CN106363764B - A kind of preparation method of water-fast fiberboard - Google Patents
A kind of preparation method of water-fast fiberboard Download PDFInfo
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- CN106363764B CN106363764B CN201610741347.0A CN201610741347A CN106363764B CN 106363764 B CN106363764 B CN 106363764B CN 201610741347 A CN201610741347 A CN 201610741347A CN 106363764 B CN106363764 B CN 106363764B
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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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- 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
- 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
- B27N1/02—Mixing the material with binding agent
-
- 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
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- 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
- B27N3/10—Moulding of mats
-
- 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
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- 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
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/04—Starch derivatives
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
A kind of preparation method of water-fast fiberboard of the present invention, comprising the following steps: adhesive preparation, fiber preparation, sizing, paving prefabricating, plate hot pressing, post-processing.For the present invention by being modified to starch, mongolicum Turcz. with Modified Starch Adhesive, which is made, has good water resistance, and environmentally protective, does not generate toxic gas, can be used to be processed into indoor and outdoor furniture or kitchen cabinet etc., improve the added value of product of fiberboard.
Description
Technical field
The present invention relates to ornament materials preparation technical fields, and in particular to a kind of preparation method of water-fast fiberboard.
Background technique
Fiberboard is also known as density board, be using wood fibre or other plant cellulose fiber as raw material, apply Lauxite or its
Wood-based plate made of the adhesive that he is applicable in.Fiberboard has many advantages, such as that uniform in material, intensity difference is not small, easy to crack in length and breadth, uses
Way is extensively.Develop the effective way that Fibreboard Production is timber resources comprehensive utilization.But the moisture-proof water resistance of fiberboard compared with
Difference easily deforms bow warping after moisture absorption because generating expansive force difference, and fiberboard is in the production process, often plus
Enter cheap, colourless formaldehyde based resin binder, this binder can generate pernicious gas formaldehyde after use, seriously endanger people
Class and Environmental Health.
Summary of the invention
The purpose of the present invention is to provide water-fast fiberboards of a kind of safety and environmental protection and preparation method thereof, avoid formaldehyde etc.
The release of harmful substance.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of preparation method of water-fast fiberboard, comprising the following steps:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 9.5-10.0, Heat Gelatinization 15-20min, is cooled to room temperature, and is adjusted with acid pH to 4-5, and 30% hydrogen peroxide is added thereto
Solution, the oxidation reaction 3-4h at 50-60 DEG C adjust pH to 6-6.5, and sieving removes macromolecular insoluble matter, are added change thereto
Property agent, 1-2h is stirred to react at 50-60 DEG C, is added a small amount of polyvinyl alcohol thereto, adjusts pH to 6.5-7.0 to get modification
Starch adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain wood fibre；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and be added include bentonite, attapulgite powder, magnesia, silane coupling agent,
The mixture of glass bead and repefral, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure of 120-150bar
Power carries out precompressed to fibre mat；
5) plate hot pressing: being 150-180 DEG C, hot pressing pressure 200-280bar in hot pressing temperature, to the plate Bear-grudge after precompressed
It is 0.6-0.8g/cm that density, which is made, in hot pressing3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
Preferably, the quality for 30% hydrogen peroxide solution being added in the step 1) is the 15-20% of starch quality.
Preferably, modifying agent is maleic anhydride or acylamide polymer in the step 1).
Preferably, the water content of wood fibre is 7-10% in the step 2).
Preferably, in the step 3) mongolicum Turcz. with Modified Starch Adhesive quality be wood fibre quality 10-15%.
Preferably, in the step 3) mixture quality be wood fibre quality 25-30%.
