CN113442254A - Production method of reed shaving board - Google Patents
Production method of reed shaving board Download PDFInfo
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- CN113442254A CN113442254A CN202110060512.7A CN202110060512A CN113442254A CN 113442254 A CN113442254 A CN 113442254A CN 202110060512 A CN202110060512 A CN 202110060512A CN 113442254 A CN113442254 A CN 113442254A
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- reed
- activator
- aqueous solution
- shavings
- production method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- 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
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
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- 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
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
-
- 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
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
-
- 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
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention provides a production method of a reed particle board, belonging to the technical field of plant-based composite material manufacture. The production method of the reed particle board comprises the following steps: removing leaves from reed straws, and then drying to obtain dry reed straws with leaves removed; spraying an aqueous solution of an activating agent on the surface of the dried and defoliated reed stalks, and processing the reed stalks into reed shavings after the aqueous solution of the activating agent is dried by the reed stalks; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves; adding a urea-formaldehyde adhesive into the reed shavings, paving the glued reed shavings into a plate blank, and carrying out hot pressing to obtain the reed shaving board. By adopting the method, the addition amount of the active agent can be reduced and the production cost can be reduced on the premise of using the low-price urea formaldehyde adhesive.
Description
Technical Field
The invention relates to the technical field of plant-based composite material manufacturing, in particular to a production method of a reed particle board.
Background
China is a country with deficient forest resources, and the external dependence of wood exceeds 50 percent. The reed is a tall grass which is aquatic or wet for many years, has developed rhizome and tough stem, has chemical components similar to wood, comprises cellulose, hemicellulose and lignin, and is a high-quality raw material for producing artificial boards. Reed resources in China are rich, and the area reaches 1.3 multiplied by 106hm2The above. At present, reeds in China are mainly used for papermaking, and the problem of serious wastewater pollution exists in the papermaking process. The artificial board is produced by fully utilizing reed stalks to replace wood, so that the problem of environmental pollution caused by reed papermaking can be solved, and the problem of contradiction between supply and demand of wood materials in China can be solved. However, the surface tissue of the reed stem is smooth, and more than 90% of silicified cells and a wax layer of the reed stem are distributed on the surface layer. The surface free energy of the silicified cells and the wax layer is low, the activity is poor, a good gluing result is difficult to obtain by using a urea formaldehyde adhesive (UF), good gluing strength can be obtained by adopting an isocyanate adhesive, but the price of the isocyanate adhesive is 8-10 times that of the urea formaldehyde adhesive, and the production cost is high. The high-bonding-strength reed shaving board prepared by the urea-formaldehyde adhesive needs to be modified by the surfactant. The general modification treatment method is to mix a certain amount of activating agent and adhesive, add the mixture to the processed reed shavings by gluing so as to improve the activity and the gluing performance of the reed shavings, and then prepare the reed particle board by hot-press molding the modified shavings. The method has the advantages that the added amount of the active agent is large, and the production cost of the reed particle board is increased to a certain extent.
Disclosure of Invention
The invention aims to provide a production method of a reed particle board, which can reduce the addition of an active agent and the production cost on the premise of using a low-price urea formaldehyde adhesive.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a production method of a reed particle board, which comprises the following steps:
removing leaves from reed straws, and then drying to obtain dry reed straws with leaves removed;
spraying an aqueous solution of an activating agent on the surface of the dried and defoliated reed stalks, and processing the reed stalks into reed shavings after the aqueous solution of the activating agent is dried by the reed stalks; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves;
adding a urea-formaldehyde adhesive into the reed shavings, paving the glued reed shavings into a plate blank, and carrying out hot pressing to obtain the reed shaving board.
Preferably, the drying temperature is 90-100 ℃, and the reed stems without leaves after drying are in an absolute dry state.
Preferably, when the activating agent aqueous solution is sprayed, the temperature of the dried reed stems with leaves removed is 30-40 ℃.
Preferably, the activator in the aqueous activator solution comprises one or more of fatty acid methyl ester ethoxylate, carboxylic acid and sodium dodecylbenzene sulfonate.
Preferably, the reed stems are turned over while spraying the aqueous solution of the activating agent.
