CN106079025A - A kind of bend resistance carbon fiber wood composite fibre board and preparation method thereof - Google Patents
A kind of bend resistance carbon fiber wood composite fibre board and preparation method thereof Download PDFInfo
- Publication number
- CN106079025A CN106079025A CN201610590368.7A CN201610590368A CN106079025A CN 106079025 A CN106079025 A CN 106079025A CN 201610590368 A CN201610590368 A CN 201610590368A CN 106079025 A CN106079025 A CN 106079025A
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- China
- Prior art keywords
- carbon fiber
- wood
- fiber
- fibre board
- resin adhesive
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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
- 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
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of bend resistance carbon fiber wood composite fibre board, be prepared by the raw materials in: the wood fiber 100 110, urea-formaldehyde resin adhesive 10 11, nano nickel 10 11, dehydrated alcohol are appropriate, 5 8mm chopped carbon fibers 33 35, acetone 1.7 1.9, isocyanate resin adhesive 3.3 3.5, ammonium chloride 5.6 5.9, nano titanium oxide 2.5 3, ultra-fine fully vulcanized powder rubber 1.8 2.2, nanometer WS21.4 1.8, Ludox 0.6 0.8.The present invention uses nano nickel dispersion liquid to impregnate the wood fiber, improves electromagnet shield effect.By nanometer WS2Infiltrate into inside the wood fiber, smooth surface so that sheet material easily cuts, aging resistance, anti-deformation；Ultra-fine fully vulcanized powder rubber, Ludox improve the adhesion strength of adhesive, improve toughness and the intensity of sheet material, improve buckle resistance, and resistance to water improves simultaneously.
Description
Technical field
The present invention relates to fibre board technical field, particularly relate to a kind of bend resistance carbon fiber wood composite fibre board and system thereof
Preparation Method.
Background technology
Along with the high speed development of material science, functional material is increasingly paid close attention to by scholars.Wherein, tool
Have high-performance, the composite wooden material of high added value has been increasingly becoming the study hotspot in this field.For meeting people to wooden
Many-sided performance requirement of material, Carbon Fiber-wood Composites material arises at the historic moment.The distinguishing feature of composite is its microcosmic
The designability of structure, the microstructure of material will determine its macro property.But due to sheet material in the course of processing because of carbon fiber
Light weight, smooth surface and being difficult to is mixed homogeneously with wood fibre and glue and electric conduction of carbon fiber has directivity.Thus easily cause
The problems such as sheet material local electrical resistance is high, and between zones of different, conductive effect difference is big, overall mechanics unstable properties.How to pass through science
The microstructure of sheet material is organically combined by means with macro property, thus improves the manufacturing process of sheet material, improves raw material
The homogenization degree of mixing becomes problem demanding prompt solution." segmentation of Carbon Fiber-wood Composites material SEM image and performance microcosmic table
Levy research " first pass through sheet material heat pressing process and complete the preparation of carbon fiber composite wood board, and the broad perspectives to model sheet material
Can test, including electric conductivity (surface resistivity), mechanical property (density, internal bond strength, MOR, springform
Amount and expansion rate of water absorption), capability of electromagnetic shielding, test data are analyzed, hold chopped carbon under the conditions of Different Preparation
Fiber composite wooden material characteristic variations rule, studies the composite microcosmic homogenization degree effect characteristics to macro property；
Model electron micrograph image is processed, from image by the image processing techniques then in conjunction with varimax with mathematical morphology
In the most complete acquisition carbon fiber image, using it as carbon fiber important evidence of uniformity coefficient in composite board；Finally
Carrying out characterizing the feature extraction of carbon fiber homogenization to the carbon fiber image extracted, selected characteristic quantity is area
Ratio, mean breadth and length-width ratio etc., it is intended that the microstructure characteristic of sheet material is combined with macro physical performance, and makees with this
For analyzing model actual application value and the important evidence improving manufacturing process.
