CN110524644A - A kind of stalk imitates solid wood composite board and preparation method thereof - Google Patents
A kind of stalk imitates solid wood composite board and preparation method thereof Download PDFInfo
- Publication number
- CN110524644A CN110524644A CN201910848392.XA CN201910848392A CN110524644A CN 110524644 A CN110524644 A CN 110524644A CN 201910848392 A CN201910848392 A CN 201910848392A CN 110524644 A CN110524644 A CN 110524644A
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- China
- Prior art keywords
- stalk
- surface layer
- stalk fibre
- solid wood
- active carbon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- 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
- B27K3/16—Inorganic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
-
- 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
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of stalks to imitate solid wood composite board, it include: sandwich layer, the first surface layer and the second surface layer, the sandwich layer is arranged between first surface layer and second surface layer, the sandwich layer is the mixture of the first stalk fibre, zinc oxide, copper oxide, active carbon nanoparticles, calcium carbonate and Lauxite, first surface layer and second surface layer are the mixture of the second stalk fibre, zinc oxide, copper oxide, active carbon nanoparticles, eight Boratexes and Lauxite, and the draw ratio of first stalk fibre is greater than the draw ratio of second stalk fibre.Stalk provided by the invention imitates solid wood composite board and adds active carbon nanoparticles by surface layer, sandwich layer, to adsorb the free formaldehyde of composite fibre intralamellar part release, improves the safety that stalk imitates solid wood composite board.
Description
Technical field
The present invention relates to composite building material technical fields, imitate solid wood composite board and its preparation side more particularly, to a kind of stalk
Method.
Background technique
Imitative composite plate made from solid wood is one of the construction material largely used in the prior art, has diversity, economy, reality
With property the features such as.For current imitative composite plate made from solid wood mostly using sawdust as primary raw material, market sawdust demand is big, causes annual
A large amount of trees are consumed, vegetation is caused greatly to destroy.Stalk refers to the gramineae farm crops such as rice, wheat, corn maturation
Remaining stem and leaf part after threshing is a kind of inexpensive, multiduty renewable biological source, but most stalks are directly in field
In burning disposal, cause huge waste of raw materials.Main chemical compositions content (cellulose, hemicellulose of agricultural crop straw
With lignin) it is similar to timber, it can be used to substitute timber completely to manufacture and imitate solid wood composite board.Agricultural crop straw is used for imitative real
Wood composite board, be solve that current wood supply is insufficient and plank demand it is big between contradictory effective way, while can also become useless
For treasured, avoid stalk resource waste and crop straw burning caused by environmental pollution, increase farmers' income.
Lauxite is widely used as adhesive when imitating solid wood composite board preparation in stalk.Lauxite has cost of material
The advantages that low, preparation process is simple and adhesive property is good, ambient temperature curable, but containing unreacted free in Lauxite
Formaldehyde, in process of production and in later period use process, the continual release free formaldehyde of meeting causes production and use occasion
Formaldehyde pollution.Meanwhile agricultural crop straw belongs to combustible material, imitative solid wood composite board after molding also easily burns, ureaformaldehyde tree
Rouge adhesive can be released more formaldehyde by thermal decomposition.Therefore, economical and practical, simple process and safety and environmental protection how to be prepared
It is this field urgent problem to be solved that stalk, which imitates solid wood composite board,.
Summary of the invention
The purpose of the present invention is to provide a kind of stalks to imitate solid wood composite board and preparation method thereof, prevents plate from using
Journey release formaldehyde improves the safety that stalk imitates solid wood composite board.
In order to achieve the above object, the present invention provides a kind of stalks to imitate solid wood composite board, comprising: sandwich layer, the first surface layer
With the second surface layer, the sandwich layer is arranged between first surface layer and second surface layer, and the sandwich layer is that the first stalk is fine
Dimension, zinc oxide, copper oxide, active carbon nanoparticles, calcium carbonate and Lauxite mixture, first surface layer and described second
Surface layer is the mixture of the second stalk fibre, zinc oxide, copper oxide, active carbon nanoparticles, eight Boratexes and Lauxite, institute
The draw ratio for stating the first stalk fibre is greater than the draw ratio of second stalk fibre.
