CN113046021A - Plant protein powder for wood industry and production method thereof - Google Patents
Plant protein powder for wood industry and production method thereof Download PDFInfo
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- CN113046021A CN113046021A CN201911372968.6A CN201911372968A CN113046021A CN 113046021 A CN113046021 A CN 113046021A CN 201911372968 A CN201911372968 A CN 201911372968A CN 113046021 A CN113046021 A CN 113046021A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
Abstract
The invention relates to the technical field of wood adhesives, and discloses plant protein powder for wood industry, which comprises the following raw materials in parts by weight: 80-100 parts of degreased plant meal, 2-10 parts of tackifier, 10-20 parts of borate and 0.2-5 parts of additive. The vegetable protein powder for wood industry can effectively improve the initial viscosity of the obtained adhesive, is convenient for artificial board prepressing and forming so as to be beneficial to slab repair and hot press upper plate, has the performances of sterilization, insect prevention, flame retardance and the like, can effectively improve the corrosion and insect prevention performance of vegetable protein, further improves the storage period, does not need to add tackifying emulsion and preservative additionally, is further convenient for on-site glue preparation operation, reduces the transportation cost, can improve the flowability of powder, is convenient for production, processing and use, reduces the production cost of products while simplifying the production process, and ensures that the vegetable protein powder for wood and the production method thereof are simpler, more convenient, more environment-friendly and easy for industrialized implementation.
Description
Technical Field
The invention relates to the technical field of wood adhesives, in particular to vegetable protein powder for wood industry and a production method thereof.
Background
The plant protein powder is a renewable natural high-molecular adhesive raw material, the main sources of which are soybean, cottonseed, tung seed and the like, and the plant protein powder has great potential application value in the field of wood-based panel processing, at present, the plant protein powder in the market is mainly food-grade non-transgenic soybean protein powder, the price is high, the water-based wood adhesive prepared by using the plant protein powder is insufficient, the initial viscosity is poor, the wood adhesive is easy to decay and deteriorate, a tackifying emulsion and a preservative are usually required to be added, the mixing uniformity is poor, in addition, the pre-prepared water-based protein adhesive contains a large amount of water (the mass fraction usually exceeds 60 percent), and the transportation cost is increased.
For the production of mixed powder, the raw materials of various components are independently crushed and then mixed, the method is suitable for the occasions with similar physical properties (such as specific gravity, hardness and the like) of the powder of various components and small proportion difference of ingredients, however, when the specific gravity difference of the powder materials of various components is large, such as the powder mixing of inorganic and organic materials, or the proportion of a certain component material is small, the uniform degree of the powder mixing needs to be improved by increasing the mixing stirring strength and prolonging the mixing time, the method not only has high energy consumption, but also cannot achieve the purpose of uniform mixing for the components with large specific gravity difference of the powder, and further influences the consistency of the quality of the mixed powder products, so the plant protein powder for the wood industry and the production method thereof are provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the plant protein powder for the wood industry and the production method thereof, which have the advantages of no need of glue preparation in advance, on-site glue preparation and use, good initial viscosity of the prepared glue, corrosion and insect prevention, consistency of the quality of mixed products and the like, and solve the problems of poor quality, high cost and poor quality consistency of mixed powder products of the existing prefabricated water-based protein glue.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: 80-100 parts of degreased plant meal, 2-10 parts of tackifier, 10-20 parts of borate and 0.2-5 parts of additive;
preferably, the degreased plant meal is plant meal with high water-soluble protein content after oil is prepared by a solvent leaching method and is subjected to low-temperature or flash evaporation desolventizing treatment, and comprises transgenic or non-transgenic bean meal, cotton meal, tung meal or a mixture of the transgenic or non-transgenic bean meal and the cotton meal;
preferably, the tackifier is rosin, modified rosin or a mixture thereof, and the modified rosin comprises hydrogenated rosin, polymerized rosin, disproportionated rosin or maleic rosin;
preferably, the borate is calcium borate, zinc borate or a mixture thereof;
preferably, the additive is a glidant, an anticaking agent or a mixture of the glidant and the anticaking agent, the glidant is talcum powder or superfine silica gel powder, and the anticaking agent is tricalcium phosphate, sodium aluminosilicate, magnesium stearate or microcrystalline cellulose;
preferably, the feed comprises the following raw materials in parts by weight: 100 parts of degreased plant meal, 5-8 parts of tackifier, 15-18 parts of borate and 0.5-2 parts of additive;
the invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher for crushing, and crushing into materials with the particle diameter of less than 1-2 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 15-30 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 30-150 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 30-60min to obtain the vegetable protein powder for wood industry, which is used for on-site glue preparation in artificial board processing.
Preferably, the particle diameter of the vegetable protein powder for wood industry is less than 50 microns.
