CN108858632B - Cold pressing and siloxane modified cold pressing wood grain process and pure-color veneer-free open paint wooden door - Google Patents
Cold pressing and siloxane modified cold pressing wood grain process and pure-color veneer-free open paint wooden door Download PDFInfo
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- CN108858632B CN108858632B CN201810556633.9A CN201810556633A CN108858632B CN 108858632 B CN108858632 B CN 108858632B CN 201810556633 A CN201810556633 A CN 201810556633A CN 108858632 B CN108858632 B CN 108858632B
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- Prior art keywords
- wood
- cold pressing
- cold
- grain process
- flour
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
-
- 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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
-
- 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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/02—Designs imitating natural patterns wood grain effects
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- 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
- B27K2200/00—Wooden materials to be treated
- B27K2200/15—Pretreated particles or fibres
Abstract
The invention belongs to the field of wood industry, and discloses a cold pressing and siloxane modified cold pressing wood grain process, which comprises the following steps of: spraying a silane coupling agent on the surface of wood powder, then treating the wood powder in a solution containing 5 wt% of NaOH, rinsing and drying; step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water; and step 3: and (3) spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the fiberboard treated in the step (1) by adopting a steel template carved with real concave-convex textures of the wood. The invention aims to provide a cold pressing and siloxane modified cold pressing wood grain process and a pure-color veneer-free open-painted wooden door.
Description
Technical Field
The invention relates to the field of wood industry, in particular to a cold pressing and siloxane modified cold pressing wood grain process and a pure-color veneer-free open paint wood door.
Background
CN201210005702.X discloses a method for producing a highly-simulated three-dimensional wood grain artificial board, which uses a template which is concave-convex in synchronization with wood grain printing to make substrate embossing and printed wood grain have the same concave-convex structure, so that the three-dimensional effect of a finished product and the printed wood grain effect are synchronously combined, and the simulation degree of the finished board product is highly uniform with the real wood grain and stereoscopic impression.
The wood grain can be prepared by cold pressing with the method.
But the texture fineness and wear resistance of wood doors by cold pressing still need to be improved.
Disclosure of Invention
The invention aims to provide a cold pressing and siloxane modified cold pressing wood grain process and a pure-color veneer-free open-painted wooden door.
The specific scheme of the invention is as follows: a cold pressing and siloxane modified cold pressing wood grain process comprises the following steps:
step 1: spraying a silane coupling agent on the surface of wood powder, then treating the wood powder in a solution containing 5 wt% of NaOH, rinsing and drying;
step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water;
and step 3: and (3) spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the fiberboard treated in the step (1) by adopting a steel template carved with real concave-convex textures of the wood.
In the cold pressing and siloxane modified cold pressing wood grain process, the cold pressing pressure in the step 2 is 10-20 MPa; the cold pressing time is 10-15 min.
In the cold pressing and siloxane modified cold pressing wood grain process, the silane coupling agent is one of vinyl triethoxysilane, vinyl trimethoxysilane and vinyl tri (beta-methoxyethoxy) silane.
In the cold pressing and siloxane modified cold pressing wood grain process, the weight ratio of the wood powder to the methyl methacrylate is 100: 3-5.
In the cold-pressing and siloxane-modified cold-pressing wood grain process described above, the initiator is used in an amount corresponding to 1-3% by weight of the methyl methacrylate.
In the cold pressing and siloxane modified cold pressing wood grain process, the amount of wood flour in step 3 is 4-6 g/square meter.
In the cold pressing and siloxane modified cold pressing wood grain process, the grain size of the wood flour is 0.5-1 mm.
Meanwhile, the invention also discloses a pure-color wood-skin-free open paint wooden door which comprises a door blank and the fiberboard arranged on the surface of the door blank.
In the pure-color veneer-free open paint wooden door, the side surface of the door blank is provided with the edge sealing.
The invention has the beneficial effects that:
the modified wood powder is matched with the fiber board, the wood powder can be more delicate in the texture details through the cold pressing process, and the wood powder and the fiber board have high bonding strength and can resist the external friction force.
Detailed Description
The invention will now be further described with reference to the following examples, which are not to be construed as limiting the invention in any way, and any limited number of modifications which can be made within the scope of the claims of the invention are still within the scope of the claims of the invention.
Unless otherwise specified, the amounts used in the examples and comparative examples are in parts by weight or percentages by weight.
Example 1:
the utility model provides a wood skin open lacquer timber is exempted from to pure colour, includes door embryo and the fibreboard of setting on door embryo surface, the side of door embryo be equipped with the banding.
