CN111070957A - Sanding-free decorative pattern veneer processing technology - Google Patents
Sanding-free decorative pattern veneer processing technology Download PDFInfo
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- CN111070957A CN111070957A CN201910253226.5A CN201910253226A CN111070957A CN 111070957 A CN111070957 A CN 111070957A CN 201910253226 A CN201910253226 A CN 201910253226A CN 111070957 A CN111070957 A CN 111070957A
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- varnish
- pattern
- patterned paper
- veneer
- paper
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- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 239000004972 Polyurethane varnish Substances 0.000 claims abstract description 36
- 239000003292 glue Substances 0.000 claims abstract description 31
- 150000007974 melamines Chemical class 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000007598 dipping method Methods 0.000 claims abstract description 14
- 238000007731 hot pressing Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000007761 roller coating Methods 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 5
- 239000002966 varnish Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims description 18
- 239000003973 paint Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010022 rotary screen printing Methods 0.000 claims description 4
- 238000007766 curtain coating Methods 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 15
- 229920000877 Melamine resin Polymers 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a processing technology of a pattern veneer without sanding, which comprises the following steps: the method comprises the following steps: selecting pattern paper, printing a pattern on the surface of the pattern paper, and dipping the modified melamine glue into the pattern paper; step two: selecting a base material, placing the patterned paper soaked with the modified melamine glue on the surface of the base material, and carrying out hot pressing; step three: roller-coating a layer of transparent PU varnish on the surface of the patterned paper veneer; step four: sanding the surface of the PU varnish by using a 400-mesh abrasive belt; step five: and (4) coating a layer of high-gloss UV varnish on the surface of the PU varnish to form a finished product. According to the processing technology of the sanding-free decorative pattern panel, the pattern texture, the dipping technology, the hot pressing technology, the advanced UV coating technology and the like are organically combined, surface paper is not needed, the definition of patterns is greatly improved, the processing cost is reduced, the performance of the product is improved, continuous production can be realized, the adhesion between layers of plates is good, the abrasion and scratch resistance is realized, and the hardness is high.
Description
Technical Field
The invention relates to the technical field of decorative plates, in particular to a processing technology of a pattern veneer without sanding.
Background
The decorative board is a surface material for indoor or furniture manufacture, which is formed by cutting natural wood or scientific wood into thin slices with certain thickness, adhering the thin slices to the surface of a plywood and then hot-pressing, wherein the surface of the decorative board has natural and irregular texture and patterns, and meanwhile, the decorative board has higher integral hardness and is not easy to deform.
Present decorative board need add a top layer paper on checkered paper when hot pressing, the effect of this top layer paper is the wearing and tearing of the decorative pattern texture of preventing the later process man-hour, prevent that panel warp, need also press the top layer paper of a same weight at the back simultaneously, in order to keep the balance of panel, the degree of difficulty is increaseed when pressing the top layer paper, make the definition of checkered paper reduce after pressing the subsides, so add the top layer paper and reduce the performance of product to some extent, the cost also increases to some extent simultaneously, be not convenient for produce.
Disclosure of Invention
The invention aims to provide a processing technology of a decorative panel without sanding patterns, and aims to solve the problems that the difficulty of pressing and pasting surface paper of the traditional decorative panel is increased, the definition of the pattern paper is reduced after pressing and pasting, the performance of a product is reduced by adding the surface paper, the cost is increased, and the production is inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: a sanding-free decorative pattern panel processing technology comprises the following steps:
the method comprises the following steps: selecting patterned paper, printing a patterned pattern on the surface of the patterned paper by rotary screen printing, selecting wood grains, stone grains or artistic grains as the pattern of the patterned paper, dipping the modified melamine glue into the patterned paper by a glue dipping production line, roll coating after dipping, and drying the modified melamine glue to a proper degree by hot air;
step two: selecting a base material, then placing the patterned paper soaked with the modified melamine glue on the surface of the base material, putting the base material into a hot press, applying pressure and heating by the hot press, acting for a period of time to melt the modified melamine glue, and performing a three-dimensional crosslinking reaction under the action of high temperature to finally form a patterned paper veneer with high hardness and smooth surface;
step three: performing appearance inspection on the patterned paper veneer in the step two, removing existing small flaws and dirt on the surface, putting the patterned paper veneer into a roller coater, roller-coating a layer of transparent PU varnish on the surface of the patterned paper veneer, and drying;
step four: after the PU varnish is dried, sanding the surface of the PU varnish by using a 400-mesh abrasive belt, and raising the surface of the PU varnish through the abrasive belt to enhance the adhesive force of subsequent paint coating;
step five: and (3) processing on a UV ray, spraying a layer of high-gloss UV varnish on the surface of the PU varnish, and performing UV light rapid curing to form a paint layer with high hardness, high gloss and high flatness to form a finished product.