Preferably, the equipment for spraying the aqueous solution of the activator is a spray gun, and the pressure of the spray gun is 0.8 MPa.
Preferably, the particle size of the reed shavings is 20-60 meshes.
Preferably, the glue application amount of the urea-formaldehyde adhesive is 12-13% of the absolute dry weight of the dried reed without leaves.
Preferably, the hot pressing temperature is 160-170 ℃.
Preferably, the hot pressing time is 30-40 s/mm.
The invention provides a production method of a reed particle board, which comprises the following steps: removing leaves from reed straws, and then drying to obtain dry reed straws with leaves removed; spraying an aqueous solution of an activating agent on the surface of the dried and defoliated reed stalks, and processing the reed stalks into reed shavings after the aqueous solution of the activating agent is dried by the reed stalks; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves; adding a urea-formaldehyde adhesive into the reed shavings, paving the glued reed shavings into a plate blank, and carrying out hot pressing to obtain the reed shaving board.
According to the invention, the activator is directly applied to the surface of the reed rod before the preparation of the reed shavings, and compared with the conventional method of adding the activator to the processed reed shavings by gluing after mixing the activator and the adhesive, the method not only can achieve an obvious modification effect, but also can obviously reduce the using amount of the activator, and correspondingly reduce the production cost of the reed shaving board.
Furthermore, the reed stems with leaves removed are dried to be completely dry at 90-100 ℃, certain shrinkage and microcracks are generated on the surfaces of the reed stems, and the activating agent aqueous solution is sprayed when the temperature is kept at 30-40 ℃, so that silicified cells and a wax layer on the surfaces of the reed stems can uniformly absorb the activating agent, and the activating modification effect is improved.
Detailed Description
The invention provides a production method of a reed particle board, which comprises the following steps:
removing leaves from reed straws, and then drying to obtain dry reed straws with leaves removed;
spraying an aqueous solution of an activating agent on the surface of the dried and defoliated reed stalks, and processing the reed stalks into reed shavings after the aqueous solution of the activating agent is dried by the reed stalks; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves;
adding a urea-formaldehyde adhesive into the reed shavings, paving the glued reed shavings into a plate blank, and carrying out hot pressing to obtain the reed shaving board.
In the present invention, the starting materials used are all commercially available products well known in the art, unless otherwise specified.
The invention removes leaves from reed straws, and then dries the reed straws to obtain the dry reed straws without leaves.
The invention has no special limitation on the reed straws, and the reed straws with the known sources in the field can be used. The invention has no special requirements on the leaf removing process of the reed straws, and the leaf removing process well known in the field is adopted.
The invention preferably bundles the reed straws after leaf removal into bundles and sends the bundles into a drying kiln for drying. In the invention, the drying temperature is preferably 90-100 ℃, and more preferably 92-96 ℃. The invention has no special requirement on the drying time, and preferably, the reed stems without leaves are dried completely.
The drying temperature is controlled within the range, so that certain shrinkage and microcracks are generated on the surface of the reed stem, and the subsequent uniform absorption of activating agents by silicified cells and a wax layer on the surface layer of the reed stem is facilitated.
After the dry and defoliated reed stems are obtained, spraying an activator aqueous solution on the surfaces of the dry and defoliated reed stems, and processing the reed stems into reed shavings after the activator aqueous solution is dried by the reed stems; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves.
In the present invention, the activator in the aqueous activator solution preferably comprises one or more of fatty acid methyl ester ethoxylate, carboxylic acid and sodium dodecylbenzenesulfonate; when the activating agent comprises a plurality of the substances, the proportion of each activating agent is not particularly required, and any proportion can be adopted. In the present invention, the carboxylic acid is preferably a monocarboxylic acid. The present invention does not require any particular kind of monocarboxylic acid, and any monocarboxylic acid known in the art may be used, such as: formic acid, acetic acid and o-methylbenzoic acid.
In the invention, the mass concentration of the activating agent aqueous solution is preferably 32-38%, and more preferably 34-36%. In the invention, the weight of the activating agent is preferably 0.02-0.08%, more preferably 0.03-0.07% of the absolute dry weight of the dry defoliated reed stems.
