CN106564238A - Multilayer composite sound insulation board material for buildings and preparation method and application thereof - Google Patents
Multilayer composite sound insulation board material for buildings and preparation method and application thereof Download PDFInfo
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- CN106564238A CN106564238A CN201610955535.3A CN201610955535A CN106564238A CN 106564238 A CN106564238 A CN 106564238A CN 201610955535 A CN201610955535 A CN 201610955535A CN 106564238 A CN106564238 A CN 106564238A
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- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/06—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B21/045—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 natural rubber or synthetic rubber
-
- 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
- B32B21/047—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 foam
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- 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
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
Abstract
The invention discloses a multilayer composite sound insulation board material for buildings, and a preparation method and an application thereof. The board material includes a surface board layer, a dampness layer, and a sound insulation core layer. The surface board layer is used as an outer layer, the dampness layer is used as a middle layer, and the sound insulation core layer is used as a core layer, thereby forming a multilayer composite sandwich structure. The sound insulation core layer is a composite material formed by waste slag (WS) reinforced polyurethane (PU) and having a two-dimensional periodic pipe array (PC). The surface board layer, the dampness layer and the sound insulation core layer are laminated with and bond to each other according to preset layer number and sequence, and the composite board material is cut to obtain the multilayer composite board material. The board material is used as separation walls in building, and has important meanings of increasing floor area ratio and reducing weight load of high-rise buildings. The board material may be an inexorable trend of creating green building and providing high-quality ecologic resident products and achieving ecological and harmonic development of earth for human being.
Description
Technical field
The invention belongs to building material field, and in particular to a kind of MULTILAYER COMPOSITE sound insulating sheet material for building and preparation method thereof
With application.
Background technology
With social industrial expansion, noise pollution has become one of four big public hazards, the serious body and mind for affecting people
Health.Traditional building sound insulation and noise reduction material is mainly the material such as brick, cement, solid wood or concrete, cost, weight, sound insulation,
There is larger shortcoming in all many-sides such as the feature of environmental protection；MULTILAYER COMPOSITE sandwich structure is a kind of typical high-strength light structure, tool
There is antidetonation, sound insulation, heat-insulated, have been widely used for the industries such as traffic, aviation, building, MULTILAYER COMPOSITE sandwich structure
Frivolous acoustic dampening composite has become a trend of novel noise reduction environment functional material development, lives to improving skyscraper
The plot ratio in room and reduce load-bearing and be of great importance, be Creating Green building, provides for the mankind high-quality Ecological Residential product and
The inexorable trend of earth ecology harmonious development.
The content of the invention
To solve drawbacks described above present in prior art, it is an object of the invention to provide a kind of MULTILAYER COMPOSITE for building
Sound insulating sheet material and preparation method and application.
The purpose of the present invention is achieved through the following technical solutions：
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, including panel layer, damping layer and sound insulation sandwich layer, are outer with panel layer
The MULTILAYER COMPOSITE sandwich structure that layer, damping layer are intermediate layer, sound insulation sandwich layer is sandwich layer formation, described sound insulation sandwich layer is with two
The abandoned mine slag (WS) of dimension periodicity pipe array (PC) structure strengthens polyurethane (PU) composite.
Described panel layer is wooden three-ply board, corrosion resistant plate, the one kind in aluminium alloy plate, and thickness is 0.5-3mm, and face is close
Spend for 2.2-3.5kg/m2。
Described damping layer is rubber damping pad or shoddy hydridization damping mat, and thickness is 1.0-2.0mm, and surface density is
1.5-2.0kg/m2。
Preferably, the described MULTILAYER COMPOSITE sandwich structure number of plies is 3 layers, is followed successively by panel layer, damping layer and sound insulation sandwich layer.
Preferably, the described MULTILAYER COMPOSITE sandwich structure number of plies be 4 layers, be followed successively by panel layer, damping layer, sound insulation sandwich layer and
Panel layer.
Preferably, the described MULTILAYER COMPOSITE sandwich structure number of plies be 5 layers, be followed successively by panel layer, damping layer, sound insulation sandwich layer,
Damping layer and panel layer.
Described abandoned mine slag (WS) is colliery powder (GS), the one kind in copper tailing sand (CS) or waste stone dust (LS).