Preferably, the unit weight of the patterned paper in the step one is 75-90 g, and the using amount of the modified melamine glue is about 130%.
Preferably, the base material in the second step is artificial boards such as particle boards, medium density boards, multilayer boards and the like.
Preferably, the pressure range applied by the hot press to the patterned paper and the base material soaked with the modified melamine glue in the second step is controlled to be 1.7-2.0 MPa, the temperature is controlled to be about 180-190 ℃, and the hot pressing time is 25-45 seconds.
Preferably, the PU varnish in the third step adopts a drying mode of placing the PU varnish for drying or placing the PU varnish into a drying room for heating for drying, and the total dosage of the PU varnish is about 50-70 g/square meter.
Preferably, the curtain coating amount of the UV paint is 60-150 g per square meter.
Compared with the prior art, the invention has the beneficial effects that: this exempt from sand milling decorative pattern decorative board processing technology, several items such as decorative pattern texture, impregnation process, hot pressing technology and advanced UV application technology combine organically, choose for use better grain, stone grain or artistic texture in the decoration trade as the pattern of decorative pattern paper, print the decorative pattern paper surface through the rotary screen, make the exempt from sand milling decorative board that processes out have the decorative pattern texture, there is good adhesive force between modified melamine glue and the PU lacquer that use, carry out the hot pressing to impregnated decorative pattern paper and substrate through the hot press, need not to use top paper, the definition of decorative pattern has greatly improved, improve the performance of product when reducing the processing cost, UV lacquer is with ultraviolet curing, curing time is very short, but continuous production, adhesive force is good between each layer panel, wear-resisting scratch, the hardness is high.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a sanding-free decorative pattern panel processing technology comprises the following steps:
the method comprises the following steps: selecting patterned paper, printing a patterned pattern on the surface of the patterned paper by rotary screen printing, selecting wood grains, stone grains or artistic grains as the pattern of the patterned paper, dipping the modified melamine glue into the patterned paper by a glue dipping production line, roll coating after dipping, and drying the modified melamine glue to a proper degree by hot air;
step two: selecting a base material, then placing the patterned paper soaked with the modified melamine glue on the surface of the base material, putting the base material into a hot press, applying pressure and heating by the hot press, acting for a period of time to melt the modified melamine glue, and performing a three-dimensional crosslinking reaction under the action of high temperature to finally form a patterned paper veneer with high hardness and smooth surface;
step three: performing appearance inspection on the patterned paper veneer in the step two, removing existing small flaws and dirt on the surface, putting the patterned paper veneer into a roller coater, roller-coating a layer of transparent PU varnish on the surface of the patterned paper veneer, and drying;
step four: after the PU varnish is dried, sanding the surface of the PU varnish by using a 400-mesh abrasive belt, and raising the surface of the PU varnish through the abrasive belt to enhance the adhesive force of subsequent paint coating;
step five: and (3) spraying a layer of high-gloss UV varnish on the surface of the PU varnish through UV ray processing, and performing UV light rapid curing to form a paint layer with high hardness, high gloss and high flatness to form a finished product.
Further, the unit weight of the patterned paper in the step one is 75-90 g, the amount of the modified melamine glue is about 130%, and the melamine glue is dried by hot air, so that the melamine glue cannot be adhered when stacked, and undesirable conditions such as dry flowers and wet flowers cannot occur when the base material is faced.
Furthermore, artificial boards such as shaving boards, medium density boards and multilayer boards are selected as the base materials for the base materials in the step two, and the shaving boards, the medium density boards and the multilayer boards are uniform in structure material, good in processability, good in elasticity and toughness and high in strength.
Furthermore, in the second step, the pressure applied by the hot press to the patterned paper and the base material soaked in the modified melamine glue is controlled within the range of 1.7-2.0 MPa, the temperature is controlled within the range of 180-190 ℃, the hot pressing time is 25-45 seconds, the traditional processing technology is changed, transparent surface paper is not needed, the processing cost is reduced, and the definition of the pattern texture on the surface of the sanding-free patterned paper layer 2 is improved.