When the activating agent aqueous solution is sprayed, the temperature of the dried reed stems without leaves is 30-40 ℃.
The aqueous activator solution is preferably sprayed by means of a spray gun, the pressure of which is preferably 0.8 MPa.
In the invention, when the activating agent aqueous solution is sprayed, the temperature of the dried reed stems with leaves removed is preferably 30-40 ℃, and more preferably 32-38 ℃. The invention controls the temperature of the dried defoliated reed stems within the range, is beneficial to the silicified cells and the wax layer on the surface layer of the reed stems to uniformly absorb the activating agent, and increases the activating and modifying effects.
The invention preferably turns the reed stems while spraying the aqueous solution of the activating agent, thereby ensuring that the aqueous solution of the activating agent is sprayed on all surfaces of the reed stems.
After the aqueous solution of the activating agent is dried by the reed stalks, the invention processes the reed stalks into reed shavings.
The invention has no special requirements on the processing process of the reed shavings, and the mechanical processing process known in the field is adopted.
In the invention, the particle size of the reed shavings is preferably 20-60 meshes, and more preferably 30-50 meshes.
After the reed shavings are obtained, the urea formaldehyde adhesive is added into the reed shavings, the glued reed shavings are paved into a plate blank, and the reed shavings are hot-pressed to obtain the reed shaving board.
In the invention, the application amount of the urea-formaldehyde adhesive is preferably 12-13% of the absolute dry weight of the dried reed leaves, more preferably 12.2-12.8%, and further preferably 12.4-12.6%. The urea formaldehyde adhesive is preferably applied by a ring type glue mixer.
After glue is applied, the glued reed shavings are paved into a plate blank, and the reed shaving board is obtained after hot pressing.
The invention has no special requirements on the size of the plate blank and can be set according to actual requirements.
In the invention, the hot pressing temperature is preferably 160-170 ℃, more preferably 162-168 ℃, and further preferably 164-166 ℃; the hot pressing time is preferably 30-40 s/mm, more preferably 32-38 s/mm, and further preferably 34-36 s/mm. In the present invention, the time of the hot pressing refers to a hot pressing time required per mm thickness of the slab.
In the invention, the density of the reed particle board obtained by hot press molding is preferably 0.7-0.8 g/cm3。
The following will explain the method for producing a reed particle board according to the present invention in detail with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
1. Removing leaves from reed straws, bundling the reed straws into bundles, sending the bundles into a drying kiln, drying the reed straws to an absolute dry state at 90 ℃, taking out the dried reed straws with the leaves removed, and cooling the reed straws to 40 ℃ to obtain the dried reed straws with the leaves removed;
2. mixing a nonionic activator fatty acid methyl ester ethoxylate into an aqueous solution with the mass concentration of 30%, uniformly spraying the aqueous solution onto the surface of a dry reed leaf-removed rod at 40 ℃ by using a spray gun, turning over the reed rod while spraying, ensuring that the aqueous solution of the activator is sprayed onto all the surfaces of the reed rod, and controlling the spraying amount to be 0.15% of the absolute dry weight of the dry reed leaf-removed rod;
3. after the aqueous solution of the activating agent is dried by the reed stalks, the reed stalks are sent to a machine for processing and processed into 30-mesh reed shavings;
4. applying urea formaldehyde adhesive to the reed shavings by a ring type glue mixer, wherein the adhesive application amount is 13% of the absolute dry weight of the dried reed stems without leaves;
5. spreading the glued reed shavings into a plate blank by a mechanical spreading machine, and then sending the plate blank into a hot press machine for hot press forming, wherein the hot press temperature is 170 ℃, the hot press time is 30s/mm, and finally the reed shaving board is obtained, and the density of the reed shaving board is 0.75g/cm3。
Comparative example 1
The difference from the embodiment 1 is that, firstly, reed rods are crushed into reed shavings by a crusher, then an activating agent and an adhesive are uniformly mixed, the mixture of the activating agent and the adhesive is added into the processed reed shavings by glue spraying, and the activating agent is added in the gluing process, and the rest is the same as the embodiment 1.