By the research of this article, when the addition of carbon fiber is the 20% of wood fiber quality, the internal bond strength of composite
Reaching 5447MPa for 0.88MPa, MOR 36.8MPa, elastic modelling quantity, indices is better than common medium density fibre board (MDF), with
The addition carbon fiber continues to increase, and properties declines.When the addition of carbon fiber is the 20% of wood fiber quality, do not have
Reach 30dBm, not there is effective electromagnet shield effect.Want to have more preferable mechanical property and electromagnetism so that fibre board simultaneously
Shield effectiveness, needs to be modified material.And along with growth in the living standard, the anti-flammability of fibre board, resistance to water, strong
The performances such as degree, anti-radiation, heat insulation property, buckle resistance are also required to improve.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of bend resistance carbon fiber wood composite fiber
Plate and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of bend resistance carbon fiber wood composite fibre board, is prepared by the raw materials in: wood fiber 100-110, urea aldehyde
Resin adhesive 10-11, nano nickel 10-11, dehydrated alcohol are appropriate, 5-8mm chopped carbon fiber 33-35, acetone 1.7-1.9, different
Cyanic acid Resin adhesive 3.3-3.5, ammonium chloride 5.6-5.9, nano titanium oxide 2.5-3, ultra-fine fully vulcanized powder rubber 1.8-
2.2, nanometer WS21.4-1.8, Ludox 0.6-0.8.
The preparation method of described bend resistance carbon fiber wood composite fibre board, comprises the following steps:
(1) nano nickel is added in dehydrated alcohol, be configured to the dispersion liquid of 4-4.3wt%, add nanometer WS2 and stir, will
The wood fiber, in hot press, compresses at 70-75 DEG C, and compression ratio is 30-35%, is immediately placed in the dispersion liquid of nano nickel, soaks
120-140 minute, taking out, being dried at 60-65 DEG C to moisture content is 12-15%, obtains innovation wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, adds ultra-fine fully vulcanized powder rubber, Ludox, then with carbon
Fiber mixes, and obtains modified carbon fiber；
(3) by other residual components mix homogeneously, mix homogeneously with innovation wood fiber, modified carbon fiber, mat formation, at 170-
Carry out hot pressing 20-25s/mm at 175 DEG C, to obtain final product.
The invention have the advantage that the present invention uses nano nickel dispersion liquid to impregnate the wood fiber so that nano nickel enters
The hole of the wood fiber, improves the density of fiber, hardness, MOR and elastic modelling quantity, also improves the anticorrosion of the wood fiber
Property；Coordinate with carbon fiber so that electromagnetic wave forms multiple reflections, improves electromagnet shield effect simultaneously, solve carbon fiber and hold
Easily causing sheet material local electrical resistance high, between zones of different, conductive effect difference is big, overall mechanics unstable properties problem；By at glue
Glutinous agent adds nano titanium oxide, it is possible to slow down the oxidation of nano nickel, keep lasting electromagnetic wave shielding, also improve sheet material
Ageing resistance.Nanometer WS2 is infiltrated into inside the wood fiber, smooth surface so that sheet material easily cuts, aging resistance, anti-deformation；Super
Thin fully vulcanized powder rubber, Ludox improve the adhesion strength of adhesive, improve toughness and the intensity of sheet material, improve bending resistance
Folding endurance, resistance to water improves simultaneously.
Detailed description of the invention
A kind of bend resistance carbon fiber wood composite fibre board, is made up of the raw material of following weight portion (kilogram): the wood fiber
100, urea-formaldehyde resin adhesive 10, nano nickel 10, dehydrated alcohol be appropriate, 5mm chopped carbon fiber 33, acetone 1.7, isocyanate resin
Adhesive 3.3, ammonium chloride 5.6, nano titanium oxide 2.5, ultra-fine fully vulcanized powder rubber 1.8, nanometer WS21.4, Ludox
0.6。
The preparation method of described bend resistance carbon fiber wood composite fibre board, comprises the following steps:
(1) nano nickel is added in dehydrated alcohol, be configured to the dispersion liquid of 4wt%, add nanometer WS2 and stir, wood is fine
Dimension, in hot press, is compressed at 70 DEG C, and compression ratio is 30%, is immediately placed in the dispersion liquid of nano nickel, soaks 120 minutes, takes
Going out, being dried at 60 DEG C to moisture content is 12%, obtains innovation wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, adds ultra-fine fully vulcanized powder rubber, Ludox, then with carbon
Fiber mixes, and obtains modified carbon fiber；
(3) by other residual components mix homogeneously, mix homogeneously with innovation wood fiber, modified carbon fiber, mat formation, 170
Carry out hot pressing 20s/mm at DEG C, to obtain final product.
