coated on the facing paper.
According to the present invention, the gram number that the facing paper of handling through coating is dried every square metre is about 140-150g/m 2
According to the present invention, the coating weight of aluminium oxide unit are is preferably 20g/m 2
According to the present invention, the coating weight of aluminium oxide unit are is preferably 8g/m 2
According to the present invention, can in one procedure, prepare the composite coating that is used for floor or similar applications, realize that wherein the aluminium oxide of composite coating scuff resistance or diamond dust particulate should make unlikely the causing of these particulates be used to prepare machinery or the punching press steel plate of forcing press or the damage of punching press steel band that composite coating adopts in the encapsulation of clad surface.
After adopting the alumina particulate coating, the protective layer that the fibrous material by containing melmac that is covering on the facing paper of impregnation process constitutes is transparent, thereby can clearly see the pattern of facing paper.Owing to when the preparation composite coating, the particle of realizing the final products scuff resistance is covered, even thereby after using the punching press steel plate or punching press steel band of machinery or forcing press for a long time, can not occur the passivation of punching press steel plate or punching press steel band yet and thereby can not cause the composite coating surface quality that processes to worsen yet.
In other words, the surface of the composite coating of the present invention's preparation is transparent, this is because the fabric nonwoven cloth that is covering as the encapsulant of particles of silicon carbide can not change the visibility of facing paper pattern or can not cause adverse influence to it, and can avoid being used to preparing forcing press that composite coating adopts on the other hand or the punching press steel plate or the punching press steel band of other manufacturing machine is worn in advance.
Composite coating of the present invention for example can apposition on glued board or fiberboard, the upside of described fiberboard or glued board and/or downside apply a distortion-free reverse tractive layer in advance respectively.
Example 1:
Be 70g/m to every square of Mick number at first with melmac 2Facing paper carry out dipping bath.Use diamond dust, with 20g/m 2The paper tape of measuring still being in dampness be coated with.Then under the situation of 180 ℃ of temperature, the degree of humidity 15% will be dried in the middle of the paper.
Then covering a fabric nonwoven cloth on paper tape, the grammage of this fabric nonwoven cloth is 80g/m 2, melmac by 80% and 20% length are that the cellulose fibre of 60 μ m constitutes.Then under 180 ℃ of situations, finally be dried to the degree that humidity is 6.0-6.5%.
Adopt macerate that method for preparing becomes temperature be 205 ℃, pressure be 2.5Mpa and punching press time are under 20 seconds the situation through once fast punching press be compressed on the carrier board on high density composite floor.
Characteristic value and its scuff resistance value IP that the composite floor board that adopts aforesaid way to make satisfies European standard EN438 are 10.000.
Example 2:
Is 80g/m with melmac to every square metre gram number 2Facing paper flood, wherein every square metre gram number is 150g/m after the drying of then carrying out 2With alumina particulate with 8g/m 2Measure and be coated on the paper tape that still is in dampness.Under 210 ℃ situation, paper tape is dried to humidity then and is 12% degree.The gram number of following every square metre is 40g/m 2Nonwoven fabric covering thereon, this nonwoven fabric is made of 85% melmac and 15% glass fibre, the length of described glass fibre is 3mm, diameter is 10 μ m.Following process is identical with example 1.

Claims (6)

1. be used to prepare the method for the composite coating on floor; described composite coating has with the facing paper of amino resins dipping and the wear-resisting protective layer that is covering on facing paper; this protective layer has alumina particulate; it is characterized in that; with granular aluminum oxide coated before drying, still be in dampness on the facing paper of impregnation process; then the facing paper through above-mentioned processing is carried out predrying or preliminary condensation, on pretreated facing paper, covering a protective layer that constitutes by the fibrous material that contains amino resins in predrying back and at last integral body is being carried out final drying.
2. in accordance with the method for claim 1, it is characterized in that, adopt the fabric nonwoven cloth that contains melmac covering on facing paper as protective layer.
3. according to claim 1 or 2 described methods, it is characterized in that the aluminium oxide or the diamond dust that adopt granule size to be about 125 μ m are coated on the facing paper.
4. in accordance with the method for claim 1, it is characterized in that the gram number that the facing paper of handling through coating is dried every square metre is about 140-150g/m 2
5. in accordance with the method for claim 1, it is characterized in that, with 20g/m 2Measure the coating aluminium oxide.
6. in accordance with the method for claim 1, it is characterized in that, with 8g/m 2Measure the coating aluminium oxide.
CN99803929.2A 1999-01-26 1999-01-26 Method for producing laminate coatings, and laminate coating Expired - Lifetime CN1094840C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1999/000606 WO2000044576A1 (en) 1999-01-26 1999-01-26 Method for producing laminate coatings, and laminate coating

Publications (2)

Publication Number Publication Date
CN1292754A CN1292754A (en) 2001-04-25
CN1094840C true CN1094840C (en) 2002-11-27

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EP (1) EP1068083B1 (en)
CN (1) CN1094840C (en)
AT (1) ATE251551T1 (en)
AU (1) AU2830799A (en)
CZ (1) CZ300493B6 (en)
DE (1) DE59907294D1 (en)
DK (1) DK1068083T3 (en)
ES (1) ES2205781T3 (en)
HK (1) HK1035168A1 (en)
PL (1) PL188357B1 (en)
RU (1) RU2213668C2 (en)
SI (1) SI1068083T1 (en)
SK (1) SK285185B6 (en)
WO (1) WO2000044576A1 (en)

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DK1068083T3 (en) 2004-01-26
PL343240A1 (en) 2001-07-30
SK285185B6 (en) 2006-08-03
AU2830799A (en) 2000-08-18
WO2000044576A1 (en) 2000-08-03
EP1068083B1 (en) 2003-10-08
DE59907294D1 (en) 2003-11-13
CN1292754A (en) 2001-04-25
HK1035168A1 (en) 2001-11-16
EP1068083A1 (en) 2001-01-17
ATE251551T1 (en) 2003-10-15
PL188357B1 (en) 2005-01-31
RU2213668C2 (en) 2003-10-10
CZ300493B6 (en) 2009-06-03
SK14012000A3 (en) 2001-06-11
SI1068083T1 (en) 2004-02-29
ES2205781T3 (en) 2004-05-01
CZ20003383A3 (en) 2001-03-14

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