CN108263047A - A kind of car lightweight integrated floor and preparation method thereof - Google Patents
A kind of car lightweight integrated floor and preparation method thereof Download PDFInfo
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- CN108263047A CN108263047A CN201611262817.1A CN201611262817A CN108263047A CN 108263047 A CN108263047 A CN 108263047A CN 201611262817 A CN201611262817 A CN 201611262817A CN 108263047 A CN108263047 A CN 108263047A
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- aluminium
- honeycomb
- car lightweight
- continuous glass
- integrated floor
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B15/08—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 synthetic resin
- B32B15/085—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 synthetic resin comprising polyolefins
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2054—Load carrying floors for commercial vehicles
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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
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- 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
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- 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
- B32B2419/04—Tiles for floors or walls
-
- 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
- B32B2605/00—Vehicles
- B32B2605/10—Trains
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
Abstract
The present invention relates to a kind of car lightweight integrated floors and preparation method thereof, belong to bus interior technical field.The car lightweight integrated floor of the present invention, includes continuous glass-fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet successively from top to bottom, and the aluminium keriotheca includes aluminium honeycomb and the hard polyurethane foam being filled in the cellular honeycomb of aluminium.The car lightweight integrated floor of the present invention, it is light using continuous glass-fiber reinforced polypropylene composite plate, it is cheap, while the cost and complete vehicle quality for reducing parts, also reduce cost of labor；In addition, continuous glass-fiber reinforced polypropylene composite plate has good toughness and wearability, Color tunable, and upper strata can save the use of flooring laminate using continuous glass-fiber reinforced polypropylene composite plate, the phenomenon that so as to wrap from avoiding when using flooring laminate, and be conducive to vehicle environmental protection.
Description
Technical field
The present invention relates to a kind of car lightweight integrated floors and preparation method thereof, belong to bus interior technical field.
Background technology
Car lightweight can bring preferably it is handling, engine output power can generate higher acceleration,
Accelerating ability is more preferable when starting accelerates, and braking distance during brake is shorter, effectively improves fuel efficiency and loading capacity.Experiment card
Bright, if vehicle complete vehicle weight reduces by 10%, fuel efficiency can improve 6%~8%；Automobile kerb weight often reduces 100kg, and hundred is public
In oil consumption can reduce by 0.3~0.6 liter；Vehicle weight reduces by 1%, and oil consumption can reduce by 0.7%.Currently, due to environmentally friendly and energy-efficient
It needs, the lightweight of automobile has become the trend of world car development.Floor is mounted on floor frame, is provided and is held
The important parts of the functions such as load, sound insulation, noise reduction, heat-insulated, heat preservation and waterproof, common bamboo weaving floor are heavy, easy with weight
It rots, incendive shortcoming, car lightweight integrated floor substantially reduces floor assembling oneself while floor quality is promoted
Weight contributes for vehicle lightweight.
In the prior art, publication No. is that the Chinese patent application file of CN10581887A discloses a kind of novel car
Floor, it is hard by polyurethane resin between first aluminium sheet and the second aluminium sheet including the first aluminium sheet, the second aluminium sheet and aluminium honeycomb
Bubble is compounded with aluminium honeycomb, passes through hot pressing composite molding between each layer.The bus deck is lighter than traditional bamboo-wood floor by 100%, fuel-efficient
Consumption；Prevent traditional bamboo-wood floor and meet the perishable phenomenon of high temperature and humidity.But the floor uses two layers of aluminium sheet, and before use
Glued floor is needed to remove from office, parts are of high cost.
Invention content
The object of the present invention is to provide a kind of parts car lightweight integrated floors at low cost.
The present invention also provides a kind of preparation methods of car lightweight integrated floor.
In order to achieve the goal above, technical solution is used by the car lightweight integrated floor of the present invention：
A kind of car lightweight integrated floor includes continuous glass-fiber reinforced polypropylene composite plate, aluminium bee successively from top to bottom
Nest layer and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and the hard polyurethane foam being filled in the cellular honeycomb of aluminium.