Detecting the present embodiment fibre board, density is 0.738g/cm3, MOR is 37.1MPa, elastic modelling quantity
For 5716MPa, internal bond strength be 1.06MPa, thickness swelling rate be 8.72%.It is 5 × 10 in frequency8Electricity during more than Hz
Magnetic shield usefulness reaches more than 55dBm.
Claims (2)
1. a bend resistance carbon fiber wood composite fibre board, it is characterised in that: it is prepared by the raw materials in: the wood fiber
100-110, urea-formaldehyde resin adhesive 10-11, nano nickel 10-11, dehydrated alcohol are appropriate, 5-8mm chopped carbon fiber 33-35, third
Ketone 1.7-1.9, isocyanate resin adhesive 3.3-3.5, ammonium chloride 5.6-5.9, nano titanium oxide 2.5-3, ultra-fine full sulfuration
Powdered rubber 1.8-2.2, nanometer WS21.4-1.8, Ludox 0.6-0.8.
The preparation method of bend resistance carbon fiber wood composite fibre board the most according to claim 1, it is characterised in that include with
Lower step:
(1) nano nickel is added in dehydrated alcohol, be configured to the dispersion liquid of 4-4.3wt%, add nanometer WS2 and stir, will
The wood fiber, in hot press, compresses at 70-75 DEG C, and compression ratio is 30-35%, is immediately placed in the dispersion liquid of nano nickel, soaks
120-140 minute, taking out, being dried at 60-65 DEG C to moisture content is 12-15%, obtains innovation wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, adds ultra-fine fully vulcanized powder rubber, Ludox, then with carbon
Fiber mixes, and obtains modified carbon fiber；
(3) by other residual components mix homogeneously, mix homogeneously with innovation wood fiber, modified carbon fiber, mat formation, at 170-
Carry out hot pressing 20-25s/mm at 175 DEG C, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590368.7A CN106079025A (en) | 2016-07-25 | 2016-07-25 | A kind of bend resistance carbon fiber wood composite fibre board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590368.7A CN106079025A (en) | 2016-07-25 | 2016-07-25 | A kind of bend resistance carbon fiber wood composite fibre board and preparation method thereof |
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| CN106079025A true CN106079025A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610590368.7A Pending CN106079025A (en) | 2016-07-25 | 2016-07-25 | A kind of bend resistance carbon fiber wood composite fibre board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370596A (en) * | 2020-12-09 | 2021-09-10 | 烟台柳鑫新材料科技有限公司 | Composite base plate for PCB drilling and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412244A (en) * | 2001-10-12 | 2003-04-23 | 中国石油化工股份有限公司 | Toughened thermosetting resin and its preparation method |
| CN101758539A (en) * | 2010-01-22 | 2010-06-30 | 南京林业大学 | Method for modifying poplar fiber by silicasol |
| CN103214865A (en) * | 2013-04-22 | 2013-07-24 | 东北林业大学 | Carbon fibre wood electromagnetic shielding material and preparation method thereof |
| CN104985668A (en) * | 2015-06-24 | 2015-10-21 | 南通亚振东方家具有限公司 | Fiber wood with electromagnetic shielding function and preparation method thereof |
-
2016
- 2016-07-25 CN CN201610590368.7A patent/CN106079025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412244A (en) * | 2001-10-12 | 2003-04-23 | 中国石油化工股份有限公司 | Toughened thermosetting resin and its preparation method |
| CN101758539A (en) * | 2010-01-22 | 2010-06-30 | 南京林业大学 | Method for modifying poplar fiber by silicasol |
| CN103214865A (en) * | 2013-04-22 | 2013-07-24 | 东北林业大学 | Carbon fibre wood electromagnetic shielding material and preparation method thereof |
| CN104985668A (en) * | 2015-06-24 | 2015-10-21 | 南通亚振东方家具有限公司 | Fiber wood with electromagnetic shielding function and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370596A (en) * | 2020-12-09 | 2021-09-10 | 烟台柳鑫新材料科技有限公司 | Composite base plate for PCB drilling and preparation method thereof |
| CN113370596B (en) * | 2020-12-09 | 2022-10-04 | 烟台柳鑫新材料科技有限公司 | Composite base plate for PCB drilling and preparation method thereof |
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Application publication date: 20161109 |
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