Optionally, the length of first stalk fibre and the first stalk fibre is 3~8mm.
Optionally, the draw ratio of first stalk fibre is 5~15, the draw ratio of second stalk fibre is 0~
5。
Optionally, the mass ratio of first stalk fibre and second stalk fibre is 4~5.
Optionally, in the sandwich layer in terms of mass fraction zinc oxide 2~2.5, copper oxide 1, active carbon nanoparticles 8~10, carbon
Sour calcium 8~10 and Lauxite 40~60.
Optionally, in first surface layer and second surface layer in terms of mass fraction zinc oxide 2~2.5, copper oxide 1,
Active carbon nanoparticles 8~10, eight Boratexes 10~20 and Lauxite 40~60.
The present invention also provides the preparation methods that a kind of stalk imitates solid wood composite board, comprising the following steps:
Taking agricultural crop straw to be cut to length is 20~40mm, and ground crushing obtains the first straw that draw ratio is 5~15
The second stalk fibre that stalk fiber and draw ratio are 0~5, first stalk fibre and second stalk fibre are soaked respectively
Enter mass concentration be 4.0%~5.0% sodium hydroxide solution in, under the conditions of 60 DEG C~65 DEG C keep the temperature 50~60min, after take
Washing, drying to water content are no more than 6% out, obtain dry first stalk fibre and second stalk fibre；
It is supersonic oscillations 20 in the mixed acid solution of 3:1 that active carbon nanoparticles, which are added with dense HNO3 and dense H2SO4 volume ratio,
Minute, 140 DEG C are heated and are stirred 30 minutes, are poured into sand core funnel (adding miillpore filter) and are filtered, and are rushed with deionized water
It washes, it is a small amount of multiple, then the acid etching active carbon nanoparticles for being rinsed and being filtered are placed in 80 DEG C of vacuum ovens and are done, drying is made
Acid etching active carbon nanoparticles；
Zinc oxide, copper oxide, calcium carbonate, dry acid etching active carbon nanoparticles are added in urea-formaldehyde resin adhesive, mixing is equal
It is even that the first adhesive is made, Lauxite gluing is added in zinc oxide, copper oxide, eight Boratexes, dry acid etching active carbon nanoparticles
In agent, it is uniformly mixed obtained second adhesive；
Dry first stalk fibre is mixed with first adhesive, resin added is 6%~8%, as core
Layer, dry second stalk fibre is mixed with second adhesive, and resin added is 10%~12%, as the first table
Layer and the second surface layer；
The sandwich layer is placed between first surface layer and second surface layer, precast composite slab is made, then will be described pre-
Composite plate processed is hot-forming.
Optionally, before hot-forming, heated die plate above and below hydraulic press is preheated to 80 DEG C, the precast composite slab is placed in
It is coated in the template of release agent, is then placed in 3~5min of preheating between the heating plate of hydraulic press, restarts hydraulic press, to described
Precast composite slab applies 3MPa pressure, maintains 3~5min.
Stalk provided by the invention imitates solid wood composite board, comprising: sandwich layer, the first surface layer and the second surface layer, the sandwich layer are set
It sets between first surface layer and second surface layer, the sandwich layer is the first stalk fibre, zinc oxide, copper oxide, nanometer
The mixture of active carbon, calcium carbonate and Lauxite, first surface layer and second surface layer be the second stalk fibre,
Zinc oxide, copper oxide, active carbon nanoparticles, eight Boratexes and Lauxite mixture, the major diameter of first stalk fibre
Than the draw ratio for being greater than second stalk fibre.Stalk provided by the invention is imitated solid wood composite board and is added by surface layer, sandwich layer
Active carbon nanoparticles improve the safety that stalk imitates solid wood composite board to adsorb the free formaldehyde of composite fibre intralamellar part release.
Detailed description of the invention
Fig. 1 is that the stalk that one embodiment of the invention provides imitates solid wood composite board schematic diagram.
Wherein: 1- sandwich layer, the surface layer 2-, the first surface layer 21-, the second surface layer 22-.
