CN108407034A - A kind of wooden functional material and preparation method thereof that metallizes - Google Patents
A kind of wooden functional material and preparation method thereof that metallizes Download PDFInfo
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- CN108407034A CN108407034A CN201810238200.9A CN201810238200A CN108407034A CN 108407034 A CN108407034 A CN 108407034A CN 201810238200 A CN201810238200 A CN 201810238200A CN 108407034 A CN108407034 A CN 108407034A
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- 239000000463 material Substances 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 90
- 239000002131 composite material Substances 0.000 claims abstract description 42
- 241000196324 Embryophyta Species 0.000 claims abstract description 40
- 238000001465 metallisation Methods 0.000 claims abstract description 39
- 239000002023 wood Substances 0.000 claims abstract description 37
- 229910001152 Bi alloy Inorganic materials 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 18
- 241000209504 Poaceae Species 0.000 claims abstract description 16
- 239000000025 natural resin Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims description 30
- 239000004033 plastic Substances 0.000 claims description 30
- 229920001903 high density polyethylene Polymers 0.000 claims description 20
- 239000004700 high-density polyethylene Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 229920002488 Hemicellulose Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 229920005610 lignin Polymers 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 241000168036 Populus alba Species 0.000 claims 1
- 239000004035 construction material Substances 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 abstract description 4
- 239000008204 material by function Substances 0.000 abstract description 3
- 241000219000 Populus Species 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 reinforcing bar Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 229910000634 wood's metal Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- B27L11/06—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of wooden functional materials of metallization and preparation method thereof.A kind of wooden functional material of metallization is made of tall and big gramineae plant stalk, wood composite powder, sn-bi alloy and four class Material cladding of natural resin, and preparation method includes plant haulm pretreatment, prepared by wood composite powder, plant haulm wears silk, raw material is mated formation, die forming, cuts six steps.Using the wooden functional material intensity of the metallization for preparing of the present invention, high and isotropism, electrical and thermal conductivity performance be good and anisotropy, the fields such as electromagnetic shielding, system thermal management and wide spectrum construction material are can be widely used for, are a kind of environmental-friendly wooden functional materials of metallization.
Description
Technical field
The invention belongs to field of new materials, more particularly to a kind of wooden functional material of metallization and preparation method thereof, using this
Invent that the wooden functional material intensity of metallization prepared is high and isotropism, electrical and thermal conductivity performance are good and anisotropy, it can be extensive
For being electromagnetically shielded, the fields such as system thermal management and wide spectrum construction material, be a kind of environmental-friendly wooden functional material of metallization.
Background technology
Before the appearance of the engineering material such as reinforcing bar, cement, wood-based plate, the mankind are undoubtedly natural wood using most ancient material
Material.Some researchers focus on sight on this ancient renewable natural material in recent years, it is intended to allow it in the modern times
Play the part of prior role in life.
The composite material of timber and metal combines the advantages of timber and metal, to can realize timber high performance and
Functionalization is to improve one of the important means of timber added value.So far, the research of timber and metallic composite mainly has
Following achievement：Metal-faced plank, wood metal multiple tube, surface metalation timber, metalized wood etc..But these composite woods
Or material be unable to do without adhesive or too busy to get away fair log or density is relatively low；Therefore, no matter in environmental protection, section material, still
All there is certain limitation in application field.Then it can create conditions and make up these deficiencies, not have to adhesive as far as possible, to the greatest extent may be used
Fair log can not be had to（Use residue, even agricultural crop straw instead）, make full use of modern material forming and toughening technology real
Now the metallization high density of wood materials, high intensity with it is multi-functional, and then obtain and can be widely used for being electromagnetically shielded, system thermal management
And the new material in the fields such as construction industry, it has also become new problem urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of wooden functional material of metallization, the wooden work(of metallization prepared using the present invention
Can material intensity is high and isotropism, electrical and thermal conductivity performance are good and anisotropy, can be widely used for being electromagnetically shielded, system heat pipe
The fields such as reason and wide spectrum construction material are a kind of environmental-friendly wooden functional materials of metallization.
The invention also discloses a kind of preparation methods of the wooden functional material of metallization.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of wooden functional material of metallization, the metal
Change wooden functional material by tall and big gramineae plant stalk, four class Material cladding of wood composite powder, sn-bi alloy and natural resin
It is made.