Furthermore, in the third step, the PU varnish adopts a drying mode of placing the PU varnish for drying or placing the PU varnish into a drying room for heating and drying, the total dosage of the PU varnish is about 50-70 g/square meter, and the PU varnish has excellent ageing resistance and corrosion resistance, resistance to corrosive atmospheric environment, good finish degree and good acid and alkali resistance.
Further, the spraying amount of the UV paint is 60-150 g/square meter, the UV paint is ultraviolet curing paint, and is automatically coated on a plate surface by roller coating and spraying through mechanical equipment, an initiator is promoted to decompose under the irradiation of ultraviolet light (the wavelength is 320-390 mm), free radicals are generated, a resin reaction is initiated, a film is instantly cured to form, the surface hardness is enhanced, the glossiness and the flatness are improved, meanwhile, the rapid curing is realized, and the production efficiency is accelerated.
The working principle is as follows: firstly, selecting patterned paper, printing a patterned pattern on the surface of the patterned paper through rotary screen printing, selecting wood grains, stone grains or artistic grains as the pattern of the patterned paper, dipping modified melamine glue into the patterned paper through a glue dipping production line, performing roller coating after dipping, and drying the modified melamine glue to a proper degree through hot air; selecting a base material, then placing the patterned paper soaked with the modified melamine glue on the surface of the base material, placing the base material into a hot press, controlling the pressure range to be 1.7-2.0 MPa, controlling the temperature to be about 180-190 ℃, and controlling the hot pressing time to be 25-45 seconds, so that the modified melamine glue is melted, and a three-dimensional crosslinking reaction is carried out under the action of high temperature, and finally, a patterned paper veneer with high hardness and smooth surface is formed; carrying out appearance inspection on the patterned paper veneer, removing existing small flaws and dirt on the surface, then putting the patterned paper veneer into a roller coater, roller-coating a layer of transparent PU varnish on the surface of the patterned paper veneer, and then drying; after the PU varnish is dried, sanding the surface of the PU varnish by using a 400-mesh abrasive belt, and raising the surface of the PU varnish through the abrasive belt to enhance the adhesive force of subsequent paint coating; and (3) processing on a UV ray, spraying a layer of high-gloss UV varnish on the surface of the PU varnish, and performing UV light rapid curing to form a paint layer with high hardness, high gloss and high flatness to form a finished product.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a exempt from sanding decorative pattern decorative board processing technology which characterized in that: the method comprises the following steps:
the method comprises the following steps: selecting patterned paper, printing a patterned pattern on the surface of the patterned paper by rotary screen printing, selecting wood grains, stone grains or artistic grains as the pattern of the patterned paper, dipping the modified melamine glue into the patterned paper by a glue dipping production line, roll coating after dipping, and drying the modified melamine glue to a proper degree by hot air;
step two: selecting a base material, then placing the patterned paper soaked with the modified melamine glue on the surface of the base material, putting the base material into a hot press, applying pressure and heating by the hot press, acting for a period of time to melt the modified melamine glue, and performing a three-dimensional crosslinking reaction under the action of high temperature to finally form a patterned paper veneer with high hardness and smooth surface;
step three: performing appearance inspection on the patterned paper veneer in the step two, removing existing small flaws and dirt on the surface, putting the patterned paper veneer into a roller coater, roller-coating a layer of transparent PU varnish on the surface of the patterned paper veneer, and drying;
step four: after the PU varnish is dried, sanding the surface of the PU varnish by using a 400-mesh abrasive belt, and raising the surface of the PU varnish through the abrasive belt to enhance the adhesive force of subsequent paint coating;
step five: and (3) spraying a layer of high-gloss UV varnish on the surface of the PU varnish through UV ray processing, and performing UV light rapid curing to form a paint layer with high hardness, high gloss and high flatness to form a finished product.
2. The process for manufacturing a pattern veneer without sanding according to claim 1, wherein the process comprises the following steps: the unit weight of the patterned paper in the step one is 75-90 g, and the using amount of the modified melamine glue is about 130%.
3. The process for manufacturing a pattern veneer without sanding according to claim 1, wherein the process comprises the following steps: and the base material in the second step is artificial boards such as a shaving board, a medium density board, a multilayer board and the like.
4. The process for manufacturing a pattern veneer without sanding according to claim 1, wherein the process comprises the following steps: and in the second step, the pressure applied by the hot press to the patterned paper and the base material soaked by the modified melamine glue is controlled within the range of 1.7-2.0 MPa, the temperature is controlled within the range of 180-190 ℃, and the hot pressing time is 25-45 seconds.