Specific embodiment
A specific embodiment of the invention is described in more detail below in conjunction with schematic diagram.According to following description and
Claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and
Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
The present invention provides a kind of imitative solid wood composite board of stalk, and Fig. 1 is that the imitative solid wood of stalk that one embodiment of the invention provides is multiple
Plywood schematic diagram, as shown in Figure 1, it includes: sandwich layer 1, the first surface layer 21 and the second surface layer 22, institute that the stalk, which imitates solid wood composite board,
It states sandwich layer 1 to be arranged between first surface layer 21 and second surface layer 22, the sandwich layer 1 is the first stalk fibre, oxidation
Zinc, copper oxide, active carbon nanoparticles, calcium carbonate and Lauxite mixture, first surface layer 21 and second surface layer
22 be the mixture of the second stalk fibre, zinc oxide, copper oxide, active carbon nanoparticles, eight Boratexes and Lauxite, described
The draw ratio of first stalk fibre is greater than the draw ratio of second stalk fibre.First stalk fibre and first straw
The length of stalk fibre is 3~8mm.The draw ratio of first stalk fibre is 5~15, and the draw ratio of second stalk fibre is
0~5.The mass ratio of first stalk fibre and second stalk fibre is 4~5.In the sandwich layer 1 in terms of mass fraction
Zinc oxide 2~2.5, copper oxide 1, active carbon nanoparticles 8~10, calcium carbonate 8~10 and Lauxite 40~60.First table
Layer 21 and second surface layer 22 in terms of mass fraction zinc oxide 2~2.5, copper oxide 1, active carbon nanoparticles 8~10, eight boric acid
Sodium 10~20 and Lauxite 40~60.
The present invention also provides the preparation methods that a kind of stalk imitates solid wood composite board, include the next steps:
Taking agricultural crop straw to be cut to length is 20~40mm, ground crushing, and screening obtains that draw ratio is 5~15
The second stalk fibre that one stalk fibre and draw ratio are 0~5, by first stalk fibre and second stalk fibre point
Not Jin Ru mass concentration be 4.0%~5.0% sodium hydroxide solution in, under the conditions of 60 DEG C~65 DEG C keep the temperature 50~60min,
Washing, drying to water content are taken out afterwards no more than 6%, obtain dry first stalk fibre and second stalk fibre；
It is supersonic oscillations 20 in the mixed acid solution of 3:1 that active carbon nanoparticles, which are added with dense HNO3 and dense H2SO4 volume ratio,
Minute, 140 DEG C are heated and are stirred 30 minutes, are poured into sand core funnel (adding miillpore filter) and are filtered, and are rushed with deionized water
It washes, it is a small amount of multiple, then the acid etching active carbon nanoparticles for being rinsed and being filtered are placed in 80 DEG C of vacuum ovens and are done, drying is made
Acid etching active carbon nanoparticles；
Zinc oxide, copper oxide, calcium carbonate, dry acid etching active carbon nanoparticles are added in urea-formaldehyde resin adhesive, mixing is equal
It is even that the first adhesive is made, Lauxite gluing is added in zinc oxide, copper oxide, eight Boratexes, dry acid etching active carbon nanoparticles
In agent, it is uniformly mixed obtained second adhesive；
Dry first stalk fibre is mixed with first adhesive, resin added is 6%~8%, as core
Layer, dry second stalk fibre is mixed with second adhesive, and resin added is 10%~12%, as the first table
Layer and the second surface layer；
The sandwich layer is placed between first surface layer and second surface layer, precast composite slab is made, then will be described pre-
Composite plate processed is hot-forming.