Preferably, the tall and big gramineae plant stalk is the reed of 10~15mm of diameter or the stalk of small piano wire bamboo.
Preferably, the wood composite powder is wooden powder and life made of the stalk leftover bits and pieces of reed or small piano wire bamboo
The uniform mixture of object plastic powders, the uniform the stone size are 0.075~0.045mm；The wooden powder and biology
The ratio 1 of plastic powders:1.
Preferably, percentage, the biological plastics powder include：It is high density polyethylene (HDPE) 60%~70%, wooden
Powder 30%~40%；The wooden powder is made of the stalk leftover bits and pieces of reed or small piano wire bamboo.
Preferably, the biological plastics powder be high density polyethylene (HDPE) and wooden powder mixture through being kneaded, being crushed, carefully
The wood plastics composite powder that grain size is 0.15~0.25mm made of mill, screening process.
Preferably, the sn-bi alloy is fusing point between 135~180 DEG C of sn-bi alloy silk, and string diameter is 3~5mm.
Preferably, the natural resin is poplar extract.
A kind of preparation method of the wooden functional material of metallization, includes the following steps：
Step 1：Plant haulm pre-processes：The reed of a diameter of 10~15mm or the stalk of small piano wire bamboo are taken, removes stem after drying
Stalk head and tail portion, obtain equal length stalk, and the vacuum dried moisture control by equal length stalk is 12%~15%；Then
Equal length stalk is impregnated into 3~12h under 15~35 DEG C of environment temperatures in the NaOH solution that mass percent is 5%~15%,
The hemicellulose level of equal length stalk is set to reduce by 40%~60% through rinsing, drying；It is again 1 in mass ratio by equal length stalk:1
Acetic acid and hydrogen peroxide mixed solution in impregnate 2~8h, soaking temperature be 15~35 DEG C, make equal length stalk through rinsing, drying
Content of lignin reduce by 40%~60%；Finally the hollow hole of equal length stalk is dredged by the band point steel wire that string diameter is 4~6mm
It is logical, it is spare to obtain pretreatment plant haulm；
Step 2：It is prepared by wood composite powder：First, the leftover bits and pieces of reed or small piano wire culm stalk that step 1 of learning from else's experience generates, warp
Dry, crushing obtains wooden powder with screening；Then, by weight 1:1 is added biological plastics powder, is stirred by strong spiral
It is spare that 15~30min of batch mixer mixing obtains wood composite powder；
Step 3：Plant haulm wears silk：The sn-bi alloy silk is penetrated to the hollow of the pretreatment plant haulm obtained through step 1
In hole, keep the length of sn-bi alloy silk consistent with the pretreatment length of plant haulm, it is spare that a plant haulm is worn in acquisition；
Step 4：Raw material is mated formation：A plant haulm surface brush last layer natural resin is worn by what step 3 obtained first, is then stained with
One layer of step 2 gained wood composite powder, then it is parallel it is compact be paved in the die cavity of steel alloy finishing die, acquisition mat formation material wait for
Forming；Pavement thickness requires to determine according to forming technology；
Step 5：Die forming：To mating formation described in step 4, material implements die forming, obtains rectangular cross-sectional or square section
Metallize wooden functional material；Its forming process conditions is：150~300MPa of forming pressure, it 115~170 DEG C of forming temperature, protects
Warm 15~30min of dwell time, cooling medium are liquid nitrogen；
Step 6：It cuts：The wooden functional material of metallization first to the rectangular cross-sectional or square section that are obtained through step 5
Both ends cut, then the wooden functional material of metallizing is cut according to requirements.
