CN110405869A - The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced - Google Patents
The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced Download PDFInfo
- Publication number
- CN110405869A CN110405869A CN201910776806.2A CN201910776806A CN110405869A CN 110405869 A CN110405869 A CN 110405869A CN 201910776806 A CN201910776806 A CN 201910776806A CN 110405869 A CN110405869 A CN 110405869A
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- China
- Prior art keywords
- plate
- nanocomposite
- laminated wood
- reinforced
- orthogonal laminated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002023 wood Substances 0.000 title claims abstract description 42
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title description 2
- 239000012790 adhesive layer Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000011282 treatment Methods 0.000 claims abstract description 5
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 238000007654 immersion Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000002648 laminated material Substances 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/026—Wood layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
Abstract
The present invention relates to the orthogonal laminated wood plates that a kind of nanocomposite is reinforced, including the first plate, the second plate, structural adhesive layer;First plate is the plate by Nanocomposite solution immersion treatment, and after making nanocomposite evenly spread to the micro-structure of timber using ultrasonic wave;First plate is alternate with the second plate to be superimposed and by structural adhesive layer gluing, and top layer and bottom are the second plate;The grain direction of first plate and the second plate is mutually perpendicular to.The present invention makes full use of connection function of the nanocomposite in timber micro-structure, significantly improves the roller shear intensity and tensile strength perpendicular to grain of timber, this orthogonal laminated wood plate simple structure, easy for construction, promotes convenient for engineering;Wooden floor anti-bending strength and shear behavior is substantially improved, it is of great advantage to the popularization of wooden building.
Description
Technical field
The present invention relates to the orthogonal laminated woods that a kind of orthogonal laminated structure more particularly to a kind of nanocomposite are reinforced
Plate.
Background technique
Currently, the consumption of China's construction material produces serious load to ecological environment and social development.From last century
Since the seventies, the building type in China is based on reinforced concrete structure, masonry structure and steel construction.Related construction materials exist
The non-renewable resources such as a large amount of iron ore, lime stone and soil are consumed in production and use process, and exacerbate greenhouse effect
It answers.Therefore, there is an urgent need to develop the new builing structure system of low-carbon energy-saving environmental protection in China.
Orthogonal glue laminated wood member has low-carbon environment-friendly, is easy to construction, anti-side rigidity height and good fire resistance, is durable
Many advantages, such as performance, is widely used in more high-rise timber buildings at present.
It is limited by timber roller shear intensity and the low feature of tensile strength perpendicular to grain, orthogonal laminated wood plate holds under Moment
Easily there is the tear failure of roller shear destruction and glue-line.In consideration of it, which kind of technical measures is taken to be able to ascend orthogonal glue laminated wood member
Curved scissors stress performance, and inhibit the tear failure of glue-line, be this field technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide the orthogonal laminated wood plates that a kind of nanocomposite is reinforced, and make full use of nanometer multiple
Connection function of the condensation material in timber micro-structure significantly improves the roller shear intensity and tensile strength perpendicular to grain of timber, thus effectively
The roller shear of orthogonal glued wood floor is inhibited to destroy.Meanwhile nanocomposite is also remarkably improved the performance and glue-line of glue-line
With the adhesive property of timber, to effectively inhibit the tear failure of orthogonal laminated wood plate mesoglea.
The present invention takes following technical scheme:
A kind of orthogonal laminated wood plate that nanocomposite is reinforced, including the first plate 1, the second plate 2, structural adhesive layer
3;First plate 1 is to keep nanocomposite uniform by Nanocomposite solution immersion treatment, and using ultrasonic wave
Plate after being distributed to the micro-structure of timber;First plate 1 is alternate with the second plate 2 to be superimposed and, top glued by structural adhesive layer 3
Layer is the second plate 2 with bottom;The grain direction of first plate 1 and the second plate 2 is mutually perpendicular to.
Preferably, more than 1 one layers of 2 to the first plate of the second plate in the orthogonal laminated wood plate, total number of plies be greater than etc.
In three odd number.
Preferably, shape, the size of each laminate material are all the same.
Preferably, first plate 1 is composed of multiple batten structures spliced in X direction, second plate 2
It is composed of multiple batten structures along Y-direction splicing, the X is to vertical with Y-direction.
A kind of more high-rise timber buildings, using orthogonal laminated wood plate described in any one of the above.
A kind of production method for the orthogonal laminated wood plate that nanocomposite is reinforced, comprising the following steps: by common plate
Material is put into Nanocomposite solution, and so that nanocomposite is evenly dispersed into wood using ultrasonic wave in the solution
In the micro-structure of material, the first plate 1 is made;Be overlapped combination to several first plates 1 and the second plate 2: the second plate 2 is set
It is placed in the top and bottom position of orthogonal laminated wood plate;The grain direction of first plate 1 and the second plate 2 is arranged vertically;The
Gluing is carried out using structural adhesive layer 3 between one plate 1 and the second plate 2.