The preparation process of the fiberboard comprises the following steps:
step 1: spraying vinyl triethoxysilane on the surface of wood flour (with an average particle size of 800 microns), treating the wood flour in a solution containing 5 wt% of NaOH, rinsing and drying; the amount of vinyltriethoxysilane sprayed may be as much as or less than 10% by weight of the wood flour, generally, 8% in this example.
Step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water; the ratio of wood powder to water is in the range of 1:3-1:5, the ratio is 1:4 in the embodiment, and every 100g of wood powder is mixed with 4g of methyl methacrylate and 0.08g of ammonium persulfate;
and step 3: and (3) spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the fiberboard treated in the step (1) by adopting a steel template carved with real concave-convex textures of the wood. 5g of modified wood flour per 1 square meter of fiberboard was used; the cold pressing pressure is 15MPa, and the cold pressing time is 12 min.
Example 2:
the utility model provides a wood skin open lacquer timber is exempted from to pure colour, includes door embryo and the fibreboard of setting on door embryo surface, the side of door embryo be equipped with the banding.
The preparation process of the fiberboard comprises the following steps:
step 1: spraying vinyl trimethoxy silane on the surface of wood powder (with the average particle size of 900 micrometers), then treating the wood powder in a solution containing 5 wt% of NaOH, and rinsing and drying; the weight of the vinyltrimethoxysilane is 7 percent of that of the wood powder.
Step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water; wherein the ratio of wood powder to water is 1:3, and every 100g of wood powder is mixed with 5g of methyl methacrylate and 0.08g of potassium persulfate;
and step 3: and (3) spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the fiberboard treated in the step (1) by adopting a steel template carved with real concave-convex textures of the wood. 5g of modified wood flour per 1 square meter of fiberboard was used; the cold pressing pressure is 10MPa, and the cold pressing time is 15 min.
Example 3:
the utility model provides a wood skin open lacquer timber is exempted from to pure colour, includes door embryo and the fibreboard of setting on door embryo surface, the side of door embryo be equipped with the banding.
The preparation process of the fiberboard comprises the following steps:
step 1: spraying vinyl trimethoxy silane on the surface of wood powder (with the average particle size of 600 microns), then treating the wood powder in a solution containing 5 wt% of NaOH, and rinsing and drying; the weight of the vinyltrimethoxysilane is 6 percent of that of the wood powder.
Step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water; wherein the ratio of wood powder to water is 1:5, and every 100g of wood powder is mixed with 3g of methyl methacrylate and 0.08g of potassium persulfate;
and step 3: and (3) spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the fiberboard treated in the step (1) by adopting a steel template carved with real concave-convex textures of the wood. 4g of modified wood flour per 1 square meter of fiberboard was used; the cold pressing pressure is 20MPa, and the cold pressing time is 10 min.
Application performance testing
The product of the embodiment 1 is used as a test sample, and a cold-pressed wood grain door plate on the purchase market is used as a comparison sample, so that the wood grain textures are similar; taking No. 2 sand paper as a friction material, placing a 1 kg-weight steel plate on the surface of the No. 2 sand paper, and then reciprocating the surface of the sample for 10min at the speed of 0.5 m/s;
the degree of disappearance of the grain was tested.
The texture of the comparative sample on the friction path basically disappears after the test, and a rough surface is formed.
The texture of the test sample on the friction path is basically maintained after testing, and a small amount of texture disappears.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. A cold pressing and siloxane modified cold pressing wood grain process is characterized by comprising the following steps:
step 1: spraying a silane coupling agent on the surface of wood powder, then treating the wood powder in a solution containing 5 wt% of NaOH, rinsing and drying;
step 2: placing the wood flour treated in the step 1 into an aqueous solution, simultaneously dropwise adding an initiator and methyl methacrylate to react for a period of time, then placing the wood flour into an N, N-dimethylformamide solution to soak and remove methyl methacrylate polymers on the surface of the wood flour, and then washing the wood flour with water;
and step 3: spreading the washed wood powder on the surface of the fiberboard, and after the wood powder is dried, cold pressing the treated fiberboard by using a steel template carved with real concave-convex textures of the wood;
the silane coupling agent is one of vinyl triethoxysilane, vinyl trimethoxysilane and vinyl tri (beta-methoxyethoxy) silane.
2. The cold pressing and siloxane modified cold pressed wood grain process according to claim 1, wherein the cold pressing pressure in step 3 is 10-20 MPa; the cold pressing time is 10-15 min.