The present invention uses dry method hot press forming technology, detailed process are as follows: precast composite slab is put into mold, then in heat
The effect for passing through temperature, pressure in press, makes Lauxite melt impregnation, and it is compound that the imitative solid wood of stalk is obtained by cooling and solidifying
Plate.Hot press forming technology is divided into five steps, respectively precast composite slab drying, release agent brushing, low pressure preheating, heating pressurization
And cooling and shaping, wherein applying heat is the most key.Since stalk fibre has stronger hygroscopicity, so in stalk fibre
There is a certain amount of residual moisture.These moisture can volatilize in subsequent high-temperature heating process, and stalk is caused to imitate solid wood composite board
Middle generation gap, and then influence the mechanical property that stalk imitates solid wood composite board.The present invention use 105 DEG C at drying 30min work into
The moisture of one step removal precast composite slab.In order to avoid precast composite slab adheres to template, the uniform brushing release agent in template.It is low
It presses the purpose preheated to be that the air inside precast composite slab is discharged to greatest extent in fiber softening, adjusts precast composite slab
Temperature Distribution between table, inner layer makes two parts temperature close.Concrete measure are as follows: first preheat heated die plate above and below hydraulic press
To 80 DEG C, precast composite slab is laid in the template for being coated with release agent, bolster covers, and is then placed in the heating of hydraulic press
3~5min is preheated between plate, restarts hydraulic press, about 3MPa pressure is applied to precast composite slab, maintains to discharge after 3~5min
Pressure, above step are 2-3 times repeatable.
To sum up, it is imitated in solid wood composite board in a kind of stalk that one embodiment of the invention provides, it is compound that the stalk imitates solid wood
Plate includes: sandwich layer 1, the first surface layer 21 and the second surface layer 22, and the sandwich layer 1 is arranged on first surface layer 21 and second table
Between layer 22, the sandwich layer 1 is the first stalk fibre, zinc oxide, copper oxide, active carbon nanoparticles, calcium carbonate and Lauxite
Mixture, first surface layer 21 and second surface layer 22 are that the second stalk fibre, zinc oxide, copper oxide, nanometer are living
Property charcoal, eight Boratexes and Lauxite mixture, it is fine that the draw ratio of first stalk fibre is greater than second stalk
The draw ratio of dimension.Stalk provided by the invention imitates solid wood composite board and adds active carbon nanoparticles by surface layer, sandwich layer, compound to adsorb
The free formaldehyde discharged inside fiberboard improves the safety that stalk imitates solid wood composite board.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (8)
1. a kind of stalk imitates solid wood composite board characterized by comprising sandwich layer, the first surface layer and the second surface layer, the sandwich layer are set
It sets between first surface layer and second surface layer, the sandwich layer is the first stalk fibre, zinc oxide, copper oxide, nanometer
The mixture of active carbon, calcium carbonate and Lauxite, first surface layer and second surface layer be the second stalk fibre,
Zinc oxide, copper oxide, active carbon nanoparticles, eight Boratexes and Lauxite mixture, the major diameter of first stalk fibre
Than the draw ratio for being greater than second stalk fibre.
2. stalk according to claim 1 imitates solid wood composite board, which is characterized in that first stalk fibre and described
The length of one stalk fibre is 3~8mm.
3. stalk according to claim 2 imitates solid wood composite board, which is characterized in that the draw ratio of first stalk fibre
It is 5~15, the draw ratio of second stalk fibre is 0~5.
4. stalk according to claim 1 imitates solid wood composite board, which is characterized in that first stalk fibre and described the
The mass ratio of two stalk fibres is 4~5.
5. stalk according to claim 1 imitates solid wood composite board, which is characterized in that in the sandwich layer in terms of mass fraction oxygen
Change zinc 2~2.5, copper oxide 1, active carbon nanoparticles 8~10, calcium carbonate 8~10 and Lauxite 40~60.
6. stalk according to claim 1 imitates solid wood composite board, which is characterized in that first surface layer and second table
Layer in terms of mass fraction zinc oxide 2~2.5, copper oxide 1, active carbon nanoparticles 8~10, eight Boratexes 10~20 and ureaformaldehyde tree
Rouge 40~60.