Beneficial effects of the present invention：(1) the physics to gramineae plant stalk is passed through（It is dry）Chemistry（2 step such as lye extracts）
Remove part hemicellulose and lignin component, the cell wall of gramineae plant stalk made to become soft, and make more gaps with
Hydroxyl exposes, and is both convenient for dredging stalk centre bore, more conducively compound with other components, and the intensity to improving composite material is extremely closed
It is important；(2) prepared by wood composite powder, so that gramineae plant stalk raw material is fully used, between gramineae plant stalk
Compoiste adhering provide synergy packing material；(3) by interting the sn-bi alloy silk of low melting point at gramineae plant stalk center, both
The anisotropy that the electrical and thermal conductivity performance of composite material can be achieved, in turn, ensures that the die forming of composite material in lower temperature item
It is completed under part, to avoid leading to the intensity for reducing composite material because being seriously carbonized because forming temperature is excessively high；(4) by wearing silk
The parallel of plant haulm is mated formation, and the substantive characteristics of natural plants can be both made full use of and embody（Such as texture, fiber radial strength）,
It is easy to implement maximum again to mat formation density, more can ensure that the anisotropy of the conductive and heat-conductive of composite material；(5) by being obtained to forming
The metallization composite board both ends obtained cut removal, can effectively eliminate and be lacked caused by the error in length for wearing a plant haulm
It falls into, and then the anisotropy of the isotropism and electrical and thermal conductivity performance of the intensity for the wooden functional material finished product that ensures to metallize；⑹
The density of the wooden functional material of metallization prepared according to this case up to 1.2~1.3 g/cm3, tensile strength can reach 300~
450MPa can be used as alloy steel products, aluminium alloy engineering material or even include the alternative materials of titanium alloy, can be widely used for electromagnetic screen
It covers, the fields such as system thermal management and wide spectrum construction material, is a kind of environmental-friendly wooden functional material of metallization.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, the present invention is retouched in detail below
It states, the description of this part is only exemplary and explanatory, should not there is any restriction effect to protection scope of the present invention.
It is specific embodiment below
Embodiment 1
A kind of wooden functional material of metallization, the wooden functional material of metallization is by tall and big gramineae plant stalk, wood composite
Powder, sn-bi alloy and four class Material cladding of natural resin are made.
The tall and big gramineae plant stalk is the reed of diameter 10mm.
The wood composite powder is the uniform mixture of wooden powder and biological plastics powder made of reed leftover bits and pieces,
The uniform the stone size is 0.075~0.045mm；The ratio 1 of the wooden powder and biological plastics powder:1.
Percentage, the biological plastics powder include：High density polyethylene (HDPE) 60%, wooden powder 40%；It is described
Wooden powder is made of reed stalk leftover bits and pieces.
The biological plastics powder be high density polyethylene (HDPE) and wooden powder mixture through being kneaded, being crushed, fine grinding, screening
Grain size made of process is the wood plastics composite powder of 0.15~0.25mm.
The sn-bi alloy is fusing point between 135~180 DEG C of sn-bi alloy silk, string diameter 3mm.
The natural resin is poplar extract.
A kind of preparation method of the wooden functional material of metallization, includes the following steps：
Step 1：Plant haulm pre-processes：The reed stalk for taking a diameter of 10mm removes stalk head and tail portion, obtains after drying
Equal length stalk, the vacuum dried moisture control by equal length stalk is 12%；Then by equal length stalk in 15 DEG C of environment
At a temperature of mass percent be 5% NaOH solution in impregnate 3h, so that the hemicellulose of equal length stalk is contained through rinsing, drying
Amount reduces by 40%；It is again 1 in mass ratio by equal length stalk:2h, soaking temperature are impregnated in 1 acetic acid and hydrogen peroxide mixed solution
It is 15 DEG C, so that the content of lignin of equal length stalk is reduced by 40% through rinsing, drying；Finally by the band point steel wire that string diameter is 4mm
The hollow hole of equal length stalk is dredged, it is spare to obtain pretreatment plant haulm；
Step 2：It is prepared by wood composite powder：First, step 1 of learning from else's experience generate reed stalk leftover bits and pieces, through drying, crush with
Screening obtains wooden powder；Then, by weight 1:1 is added biological plastics powder, is mixed by strong spiral stir mixing machine
It is spare that 15min obtains wood composite powder；
Step 3：Plant haulm wears silk：The sn-bi alloy silk is penetrated to the hollow of the pretreatment plant haulm obtained through step 1
In hole, keep the length of sn-bi alloy silk consistent with the pretreatment length of plant haulm, it is spare that a plant haulm is worn in acquisition；
Step 4：Raw material is mated formation：A plant haulm surface brush last layer natural resin is worn by what step 3 obtained first, is then stained with
One layer of step 2 gained wood composite powder, then it is parallel it is compact be paved in the die cavity of steel alloy finishing die, acquisition mat formation material wait for
Forming；Pavement thickness requires to determine according to forming technology；
Step 5：Die forming：To mating formation described in step 4, material implements die forming, obtains rectangular cross-sectional or square section
Metallize wooden functional material；Its forming process conditions is：Forming pressure 150MPa, 115 DEG C of forming temperature, heat-insulation pressure keeping time
15min, cooling medium are liquid nitrogen；
Step 6：It cuts：The wooden functional material of metallization first to the rectangular cross-sectional or square section that are obtained through step 5
Both ends cut, then the wooden functional material of metallizing is cut according to requirements.