(III) advantageous effects
Compared with the prior art, the invention provides the plant protein powder for the wood industry and the production method thereof, and the plant protein powder has the following beneficial effects:
1. the plant protein powder for wood industry and the production method thereof, through carrying out coarse crushing, premixing, crushing and fine mixing processes on raw materials, the components of the obtained powder product are uniformly mixed, even the quality of the mixed powder is consistent, the problem of nonuniform mixing of the mixed powder product generated by the existing mixed powder production process is solved, the glue can be prepared and used on site, the transportation cost is reduced, the tackifier contained in the mixed powder can effectively improve the initial viscosity of the obtained adhesive, the artificial board pre-pressing forming is convenient for the board blank repairing and the board loading of a hot press, the borate has the performances of sterilization, insect prevention, flame retardance, heat resistance and the like, the corrosion and insect prevention performances of the plant protein can be effectively improved by adding the borate, the storage period is further prolonged, no tackifying emulsion and preservative are required to be additionally added, the glue preparation operation on site is further convenient, and meanwhile, a flow aid or an anticaking agent is, is convenient for production, processing and use.
2. The vegetable protein powder for wood industry and the production method thereof use the cottonseed protein and the tung seed protein which are cheaper than the soybean protein and do not need detoxification treatment, and because the cottonseed protein and the tung seed protein are usually used as feed and need detoxification treatment and do not need disinfection and deodorization treatment in the production process, the production process is simplified, the production cost of the product is reduced, and the vegetable protein powder for wood and the production method thereof are simpler, more convenient, more environment-friendly and easy for industrialized implementation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: the composite material comprises 100 parts of degreased plant meal, 6 parts of tackifier, 15 parts of borate and 1 part of additive, wherein the degreased plant meal is degreased bean meal, the tackifier is rosin, the borate is calcium borate, and the additive is talcum powder.
The invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher to be crushed into materials with the particle diameter smaller than 1.5 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 15 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 45 micrometers;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 30min to prepare the vegetable protein powder for the wood industry, wherein the particle diameter of the vegetable protein powder for the wood industry is less than 50 microns, and the vegetable protein powder is used for on-site glue preparation during artificial board processing.
Example two: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: the composite material comprises 80 parts of degreased plant meal, 2 parts of tackifier, 10 parts of borate and 0.2 part of additive, wherein the degreased plant meal is degreased bean meal, the tackifier is rosin, the borate is calcium borate, and the additive is sodium aluminosilicate.
The invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher for crushing, and crushing into materials with the particle diameter of less than 1 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 30 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 30 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 60min to prepare the vegetable protein powder for the wood industry, wherein the particle diameter of the vegetable protein powder for the wood industry is less than 50 microns, and the vegetable protein powder is used for on-site glue preparation during artificial board processing.
Example three: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: 90 parts of degreased plant meal, 4 parts of tackifier, 13 parts of borate and 3 parts of additive, wherein the degreased plant meal is degreased cotton meal, the tackifier is rosin, the borate is calcium borate, and the additive is talcum powder.
The invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher for crushing, and crushing into materials with particle diameters smaller than 2 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 20 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 80 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 40min to prepare the vegetable protein powder for the wood industry, wherein the particle diameter of the vegetable protein powder for the wood industry is less than 50 microns, and the vegetable protein powder is used for on-site glue preparation during artificial board processing.
Example four: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: 85 parts of degreased plant meal, 10 parts of tackifier, 20 parts of borate and 5 parts of additive, wherein the degreased plant meal is degreased tung meal, the tackifier is rosin, the borate is calcium borate, and the additive is talcum powder.
The invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher to be crushed into materials with the particle diameter smaller than 1.8 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 25 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 100 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 50min to prepare the vegetable protein powder for the wood industry, wherein the particle diameter of the vegetable protein powder for the wood industry is less than 50 microns, and the vegetable protein powder is used for on-site glue preparation during artificial board processing.
Comparative example: the vegetable protein powder for the wood industry comprises the following raw materials in parts by weight: 100 parts of degreased plant meal and 2 parts of additive, wherein the degreased plant meal is degreased bean pulp, and the additive is talcum powder.
The invention aims to solve another technical problem of providing a production method of plant protein powder for wood industry, which comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher for crushing, and crushing into materials with particle diameters smaller than 2 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 20 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 70 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 40min to obtain the vegetable protein powder for wood industry.
And (4) judging the standard: the above examples and comparative examples are respectively added into a certain amount of water-based protein modified liquid product and stirred for 15min to obtain the protein adhesive for wood processing, and part of the protein adhesive is used for conventionally manufacturing eucalyptus three-ply boards (thickness 3 x 1.7 mm): core layer single plate double-sided gluing (double-sided gluing amount 360 g/m)2) The results of the test are shown in table 1, except that the test is carried out in a hot press (120 ℃, 8min) → hot press (30min, observation of molding effect) → wet strength test, and the other part is left open at room temperature to observe deterioration.
Table 1 experimental data:
GB/T9846-2015 required wet strength standard class II >0.7MPa (eucalyptus board)
As can be seen from the data in Table 1, the addition of the tackifiers rosin and borate effectively increased the initial tack (pre-press molding effect) and the shelf life of the vegetable protein adhesive.
