CN106829133B - Wood powder-regenerated fiber composite pallet and preparation method thereof - Google Patents
Wood powder-regenerated fiber composite pallet and preparation method thereof Download PDFInfo
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- CN106829133B CN106829133B CN201710175348.8A CN201710175348A CN106829133B CN 106829133 B CN106829133 B CN 106829133B CN 201710175348 A CN201710175348 A CN 201710175348A CN 106829133 B CN106829133 B CN 106829133B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
- B65D19/40—Elements for spacing platforms from supporting surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00014—Materials for the load supporting surface
- B65D2519/00044—Combination, e.g. different elements made of different materials, laminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00049—Materials for the base surface
- B65D2519/00079—Combination, e.g. different elements made of different materials, laminates
Abstract
The present invention provides a kind of wood powder-regenerated fiber composite pallet and preparation method thereof, is related to pallet manufacture production technical field.The wood powder-regenerated fiber composite pallet includes upper layer wood powder composite layer, lower layer's wood powder composite layer and the regenerated fiber composite layer between the upper layer wood powder composite layer and lower layer's wood powder composite layer.Wood powder of the present invention-regenerated fiber composite pallet impact resistance is strong, and flexibility is good, and not easy to break, service life is long.
Description
Technical field
The present invention relates to pallets to manufacture production technical field, and in particular to a kind of wood powder-regenerated fiber composite pallet and its
Preparation method.
Background technique
Logistic storage pallet is as handling important during Logistics Operation, storage and transporting equipment, and fork truck is mating makes
Huge effect is played in modern logistics.
Currently, market top tray is mainly Wooden tray, cheap, bending strength is big, good, the bearing capacity of rigidity
Greatly, easily repairing, accuracy is high, but Wooden tray has following defects that
1, timber moisture-sensitive, it is mouldy, damage by worms, and can not clean, and surface sawdust fall off and the problem of screw corrodes also without
Method overcomes；
2, impact resistance is low, easy fracture, and service life is shorter；
3, stifling or high-temperature disinfection treatment is carried out；Limit the application of Wooden tray；
4, wood pallets are larger to the demand of timber, are unfavorable for protecting forest resources.In terms of development trend, raw material money
Source will be increasingly depleted.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of wood powder-regenerated fiber composite pallet and preparation method thereof,
The wood powder-regenerated fiber composite pallet impact resistance is strong, and flexibility is good, and not easy to break, service life is long.
(2) technical solution
In order to achieve the above object, the present invention utilizes the characteristic of wood powder and regenerated fiber, using upper layer wood powder composite layer, lower layer
The three-layered node of wood powder composite layer and the regenerated fiber composite layer between upper layer wood powder composite layer and lower layer's wood powder composite layer
Structure, not only ensure that the rigidity requirement of pallet, but also can guarantee the flexibility requirements of pallet.It specifically adopts the following technical scheme that and gives reality
It is existing:
On the one hand, the present invention provides a kind of wood powder-regenerated fiber composite pallet, the compound supports of wood powder-regenerated fiber
Disk include upper layer wood powder composite layer, lower layer's wood powder composite layer and be located at the upper layer wood powder composite layer and lower layer's wood powder composite layer
Between regenerated fiber composite layer.
Further, the upper layer wood powder composite layer and lower layer's wood powder composite layer include wood powder and adhesive；The wood
The weight ratio of powder and adhesive is 0.1~10:100；It is preferred that 1~5:100.
Further, the partial size of the wood powder is 5~5000nm；It is preferred that 10~4000nm.
Further, the regenerated fiber composite layer includes regenerated fiber and adhesive；The regenerated fiber and adhesive
Weight ratio be 0.1~10:100；It is preferred that 1~5:100.
Further, the diameter of the regenerated fiber is 5~15 μm, length is 0.1~10cm；Diameter is preferably 8~12 μ
M, length is 1~5cm；And the ratio of the length and diameter of the regenerated fiber is 0.006~2.
Further, the regenerated fiber is one or both of polyester fiber, vinal, polypropylene fibre
More than.
Further, the adhesive is one kind or two of phenolic resin, Lauxite, epoxy resin or polyurethane adhesive
Kind or more.