Embodiment 2
A kind of wooden functional material of metallization, the wooden functional material of metallization is by tall and big gramineae plant stalk, wood composite
Powder, sn-bi alloy and four class Material cladding of natural resin are made.
The tall and big gramineae plant stalk is the stalk of the small piano wire bamboo of diameter 15mm.
The wood composite powder is wooden powder made of the stalk leftover bits and pieces of small piano wire bamboo and biological plastics powder
Uniform mixture, the uniform the stone size are 0.075~0.045mm；The ratio of the wooden powder and biological plastics powder
Example 1:1.
Percentage, the biological plastics powder include：High density polyethylene (HDPE) 70%, wooden powder 30%；It is described
Wooden powder is made of the stalk leftover bits and pieces of small piano wire bamboo.
The biological plastics powder be high density polyethylene (HDPE) and wooden powder mixture through being kneaded, being crushed, fine grinding, screening
Grain size made of process is the wood plastics composite powder of 0.15~0.25mm.
The sn-bi alloy is fusing point between 135~180 DEG C of sn-bi alloy silk, string diameter 5mm.
The natural resin is poplar extract.
A kind of preparation method of the wooden functional material of metallization, includes the following steps：
Step 1：Plant haulm pre-processes：The stalk for taking the small piano wire bamboo of a diameter of 15mm, removes stalk head and tail after drying
Portion, obtains equal length stalk, the vacuum dried moisture control by equal length stalk, 15%；Then by equal length stalk
It is in mass percent under, 35 DEG C of environment temperatures, impregnated in 15% NaOH solution, 12h, makes equal length stem through rinsing, drying
The hemicellulose level of stalk reduces by 40%~60%；It is again 1 in mass ratio by equal length stalk:1 acetic acid and hydrogen peroxide mixing is molten
In liquid impregnate, 8h, soaking temperature be 35 DEG C, through rinse, dry so that the content of lignin of equal length stalk is reduced, 60%；Finally borrow
It helps the band point steel wire that string diameter is 6mm to dredge the hollow hole of equal length stalk, it is spare to obtain pretreatment plant haulm；
Step 2：It is prepared by wood composite powder：First, the leftover bits and pieces for the small piano wire culm stalk that step 1 of learning from else's experience generates, through drying, powder
It is broken to obtain wooden powder with screening；Then, by weight 1:1 is added biological plastics powder, by strong spiral stir mixing machine
It is spare that mixing 30min obtains wood composite powder；
Step 3：Plant haulm wears silk：The sn-bi alloy silk is penetrated to the hollow of the pretreatment plant haulm obtained through step 1
In hole, keep the length of sn-bi alloy silk consistent with the pretreatment length of plant haulm, it is spare that a plant haulm is worn in acquisition；
Step 4：Raw material is mated formation：A plant haulm surface brush last layer natural resin is worn by what step 3 obtained first, is then stained with
One layer of step 2 gained wood composite powder, then it is parallel it is compact be paved in the die cavity of steel alloy finishing die, acquisition mat formation material wait for
Forming；Pavement thickness requires to determine according to forming technology；
Step 5：Die forming：To mating formation described in step 4, material implements die forming, obtains rectangular cross-sectional or square section
Metallize wooden functional material；Its forming process conditions is：Forming pressure 300MPa, 170 DEG C of forming temperature, heat-insulation pressure keeping time
30min, cooling medium are liquid nitrogen；
Step 6：It cuts：The wooden functional material of metallization first to the rectangular cross-sectional or square section that are obtained through step 5
Both ends cut, then the wooden functional material of metallizing is cut according to requirements.
Embodiment 3
A kind of wooden functional material of metallization, the wooden functional material of metallization is by tall and big gramineae plant stalk, wood composite
Powder, sn-bi alloy and four class Material cladding of natural resin are made.
