CN107433755A - Structure wooden heat preservation plate and preparation method and application - Google Patents

Structure wooden heat preservation plate and preparation method and application Download PDF

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Publication number
CN107433755A
CN107433755A CN201710604991.8A CN201710604991A CN107433755A CN 107433755 A CN107433755 A CN 107433755A CN 201710604991 A CN201710604991 A CN 201710604991A CN 107433755 A CN107433755 A CN 107433755A
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CN
China
Prior art keywords
heat preservation
wooden heat
preservation plate
plate
oriented wood
Prior art date
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Granted
Application number
CN201710604991.8A
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Chinese (zh)
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CN107433755B (en
Inventor
周海宾
刘晓娜
王晓欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Institute of Forestry New Technology of Chinese Academy of Forestry
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Research Institute of Forestry New Technology of Chinese Academy of Forestry
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Priority to CN201710604991.8A priority Critical patent/CN107433755B/en
Publication of CN107433755A publication Critical patent/CN107433755A/en
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Publication of CN107433755B publication Critical patent/CN107433755B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/14Layered products comprising a layer of synthetic resin next to a particulate layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining 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
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45Joining of substantially the whole surface of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74Joining plastics material to non-plastics material
    • B29C66/748Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
    • B29C66/7487Wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7608Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00Flat articles, e.g. films or sheets
    • B29L2007/002Panels; Plates; Sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00Layered products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00Buildings or parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00Buildings or parts thereof
    • B32B2419/06Roofs, roof membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, panels

Abstract

The invention provides a kind of structure wooden heat preservation plate and preparation method and application, described structure includes two oriented wood chipboard plane materiels and polyurethane core with wooden heat preservation plate, and described, oriented wood chipboard plane materiel is bonded into one with polyurethane core by adhesive.The structure wooden heat preservation plate of the present invention has the characteristics that lightweight, high-strength, energy-conserving and environment-protective, installation are rapid, is widely used as the structural elements such as wall, floor and the roof system of business and civil buildings.

Description

Structure wooden heat preservation plate and preparation method and application
Technical field
The present invention be on a kind of structure wooden heat preservation plate and preparation method and application, specifically, be it is a kind of by The structural thermal insulation that two oriented wood chipboards make panel respectively, polyurethane foam material makees core plate, are bonded into one by adhesive Composite plate, it is widely used as the structural elements such as wall, floor and the roof system of business and civil buildings.
Background technology
The wall of existing timber buildings, mainly there are well dry wall (circular or square-section timber or glued material water It is flat to be formed by stacking), sandwich heat preserving wall body (surface gypsum board, a face glued board or oriented wood chipboard, or two sides is glued board Or oriented wood chipboard, central filler heat-preservation cotton or polyurethane foam board) and CLT walls (the orthogonal gluing of sawn timber forms solid Wall).For heat-insulating property, such as the wall of 100mm thickness, the heat transfer coefficient of well dry type and CLT walls is in 0.8W/ (m2K more than).If some areas use in the north, wall may reach more than 200mm, therefore cause a large amount of timber to provide Source consumes.Although the sandwich heat preserving wall body heat transfer coefficient of 100mm thickness is in 0.6-0.8W/ (m2K), may be in the range of receiving Appropriate increase thickness reaches insulation requirement, but site operation speed is slow, only prefabricated modular wall.In addition, remove Outside CLT walls, the timber buildings built by well dry wall and sandwich heat preserving wall body, the prefabricated rate of monomer all below 0.5, Currently also in 1.0 stages of assembled timber buildings.
The content of the invention
It is an object of the present invention to provide a kind of structure wooden heat preservation plate.
Another object of the present invention is to provide the preparation method of the structure wooden heat preservation plate.
Another object of the present invention is to provide the application of the structure wooden heat preservation plate.
On the one hand, the invention provides a kind of structure wooden heat preservation plate, structure wooden heat preservation plate, which includes two, to be determined To particieboard plane materiel and polyurethane core, the oriented wood chipboard plane materiel is bonded into one with polyurethane core by adhesive.