The car lightweight integrated floor of the present invention, using continuous glass-fiber reinforced polypropylene composite plate, light, price is low
It is honest and clean, while the cost and complete vehicle quality for reducing parts, also reduce cost of labor；In addition, continuous glass-fiber enhancing poly- third
Alkene composite plate has good toughness and wearability, Color tunable, and upper strata can be saved using continuous glass-fiber reinforced polypropylene composite plate
The use of flooring laminate is gone, the phenomenon that so as to wrap from avoiding when using flooring laminate, and is conducive to vehicle environmental protection.
The aluminium keriotheca of the car lightweight integrated floor of the present invention is supported using aluminium honeycomb, central filler polyurethane
Hard bubble different from glued board, can ensure floor strength.
The car lightweight integrated floor of the present invention has that light, intensity is high, corrosion-resistant, environmentally friendly, stability is more preferable, shape
More attractive, the characteristics of service life is longer, is easily installed etc.；Because use be all rotproofness aluminum material and high molecular material,
Also specifically there is the advantages of imputrescibility under hot and humid environment, will not be damaged by worms.
Preferably, bonding connection between the continuous glass-fiber reinforced polypropylene composite plate and aluminium keriotheca.Further preferably
, the bonding connection is connected using PP adhesive promoters.Continuous glass-fiber enhancing can be enhanced using PP adhesive promoters
Bonding force between polypropylene composite materials plate and aluminium keriotheca avoids floor from occurring delamination in the long-term use, extends
The service life of car lightweight integrated floor.
Preferably, the surface of the side towards continuous glass-fiber reinforced polypropylene composite plate of the aluminium sheet opens up fluted.
The groove that surface of aluminum plate opens up can further enhance the combination between aluminium keriotheca and aluminium sheet.Preferably, the groove is recessed
Decorative pattern.
Preferably, the depth of the groove is 0.05~0.15mm.The aluminium sheet is aluminium sheet for 7.The thickness of the aluminium sheet
For 0.5~1mm.The thickness of the continuous glass-fiber reinforced polypropylene composite plate is 1.5~2mm.
The cellular honeycomb extending direction of aluminium is vertical with surface of aluminum plate.
Preferably, the hard polyurethane foam is formed after the foaming of filled polyurethane foamed material in the cellular honeycomb of aluminium
's.The polyurethane foam material includes A material and B material.The A material main component is polyether polyol, the main component of the B material
For polymeric isocyanate or isocyanates.The mass ratio of the A material and B material is 1:1~1.2.
The hydroxyl value of the polyether polyol is 300~1000mgKOH/g, viscosity≤45000mPas at 25 DEG C.It is described poly-
The polymerized monomer for closing isocyanates is toluene di-isocyanate(TDI), appointing in methyl diphenylene diisocyanate, hexamethylene diisocyanate
It anticipates one or more.
Preferably, the content of glass fibre is 30~40% in the continuous glass-fiber reinforced polypropylene composite plate.
Preferably, the thickness of the car lightweight integrated floor is 9~16mm.Further preferably 12-15mm.
Technical solution is used by the preparation method of the car lightweight integrated floor of the present invention：
A kind of preparation method of above-mentioned car lightweight integrated floor, includes the following steps：Aluminium bee is laid on aluminium sheet
Nest, then the filled polyurethane hard bubble in the cellular honeycomb of aluminium, then continuous glass-fiber reinforced polypropylene composite plate is layered on aluminium
On honeycomb, hot pressing to get；
Or the preparation method of the car lightweight integrated floor includes the following steps：In continuous glass-fiber reinforced polypropylene
Aluminium honeycomb, then the filled polyurethane hard bubble in the cellular honeycomb of aluminium, then aluminium sheet is layered on aluminium honeycomb are laid in composite plate
On, hot pressing to get.