Preferably, the structural adhesive layer 3 is the glue after being added to nanocomposite.
Preferably, one or more of carbon nanotube, graphene can be selected in nanocomposite.
How high a kind of method for improving of floor anti-bending strength and shear behavior is using above-mentioned orthogonal laminated wood plate conduct
The floor of layer timber buildings.
The beneficial effects of the present invention are:
1) connection function of the nanocomposite in timber micro-structure can be made full use of, the roller shear for significantly improving timber is strong
Degree and tensile strength perpendicular to grain, so that the roller shear of orthogonal glued wood floor effectively be inhibited to destroy.
2) nanocomposite is also remarkably improved the performance of glue-line and the adhesive property of glue-line and timber, thus effectively
Inhibit the tear failure of orthogonal laminated wood plate mesoglea.
3) this orthogonal laminated wood plate simple structure, it is easy for construction, it is promoted convenient for engineering.
4) wooden floor anti-bending strength and shear behavior is substantially improved, it is of great advantage to the popularization of wooden building.
Detailed description of the invention
Fig. 1 is the main view for the orthogonal laminated wood plate that the nanocomposite of three-decker is reinforced.
Fig. 2 is the main view for the orthogonal laminated wood plate that the nanocomposite of five-layer structure is reinforced.
Fig. 3 is the main view for the orthogonal laminated wood plate that the nanocomposite of seven-layer structure is reinforced.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the left view of Fig. 2.
Fig. 6 is the left view of Fig. 3.
In figure, 1. first plates, 2. second plates, 3. structural adhesive layers.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
Referring to Fig. 1-Fig. 6, a kind of orthogonal laminated wood plate that nanocomposite is reinforced, including the first plate 1, the second plate
Material 2, structural adhesive layer 3;First plate 1 is to make nanometer by Nanocomposite solution immersion treatment, and using ultrasonic wave
Composite material evenly spreads to the plate after the micro-structure of timber;First plate 1 is alternate with the second plate 2 to be superimposed and passes through structure
Glue-line 3 is glued, and top layer and bottom are the second plate 2;The grain direction of first plate 1 and the second plate 2 is mutually perpendicular to, knot
Closing Fig. 1 and Fig. 4 can be seen that.
In this embodiment, more than 1 one layers of 2 to the first plate of the second plate in the orthogonal laminated wood plate, total number of plies is
Odd number more than or equal to three, as shown in figures 1 to 6.
In this embodiment, shape, the size of each laminate material are all the same, as shown in figures 1 to 6.
In this embodiment, first plate 1 is composed of multiple batten structures spliced in X direction, and described
Two plates 2 are composed of multiple batten structures along Y-direction splicing, and the X is to vertical with Y-direction.
A kind of more high-rise timber buildings, using orthogonal laminated wood plate described in any one of the above.
When this orthogonal laminated wood plate specifically makes, comprising the following steps: it is molten that common plate is put into nanocomposite
In liquid, and in the micro-structure for making nanocomposite be evenly dispersed into timber using ultrasonic wave in the solution, it is made the
One plate 1;Be overlapped combination to several first plates 1 and the second plate 2: the second plate 2 is set to orthogonal laminated wood plate
Top and bottom position;The grain direction of first plate 1 and the second plate 2 is arranged vertically;Orthogonal laminated wood plate can be according to 3
Layer, 5 layers and 7 layers of progress are glued.Proper amount of nano composite material is added in structural adhesive layer 3, is adjusted to uniformly, then be injected into plate
Material bonding surface forms orthogonal glue laminated wood member by pressurized treatments.
Carbon nanotube, graphene etc. can be selected in nanocomposite.
As the method for improving of floor anti-bending strength and shear behavior, above-mentioned orthogonal laminated wood plate conduct can also be used
The floor of more high level timber buildings.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis
It changes or improves, under the premise of not departing from the present invention total design, these transformation or improve all should belong to that the present invention claims guarantors
Within the scope of shield.
Claims (9)
1. the orthogonal laminated wood plate that a kind of nanocomposite is reinforced, it is characterised in that:
Including the first plate (1), the second plate (2), structural adhesive layer (3);
First plate (1) is to make nanocomposite by Nanocomposite solution immersion treatment, and using ultrasonic wave
Plate after evenly spreading to the micro-structure of timber;
First plate (1) is alternate with the second plate (2) to be superimposed and passes through structural adhesive layer (3) gluing, and top layer and bottom are the second plate
Material (2);
First plate (1) and the grain direction of the second plate (2) are mutually perpendicular to.
2. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: the orthogonal glue
The second plate (2) ratio mostly one layer of the first plate (1) in wood plank is closed, total number of plies is the odd number more than or equal to three.
3. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: each laminate material
Shape, size are all the same.
4. the orthogonal laminated wood plate that nanocomposite as described in claim 1 is reinforced, it is characterised in that: first plate
Material (1) is composed of multiple batten structures spliced in X direction, and second plate (2) is by multiple items spliced along Y-direction
Hardened structure is composed, and the X is to vertical with Y-direction.
5. a kind of more high-rise timber buildings, which is characterized in that using any one described orthogonal laminated wood in claim 1-4
Plate.
6. a kind of production method for the orthogonal laminated wood plate that nanocomposite is reinforced, which comprises the following steps:
Common plate is put into Nanocomposite solution, and keeps nanocomposite equal using ultrasonic wave in the solution
It is distributed in the micro-structure of timber evenly, the first plate (1) is made;
Be overlapped combination to several first plates (1) and the second plate (2): the second plate (2) is set to orthogonal glued wood
The top and bottom position of material;The grain direction of first plate (1) and the second plate (2) is arranged vertically;First plate (1) and the
Gluing is carried out using structural adhesive layer (3) between two plates (2).
7. the production method for the orthogonal laminated wood plate that nanocomposite as claimed in claim 6 is reinforced, it is characterised in that:
The structural adhesive layer (3) is the glue after being added to nanocomposite.
8. the production method for the orthogonal laminated wood plate that nanocomposite as claimed in claim 6 is reinforced, it is characterised in that:
One or more of carbon nanotube, graphene can be selected in nanocomposite.
9. a kind of method for improving of floor anti-bending strength and shear behavior, it is characterised in that: using described in claim 1-4 just
Hand over laminated wood plate as the floor of more high-rise timber buildings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910776806.2A CN110405869A (en) | 2019-08-22 | 2019-08-22 | The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910776806.2A CN110405869A (en) | 2019-08-22 | 2019-08-22 | The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced |
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Publication Number | Publication Date |
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CN110405869A true CN110405869A (en) | 2019-11-05 |
Family
ID=68368494
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CN201910776806.2A Pending CN110405869A (en) | 2019-08-22 | 2019-08-22 | The orthogonal laminated wood plate and preparation method thereof that nanocomposite is reinforced |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113530050A (en) * | 2021-08-17 | 2021-10-22 | 上海市建筑科学研究院有限公司 | Corrugated steel plate reinforced orthogonal laminated wood composite floor slab and manufacturing method thereof |
CN113954485A (en) * | 2021-10-26 | 2022-01-21 | 中建科技集团有限公司 | Composite board structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2342954Y (en) * | 1998-04-16 | 1999-10-13 | 杨玉福 | Plywood |
CN200963852Y (en) * | 2006-11-01 | 2007-10-24 | 王萍 | Solid wood structure plate |
CN105710938A (en) * | 2016-03-11 | 2016-06-29 | 北京海科华昌新材料技术有限公司 | Grafted polyethylene non-formaldehyde plywood and preparing method thereof |
JP2018086816A (en) * | 2016-11-30 | 2018-06-07 | 株式会社バンブーケミカル研究所 | Orthogonal laminated board using bamboo |
CN108839144A (en) * | 2018-08-29 | 2018-11-20 | 含山县金中环装饰材料有限公司 | A kind of preparation method of fire-retardant mould proof glued board |
CN211164392U (en) * | 2019-08-22 | 2020-08-04 | 上海市建筑科学研究院 | Nanocomposite reinforced orthogonal laminated wood panel |
-
2019
- 2019-08-22 CN CN201910776806.2A patent/CN110405869A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2342954Y (en) * | 1998-04-16 | 1999-10-13 | 杨玉福 | Plywood |
CN200963852Y (en) * | 2006-11-01 | 2007-10-24 | 王萍 | Solid wood structure plate |
CN105710938A (en) * | 2016-03-11 | 2016-06-29 | 北京海科华昌新材料技术有限公司 | Grafted polyethylene non-formaldehyde plywood and preparing method thereof |
JP2018086816A (en) * | 2016-11-30 | 2018-06-07 | 株式会社バンブーケミカル研究所 | Orthogonal laminated board using bamboo |
CN108839144A (en) * | 2018-08-29 | 2018-11-20 | 含山县金中环装饰材料有限公司 | A kind of preparation method of fire-retardant mould proof glued board |
CN211164392U (en) * | 2019-08-22 | 2020-08-04 | 上海市建筑科学研究院 | Nanocomposite reinforced orthogonal laminated wood panel |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113530050A (en) * | 2021-08-17 | 2021-10-22 | 上海市建筑科学研究院有限公司 | Corrugated steel plate reinforced orthogonal laminated wood composite floor slab and manufacturing method thereof |
CN113954485A (en) * | 2021-10-26 | 2022-01-21 | 中建科技集团有限公司 | Composite board structure |
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