According to specific embodiments of the present invention, structure of the invention is with wooden heat preservation plate, the oriented shaving plate face The physical and mechanical property of plate meets claimed below:
Thickness >=11mm;
Density >=0.50g/cm3
Modulus of elasticity longitudinal direction >=4000MPa, transverse direction >=2000MPa;
MOR longitudinal direction >=20MPa, transverse direction >=13MPa;
Internal bond strength >=0.30MPa.
According to specific embodiments of the present invention, structure of the invention is with wooden heat preservation plate, the oriented shaving plate face The thickness of plate is 11mm, 12mm or 15mm.
According to specific embodiments of the present invention, structure of the invention with wooden heat preservation plate, the polyurethane core Physical and mechanical property meets claimed below:
Thickness >=90mm;
Density >=38kg/m3
Tensile strength >=110.00kPa;
Compression strength >=201.70kPa;
Shearing strength >=113.16kPa;
Bending strength >=318.37kPa.
According to specific embodiments of the present invention, structure of the invention with wooden heat preservation plate, the polyurethane core Thickness is 90mm or 140mm.
According to specific embodiments of the present invention, for structure of the invention with wooden heat preservation plate, the adhesive is single group Divide PU structural adhesive, its one side resin added meets relationship below (1), and maximum resin added is no more than 200g/m2(one side):
Y=88.3551n x-645.419 (1)
In formula:
Y=resin addeds, g/m2
The viscosity of x=adhesives, mPas.
For the structure of the present invention with wooden heat preservation plate, two-component isocyanates gluing agent, double may be selected in the adhesive page The other types adhesives such as component resorcinol gluing agent, can be according to the gluing of its acquisition if selecting these type adhesives Intensity is selected, and to cause product shear strength to be not less than 62kPa, tensile strength is not less than 103.4kPa.
According to specific embodiments of the present invention, structure of the invention wooden heat preservation plate, its shear strength >=62kPa, Tensile strength >=103.4kPa.
The structure wooden heat preservation plate of the present invention, product have three series, 6 standard thicknesses:
1st, 112mm (plate thickness 11mm, core thickness 90mm)
2nd, 114mm (plate thickness 12mm, core thickness 90mm)
3rd, 120mm (plate thickness 15mm, core thickness 90mm)
4th, 162mm (plate thickness 11mm, core thickness 140mm)
5th, 164mm (plate thickness 12mm, core thickness 140mm)
6th, 170mm (plate thickness 15mm, core thickness 140mm)
Other is non-standard thickness.
The width and length of product can be customized according to the actually required size of house component.
On the other hand, the preparation method present invention also offers the structure with wooden heat preservation plate, this method include:
Selection:Oriented wood chipboard plane materiel and polyurethane core are provided;
Applying glue:Using roll coating model, adhesive is uniformly applied to the side plate face of oriented wood chipboard;
Assembly:The oriented wood chipboard of a gluing is first placed, applying glue is placed in it upwardly, then by polyurethane foam core plate On, finally the oriented wood chipboard of another gluing is placed on core plate, downwards, it is fixed to form a upper and lower panel for applying glue To particieboard, three layers of sandwich structure that middle core plate is polyurethane foam material;
Pressurization:Three layers of sandwich structure are placed in cold press, trilaminate material is pressed together, dwell time 1.5-2 Hour;
Maintenance:After the completion of pressurization, conserve more than 24 hours.
According to specific embodiments of the present invention, the structure of the invention preparation method of wooden heat preservation plate, pressurization steps In, the pressure that trilaminate material presses is met into relationship below (2):
P=3.289p-15.431 (2)
In formula:
P:Pressure, kPa;
ρ:Core plate density, kg/m3
The deformation rate of the deformation rate product of product meets relationship below (3):
D=0.0186P-2.105 (3)
In formula:
D:Deformation rate, %;
P:Pressure, kPa;
If deformation rate is less than 1.0%, the pressure of calculating is set as optimum pressure;, will if deformation rate is more than 1.0% The pressure of calculating is lowered by 10kPa amplitudes, until meeting that deformation rate is less than 1.0%.