The invention has the beneficial effects that: the raw materials are subjected to coarse crushing, premixing, crushing and fine mixing processes, so that all components of the obtained powder product are uniformly mixed, even if the quality of the mixed powder is consistent, the problem of nonuniform mixing of the mixed powder product generated by the existing mixed powder production process is solved, the in-situ glue blending can be used, the transportation cost is reduced, the initial viscosity of the obtained adhesive can be effectively improved by the tackifier, the artificial board prepressing and forming are facilitated to be beneficial to board blank repair and hot press upper board, the borate has the performances of sterilization, insect prevention, flame retardance, heat resistance and the like, the corrosion resistance and insect resistance of the vegetable protein can be effectively improved by adding the borate, the storage period is further prolonged, no tackifying emulsion and no preservative are required to be additionally added, the in-situ glue blending operation is facilitated, meanwhile, the flow property of the powder is improved by adding the flow aid or the anticaking agent, the production processing and the use are facilitated, the cottonseed protein and the tung, because cottonseed protein and tung seed protein are usually taken as feed and need detoxification treatment, and disinfection and deodorization treatment are not needed in the production process, the production process is simplified, the production cost of the product is reduced, the vegetable protein powder for wood and the production method thereof are simpler, more convenient, more environment-friendly and easy for industrialized implementation, and the problem of poor quality consistency of the existing mixed powder product is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The vegetable protein powder for the wood industry is characterized by comprising the following raw materials in parts by weight: 80-100 parts of degreased plant meal, 2-10 parts of tackifier, 10-20 parts of borate and 0.2-5 parts of additive;
the degreased plant meal is plant meal with high water-soluble protein content after oil is prepared by adopting a solvent leaching method and is subjected to low-temperature or flash evaporation desolventizing treatment, and comprises transgenic or non-transgenic bean meal, cotton meal, tung meal or a mixture of the transgenic or non-transgenic bean meal and the cotton meal;
the tackifier is rosin, modified rosin or a mixture of the rosin and the modified rosin, wherein the modified rosin comprises hydrogenated rosin, polymerized rosin, disproportionated rosin or maleic rosin;
the borate is calcium borate, zinc borate or a mixture of the calcium borate and the zinc borate;
the additive is a glidant, an anticaking agent or a mixture of the glidant and the anticaking agent, the glidant is talcum powder or superfine silica gel powder, and the anticaking agent is tricalcium phosphate, sodium aluminosilicate, magnesium stearate or microcrystalline cellulose; the production method of the vegetable protein powder for the wood industry comprises the following steps:
1) preparing materials: respectively weighing the degreased plant meal, the tackifier, the borate and the additive;
2) crushing: adding the raw materials in the step 1) into a crusher for crushing, and crushing into materials with the particle diameter of less than 1-2 mm;
3) premixing: adding the crushed material obtained in the step 2) into a cone-shaped mixer for premixing, and mixing and stirring for 15-30 min;
4) crushing: adding the premixed material in the step 3) into an ultrafine grinder for grinding into powder with the particle diameter of less than 30-150 microns;
5) fine mixing: adding the crushed materials in the step 4) into a cone-shaped mixer for mixing, and mixing and stirring for 30-60min to obtain the vegetable protein powder for wood industry, which is used for on-site glue preparation in artificial board processing.
2. The plant protein powder for wood industry as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 100 parts of degreased plant meal, 5-8 parts of tackifier, 15-18 parts of borate and 0.5-2 parts of additive.
3. The plant protein powder for wood industry as defined in claim 1, wherein the particle diameter of the plant protein powder for wood industry is less than 50 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911372968.6A CN113046021A (en) | 2019-12-27 | 2019-12-27 | Plant protein powder for wood industry and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911372968.6A CN113046021A (en) | 2019-12-27 | 2019-12-27 | Plant protein powder for wood industry and production method thereof |
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| CN113046021A true CN113046021A (en) | 2021-06-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030148084A1 (en) * | 2000-02-11 | 2003-08-07 | Trocino Frank S. | Vegetable protein adhesive compositions |
| CN101412899A (en) * | 2008-02-18 | 2009-04-22 | 河南新鼎科技发展有限公司 | Completely degradable plant protein wood adhesive and preparation thereof |
| CN101475790A (en) * | 2008-01-04 | 2009-07-08 | 杨光 | Novel timber adhesive and preparation thereof |
-
2019
- 2019-12-27 CN CN201911372968.6A patent/CN113046021A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030148084A1 (en) * | 2000-02-11 | 2003-08-07 | Trocino Frank S. | Vegetable protein adhesive compositions |
| CN101475790A (en) * | 2008-01-04 | 2009-07-08 | 杨光 | Novel timber adhesive and preparation thereof |
| CN101412899A (en) * | 2008-02-18 | 2009-04-22 | 河南新鼎科技发展有限公司 | Completely degradable plant protein wood adhesive and preparation thereof |
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