CN106189322A - A kind of Firebrake ZB modified carbon fiber wood composite fibre board and preparation method thereof - Google Patents
A kind of Firebrake ZB modified carbon fiber wood composite fibre board and preparation method thereof Download PDFInfo
- Publication number
- CN106189322A CN106189322A CN201610590342.2A CN201610590342A CN106189322A CN 106189322 A CN106189322 A CN 106189322A CN 201610590342 A CN201610590342 A CN 201610590342A CN 106189322 A CN106189322 A CN 106189322A
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- Prior art keywords
- carbon fiber
- firebrake
- wood
- fiber
- modified carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of Firebrake ZB modified 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, mesoporous cobalt aluminate 2.5 3, mesopore molecular sieve 2.2 2.5, Firebrake ZB 2 2.3.By the present invention in that with mesoporous cobalt aluminate, mesopore molecular sieve, Firebrake ZB, infiltrate into inside the wood fiber, by increasing capacitance it is possible to increase wood fiber intensity, improve the bending strength of sheet material, bending modulus, impact strength, harmful substance can be adsorbed simultaneously, moreover it is possible to improve fire resistance.
Description
Technical field
The present invention relates to fibre board technical field, particularly relate to a kind of Firebrake ZB modified carbon fiber wood composite fibre board and
Its 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 Firebrake ZB modified carbon fiber wood composite
Fibre board and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of Firebrake ZB modified carbon fiber wood composite fibre board, is prepared by the raw materials in: 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, acetone 1.7-
1.9, isocyanate resin adhesive 3.3-3.5, ammonium chloride 5.6-5.9, nano titanium oxide 2.5-3, mesoporous cobalt aluminate 2.5-3,
Mesopore molecular sieve 2.2-2.5, Firebrake ZB 2-2.3.
The preparation method of described Firebrake ZB modified carbon fiber wood composite fibre board, comprises the following steps:
(1) nano nickel is added in dehydrated alcohol, is configured to the dispersion liquid of 4-4.3wt%, add mesoporous cobalt aluminate, mesoporous point
Son sieve, Firebrake ZB, stir, obtain nano nickel dispersion liquid；By the wood fiber in hot press, compress at 70-75 DEG C, compression
Rate is 30-35%, is immediately placed in the dispersion liquid of nano nickel, soaks 120-140 minute, takes out, is dried to containing at 60-65 DEG C
Water rate is 12-15%, obtains innovation wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, then mix with carbon fiber, obtain 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.By using mesoporous cobalt aluminate, mesopore molecular sieve, Firebrake ZB, infiltrate into inside the wood fiber, by increasing capacitance it is possible to increase wood is fine
Dimension intensity, improves the bending strength of sheet material, bending modulus, impact strength, can adsorb harmful substance, moreover it is possible to improve fire-retardant simultaneously
Performance.
Detailed description of the invention
A kind of Firebrake ZB modified carbon fiber wood composite fibre board, is made up of the raw material of following weight portion (kilogram): wood is fine
Dimension 100, urea-formaldehyde resin adhesive 10, nano nickel 10, dehydrated alcohol are appropriate, 5mm chopped carbon fiber 33, acetone 1.7, Carbimide. tree
Fat adhesive 3.3, ammonium chloride 5.6, nano titanium oxide 2.5, mesoporous cobalt aluminate 2.5, mesopore molecular sieve 2.2, Firebrake ZB 2.
The preparation method of described Firebrake ZB modified carbon fiber wood composite fibre board, comprises the following steps:
(1) nano nickel is added in dehydrated alcohol, is configured to the dispersion liquid of 4wt%, add mesoporous cobalt aluminate, mesopore molecular sieve,
Firebrake ZB, stirs, and obtains nano nickel dispersion liquid；By the wood fiber in hot press, compressing at 70 DEG C, compression ratio is 30%,
Being immediately placed in the dispersion liquid of nano nickel, soak 120 minutes, take out, being dried at 60 DEG C to moisture content is 12%, obtains modification
The wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, then mix with carbon fiber, obtain 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 0.735g/cm3, MOR is 39.9MPa, elastic modelling quantity
For 5891MPa, internal bond strength be 1.35MPa, thickness swelling rate be 8.79%.It is 5 × 10 in frequency8Electricity during more than Hz
Magnetic shield usefulness reaches more than 50dBm.
Claims (2)
1. a Firebrake ZB modified carbon fiber wood composite fibre board, it is characterised in that: it is prepared by the raw materials in: 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, acetone 1.7-1.9, isocyanate resin adhesive 3.3-3.5, ammonium chloride 5.6-5.9, nano titanium oxide 2.5-3, mesoporous aluminum
Acid cobalt 2.5-3, mesopore molecular sieve 2.2-2.5, Firebrake ZB 2-2.3.
The preparation method of Firebrake ZB modified carbon fiber wood composite fibre board the most according to claim 1, it is characterised in that bag
Include following steps:
(1) nano nickel is added in dehydrated alcohol, is configured to the dispersion liquid of 4-4.3wt%, add mesoporous cobalt aluminate, mesoporous point
Son sieve, Firebrake ZB, stir, obtain nano nickel dispersion liquid；By the wood fiber in hot press, compress at 70-75 DEG C, compression
Rate is 30-35%, is immediately placed in the dispersion liquid of nano nickel, soaks 120-140 minute, takes out, is dried to containing at 60-65 DEG C
Water rate is 12-15%, obtains innovation wood fiber；
(2) acetone is mixed homogeneously with isocyanate resin adhesive, then mix with carbon fiber, obtain 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 |
|---|---|---|---|
| CN201610590342.2A CN106189322A (en) | 2016-07-25 | 2016-07-25 | A kind of Firebrake ZB modified carbon fiber wood composite fibre board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590342.2A CN106189322A (en) | 2016-07-25 | 2016-07-25 | A kind of Firebrake ZB modified carbon fiber wood composite fibre board and preparation method thereof |
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| CN106189322A true CN106189322A (en) | 2016-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324763A (en) * | 2017-06-30 | 2017-11-07 | 周远华 | A kind of ceramic composition and preparation method thereof |
| CN107955388A (en) * | 2017-11-01 | 2018-04-24 | 成都天府轨谷科技有限公司 | A kind of Ni-based carbon fiber basalt fibre composite plate and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201610590342.2A patent/CN106189322A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 段玉春主编: "《最新木材加工与材积计算技术手册》", 31 March 2009, 内蒙古人民出版社 * |
| 黄雨三主编: "《最新人造板制造加工工艺与质量检验检测标准规范实用手册》", 30 September 2003, 安徽文化音像出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324763A (en) * | 2017-06-30 | 2017-11-07 | 周远华 | A kind of ceramic composition and preparation method thereof |
| CN107955388A (en) * | 2017-11-01 | 2018-04-24 | 成都天府轨谷科技有限公司 | A kind of Ni-based carbon fiber basalt fibre composite plate and preparation method thereof |
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Application publication date: 20161207 |