On the other hand, the application present invention also offers the structure with wooden heat preservation plate, specifically, it can be used as business Or the structural elements such as wall, floor or roof system of civil buildings.
Beneficial effects of the present invention:
The structure of the present invention is two oriented wood chipboard plane materiels and polyurethane core with wooden heat preservation panel products, passes through gluing The structural thermal insulation composite plate that agent is bonded into one, product good integrity, installation rate improve 20%, the monomer pre-emulsion of corresponding building Rate can reach more than 0.5;
The good heat insulating of the structure wooden heat preservation panel products of the present invention, the wall heat transfer coefficient of more than 100mm thickness In 0.4W/ (m2K) below, it is higher than the average level of existing wall thermal insulating by 30%;
The structure wooden heat preservation panel products of the present invention, have the characteristics that lightweight, high-strength, energy-conserving and environment-protective, installation are rapid, can It is widely used as the structural elements such as wall, floor and the roof system of business and civil buildings.
Brief description of the drawings
Fig. 1 is the structural representation of the structure wooden heat preservation panel products of the present invention.
Fig. 2 is the tensile strength schematic diagram of the polyurethane thermal insulation board used in the prior art in this patent, dashed lines position The value for putting place is the intensity level of ANSI/APA PRS 610.1-2013 standards requirement.
Embodiment
Illustrate the implementation and application effect of the technology of the present invention below in conjunction with specific embodiment, but these embodiments are not intended to Limit the scope of the invention.
The preparation-obtained structure of various embodiments of the present invention is shown in Figure 1 with the structure of wooden heat preservation panel products, wherein, 10 be oriented wood chipboard, and 30 be polyurethane foam board, and 20 be adhesive.Two oriented wood chipboard plane materiels pass through with polyurethane core Adhesive is bonded into one.
1st, the selection of panel
Panel selects oriented wood chipboard, and thickness requires in 11,12 and 15mm, its physical and mechanical property more than table 1.
The Physical And Mechanical Properties of Oriented Strandboard of table 1.
2nd, the selection of core plate
Core plate selects polyurethane foam sheet material, and averag density is not less than 38kg/m3, thickness is not less than 90mm, mechanical property Minimum requirements is shown in Table 2.Fig. 2 shows the tensile strength of polyurethane thermal insulation board in the prior art.
The polyurethane thermal insulation board physical and mechanical property of table 2.
Embodiment 1
Use oriented wood chipboard (the density 0.63g/cm of 12mm thickness3, longitudinal modulus of elasticity 5200MPa, transverse elasticity mould Measure 3100MPa, longitudinal MOR 32MPa, bending strength 19.8MPa, internal bond strength 0.45MPa), 90mm thickness Polyurethane foam board (density 40kg/m3, compression strength 212.56kPa, tensile strength 120.00kPa, shear strength 155.84kPa, bending strength 386.43kPa), adhesive selects mono-component polyurethane structure glue (viscosity 10000mPas), applies Glue amount 168g/m2.Adhesive is coated on the inside of two oriented wood chipboards by the way of roller coat, polyurethane foam board is placed in Between two particieboards, finally it is placed on press.Cold-press process parameter:Pressure 117kPa, time 120min.
Physics, mechanics and the structural behaviour test result of the product of the present embodiment:Tensile strength 110.98kPa;Shearing resistance is strong Spend 98.19kPa;Lintel anti-bending strength maxium load value 53.57KN;Component transverse direction anti-bending strength maxium load value 17.83KN;Pass Hot coefficient 0.38W/ (m2K), deformation rate 0.10%.
The structure of the present embodiment is widely used as wall, floor and the room of business and civil buildings with wooden heat preservation panel products The structural elements such as lid, product good integrity, installation rate can improve 20%, the monomer pre-emulsion rate of corresponding building can reach 0.5 with On.