The preparation method of described sound insulation sandwich layer PC/WS/PU composites is：
(1) by the component C of the foaming component A of 45wt%, the foaming B component of 45wt% and 10wt% rotating speed be 2000-
The electric blender stirring 10-15s of 4000r/min is obtained the PU foaming prepolymers containing WS；
(2) will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 2-6mm stainless steel tube cloth
Two-dimensional and periodic pipe array is set in mould, baking oven rises to 80-120 DEG C of preset temperature；
(3) quick to pour the PU foaming prepolymers containing WS in step (1) in mould into, driving air pocket away is uniformly distributed which
In mould, foaming 0.5-2h in baking oven is put into rapidly, then natural cooling, ripening 12-24h cuttings at room temperature obtain PC/
WS/PU composites.
Described foaming component A is polyether polyol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethyl ethanol
Amine, silicone oil are 80 according to mass ratio:24:0.6:1:1 mixture；Described foaming B component is that liquid diphenylmethane methylmethane two is different
Cyanate (MDI)；Described component C is the WS granules that mean diameter is 2-5mm.
A kind of preparation method of MULTILAYER COMPOSITE sound insulating sheet material for building is：By panel layer, damping layer and sound insulation sandwich layer according to
The number of plies and order stacking are bonded together, and then cutting obtains MULTILAYER COMPOSITE sound insulating sheet material.
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, for building partition occasion.
The invention has the advantages that：
The sound insulation sandwich layer of the present invention is with abandoned mine slag modified foaming polyurethane, and introduces two-dimensional and periodic pipe array junctions wherein
Structure, not only can realize the combination of hybrid composite material decrease of noise functions and phonon crystal low frequency local band gap effect, prepare wideband
The composite that domain sound absorption has both, and also achieve the resource recycling of abandoned mine slag；Introduce in multilayer composite board
Damping layer, increases the noise reduction soundproof effect of material.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, including panel layer, damping layer and sound insulation sandwich layer, are outer with panel layer
Layer, damping layer are intermediate layer, sound insulation sandwich layer is that sandwich layer forms MULTILAYER COMPOSITE sandwich structure, and sound insulation sandwich layer is with two-dimensional and periodic
The abandoned mine slag (WS) of pipe array (PC) structure strengthens polyurethane (PU) composite.
Wherein, panel layer is wooden three-ply board, and thickness is 0.5mm, and surface density is 2.2kg/m2；Damping layer is rubber damping
Pad, thickness is 1.0mm, and surface density is 1.5kg/m2；The MULTILAYER COMPOSITE sandwich structure number of plies is 3 layers；Abandoned mine slag (WS) is gangue
Powder (GS).
The preparation method of sound insulation sandwich layer PC/WS/PU composites is：(1) by the foaming component A of 45wt%, 45wt%
The component C of foaming B component and 10wt% is obtained PU containing WS for the electric blender stirring 10s of 2000-4000r/min in rotating speed
Foaming prepolymer；(2) will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 2mm stainless steel tube
Two-dimensional and periodic pipe array is arranged in mould, baking oven rises to 80 DEG C of preset temperature；(3) it is quick to contain WS in step (1)
PU foaming prepolymers pour in mould, driving air pocket away makes which be uniformly distributed in mould, is put into rapidly foaming in baking oven
0.5h, then natural cooling, at room temperature ripening 12h cuttings obtain PC/WS/PU composites；Wherein, the component A that foams is poly-
Ethoxylated polyhydric alcohol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethylethanolamine, silicone oil are 80 according to mass ratio:24:
0.6:1:1 mixture；Described foaming B component is liquid diphenylmethane dicyclohexylmethane diisocyanate (MDI)；Described component C is
WS granule of the mean diameter for 2mm.
A kind of preparation method of MULTILAYER COMPOSITE sound insulating sheet material for building is：By panel layer, damping layer and sound insulation sandwich layer according to
The number of plies and order stacking are bonded together, and then cutting obtains MULTILAYER COMPOSITE sound insulating sheet material.
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, for building partition occasion.
Embodiment 2
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, including panel layer, damping layer and sound insulation sandwich layer, are outer with panel layer
Layer, damping layer are intermediate layer, sound insulation sandwich layer is that sandwich layer forms MULTILAYER COMPOSITE sandwich structure, and sound insulation sandwich layer is with two-dimensional and periodic
The abandoned mine slag (WS) of pipe array (PC) structure strengthens polyurethane (PU) composite.
Wherein, panel layer is corrosion resistant plate, and thickness is 3mm, and surface density is 3.5kg/m2；Damping layer is hindered for shoddy hydridization
Buddhist nun's pad, thickness are 2.0mm, and surface density is 2.0kg/m2；The MULTILAYER COMPOSITE sandwich structure number of plies is 5 layers；Abandoned mine slag (WS) is copper tail
Ore in sand form (CS).