The preparation method of the car lightweight integrated floor of the present invention is simple, convenient for promoting, suitable for industrialized production.
Preferably, the aluminium sheet is aluminium sheet for 7.The thickness of the aluminium sheet is 0.5~1mm.The continuous glass-fiber enhancing is poly-
The thickness of propylene composite plate is 1.5~2mm.
Preferably, the aluminium sheet before use, first polish the recessed decorative pattern of 0.05~0.15mm depths in surface of aluminum plate.
Aluminium honeycomb is laid on aluminium sheet or when aluminium sheet is layered on aluminium honeycomb, makes to polish the one of recessed decorative pattern facing towards aluminium honeycomb.
Preferably, the filled polyurethane hard bubble includes the following steps：Polyurethane foam material is filled in the cellular bee of aluminium
In nest structure, foaming forms hard polyurethane foam.The polyurethane foam material includes A material and B material.The main component of A material is
Polyether polyol, the main component of the B material is polymeric isocyanate or isocyanates.The mass ratio of the A material and B material is 1:
1~1.2.
Preferably, the hydroxyl value of the polyether polyol is 300~1000mgKOH/g, viscosity≤45000mPa at 25 DEG C
s。
Preferably, the polymerized monomer of the polymeric isocyanate is toluene di-isocyanate(TDI), diphenylmethane diisocyanate
Any one or more in ester, hexamethylene diisocyanate.
Preferably, the side surface smear of the continuous glass-fiber reinforced polypropylene composite plate towards aluminium keriotheca has PP attachments
Power reinforcing agent.
Preferably, the content of glass fibre is 30~40% in the continuous glass-fiber reinforced polypropylene composite plate.
Preferably, the pressure of the hot pressing is 10~11MPa.The temperature of hot pressing is 35~45 DEG C.The dwell time of hot pressing
For 8~10min.
Preferably, the thickness of the car lightweight integrated floor is 9~16mm.Further preferably 12~15mm.
Description of the drawings
Fig. 1 is the schematic cross-section of the car lightweight integrated floor of embodiment 1, wherein, 1- continuous glass-fibers enhancing poly- third
Alkene composite plate, 2- aluminium honeycombs, 3- hard polyurethane foams, 4- aluminium sheets；
Fig. 2 is the cellular structure diagram of aluminium of embodiment 1；
Schematic diagrames of the Fig. 3 for mold used by embodiment 1, wherein, 5- formpistons, 6- formers.
Specific embodiment
Technical scheme of the present invention is further described below in conjunction with specific embodiment.
In specific embodiment, used aluminium sheet is aluminium sheet for the 7 of high intensity；Used A material are saved for Shandong Linkage
The rigid-foam polyether LCS-4110B of energy new material limited company production, hydroxyl value is 440~460mgKOH/g, at 25 DEG C, is glued
It spends for 4000~6000mPas.
Embodiment 1
The car lightweight integrated floor of the present embodiment, as shown in Figure 1, including setting gradually and being compounded in one from top to bottom
Continuous glass-fiber reinforced polypropylene composite plate 1, aluminium keriotheca and the aluminium sheet 4 risen, the aluminium keriotheca include aluminium honeycomb 2 and are filled in
Hard polyurethane foam 3 in the cellular honeycomb of aluminium, the cellular structure diagram of aluminium are shown in Fig. 2.Continuous glass-fiber reinforced polypropylene is answered
The thickness of plywood is 1.5mm, and the mass percent of glass fibre is 35% in continuous glass-fiber reinforced polypropylene composite plate；Aluminium sheet
Thickness is 0.5mm；The cellular thickness of aluminium is 10mm；The thickness of car lightweight integrated floor is 12mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First 0.1mm depths are polished in surface of aluminum plate
Recessed decorative pattern, then the one side for polishing recessed decorative pattern is placed in mold bottom upward；Then aluminium honeycomb, aluminium are laid on aluminium sheet
Honeycomb is spread out naturally, then is uniformly sprayed into polyurethane foam material in the cellular honeycomb of aluminium and foamed to form hard polyurethane foam；So
PP adhesive promoters are smeared in continuous glass-fiber reinforced polypropylene composite plate afterwards, then by continuous glass-fiber reinforced polypropylene composite plate
According to the face-down of PP adhesive promoters is smeared, it is layered on aluminium honeycomb；The finally hot pressing under conditions of 40 DEG C, 10MPa
8min；Die sinking, deburring, molding to get.The schematic diagram of used mold is shown in Fig. 3, including formpiston 5 and former 6.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be toluene di-isocyanate(TDI) (TDI)；A expects and the mass ratio of B material is 1:1.