Embodiment 2
Use oriented wood chipboard (the density 0.63g/cm of 12mm thickness3, longitudinal modulus of elasticity 5200MPa, transverse elasticity mould Measure 3100MPa, longitudinal MOR 32MPa, bending strength 19.8MPa, internal bond strength 0.45MPa), 90mm thickness Polyurethane foam board (density 48kg/m3, compression strength 225.13kPa, tensile strength 130.00kPa, shear strength 168.51kPa, bending strength 585.13kPa), adhesive selects mono-component polyurethane structure glue (viscosity 11500mPas), applies Glue amount 180g/m2.Adhesive is coated on the inside of two oriented wood chipboards by the way of roller coat, polyurethane foam board is placed in Between two particieboards, finally it is placed on press.Cold-press process parameter:Pressure 143kPa, time 120min.
Physics, mechanics and the structural behaviour test result of the product of the present embodiment:Tensile strength 176.67kPa;Shearing resistance is strong Spend 101.52kPa;Lintel anti-bending strength maxium load value 54.20KN;Component transverse direction anti-bending strength maxium load value 17.95KN; Heat transfer coefficient 0.39W/ (m2K), deformation rate 0.55%.
The structure of the present embodiment is widely used as wall, floor and the room of business and civil buildings with wooden heat preservation panel products The structural elements such as lid, product good integrity, installation rate can improve 20%, the monomer pre-emulsion rate of corresponding building can reach 0.5 with On.
Embodiment 3
Use oriented wood chipboard (the density 0.63g/cm of 12mm thickness3, longitudinal modulus of elasticity 5200MPa, transverse elasticity mould Measure 3100MPa, longitudinal MOR 32MPa, bending strength 19.8MPa, internal bond strength 0.45MPa), 140mm thickness Polyurethane foam board (density 45kg/m3, compression strength 215.70kPa, tensile strength 131.42kPa, shear strength 155.98kPa, bending strength 402.55kPa), adhesive selects mono-component polyurethane structure glue (viscosity 11500mPas), applies Glue amount 180g/m2.Adhesive is coated on the inside of two oriented wood chipboards by the way of roller coat, polyurethane foam board is placed in Between two particieboards, finally it is placed on press.Cold-press process parameter:Pressure 132kPa, time 120min.
Physics, mechanics and the structural behaviour test result of the product of the present embodiment:Tensile strength 177.67kPa;Shearing resistance is strong Spend 98.52kPa;Lintel anti-bending strength maxium load value 77.32KN;Component transverse direction anti-bending strength maxium load value 29.54KN;Pass Hot coefficient 0.27W/ (m2K), deformation rate 0.39%.
The structure of the present embodiment is widely used as wall, floor and the room of business and civil buildings with wooden heat preservation panel products The structural elements such as lid, product good integrity, installation rate can improve 20%, the monomer pre-emulsion rate of corresponding building can reach 0.5 with On.
Embodiment 4
Use oriented wood chipboard (the density 0.54g/cm of 11mm thickness3, longitudinal modulus of elasticity 4260MPa, transverse elasticity mould Measure 2800MPa, longitudinal MOR 24.7MPa, bending strength 15.2MPa, internal bond strength 0.38MPa), 140mm it is thick Polyurethane foam board (the density 48kg/m of degree3, compression strength 225.13kPa, tensile strength 130.00kPa, shear strength 168.51kPa, bending strength 585.13kPa), adhesive selects mono-component polyurethane structure glue (viscosity 10000mPas), applies Glue amount 168g/m2.Adhesive is coated on the inside of two oriented wood chipboards by the way of roller coat, polyurethane foam board is placed in Between two particieboards, finally it is placed on press.Cold-press process parameter:Pressure 143kPa, time 120min.
Physics, mechanics and the structural behaviour test result of the product of the present embodiment:Tensile strength 175.18kPa;Shearing resistance is strong Spend 97.52kPa;Lintel anti-bending strength maxium load value 73.18KN;Component transverse direction anti-bending strength maxium load value 23.54KN;Pass Hot coefficient 0.28W/ (m2K), deformation rate 0.51%.