Further, the thickness ratio of the upper layer wood powder composite layer, regenerated fiber composite layer and lower layer's wood powder composite layer is
1-10:70-98:1-10.
On the other hand, the present invention also provides a kind of wood powder-regenerated fiber composite pallet preparation sides as described above
Method, the preparation method include the following steps:
Step 1: being that 0.1~10:100 stocks up according to wood powder and adhesive and weight ratio, according to regenerated fiber and glue
Stick and weight ratio are that 0.1~10:100 stocks up；Preferably 1~5:100；
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min, it will
It is sprayed in the wood powder in mixing machine after adhesive atomization, 5~300min is stirred, to obtain wood powder compound；
Step 3: the regenerated fiber got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min
In, it is sprayed in the regenerated fiber in mixing machine after adhesive is atomized, stirs 5~300min, so that it is multiple that regenerated fiber is made
Close object；
Step 4: first successively mat formation in the laying of mold wood powder compound, regenerated fiber compound and wood powder compound；
Then under the conditions of hot pressing temperature is 100~200 DEG C, hot pressing weight is 500~1500 tons, hot pressing time 20~300 seconds, thus
Wood powder-regenerated fiber composite core material pallet is made.
Further, the three-decker includes upper layer wood powder composite layer, intermediate regenerated fiber composite layer and understorey
Powder composite layer, thickness ratio are 1~10:70~98:1~10；The spray rate of the adhesive is 0.4~10kg/min.
(3) beneficial effect
Beneficial effects of the present invention:
1, wood powder of the invention-regenerated fiber composite pallet impact resistance is strong, has good flexibility, not easily broken
It splitting, not being afraid of insect bite, antiacid alkali is ageing-resistant, and it is not hygroscopic, it is unlikely to deform, service life is long.
2, the wood powder in the present invention can with wood shavings, sawdust, rice husk, wood leftover bits and pieces and timber the processing such as leftover pieces and
At overall cost is low, and product has competitiveness；With good mechanical performance, durability is good, and reuse rate is high, can be recycled
It utilizes, so as to save a large amount of forest reserves, disposes the exhaust gas wood powder in a large amount of timber processing, greatly facilitate life
The protection and improvement of state environment.
3, wood powder of the invention-regenerated fiber composite pallet production technology does not need to carry out stifling or high-temperature disinfection treatment,
It is widely used.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is wood powder of the invention-regenerated fiber composite pallet perspective view；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the front view of Fig. 1.
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
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained under that premise of not paying creative labor, shall fall within the protection scope of the present invention.
As shown in Figure 1-3, wood powder-the regenerated fiber is multiple this gives a kind of wood powder-regenerated fiber composite pallet
Pallet is closed to include upper layer wood powder composite layer 1, lower layer's wood powder composite layer 3 and answer positioned at upper layer wood powder composite layer 1 and lower layer's wood powder
Close the regenerated fiber composite layer 2 between layer 3.Upper layer wood powder composite layer 1 and lower layer's wood powder composite layer 1 include wood powder and gluing
The weight ratio of agent, power wood powder and adhesive is 0.1~10:100；It is preferred that 1~5:100.It can guarantee the high sexual valence of pallet in this way
Than it is very little on the one hand to avoid resin added, causes product adhesion strength inadequate；On the other hand it is too many in turn avoid resin added, increases
Add product cost.
When the partial size of wood powder is too small, i.e., particle is too small, is easy dust, and large specific surface area, composes plate and needs more
Adhesive, when the partial size of wood powder is too big, i.e. wood powder particle is larger, then is unfavorable for the bonding of wood powder.Therefore, the wood of the present embodiment
The partial size of powder is generally 5~5000nm；It is preferred that 10~4000nm.
Regenerated fiber composite layer includes regenerated fiber and adhesive；The weight ratio of regenerated fiber and adhesive is 0.1~10:
100；It is preferred that 1~5:100.Both can be very little to avoid resin added, cause product adhesion strength inadequate；It again can be to avoid resin added too
It is more, increase product cost.