Example 2
1. Removing leaves from reed straws, bundling the reed straws into bundles, sending the bundles into a drying kiln, drying the reed straws at 100 ℃ to an absolute dry state, taking out the dried reed straws without leaves, and cooling the reed straws to 30 ℃ to obtain the dried reed straws without leaves;
2. mixing an anionic activator acetic acid into an aqueous solution with the mass concentration of 40%, uniformly spraying the aqueous solution on the surface of a dry reed stem with leaves removed at the temperature of 30 ℃ by using a spray gun, turning over the reed stem while spraying, ensuring that the aqueous solution of the activator is sprayed on all the surfaces of the reed stem, and controlling the spraying amount to be 0.1% of the absolute dry weight of the dry reed stem;
3. after the aqueous solution of the activating agent is dried by the reed stalks, the reed stalks are sent to a machine for processing and processed into reed shavings with 40 meshes;
4. applying urea formaldehyde adhesive to the reed shavings by a ring type glue mixer, wherein the adhesive application amount is 12% of the absolute dry weight of the dried reed stems without leaves;
5. spreading the glued reed shavings by a mechanical spreading machine to form a plate blank with a certain thickness, and then sending the plate blank into a hot press machine for hot press forming, wherein the hot press temperature is 160 ℃, the hot press time is 35s/mm, and finally, the reed shaving board is obtained, and the density of the reed shaving board is 0.75g/cm3。
Example 3
1. Removing leaves from reed straws, bundling the reed straws into bundles, sending the bundles into a drying kiln, drying the reed straws at 100 ℃ to an absolute dry state, taking out the dried reed straws without leaves, and cooling the reed straws to 30 ℃ to obtain the dried reed straws without leaves;
2. mixing anionic activator sodium dodecyl benzene sulfonate into an aqueous solution with the mass concentration of 35%, uniformly spraying the aqueous solution on the surface of a dry reed stem with leaves removed at the temperature of 30 ℃ by using a spray gun, turning over the reed stem while spraying, ensuring that the aqueous solution of the activator is sprayed on all the surfaces of the reed stem, and controlling the spraying amount to be 0.2% of the absolute dry weight of the dry reed stem;
3. after the aqueous solution of the activating agent is dried by the reed stalks, the reed stalks are sent to a machine for processing and processed into reed shavings with 40 meshes;
4. applying urea formaldehyde adhesive to the reed shavings by a ring type glue mixer, wherein the adhesive application amount is 13% of the absolute dry weight of the dried reed stems without leaves;
5. spreading the glued reed shavings by a mechanical spreading machine to form a plate blank with a certain thickness, and then sending the plate blank into a hot press for hot press forming, wherein the hot press temperature is 165 ℃, the hot press time is 40s/mm, and finally, a reed shaving board is obtained, and the density of the reed shaving board is 0.8g/cm3。
Example 4
The difference from example 1 is that it is dried to an oven dry state at 80 ℃.
Example 5
The difference from example 1 is that the surface of the dried defoliated reed stems at 25 ℃ was uniformly sprayed with a spray gun.
The performance of the reed boards of examples 1 to 5 and comparative example 1 was tested with reference to the GB/T4897.2-2003 standard, and the results are shown in Table 1.
Table 1 properties and activator levels for particle boards of examples 1-5 and comparative example 1
As can be seen from the results of examples 1 to 5 and comparative example 1 in table 1, according to the present invention, the active agent is directly applied to the surface of the reed rod before the preparation of the reed shavings, and compared with the conventional method in which the active agent is mixed with the adhesive and then added to the processed reed shavings by applying glue, not only can an obvious modification effect be achieved, but also the amount of the active agent can be significantly reduced, thereby reducing the production cost of the reed shaving board. In addition, by comparing the results of the example 1 and the example 4, the results of the example 1 of the invention show that the surface of the reed stem generates certain shrinkage and microcracks by drying the defoliated reed stem at 90-100 ℃ to be absolutely dry, so that the activation modification effect is better, and the bonding strength of the particle board of the example 1 is better than that of the particle board of the example 4. From the results of example 1 and example 5, it is understood that the activation modification effect of 40 deg.c (example 1) is better and the bonding strength of the resulting particle board is higher by spraying the activator at 40 deg.c than by spraying the activator at 25 deg.c.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A production method of a reed particle board is characterized by comprising the following steps:
removing leaves from reed straws, and then drying to obtain dry reed straws with leaves removed;
spraying an aqueous solution of an activating agent on the surface of the dried and defoliated reed stalks, and processing the reed stalks into reed shavings after the aqueous solution of the activating agent is dried by the reed stalks; the mass concentration of the activator aqueous solution is 30-40%, the spraying amount of the activator aqueous solution is calculated by the weight of the activator, and the weight of the activator is 0.01-0.09% of the absolute dry weight of the dry reed leaves;
adding a urea-formaldehyde adhesive into the reed shavings, paving the glued reed shavings into a plate blank, and carrying out hot pressing to obtain the reed shaving board.