The structure of the present embodiment is widely used as wall, floor and the room of business and civil buildings with wooden heat preservation panel products The structural elements such as lid, product good integrity, installation rate can improve 20%, the monomer pre-emulsion rate of corresponding building can reach 0.5 with On.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

1. a kind of structure wooden heat preservation plate, the structure includes two oriented wood chipboard plane materiels and polyurethane core with wooden heat preservation plate Material, the oriented wood chipboard plane materiel are bonded into one with polyurethane core by adhesive.
2. structure according to claim 1 wooden heat preservation plate, wherein, the physical mechanics property of the oriented wood chipboard panel It can meet claimed below:
Thickness >=11mm;
Density >=0.50g/cm3
Modulus of elasticity longitudinal direction >=4000MPa, transverse direction >=2000MPa;
MOR longitudinal direction >=20MPa, transverse direction >=13MPa;
Internal bond strength >=0.30MPa.
3. structure according to claim 1 or 2 wooden heat preservation plate, wherein, the thickness of the oriented wood chipboard panel is 11mm, 12mm or 15mm.
4. structure according to claim 1 wooden heat preservation plate, wherein, the physical and mechanical property symbol of the polyurethane core Close claimed below:
Thickness >=90mm;
Density >=38kg/m3
Tensile strength >=110.00kPa;
Compression strength >=201.70kPa;
Shearing strength >=113.16kPa;
Bending strength >=318.37kPa.
5. the structure wooden heat preservation plate according to claim 1 or 4, wherein, the thickness of the polyurethane core is 90mm Or 140mm.
6. structure according to claim 1 wooden heat preservation plate, wherein, the adhesive is mono-component polyurethane structure Glue, its one side resin added meets relationship below (1), and maximum resin added is no more than 200g/m2(one side):
Y=88.355lnx-645.419 (1)
In formula:
Y=resin addeds, g/m2
The viscosity of x=adhesives, mPas.
7. structure according to claim 1 wooden heat preservation plate, the structure with the shear strength of wooden heat preservation plate >= 62kPa, tensile strength >=103.4kPa.
8. the preparation method of any one of the claim 1~7 structure wooden heat preservation plate, this method include:
Selection:Oriented wood chipboard plane materiel and polyurethane core are provided;
Applying glue:Using roll coating model, adhesive is uniformly applied to the side plate face of oriented wood chipboard;
Assembly:First place the oriented wood chipboard of a gluing, applying glue is upwardly, then placed on it by polyurethane foam core plate, Finally the oriented wood chipboard of another gluing is placed on core plate, applying glue downwards, forms a upper and lower panel as orientation Particieboard, three layers of sandwich structure that middle core plate is polyurethane foam material;
Pressurization:Three layers of sandwich structure are placed in cold press, trilaminate material is pressed together, the dwell time is 1.5-2 hours;
Maintenance:After the completion of pressurization, conserve more than 24 hours.
9. according to the method for claim 8, wherein, in pressurization steps, the pressure that trilaminate material presses is met with ShiShimonoseki It is formula (2):
P=3.289 ρ -15.431 (2)
In formula:
P:Pressure, kPa;
ρ:Core plate density, kg/m3
The deformation rate of product meets relationship below (3):
D=0.0186P-2.105 (3)
In formula:
D:Deformation rate, %;
P:Pressure, kPa;
If deformation rate D is less than 1.0%, the pressure P of calculating is set as optimum pressure;, will if deformation rate D is more than 1.0% The pressure P of calculating is lowered by 10kPa amplitudes, until meeting that deformation rate D is less than 1.0%.
10. any one of claim 1~7 structure is with wooden heat preservation plate in wall, floor as business or civil buildings Or the application in the structural elements such as roof system.
CN201710604991.8A 2017-07-24 2017-07-24 Structure wooden heat preservation plate and the preparation method and application thereof Expired - Fee Related CN107433755B (en)

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CN103507367A (en) * 2012-06-18 2014-01-15 辽宁辽杰科技有限公司 Composite sandwich thermal-insulation sheet material and preparation method thereof
CN202866028U (en) * 2012-10-17 2013-04-10 无锡捷阳节能科技有限公司 Composite insulation board
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