The invention has the advantages that: the present invention by being modified to starch, improves its chemical stability, is made modified and forms sediment
Powder adhesive has good water resistance, and environmentally protective, does not generate toxic gas, utilizes fiber made from the starch adhesive
Plate has good water resistance and intensity, and mechanical property reaches plain edition, furniture under GB/T11718-2009 drying regime
The national standard of furniture type medium density fibre board (MDF), can be used to be processed into indoor and outdoor furniture under type medium density fibre board (MDF), outdoor state
Or kitchen cabinet etc., improve the added value of product of fiberboard.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 10.0, Heat Gelatinization 20min, is cooled to room temperature, and is adjusted with acid pH to 4.5, and hydrogen peroxide solution is added thereto, and (quality is dense
Degree adjusts pH to 6 for 30%), hydrogen peroxide solution is 18%, the oxidation reaction 3.5h at 55 DEG C of starch quality, and sieving removes
Macromolecular insoluble matter is added maleic anhydride modified dose thereto, and 1.5h is stirred to react at 55 DEG C, and a small amount of poly- second is added thereto
Enol adjusts pH to 6.5 to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain the wood fibre that water content is 8%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 13% of wood fibre quality, and is added
Enter the mixture containing bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
The quality of mixture is the 26% of wood fibre quality, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure pair of 140bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 165 DEG C in hot pressing temperature, under the conditions of hot pressing pressure is 250bar, to the plate Bear-grudge heat after precompressed
Being pressed into density is 0.7g/cm3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
Embodiment 2:
A kind of preparation method of water-fast fiberboard, comprising the following steps:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 9.5, Heat Gelatinization 15min, is cooled to room temperature, and is adjusted with acid pH to 5, and hydrogen peroxide solution (mass concentration is added thereto
For 30%), hydrogen peroxide solution is 15%, the oxidation reaction 4h at 50 DEG C of starch quality, pH to 6.5 is adjusted, sieving removes big
Acylamide polymer modifying agent is added thereto, 1h is stirred to react at 60 DEG C for molecule insoluble matter, and a small amount of poly- second is added thereto
Enol adjusts pH to 7.0 to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain the wood fibre that water content is 9%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 12% of wood fibre quality, and is added
Enter the mixture containing bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
The quality of mixture is the 25% of wood fibre quality, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure pair of 130bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 170 DEG C in hot pressing temperature, under the conditions of hot pressing pressure is 260bar, to the plate Bear-grudge heat after precompressed
Being pressed into density is 0.75g/cm3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
Embodiment 3:
A kind of preparation method of water-fast fiberboard, comprising the following steps:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 9.5, Heat Gelatinization 20min, is cooled to room temperature, and is adjusted with acid pH to 4, and hydrogen peroxide solution (mass concentration is added thereto
For 30%), hydrogen peroxide solution is 20%, the oxidation reaction 3h at 50 DEG C of starch quality, pH to 6.5 is adjusted, sieving removes big
Acylamide polymer modifying agent is added thereto, 1h is stirred to react at 60 DEG C for molecule insoluble matter, and a small amount of poly- second is added thereto
Enol adjusts pH to 7.0 to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain the wood fibre that water content is 7%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 10% of wood fibre quality, and is added
Enter the mixture containing bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
The quality of mixture is the 25% of wood fibre quality, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure pair of 120bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 150 DEG C in hot pressing temperature, under the conditions of hot pressing pressure is 200bar, to the plate Bear-grudge heat after precompressed
Being pressed into density is 0.6g/cm3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
Embodiment 4:
A kind of preparation method of water-fast fiberboard, comprising the following steps:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 10.0, Heat Gelatinization 15min, is cooled to room temperature, and is adjusted with acid pH to 5, and hydrogen peroxide solution (mass concentration is added thereto
For 30%), hydrogen peroxide solution is 15%, the oxidation reaction 3h at 60 DEG C of starch quality, pH to 6 is adjusted, sieving removes big point
Sub- insoluble matter is added maleic anhydride modified dose thereto, and 1h is stirred to react at 60 DEG C, and a small amount of polyvinyl alcohol is added thereto,
PH to 6.5 is adjusted to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain the wood fibre that water content is 10%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 15% of wood fibre quality, and is added
Enter the mixture containing bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
The quality of mixture is the 30% of wood fibre quality, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure pair of 150bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 180 DEG C in hot pressing temperature, under the conditions of hot pressing pressure is 280bar, to the plate Bear-grudge heat after precompressed