2. The production method according to claim 1, wherein the drying temperature is 90 to 100 ℃, and the reed stems with leaves removed after drying are in an oven-dry state.
3. The production method according to claim 1, wherein the temperature of the dried defoliated reed stems is 30 to 40 ℃ when the activator aqueous solution is sprayed.
4. The method of claim 1, wherein the activator in the aqueous activator solution comprises one or more of a fatty acid methyl ester ethoxylate, a carboxylic acid, and sodium dodecylbenzenesulfonate.
5. The method of claim 1, wherein the reed stems are tumbled while spraying the aqueous solution of the activating agent.
6. The production method according to claim 1, wherein the equipment used for spraying the aqueous activator solution is a spray gun having a pressure of 0.8 MPa.
7. The production method according to claim 1, wherein the particle size of the reed shavings is 20-60 mesh.
8. The production method according to claim 1, wherein the urea formaldehyde adhesive is applied in an amount of 12-13% of the absolute dry weight of the dried reed leaves.
9. The production method according to claim 1, wherein the temperature of the hot pressing is 160 to 170 ℃.
10. The production method according to claim 9, wherein the time for the hot pressing is 30 to 40 s/mm.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263490A (en) * | 1997-07-11 | 2000-08-16 | 马利特有限公司 | Manufacture of composite board |
| CN1329534A (en) * | 1998-10-16 | 2002-01-02 | 戴润·J·考斯逖伍 | Process for production of articles from treated lignocellulosic particles and binder |
| CN101138856A (en) * | 2007-09-29 | 2008-03-12 | 韩家荣 | Technique for producing medium density fiberboard by using modified bulrush |
| CN101148059A (en) * | 2006-09-23 | 2008-03-26 | 刘金忠 | Reed composite board material producing technology |
| CN104227820A (en) * | 2014-08-27 | 2014-12-24 | 谭海韵 | Preparation method for fireproof oriented strand board |
| CN105563578A (en) * | 2015-12-17 | 2016-05-11 | 广东省宜华木业股份有限公司 | Modified fast growing wood impregnating agent and impregnation high-temperature integrated treatment method |
| CN105922427A (en) * | 2016-05-03 | 2016-09-07 | 福建农林大学 | Zero-formaldehyde particle board and preparation method thereof |
-
2021
- 2021-01-18 CN CN202110060512.7A patent/CN113442254B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263490A (en) * | 1997-07-11 | 2000-08-16 | 马利特有限公司 | Manufacture of composite board |
| CN1329534A (en) * | 1998-10-16 | 2002-01-02 | 戴润·J·考斯逖伍 | Process for production of articles from treated lignocellulosic particles and binder |
| CN101148059A (en) * | 2006-09-23 | 2008-03-26 | 刘金忠 | Reed composite board material producing technology |
| CN101138856A (en) * | 2007-09-29 | 2008-03-12 | 韩家荣 | Technique for producing medium density fiberboard by using modified bulrush |
| CN104227820A (en) * | 2014-08-27 | 2014-12-24 | 谭海韵 | Preparation method for fireproof oriented strand board |
| CN105563578A (en) * | 2015-12-17 | 2016-05-11 | 广东省宜华木业股份有限公司 | Modified fast growing wood impregnating agent and impregnation high-temperature integrated treatment method |
| CN105922427A (en) * | 2016-05-03 | 2016-09-07 | 福建农林大学 | Zero-formaldehyde particle board and preparation method thereof |
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