7. the preparation method that a kind of stalk imitates solid wood composite board characterized by comprising
Taking agricultural crop straw to be cut to length is 20~40mm, and it is fine to obtain the first stalk that draw ratio is 5~15 for ground crushing
The second stalk fibre that peacekeeping draw ratio is 0~5, immerses matter for first stalk fibre and second stalk fibre respectively
It measures in the sodium hydroxide solution that concentration is 4.0%~5.0%, 50~60min is kept the temperature under the conditions of 60 DEG C~65 DEG C, takes out water afterwards
It washes, dry to water content no more than 6%, obtain dry first stalk fibre and second stalk fibre；
Active carbon nanoparticles are added with dense HNO3 and dense H2SO4 volume ratio as supersonic oscillations 20 minutes in the mixed acid solution of 3:1,
140 DEG C are heated and are stirred 30 minutes, then the acid etching active carbon nanoparticles for being rinsed and being filtered are placed in 80 DEG C of vacuum ovens
It is dry, dry acid etching active carbon nanoparticles are made；
Zinc oxide, copper oxide, calcium carbonate, dry acid etching active carbon nanoparticles are added in urea-formaldehyde resin adhesive, system is uniformly mixed
The first adhesive is obtained, zinc oxide, copper oxide, eight Boratexes, dry acid etching active carbon nanoparticles are added in urea-formaldehyde resin adhesive,
It is uniformly mixed obtained second adhesive；
Dry first stalk fibre is mixed with first adhesive, resin added is 6%~8%, will as sandwich layer
Dry second stalk fibre is mixed with second adhesive, and resin added is 10%~12%, as the first surface layer and
Second surface layer；
The sandwich layer is placed between first surface layer and second surface layer, precast composite slab is made, then will be described prefabricated multiple
Plywood is hot-forming.
8. the preparation method that stalk according to claim 7 imitates solid wood composite board, which is characterized in that, will before hot-forming
Heated die plate is preheated to 80 DEG C to hydraulic press up and down, and precast composite slab merging is coated in the template of release agent, is then placed in
3~5min is preheated between the heating plate of hydraulic press, restarts hydraulic press, and 3MPa pressure is applied to the precast composite slab, maintains 3
~5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848392.XA CN110524644A (en) | 2019-09-09 | 2019-09-09 | A kind of stalk imitates solid wood composite board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848392.XA CN110524644A (en) | 2019-09-09 | 2019-09-09 | A kind of stalk imitates solid wood composite board and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110524644A true CN110524644A (en) | 2019-12-03 |
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ID=68667750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910848392.XA Pending CN110524644A (en) | 2019-09-09 | 2019-09-09 | A kind of stalk imitates solid wood composite board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203947A (en) * | 2020-01-15 | 2020-05-29 | 安捷包装（苏州）股份有限公司 | Method for preparing long fiber composite board by adopting straw base material |
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| CN102796266A (en) * | 2012-09-13 | 2012-11-28 | 哈尔滨理工大学 | Multiwall carbon nanotube-polysilane composite material and preparation method thereof |
| CN108608550A (en) * | 2018-05-03 | 2018-10-02 | 李建州 | A kind of agricultural crop straw anti-corrosive antibacterial flame retardant fibre board and preparation method thereof |
| CN108656305A (en) * | 2018-05-17 | 2018-10-16 | 李建州 | A kind of agricultural crop straw environmental protection flame retardant non-glue fibre board and preparation method thereof |
| CN109174004A (en) * | 2018-11-05 | 2019-01-11 | 广西中烟工业有限责任公司 | A kind of active carbon that improves is to the method and application of essence sustained release performance |
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2019
- 2019-09-09 CN CN201910848392.XA patent/CN110524644A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020075340A (en) * | 2002-08-27 | 2002-10-04 | 김수현 | Put agricultural by-products ( wheat straw, rice straw, corn straw) to practical use, specia processing, new material development and manufacturing techinique. |
| CN102796266A (en) * | 2012-09-13 | 2012-11-28 | 哈尔滨理工大学 | Multiwall carbon nanotube-polysilane composite material and preparation method thereof |
| CN108608550A (en) * | 2018-05-03 | 2018-10-02 | 李建州 | A kind of agricultural crop straw anti-corrosive antibacterial flame retardant fibre board and preparation method thereof |
| CN108656305A (en) * | 2018-05-17 | 2018-10-16 | 李建州 | A kind of agricultural crop straw environmental protection flame retardant non-glue fibre board and preparation method thereof |
| CN109174004A (en) * | 2018-11-05 | 2019-01-11 | 广西中烟工业有限责任公司 | A kind of active carbon that improves is to the method and application of essence sustained release performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111203947A (en) * | 2020-01-15 | 2020-05-29 | 安捷包装（苏州）股份有限公司 | Method for preparing long fiber composite board by adopting straw base material |
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Application publication date: 20191203 |