The diameter of regenerated fiber is 5~15 μm, length is 0.1~10cm；Diameter is preferably 8~12 μm, length be 1~
5cm；And the ratio (i.e. the major diameter of regenerated fiber) of the length and diameter of regenerated fiber is 0.006~2.When the major diameter of regenerated fiber
Than less than 0.006, being easy fibre dust, and large specific surface area, composes plate and need more adhesive；When regenerated fiber
Draw ratio is greater than 2, and fiber is longer, Yi Chengtuan, is unfavorable for the bonding of fiber.
Regenerated fiber is the mixture of one or more of polyester fiber, vinal, polypropylene fibre.
Adhesive is one or more kinds of mixing of phenolic resin, Lauxite, epoxy resin or polyurethane adhesive
Object.
Since wood powder layer is too thin, it is unfavorable for forming, too thick, pallet brittleness after molding increases, and is more easily damaged.This implementation
In upper layer wood powder composite layer, regenerated fiber composite layer and lower layer's wood powder composite layer thickness ratio be 1-10:70-98:1-10.
On the other hand, the present invention also provides a kind of wood powder-regenerated fiber composite pallet preparation sides as described above
Method, the preparation method include the following steps:
Step 1: Step 1: being that 0.1~10:100 stocks up according to wood powder and adhesive and weight ratio, according to regeneration
Fiber and adhesive and weight ratio are that 0.1~10:100 stocks up；Preferably 1~5:100.
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min, it will
It is sprayed in the wood powder in mixing machine after first part of adhesive atomization, 5~300min is stirred, to obtain wood powder compound.
Step 3: the regenerated fiber got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min
In, after second part of adhesive is atomized, it is sprayed in the regenerated fiber in mixing machine with the spray rate of 0.4~10kg/min,
5~300min is stirred, so that regenerated fiber compound be made；
Step 4: first successively mat formation in the laying of mold wood powder compound, regenerated fiber compound and wood powder compound；
Then under the conditions of hot pressing temperature is 100~200 DEG C, hot pressing weight is 500~1500 tons, hot pressing time 20~300 seconds, thus
Wood powder-regenerated fiber composite core material pallet is made.
Three-decker in this step includes that upper layer wood powder composite layer, intermediate regenerated fiber composite layer and lower layer's wood powder are multiple
Layer is closed, thickness ratio is 1~10:70~98:1~10；The spray rate of adhesive is 0.4~10kg/min.
Embodiment 1:
Step 1: wood powder and phenolic resin, polyester fiber and phenolic resin is standby by weight carrying out for 0.1:100
Material.
The partial size of wood powder in the present embodiment is 5nm, and the diameter of polyester fiber is 5 μm, length 0.1cm, polyester fiber
Major diameter be 0.006.
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 100r/min, by phenolic aldehyde tree
It after rouge atomization, is sprayed in the wood powder in mixing machine with the spray rate of 0.4kg/min, stirs 5min, so that it is multiple to obtain wood powder
Close object.
Step 3: the polyester fiber got ready in step 1 is placed in the internal mixers that revolving speed is 100r/min, by phenol
It after the atomization of urea formaldehyde mist, is sprayed in the polyester fiber in mixing machine with the spray rate of 0.4kg/min, stirs 5min, thus
Polyester fiber compound is made.
Step 4: successively mat formation in the laying of mold wood powder compound, phenolic resin compound and wood powder compound；So
Afterwards under the conditions of hot pressing temperature is 100 DEG C, hot pressing weight is 500 tons, hot pressing time 20 seconds, so that wood powder-regenerated fiber be made
Composite core material pallet.
The wood powder of the present embodiment-regenerated fiber composite pallet upper layer wood powder composite layer, phenolic resin composite layer and lower layer
The thickness of wood powder composite layer is respectively 0.5mm, 35mm, 5mm；2 tons of quiet bearing capacity.
Embodiment 2:
Step 1: by wood powder and Lauxite, vinal and Lauxite according to weight ratio be 10:100 into
Row stock.
The partial size of wood powder in the present embodiment is 5000nm, and the diameter of vinal is 15 μm, length 10cm, is gathered
The draw ratio of alcohol fibers is 2.
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 5000r/min, by ureaformaldehyde tree
It after rouge atomization, is sprayed in the wood powder in mixing machine with the spray rate of 10kg/min, stirs 300min, so that it is multiple to obtain wood powder
Close object.