The tall and big gramineae plant stalk is the stalk of the small piano wire bamboo of diameter 13mm.
The wood composite powder is wooden powder made of the stalk leftover bits and pieces of small piano wire bamboo and biological plastics powder
Uniform mixture, the uniform the stone size are 0.075~0.045mm；The ratio of the wooden powder and biological plastics powder
Example 1:1.
Percentage, the biological plastics powder include：High density polyethylene (HDPE) 65%, wooden powder 35%；It is described
Wooden powder is made of the stalk leftover bits and pieces of small piano wire bamboo.
The biological plastics powder be high density polyethylene (HDPE) and wooden powder mixture through being kneaded, being crushed, fine grinding, screening
Grain size made of process is the wood plastics composite powder of 0.15~0.25mm.
The sn-bi alloy is fusing point between 135~180 DEG C of sn-bi alloy silk, string diameter 4mm.
The natural resin is poplar extract.
A kind of preparation method of the wooden functional material of metallization, includes the following steps：
Step 1：Plant haulm pre-processes：The stalk for taking the small piano wire bamboo of a diameter of 8mm, removes stalk head and tail after drying
Portion, obtains equal length stalk, and the vacuum dried moisture control by equal length stalk is 13%；Then equal length stalk is existed
10h is impregnated in the NaOH solution that mass percent is 10% under 20 DEG C of environment temperatures, makes equal length stalk through rinsing, drying
Hemicellulose level reduces by 50%；It is again 1 in mass ratio by equal length stalk:2 are impregnated in 1 acetic acid and hydrogen peroxide mixed solution
~8h, soaking temperature are 20 DEG C, so that the content of lignin of equal length stalk is reduced by 50% through rinsing, drying；It is by string diameter finally
The band point steel wire of 5mm dredges the hollow hole of equal length stalk, and it is spare to obtain pretreatment plant haulm；
Step 2：It is prepared by wood composite powder：First, the leftover bits and pieces for the small piano wire culm stalk that step 1 of learning from else's experience generates, through drying, powder
It is broken to obtain wooden powder with screening；Then, by weight 1:1 is added biological plastics powder, by strong spiral stir mixing machine
It is spare that mixing 20min obtains wood composite powder；
Step 3：Plant haulm wears silk：The sn-bi alloy silk is penetrated to the hollow of the pretreatment plant haulm obtained through step 1
In hole, keep the length of sn-bi alloy silk consistent with the pretreatment length of plant haulm, it is spare that a plant haulm is worn in acquisition；
Step 4：Raw material is mated formation：A plant haulm surface brush last layer natural resin is worn by what step 3 obtained first, is then stained with
One layer of step 2 gained wood composite powder, then it is parallel it is compact be paved in the die cavity of steel alloy finishing die, acquisition mat formation material wait for
Forming；Pavement thickness requires to determine according to forming technology；
Step 5：Die forming：To mating formation described in step 4, material implements die forming, obtains rectangular cross-sectional or square section
Metallize wooden functional material；Its forming process conditions is：Forming pressure 200MPa, 150 DEG C of forming temperature, heat-insulation pressure keeping time
20min, cooling medium are liquid nitrogen；
Step 6：It cuts：The wooden functional material of metallization first to the rectangular cross-sectional or square section that are obtained through step 5
Both ends cut, then the wooden functional material of metallizing is cut according to requirements.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include so that including a series of elements process, method, article or equipment not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.
Principle and implementation of the present invention are described for specific case used herein, the explanation of above example
It is merely used to help understand the method and its core concept of the present invention.The above is only a preferred embodiment of the present invention, it answers
When pointing out due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.
Claims (8)
1. a kind of wooden functional material of metallization, which is characterized in that the wooden functional material of metallization is by tall and big gramineae plant
Stalk, wood composite powder, sn-bi alloy and four class Material cladding of natural resin are made.
2. a kind of wooden functional material of metallization according to claim 1, which is characterized in that the tall and big gramineae plant stem
Stalk is the reed of 10~15mm of diameter or the stalk of small piano wire bamboo.