Embodiment 2
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.The thickness of continuous glass-fiber reinforced polypropylene composite plate is 2mm, and continuous glass-fiber reinforced polypropylene is compound
The mass percent of glass fibre is 30% in plate；The thickness of aluminium sheet is 1mm；The cellular thickness of aluminium is 12mm；Car lightweight
The thickness of integrated floor is 15mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First continuous glass-fiber reinforced polypropylene is answered
Plywood is placed in mold bottom, and PP adhesive promoters are then smeared on face upward；Aluminium honeycomb is laid on continuous glass-fiber again
In reinforced polypropylene composite plate, aluminium honeycomb is spread out naturally, then uniformly sprays into polyurethane foam in the cellular honeycomb of aluminium
Material foaming forms hard polyurethane foam；The recessed decorative pattern of 0.1mm depths is polished in surface of aluminum plate again, then recessed decorative pattern will be polished
One is layered on aluminium honeycomb down；The finally hot pressing 10min under conditions of 40 DEG C, 11MPa；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be methyl diphenylene diisocyanate (MDI)；A expects and the mass ratio of B material is 1:1.2.B material step father-in-law for Hensel
Take charge of the polymeric MDI of the model SUPRASEC 5005 of production.
Embodiment 3
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.Thickness in continuous glass-fiber reinforced polypropylene composite plate is 1.8mm, continuous glass-fiber reinforced polypropylene
The mass percent of glass fibre is 40% in composite plate；The thickness of aluminium sheet is 0.8mm；The cellular thickness of aluminium is 9.4mm；Car
The thickness of lightweight integrated floor is 12mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First 0.05mm is polished in surface of aluminum plate
Deep recessed decorative pattern, then the one side for polishing recessed decorative pattern is placed in mold bottom upward；Then aluminium honeycomb is laid on aluminium sheet,
Aluminium honeycomb is spread out naturally, then is uniformly sprayed into polyurethane foam material in the cellular honeycomb of aluminium and foamed to form hard polyurethane foam；
Then PP adhesive promoters are smeared in continuous glass-fiber reinforced polypropylene composite plate, then continuous glass-fiber reinforced polypropylene is compound
Plate is layered on according to the face-down of PP adhesive promoters is smeared on aluminium honeycomb；Finally under conditions of 35 DEG C, 10.5MPa
Hot pressing 9min；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be hexamethylene diisocyanate (HDI)；A expects and the mass ratio of B material is 1:1.1.
Embodiment 4
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.Thickness in continuous glass-fiber reinforced polypropylene composite plate is 1.6mm, continuous glass-fiber reinforced polypropylene
The mass percent of glass fibre is 33% in composite plate；The thickness of aluminium sheet is 0.6mm；The cellular thickness of aluminium is 12.8mm；Visitor
The thickness of vehicle lightweight integrated floor is 15mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First continuous glass-fiber reinforced polypropylene is answered
Plywood is placed in mold bottom, and PP adhesive promoters are then smeared on face upward；Aluminium honeycomb is laid on continuous glass-fiber again
In reinforced polypropylene composite plate, aluminium honeycomb is spread out naturally, then uniformly sprays into polyurethane foam in the cellular honeycomb of aluminium
Material foaming forms hard polyurethane foam；The recessed decorative pattern of 0.15mm depths is polished in surface of aluminum plate again, then recessed decorative pattern will be polished
One be layered on aluminium honeycomb down；The finally hot pressing 8min under conditions of 45 DEG C, 10MPa；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be toluene di-isocyanate(TDI) (TDI)；A expects and the mass ratio of B material is 1:1.