The preparation method of sound insulation sandwich layer PC/WS/PU composites is：(1) by the foaming component A of 45wt%, 45wt%
The component C of foaming B component and 10wt% is obtained PU containing WS for the electric blender stirring 15s of 2000-4000r/min in rotating speed
Foaming prepolymer；(2) will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 6mm stainless steel tube
Two-dimensional and periodic pipe array is arranged in mould, baking oven rises to 120 DEG C of preset temperature；(3) it is quick to contain WS in step (1)
PU foaming prepolymers pour in mould, driving air pocket away makes which be uniformly distributed in mould, is put into rapidly foaming 2h in baking oven,
Then natural cooling, at room temperature ripening 24h cuttings obtain PC/WS/PU composites；Wherein, the component A that foams is polyether polyols
Alcohol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethylethanolamine, silicone oil are 80 according to mass ratio:24:0.6:1:1
Mixture；Described foaming B component is liquid diphenylmethane dicyclohexylmethane diisocyanate (MDI)；Described component C for mean diameter is
The WS granules of 5mm.
A kind of preparation method of MULTILAYER COMPOSITE sound insulating sheet material for building is：By panel layer, damping layer and sound insulation sandwich layer according to
The number of plies and order stacking are bonded together, and then cutting obtains MULTILAYER COMPOSITE sound insulating sheet material.
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, for building partition occasion.
Embodiment 3
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, including panel layer, damping layer and sound insulation sandwich layer, are outer with panel layer
Layer, damping layer are intermediate layer, sound insulation sandwich layer is that sandwich layer forms MULTILAYER COMPOSITE sandwich structure, and sound insulation sandwich layer is with two-dimensional and periodic
The abandoned mine slag (WS) of pipe array (PC) structure strengthens polyurethane (PU) composite.
Wherein, panel layer is aluminium alloy plate, and thickness is 1.5mm, and surface density is 3.0kg/m2；Damping layer is rubber damping
Pad, thickness is 1.5mm, and surface density is 1.8kg/m2；The MULTILAYER COMPOSITE sandwich structure number of plies is 4 layers；Abandoned mine slag (WS) is waste stone dust
(LS)。
The preparation method of sound insulation sandwich layer PC/WS/PU composites is：(1) by the foaming component A of 45wt%, 45wt%
The component C of foaming B component and 10wt% is obtained PU containing WS for the electric blender stirring 12s of 2000-4000r/min in rotating speed
Foaming prepolymer；(2) will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 4mm stainless steel tube
Two-dimensional and periodic pipe array is arranged in mould, baking oven rises to 100 DEG C of preset temperature；(3) it is quick to contain WS in step (1)
PU foaming prepolymers pour in mould, driving air pocket away makes which be uniformly distributed in mould, is put into rapidly foaming 1h in baking oven,
Then natural cooling, at room temperature ripening 16h cuttings obtain PC/WS/PU composites；The component A that wherein foams is polyether polyols
Alcohol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethylethanolamine, silicone oil are 80 according to mass ratio:24:0.6:1:1
Mixture；Described foaming B component is liquid diphenylmethane dicyclohexylmethane diisocyanate (MDI)；Described component C for mean diameter is
The WS granules of 3mm.
A kind of preparation method of MULTILAYER COMPOSITE sound insulating sheet material for building is：By panel layer, damping layer and sound insulation sandwich layer according to
The number of plies and order stacking are bonded together, and then cutting obtains MULTILAYER COMPOSITE sound insulating sheet material.
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, for building partition occasion.
Embodiment 4
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, including panel layer, damping layer and sound insulation sandwich layer, are outer with panel layer
Layer, damping layer are intermediate layer, sound insulation sandwich layer is that sandwich layer forms MULTILAYER COMPOSITE sandwich structure, and sound insulation sandwich layer is with two-dimensional and periodic
The abandoned mine slag (WS) of pipe array (PC) structure strengthens polyurethane (PU) composite.
Wherein, panel layer is aluminium alloy plate, and thickness is 2.0mm, and surface density is 3.2kg/m2；Damping layer is shoddy hydridization
Damping mat, thickness are 1.8mm, and surface density is 1.8kg/m2；The MULTILAYER COMPOSITE sandwich structure number of plies is 5 layers；Abandoned mine slag (WS) is coal
Spoil powder (GS).