Being pressed into density is 0.8g/cm3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
Embodiment 5:
A kind of preparation method of water-fast fiberboard, comprising the following steps:
1) prepared by adhesive: starch being dissolved in water and is configured to 40% starch emulsion, the adjusting of 4% sodium hydroxide is added thereto
PH to 10.0, Heat Gelatinization 20min, is cooled to room temperature, and is adjusted with acid pH to 4, and hydrogen peroxide solution (mass concentration is added thereto
For 30%), hydrogen peroxide solution is 20%, the oxidation reaction 4h at 55 DEG C of starch quality, pH to 6 is adjusted, sieving removes big point
Sub- insoluble matter is added maleic anhydride modified dose thereto, and 1.5h is stirred to react at 60 DEG C, and a small amount of polyethylene is added thereto
Alcohol adjusts pH to 6.5 to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material being carried out boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, does
It is dry, obtain the wood fibre that water content is 8%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, stir, and the modified of step 1) preparation is formed sediment
Powder adhesive sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 15% of wood fibre quality, and is added
Enter the mixture containing bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
The quality of mixture is the 25% of wood fibre quality, stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into plate embryo template, and with preformer with the pressure pair of 130bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 160 DEG C in hot pressing temperature, under the conditions of hot pressing pressure is 260bar, to the plate Bear-grudge heat after precompressed
Being pressed into density is 0.75g/cm3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (2)
1. a kind of preparation method of water-fast fiberboard, which comprises the following steps:
1) adhesive prepare: starch is dissolved in water and is configured to 40% starch emulsion, be added thereto 4% sodium hydroxide adjust pH to
9.5-10.0, Heat Gelatinization 15-20min, is cooled to room temperature, and is adjusted with acid pH to 4-5, and it is water-soluble that 30% dioxygen is added thereto
Liquid, the quality of the hydrogen peroxide solution are 15-20%, the oxidation reaction 3-4h at 50-60 DEG C of starch quality, adjust pH to 6-
6.5, sieving removes macromolecular insoluble matter, and maleic anhydride or acylamide polymer are added thereto as modifying agent, at 50-60 DEG C
Under be stirred to react 1-2h, be added a small amount of polyvinyl alcohol thereto, adjust pH to 6.5-7.0 to get mongolicum Turcz. with Modified Starch Adhesive；
2) prepared by fiber: wood material is subjected to boiling softening, polyethylene wax is added thereto and carries out defibrator process, rinses, it is dry, and it obtains
Wood fibre, and the water content of wood fibre is made to be 7-10%；
3) it is glued: wood fibre prepared by step 2) is placed in glue mixer, the modified starch adhesive for stirring, and being prepared by step 1)
Glutinous agent sprays the surface of wood fibre, and the usage amount of mongolicum Turcz. with Modified Starch Adhesive is the 10-15% of wood fibre quality, and is added
It include the mixture of bentonite, attapulgite powder, magnesia, silane coupling agent, glass bead and repefral,
Stirring, so that glue mixing is uniform；
4) paving prefabricating: the material of step 3) is mated formation into slab template, and with preformer with the pressure pair of 120-150bar
Fibre mat carries out precompressed；
5) plate hot pressing: being 150-180 DEG C, hot pressing pressure 200-280bar in hot pressing temperature, to the plate Bear-grudge hot pressing after precompressed
It is 0.6-0.8g/cm that density, which is made,3Plate；
6) post-process: by complete hot pressing plate carry out cutting edge, sanding processing after to get.
2. the preparation method of water-fast fiberboard as described in claim 1, which is characterized in that the matter of mixture in the step 3)
Amount is the 25-30% of wood fibre quality.
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| CN201610741347.0A CN106363764B (en) | 2016-08-27 | 2016-08-27 | A kind of preparation method of water-fast fiberboard |
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| CN201610741347.0A CN106363764B (en) | 2016-08-27 | 2016-08-27 | A kind of preparation method of water-fast fiberboard |
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| CN106363764B true CN106363764B (en) | 2019-04-09 |
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| CN101214679A (en) * | 2007-12-26 | 2008-07-09 | 广西丰林木业集团股份有限公司 | Medium density fiberboard with low burst size of methanal and producing method thereof |
| CN101508876B (en) * | 2008-10-14 | 2011-10-05 | 长春工业大学 | Modified starch based adhesion agent for lumber and preparation method |
| CN102514071A (en) * | 2011-11-30 | 2012-06-27 | 广西新凯骅实业集团股份有限公司 | Low glue consumption method for making medium density fiberboard |
| CN102559108B (en) * | 2012-01-17 | 2013-06-12 | 合肥工业大学 | Preparation method for water-fast starch adhesive with high initial adhesion |
| CN104669395A (en) * | 2015-02-14 | 2015-06-03 | 广西丰林木业集团股份有限公司 | Manufacture method of low-density fiberboard |
| CN105542683A (en) * | 2015-12-28 | 2016-05-04 | 倪协照 | Environment-friendly high-strength water-resisting and mildew-resisting adhesive for plywood and preparation method of environment-friendly high-strength water-resisting and mildew-resisting adhesive |
| CN105643760A (en) * | 2015-12-31 | 2016-06-08 | 广西华峰林业集团股份有限公司 | Production method of environment-friendly mildew-proof medium density fiberboard |
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