Embodiment 5
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.The thickness of continuous glass-fiber reinforced polypropylene composite plate is 1.5mm, and continuous glass-fiber reinforced polypropylene is answered
The mass percent of glass fibre is 35% in plywood；The thickness of aluminium sheet is 0.72mm；The cellular thickness of aluminium is 7mm；Car is light
The thickness for quantifying integrated floor is 9.22mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First 0.1mm depths are polished in surface of aluminum plate
Recessed decorative pattern, then the one side for polishing recessed decorative pattern is placed in mold bottom upward；Then aluminium honeycomb, aluminium are laid on aluminium sheet
Honeycomb is spread out naturally, then is uniformly sprayed into polyurethane foam material in the cellular honeycomb of aluminium and foamed to form hard polyurethane foam；So
PP adhesive promoters are smeared in continuous glass-fiber reinforced polypropylene composite plate afterwards, then by continuous glass-fiber reinforced polypropylene composite plate
According to the face-down of PP adhesive promoters is smeared, it is layered on aluminium honeycomb；The finally hot pressing under conditions of 40 DEG C, 10MPa
8min；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be toluene di-isocyanate(TDI) (TDI)；A expects and the mass ratio of B material is 1:1.
Embodiment 6
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.The thickness of continuous glass-fiber reinforced polypropylene composite plate be 1.75mm, continuous glass-fiber reinforced polypropylene
The mass percent of glass fibre is 30% in composite plate；The thickness of aluminium sheet is 0.5mm；The cellular thickness of aluminium is 7mm；Car is light
The thickness for quantifying integrated floor is 9.25mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First continuous glass-fiber reinforced polypropylene is answered
Plywood is placed in mold bottom, and PP adhesive promoters are then smeared on face upward；Aluminium honeycomb is laid on continuous glass-fiber again
In reinforced polypropylene composite plate, aluminium honeycomb is spread out naturally, then uniformly sprays into polyurethane foam in the cellular honeycomb of aluminium
Material foaming forms hard polyurethane foam；The recessed decorative pattern of 0.1mm depths is polished in surface of aluminum plate again, then recessed decorative pattern will be polished
One is layered on aluminium honeycomb down；The finally hot pressing 10min under conditions of 40 DEG C, 11MPa；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be methyl diphenylene diisocyanate (MDI)；A expects and the mass ratio of B material is 1:1.2.B material step father-in-law for Hensel
Take charge of the polymeric MDI of the model SUPRASEC 5005 of production.
Embodiment 7
The car lightweight integrated floor of the present embodiment, including the continuous glass for setting gradually and being combined with each other from top to bottom
Fiber reinforced polypropylene composite plate, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and are filled in the cellular honeycomb of aluminium
Hard polyurethane foam in structure.Thickness in continuous glass-fiber reinforced polypropylene composite plate is 1.88mm, and continuous glass-fiber enhances poly- third
The mass percent of glass fibre is 40% in alkene composite plate；The thickness of aluminium sheet is 0.8mm；The cellular thickness of aluminium is 6.5mm；Visitor
The thickness of vehicle lightweight integrated floor is 9.18mm.