3. The cold pressing and siloxane modified cold pressing wood grain process according to claim 1, wherein the weight ratio of wood flour to methyl methacrylate is 100: 3-5.
4. The cold-pressed and siloxane-modified cold-pressed wood grain process as recited in claim 3 wherein the initiator is used in an amount corresponding to 1-3% by weight of the methyl methacrylate.
5. The cold-pressed and siloxane-modified cold-pressed wood grain process of claim 1, wherein the amount of wood flour used in step 3 is 4-6 g/m.
6. The cold-pressed and siloxane-modified cold-pressed wood grain process of claim 1, wherein the wood flour has a particle size of 0.5-1 mm.
7. A solid-color wood-skin-free open-painted wooden door, which is characterized by comprising a door blank and the fiberboard of any one of claims 1 to 6 arranged on the surface of the door blank.
8. The solid-color wood-skin-free open paint wood door according to claim 7, wherein a side surface of the door blank is provided with a sealing edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556633.9A CN108858632B (en) | 2018-06-01 | 2018-06-01 | Cold pressing and siloxane modified cold pressing wood grain process and pure-color veneer-free open paint wooden door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556633.9A CN108858632B (en) | 2018-06-01 | 2018-06-01 | Cold pressing and siloxane modified cold pressing wood grain process and pure-color veneer-free open paint wooden door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108858632A CN108858632A (en) | 2018-11-23 |
| CN108858632B true CN108858632B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810556633.9A Active CN108858632B (en) | 2018-06-01 | 2018-06-01 | Cold pressing and siloxane modified cold pressing wood grain process and pure-color veneer-free open paint wooden door |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116153A (en) * | 1995-01-26 | 1996-02-07 | 赵善光 | Double layered pressed decorating plate and manufacture of same |
| JPH08290410A (en) * | 1995-04-24 | 1996-11-05 | Mitsubishi Heavy Ind Ltd | Artificial lumber and manufacture thereof |
| CN2372126Y (en) * | 1999-05-19 | 2000-04-05 | 常州威士顿有限公司 | High-performance composite board material |
| CN101613510A (en) * | 2009-07-16 | 2009-12-30 | 浙江大学 | Wood plastic composite and preparation method thereof |
| CN103351513A (en) * | 2013-07-03 | 2013-10-16 | 卜凡华 | Plastic wrapper for building template and preparation method thereof |
| CN103865098A (en) * | 2014-03-21 | 2014-06-18 | 中南林业科技大学 | Preparation method and application of wood plastic composite |
| CN105585830A (en) * | 2016-02-25 | 2016-05-18 | 广州飞胜高分子材料有限公司 | Modified polylactic acid compound 3D printing material with wood property, as well as preparation method and application thereof |
| CN103195224B (en) * | 2012-01-10 | 2016-05-18 | 张殿礼 | High artificial stereo wood grain wood-based plate and production method thereof |
| CN107793675A (en) * | 2017-11-18 | 2018-03-13 | 安徽省万帮新型建材科技有限公司 | A kind of preparation method of wood plastic composite |
-
2018
- 2018-06-01 CN CN201810556633.9A patent/CN108858632B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116153A (en) * | 1995-01-26 | 1996-02-07 | 赵善光 | Double layered pressed decorating plate and manufacture of same |
| JPH08290410A (en) * | 1995-04-24 | 1996-11-05 | Mitsubishi Heavy Ind Ltd | Artificial lumber and manufacture thereof |
| CN2372126Y (en) * | 1999-05-19 | 2000-04-05 | 常州威士顿有限公司 | High-performance composite board material |
| CN101613510A (en) * | 2009-07-16 | 2009-12-30 | 浙江大学 | Wood plastic composite and preparation method thereof |
| CN103195224B (en) * | 2012-01-10 | 2016-05-18 | 张殿礼 | High artificial stereo wood grain wood-based plate and production method thereof |
| CN103351513A (en) * | 2013-07-03 | 2013-10-16 | 卜凡华 | Plastic wrapper for building template and preparation method thereof |
| CN103865098A (en) * | 2014-03-21 | 2014-06-18 | 中南林业科技大学 | Preparation method and application of wood plastic composite |
| CN105585830A (en) * | 2016-02-25 | 2016-05-18 | 广州飞胜高分子材料有限公司 | Modified polylactic acid compound 3D printing material with wood property, as well as preparation method and application thereof |
| CN107793675A (en) * | 2017-11-18 | 2018-03-13 | 安徽省万帮新型建材科技有限公司 | A kind of preparation method of wood plastic composite |
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| CN108858632A (en) | 2018-11-23 |
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