Step 3: the vinal got ready in step 1 is placed in the internal mixers that revolving speed is 5000r/min,
It after Lauxite is atomized, is sprayed in the vinal in mixing machine, is stirred with the spray rate of 10kg/min
300min, so that vinal compound be made.
Step 4: first successively mat formation in the laying of mold wood powder compound, vinal compound and wood powder are multiple
Close object；Then under the conditions of hot pressing temperature is 200 DEG C, hot pressing weight is 1500 tons, hot pressing time 300 seconds, so that wood powder-be made
Regenerated fiber composite core material pallet.
The wood powder of the present embodiment-regenerated fiber composite pallet upper layer wood powder composite layer, vinal composite layer and
The thickness of lower layer's wood powder composite layer is respectively 5mm, 400mm, 5mm；3.5 tons of static load.
Embodiment 3:
Step 1: wood powder and epoxy resin, polypropylene fibre and epoxy resin is standby for 1:100 progress according to weight ratio
Material.
The partial size of wood powder in the present embodiment is 10nm, and the diameter of polypropylene fibre is 8 μm, length 1cm, and polypropylene is fine
The draw ratio of dimension is 0.090.
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 2500r/min, by asphalt mixtures modified by epoxy resin
It after rouge atomization, is sprayed in the wood powder in mixing machine with the spray rate of 5kg/min, stirs 150min, so that it is multiple to obtain wood powder
Close object.
Step 3: the polypropylene fibre got ready in step 1 is placed in the internal mixers that revolving speed is 2500r/min, it will
It after epoxy resin atomization, is sprayed in the polypropylene fibre in mixing machine with the spray rate of 5kg/min, stirs 150min, from
And polypropylene fibre compound is made.
Step 4: first successively mat formation in the laying of mold wood powder compound, polypropylene fibre compound and wood powder are compound
Object；Then under the conditions of hot pressing temperature is 150 DEG C, hot pressing weight is 1000 tons, hot pressing time 150 seconds, so that wood powder-be made again
Raw fiber composite core material pallet.
The wood powder of the present embodiment-regenerated fiber composite pallet upper layer wood powder composite layer, polypropylene fibre composite layer and under
The thickness of layer wood powder composite layer is respectively 1mm, 98mm, 2.5mm；2.5 tons of static load.
Embodiment 4:
Step 1: by wood powder and polyurethane adhesive, polypropylene fibre and polyurethane adhesive according to weight ratio be 2.5:100 carry out
Stock.
The partial size of wood powder in the present embodiment is 30nm, and the diameter of polypropylene fibre is 10 μm, length 3cm, and poly- third
The draw ratio of alkene fiber is 1.
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 3500r/min, by polyurethane
It after glue atomization, is sprayed in the wood powder in mixing machine with the spray rate of 7kg/min, stirs 200min, so that it is multiple to obtain wood powder
Close object.
Step 3: the polypropylene fibre got ready in step 1 is placed in the internal mixers that revolving speed is 3500r/min, it will
It after polyurethane adhesive atomization, is sprayed in the polypropylene fibre in mixing machine with the spray rate of 7kg/min, stirs 200min, from
And polypropylene fibre compound is made.
Step 4: first successively mat formation in the laying of mold wood powder compound, polypropylene fibre compound and wood powder are compound
Object；Then under the conditions of hot pressing temperature is 150 DEG C, hot pressing weight is 1000 tons, hot pressing time 150 seconds, so that wood powder-be made again
Raw fiber composite core material pallet.
The wood powder of the present embodiment-regenerated fiber composite pallet upper layer wood powder composite layer, polypropylene fibre composite layer and under
The thickness of layer wood powder composite layer is respectively 2.5mm, 98mm, 2.5mm；2.7 tons of static load.