The preparation method of the car lightweight integrated floor of the present embodiment, including：First 0.05mm is polished in surface of aluminum plate
Deep recessed decorative pattern, then the one side for polishing recessed decorative pattern is placed in mold bottom upward；Then aluminium honeycomb is laid on aluminium sheet,
Aluminium honeycomb is spread out naturally, then is uniformly sprayed into polyurethane foam material in the cellular honeycomb of aluminium and foamed to form hard polyurethane foam；
Then PP adhesive promoters are smeared in continuous glass-fiber reinforced polypropylene composite plate, then continuous glass-fiber reinforced polypropylene is compound
Plate is layered on according to the face-down of PP adhesive promoters is smeared on aluminium honeycomb；Finally under conditions of 35 DEG C, 10.5MPa
Hot pressing 9min；Die sinking, deburring, molding to get.
Above-mentioned polyurethane foam material includes A material and B material, and the main component of B material is polymeric isocyanate；Polymeric isocyanate
Polymerized monomer be hexamethylene diisocyanate (HDI)；A expects and the mass ratio of B material is 1:1.1.
Experimental example 1
Static bending strength measures after boiling-frost-drying process of the car lightweight integrated floor of embodiment 5
Test method：With reference to Section 4.10 of methods of GB/T 17657-2013, the test specimen of 250*50.0*9.22mm is put
Enter in (63 ± 2) DEG C water, the water surface is made to take out test specimen higher than 10~20mm of test specimen, water logging 6h, wipe surface moisture, test specimen is put
Enter to freeze under the conditions of (- 20 ± 2) DEG C and for 24 hours, take out test specimen and be put into the air dry oven of (63 ± 2) DEG C, dry 6h takes out examination
Part cools down 30min, static bending strength is then measured in 1h at room temperature.Measure static bending strength when, set test speed as
10mm/min, span 185mm.
The static bending strength after style boiling-frost-drying process is measured according to the method described above as 79.5MPa.
Experimental example 2
The static bending strength and elastic modulus detection of the car lightweight integrated floor of embodiment 6 (3 points curved)
Test method：With reference to Section 4.7 of methods of GB/T 17657-2013, the test specimen of 250*50.0*9.25mm is taken,
Test speed is 10mm/min, and under conditions of span is 185mm, the static bending strength for measuring test specimen is 86.5MPa, and elasticity modulus is
19498MPa。
Experimental example 3
Static bending strength measures after impregnation in 70 DEG C of water of the car lightweight integrated floor of embodiment 7
Test method：With reference to the method for Section of 4.9 method A of GB/T 17657-2013, surveyed using fresh tap water
Examination, 250*50.0*9.18mm is put into stent, stent is then put into sink, is immersed in hot water of the temperature for (70 ± 3) DEG C
In, and water level is kept to cover cover board higher than test specimen upper end (75 ± 15) mm, impregnate 2h.Stent is taken out from sink and takes out examination
Then part is put into test specimen in room temperature sink and impregnates 1h, take out test specimen, wipe the water of the attachment of surface of test piece, measure quiet Qu Qiang
Degree.When measuring static bending strength, test speed is set as 10mm/min, span 185mm.
The static bending strength for measuring test specimen according to the method described above is 87.1MPa.
Embodiment 4
The VOC tests on the car lightweight floor of embodiment 5
Test method：With reference to VDA277：1995, it is analyzed using HS-GC-MS, test result is shown in Table 1.
1 VOC test results of table
| Test event | CAS NO. | Unit | MDL | 001 |
| Benzene | 71-43-2 | mg/kg | 5 | ND |
| Toluene | 108-88-3 | mg/kg | 5 | ND |
| Dimethylbenzene | 1330-20-7 | mg/kg | 5 | ND |
Experimental example 5
The TVOC tests of the car lightweight integrated floor of embodiment 5
Test method：With reference to VDA277：1995, it is analyzed using HS-GC-MS, test result is shown in Table 2.
2 TVOC test results of table
| Test event | Unit | MDL | 001 |
| TVOC | μg C/g | 10 | ND |
Claims (10)
1. a kind of car lightweight integrated floor, it is characterised in that：It is answered successively including continuous glass-fiber reinforced polypropylene from top to bottom
Plywood, aluminium keriotheca and aluminium sheet, the aluminium keriotheca include aluminium honeycomb and the polyurethane being filled in the cellular honeycomb of aluminium
Hard bubble.
