CN107433755A - Structure wooden heat preservation plate and preparation method and application - Google Patents
Structure wooden heat preservation plate and preparation method and application Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- heat preservation
- wooden heat
- preservation plate
- plate
- oriented wood
- 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.)
- Granted
Links
- 238000004321 preservation Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011093 chipboard Substances 0.000 claims abstract description 30
- 239000002023 wood Substances 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 claims abstract description 24
- 239000004814 polyurethane Substances 0.000 claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 18
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 16
- 239000011496 polyurethane foam Substances 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
-
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General 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
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
- B29C66/7487—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
- B32B21/02—Layered 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
-
- 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
- B32B21/04—Layered 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
- B32B21/08—Layered 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
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered 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
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/7608—Heat, 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2419/00—Buildings or parts thereof
-
- 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
- B32B2419/00—Buildings or parts thereof
- B32B2419/06—Roofs, roof membranes
-
- 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
- B32B2607/00—Walls, 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
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.
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