The preparation method of sound insulation sandwich layer PC/WS/PU composites is：(1) by the foaming component A of 45wt%, 45wt%
The component C of foaming B component and 10wt% is obtained PU containing WS for the electric blender stirring 11s of 2000-4000r/min in rotating speed
Foaming prepolymer；(2) will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 3mm stainless steel tube
Two-dimensional and periodic pipe array is arranged in mould, baking oven rises to 90 DEG C of preset temperature；(3) it is quick to contain WS in step (1)
PU foaming prepolymers pour in mould, driving air pocket away makes which be uniformly distributed in mould, is put into rapidly foaming 2h in baking oven,
Then natural cooling, at room temperature ripening 12-24h cuttings obtain PC/WS/PU composites；Wherein, the component A that foams is polyethers
Polyhydric alcohol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethylethanolamine, silicone oil are 80 according to mass ratio:24:0.6:
1:1 mixture；Described foaming B component is liquid diphenylmethane dicyclohexylmethane diisocyanate (MDI)；Described component C is average
WS granule of the particle diameter for 5mm.
A kind of preparation method of MULTILAYER COMPOSITE sound insulating sheet material for building is：By panel layer, damping layer and sound insulation sandwich layer according to
The number of plies and order stacking are bonded together, and then cutting obtains MULTILAYER COMPOSITE sound insulating sheet material.
A kind of MULTILAYER COMPOSITE sound insulating sheet material for building, for building partition occasion.
The MULTILAYER COMPOSITE sound insulating sheet material for building prepared by above-described embodiment 1-4, the PC/WS/PU with thickness as 40mm
Composite is sound insulation sandwich layer, adds common panel layer and can reach China《Code for sound insulation design of civil buildings》(GBJ118-
88) the most general house three-level oise insulation factor standard (>=40dB (A)) of the use that specifies；When introduce damping layer after, averagely every
Volume maximum can reach 46.3dB (A), meet above secondary standard (>=45 (dB (A)), and thickness only limited within 50mm, it is real
The lightening effect of MULTILAYER COMPOSITE sound insulating sheet material for building is showed.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (9)
1. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building, it is characterised in that including panel layer, damping layer and sound insulation sandwich layer, with face
Flaggy is outer layer, the MULTILAYER COMPOSITE sandwich structure that damping layer is intermediate layer, sound insulation sandwich layer is sandwich layer formation, described sound insulation sandwich layer
It is that the abandoned mine slag with two-dimensional and periodic pipe array structure strengthens compound polyurethane material.
2. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that described panel layer is
One kind in wooden three-ply board, corrosion resistant plate, aluminium alloy plate, thickness are 0.5-3mm, and surface density is 2.2-3.5kg/m2。
3. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that described damping layer is
Rubber damping pad or shoddy hydridization damping mat, thickness are 1.0-2.0mm, and surface density is 1.5-2.0kg/m2。
4. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that described MULTILAYER COMPOSITE
The sandwich structure number of plies is 3-5 layers.
5. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that described abandoned mine slag is
One kind in colliery powder, copper tailing sand or waste stone dust.
6. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that described sound insulation sandwich layer
Preparation method include：
Step 1, by the component C of the foaming component A of 45wt%, the foaming B component of 45wt% and 10wt% rotating speed be 2000-
The electric blender stirring 10-15s of 4000r/min is obtained the polyurethane foam performed polymer containing abandoned mine slag；
Step 2, will be stainless steel mould and lid uniform application vaseline standby, and by pipe external diameter for 2-6mm stainless steel tube cloth
Two-dimensional and periodic pipe array is set in mould, baking oven rises to 80-120 DEG C of preset temperature；
Step 3, it is quick the polyurethane foam performed polymer containing abandoned mine slag in the step 1 is poured in mould, driving air pocket away makes
Which is uniformly distributed in mould, is put into rapidly foaming 0.5-2h in baking oven, then natural cooling, and ripening 12-24h cuts out at room temperature
Cut and obtain the enhancing compound polyurethane material of the abandoned mine slag with two-dimensional and periodic pipe array structure.
7. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 6, it is characterised in that described foaming A groups
It is 80 to be divided into polyether polyol, a fluorine dichloroethanes, double dimethylaminoethyl ethers, dimethylethanolamine, silicone oil according to mass ratio:
24:0.6:1:1 mixture；Described foaming B component is liquid diphenylmethane dicyclohexylmethane diisocyanate；Described component C is flat
Particle diameter is the abandoned mine solid impurity particle of 2-5mm.
8. the preparation method of the MULTILAYER COMPOSITE sound insulating sheet material a kind of for building according to any one of claim 1-7, its feature
It is that panel layer, damping layer and sound insulation sandwich layer are bonded together according to the number of plies and order stacking, then cutting obtains many
Layer complex sound insulation sheet material.
9. a kind of MULTILAYER COMPOSITE sound insulating sheet material for building according to claim 1, it is characterised in that for building partition field
Close.
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