2. car lightweight integrated floor according to claim 1, it is characterised in that：The continuous glass-fiber reinforced polypropylene
Bonding connection between composite plate and aluminium keriotheca.
3. car lightweight integrated floor according to claim 1, it is characterised in that：The aluminium sheet towards aluminium keriotheca
A side surface offer groove.
4. car lightweight integrated floor according to claim 3, it is characterised in that：The depth of the groove for 0.05~
0.15mm。
5. car lightweight integrated floor according to claim 3 or 4, it is characterised in that：The car lightweight integrates
The thickness on floor is 9~16mm.
6. a kind of preparation method of car lightweight integrated floor as described in claim 1, it is characterised in that：Including walking as follows
Suddenly：Aluminium honeycomb, then the filled polyurethane hard bubble in the cellular honeycomb of aluminium, then continuous glass-fiber is enhanced are laid on aluminium sheet
Polypropylene composite materials plate is layered on aluminium honeycomb, hot pressing to get；
Or include the following steps：Aluminium honeycomb is laid in continuous glass-fiber reinforced polypropylene composite plate, then in the cellular bee of aluminium
Filled polyurethane hard bubble in nest structure, then aluminium sheet is layered on aluminium honeycomb, hot pressing to get.
7. the preparation method of car lightweight integrated floor according to claim 6, it is characterised in that：The poly- ammonia of filling
Ester hard bubble includes the following steps：Polyurethane foam material is filled in the cellular honeycomb of aluminium, foaming forms hard polyurethane foam；
The polyurethane foam material includes A material and B material.
8. the preparation method of car lightweight integrated floor according to claim 7, it is characterised in that：The polyether polyols
The hydroxyl value of alcohol is 300~1000mgKOH/g, viscosity≤45000mPas at 25 DEG C.
9. the preparation method of car lightweight integrated floor according to claim 7, it is characterised in that：The polymerization isocyanide
The polymerized monomer of acid esters is any one in toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, hexamethylene diisocyanate
It is or a variety of.
10. the preparation method of car lightweight integrated floor according to claim 6, it is characterised in that：The continuous glass
The side surface smear of fiber reinforced polypropylene composite plate towards aluminium keriotheca has PP adhesive promoters.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528804A (en) * | 2019-08-23 | 2019-12-03 | 嘉兴吉象装饰建材有限公司 | High surface hardness honeycomb aluminium-plastic panel and its production technology |
| WO2020211177A1 (en) * | 2019-04-17 | 2020-10-22 | 格林莱特实业（苏州）有限公司 | Polyurethane acoustic panel for automobile parts |
| CN111806018A (en) * | 2020-06-24 | 2020-10-23 | 安徽森泰木塑集团股份有限公司 | Reinforced skin-core mutual-dissolution integrated composite board and preparation method thereof |
| CN113320261A (en) * | 2021-04-29 | 2021-08-31 | 江苏华美特金属科技有限公司 | Lightweight combined aluminum composite board and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020211177A1 (en) * | 2019-04-17 | 2020-10-22 | 格林莱特实业（苏州）有限公司 | Polyurethane acoustic panel for automobile parts |
| CN110528804A (en) * | 2019-08-23 | 2019-12-03 | 嘉兴吉象装饰建材有限公司 | High surface hardness honeycomb aluminium-plastic panel and its production technology |
| CN111806018A (en) * | 2020-06-24 | 2020-10-23 | 安徽森泰木塑集团股份有限公司 | Reinforced skin-core mutual-dissolution integrated composite board and preparation method thereof |
| CN113320261A (en) * | 2021-04-29 | 2021-08-31 | 江苏华美特金属科技有限公司 | Lightweight combined aluminum composite board and preparation method thereof |
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