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 (5)
1. a kind of wood powder-regenerated fiber composite pallet, which is characterized in that the wood powder-regenerated fiber composite pallet includes upper layer
Wood powder composite layer, lower layer's wood powder composite layer and the regeneration between the upper layer wood powder composite layer and lower layer's wood powder composite layer
Fiber composite；The upper layer wood powder composite layer and lower layer's wood powder composite layer include wood powder and adhesive；The wood powder and glue
The weight ratio of stick is 0.1~10:100；The partial size of the wood powder is 5~30nm；
The regenerated fiber composite layer includes regenerated fiber and adhesive；The weight ratio of the regenerated fiber and adhesive is 0.1
~10:100；
The wood powder can use the leftover pieces of wood shavings, sawdust, rice husk, wood leftover bits and pieces and timber；
The diameter of the regenerated fiber is 5~15 μm, length is 0.1~10cm；And the length and diameter of the regenerated fiber
Ratio is 0.006~2；
The preparation method includes the following steps:
Step 1: being that 0.1~10:100 stocks up according to wood powder and adhesive and weight ratio, according to regenerated fiber and adhesive
And weight ratio is that 0.1~10:100 stocks up；
Step 2: the wood powder got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min, by gluing
It is sprayed in the wood powder in mixing machine after agent atomization, 5~300min is stirred, to obtain wood powder compound；
Step 3: the regenerated fiber got ready in step 1 is placed in the internal mixers that revolving speed is 100~5000r/min, it will
It is sprayed in the regenerated fiber in mixing machine after adhesive atomization, stirs 5~300min, so that regenerated fiber compound be made；
Step 4: first successively mat formation from top to bottom in the laying of mold wood powder compound, regenerated fiber compound and wood powder are multiple
Close object；Then under the conditions of hot pressing temperature is 100~200 DEG C, hot pressing weight is 500~1500 tons, hot pressing time 20~300
Second, so that wood powder-regenerated fiber composite core material pallet of three-decker be made.
2. wood powder according to claim 1-regenerated fiber composite pallet, which is characterized in that the regenerated fiber is polyester
One or more of fiber, vinal, polypropylene fibre.
3. wood powder according to claim 1-regenerated fiber composite pallet, which is characterized in that the adhesive is phenolic aldehyde tree
The one or more of rouge, Lauxite, epoxy resin or polyurethane adhesive.
4. wood powder according to claim 1-regenerated fiber composite pallet, which is characterized in that the upper layer wood powder composite layer,
The thickness ratio of regenerated fiber composite layer and lower layer's wood powder composite layer is 1~10:70~98:1~10.
5. wood powder according to claim 1-regenerated fiber composite pallet, which is characterized in that the three-decker includes upper
Layer wood powder composite layer, intermediate regenerated fiber composite layer and lower layer's wood powder composite layer, thickness ratio be 1~10:70~98:1~
10；The spray rate of the adhesive is 0.4~10kg/min.
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| CN201710175348.8A CN106829133B (en) | 2017-03-22 | 2017-03-22 | Wood powder-regenerated fiber composite pallet and preparation method thereof |
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| CN201710175348.8A CN106829133B (en) | 2017-03-22 | 2017-03-22 | Wood powder-regenerated fiber composite pallet and preparation method thereof |
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| CN102019637A (en) * | 2010-10-21 | 2011-04-20 | 张娅儿 | Method for manufacturing integrated circuit tray with degraded plant fibers |
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| CN103507139B (en) * | 2013-10-11 | 2015-07-29 | 中国林业科学研究院木材工业研究所 | A kind of manufacture method of formaldehyde-free solid-wood composite board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733788A (en) * | 2008-11-25 | 2010-06-16 | 黎夏良 | composite plywood |
| CN103317585A (en) * | 2013-05-27 | 2013-09-25 | 新凯骅实业发展有限公司 | Environmental-friendly ecological plant fibreboard and shaving board and manufacture method thereof |
| CN203428162U (en) * | 2013-08-05 | 2014-02-12 | 芜湖欧宝机电有限公司 | Package tray of hermetically sealed refrigeration compressor |
| EP2894047A1 (en) * | 2014-01-10 | 2015-07-15 | Unilin, BVBA | Method for manufacturing panels having a decorative surface |
| CN105001483A (en) * | 2015-06-10 | 2015-10-28 | 苏州宏恒化工有限公司 | Polyvinyl wood-plastic composite and preparation method thereof |
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|---|---|
| CN106829133A (en) | 2017-06-13 |
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