5. The process for manufacturing a pattern veneer without sanding according to claim 1, wherein the process comprises the following steps: and in the third step, the PU varnish is dried by placing the PU varnish into a drying room or heating the PU varnish into the drying room, and the total consumption of the PU varnish is about 50-70 g/square meter.
6. The process for manufacturing a pattern veneer without sanding according to claim 1, wherein the process comprises the following steps: the curtain coating amount of the UV paint is 60-150 g per square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253226.5A CN111070957A (en) | 2019-03-29 | 2019-03-29 | Sanding-free decorative pattern veneer processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253226.5A CN111070957A (en) | 2019-03-29 | 2019-03-29 | Sanding-free decorative pattern veneer processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111070957A true CN111070957A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910253226.5A Pending CN111070957A (en) | 2019-03-29 | 2019-03-29 | Sanding-free decorative pattern veneer processing technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475030A (en) * | 2021-12-30 | 2022-05-13 | 扬州市邗江扬子汽车内饰件有限公司 | Processing technology and processing device for three-dimensional touch color leather pattern automobile interior trim panel |
| CN114918116A (en) * | 2022-04-21 | 2022-08-19 | 金华市海日家居用品有限公司 | Processing method of skin-feel veneer |
| CN116330795A (en) * | 2023-03-17 | 2023-06-27 | 金华市海日家居用品有限公司 | A kind of anti-orange decorative panel and its production process |
| CN117301218A (en) * | 2023-03-13 | 2023-12-29 | 金华市海日家居用品有限公司 | A sand-free pattern decorative panel processing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2474951A1 (en) * | 1980-01-31 | 1981-08-07 | Werz Furnier Sperrholz | Coated pressed moulding mfr. - by hot press operation of veneer on curved base element |
| CN101444924A (en) * | 2008-12-29 | 2009-06-03 | 张友全 | A panel decorated by synchronous relief melamine and the method of producing the same |
| CN203611633U (en) * | 2013-06-21 | 2014-05-28 | 金华市海日家居用品有限公司 | Ultraviolet photocuring coating decorative board |
| CN104875248A (en) * | 2015-06-16 | 2015-09-02 | 金华市海日家居用品有限公司 | Technological method of solid-wood UV (ultraviolet) veneer |
| CN204894125U (en) * | 2015-03-24 | 2015-12-23 | 潘建朋 | Novel ecological plate |
| WO2018176130A1 (en) * | 2017-03-27 | 2018-10-04 | Clausi Robert N | Pressable coating system for the production of panel products |
-
2019
- 2019-03-29 CN CN201910253226.5A patent/CN111070957A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2474951A1 (en) * | 1980-01-31 | 1981-08-07 | Werz Furnier Sperrholz | Coated pressed moulding mfr. - by hot press operation of veneer on curved base element |
| CN101444924A (en) * | 2008-12-29 | 2009-06-03 | 张友全 | A panel decorated by synchronous relief melamine and the method of producing the same |
| CN203611633U (en) * | 2013-06-21 | 2014-05-28 | 金华市海日家居用品有限公司 | Ultraviolet photocuring coating decorative board |
| CN204894125U (en) * | 2015-03-24 | 2015-12-23 | 潘建朋 | Novel ecological plate |
| CN104875248A (en) * | 2015-06-16 | 2015-09-02 | 金华市海日家居用品有限公司 | Technological method of solid-wood UV (ultraviolet) veneer |
| WO2018176130A1 (en) * | 2017-03-27 | 2018-10-04 | Clausi Robert N | Pressable coating system for the production of panel products |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475030A (en) * | 2021-12-30 | 2022-05-13 | 扬州市邗江扬子汽车内饰件有限公司 | Processing technology and processing device for three-dimensional touch color leather pattern automobile interior trim panel |
| CN114918116A (en) * | 2022-04-21 | 2022-08-19 | 金华市海日家居用品有限公司 | Processing method of skin-feel veneer |
| CN117301218A (en) * | 2023-03-13 | 2023-12-29 | 金华市海日家居用品有限公司 | A sand-free pattern decorative panel processing technology |
| CN116330795A (en) * | 2023-03-17 | 2023-06-27 | 金华市海日家居用品有限公司 | A kind of anti-orange decorative panel and its production process |
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Application publication date: 20200428 |
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