3. a kind of wooden functional material of metallization according to claim 1, which is characterized in that the wood composite powder is
The uniform mixture of wooden powder and biological plastics powder made of the stalk leftover bits and pieces of reed or small piano wire bamboo, it is described uniformly mixed
It is 0.075~0.045mm to close material grain size；The ratio 1 of the wooden powder and biological plastics powder:1.
4. a kind of wooden functional material of metallization according to claim 3, which is characterized in that percentage, institute
Stating biological plastics powder includes：High density polyethylene (HDPE) 60%~70%, wooden powder 30%~40%；The wooden powder by reed or
The stalk leftover bits and pieces of small piano wire bamboo is made.
5. a kind of wooden functional material of metallization according to claim 4, which is characterized in that the biological plastics powder is
High density polyethylene (HDPE) and the mixture of wooden powder are through being kneaded, being crushed, fine grinding, grain size made of screening process be 0.15~
The wood plastics composite powder of 0.25mm.
6. a kind of wooden functional material of metallization according to claim 1, which is characterized in that the sn-bi alloy is fusing point
Between 135~180 DEG C of sn-bi alloy silk, string diameter is 3~5mm.
7. a kind of wooden functional material of metallization according to claim 1, which is characterized in that the natural resin is white poplar
The wooden extract.
The preparation method of wooden functional material 8. any one as described in claim 1-7 metallizes, which is characterized in that including
Following steps：
Step 1：Plant haulm pre-processes：The reed of a diameter of 10~15mm or the stalk of small piano wire bamboo are taken, removes stem after drying
Stalk head and tail portion, obtain equal length stalk, and the vacuum dried moisture control by equal length stalk is 12%~15%；Then
Equal length stalk is impregnated into 3~12h under 15~35 DEG C of environment temperatures in the NaOH solution that mass percent is 5%~15%,
The hemicellulose level of equal length stalk is set to reduce by 40%~60% through rinsing, drying；It is again 1 in mass ratio by equal length stalk:1
Acetic acid and hydrogen peroxide mixed solution in impregnate 2~8h, soaking temperature be 15~35 DEG C, make equal length stalk through rinsing, drying
Content of lignin reduce by 40%~60%；Finally the hollow hole of equal length stalk is dredged by the band point steel wire that string diameter is 4~6mm
It is logical, it is spare to obtain pretreatment plant haulm；
Step 2：It is prepared by wood composite powder：First, the leftover bits and pieces of reed or small piano wire culm stalk that step 1 of learning from else's experience generates, warp
Dry, crushing obtains wooden powder with screening；Then, by weight 1:1 is added biological plastics powder, is stirred by strong spiral
It is spare that 15~30min of batch mixer mixing obtains wood composite powder；
Step 3：Plant haulm wears silk：The sn-bi alloy silk is penetrated to the hollow of the pretreatment plant haulm obtained through step 1
In hole, keep the length of sn-bi alloy silk consistent with the pretreatment length of plant haulm, it is spare that a plant haulm is worn in acquisition；
Step 4：Raw material is mated formation：A plant haulm surface brush last layer natural resin is worn by what step 3 obtained first, is then stained with
One layer of step 2 gained wood composite powder, then it is parallel it is compact be paved in the die cavity of steel alloy finishing die, acquisition mat formation material wait for
Forming；Pavement thickness requires to determine according to forming technology；
Step 5：Die forming：To mating formation described in step 4, material implements die forming, obtains rectangular cross-sectional or square section
Metallize wooden functional material；Its forming process conditions is：150~300MPa of forming pressure, it 115~170 DEG C of forming temperature, protects
Warm 15~30min of dwell time, cooling medium are liquid nitrogen；
Step 6：It cuts：The wooden functional material of metallization first to the rectangular cross-sectional or square section that are obtained through step 5
Both ends cut, then the wooden functional material of metallizing is cut according to requirements.
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| CN109877927A (en) * | 2019-01-28 | 2019-06-14 | 北京科技大学 | A kind of big density is respectively to the preparation method of conductive anisotropic metalized wood |
| CN112409808A (en) * | 2020-11-13 | 2021-02-26 | 中南林业科技大学 | Metalized wooden wave-absorbing plate and preparation method thereof |
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| CN114806206B (en) * | 2022-07-01 | 2022-09-02 | 青岛易旅家居科技有限公司 | Modified degradable biomass fiber and preparation method thereof |
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