CN108454204A - Car top plate continuous fiber reinforced thermoplastic foamed board and preparation method thereof - Google Patents

Car top plate continuous fiber reinforced thermoplastic foamed board and preparation method thereof Download PDF

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Publication number
CN108454204A
CN108454204A CN201810245686.9A CN201810245686A CN108454204A CN 108454204 A CN108454204 A CN 108454204A CN 201810245686 A CN201810245686 A CN 201810245686A CN 108454204 A CN108454204 A CN 108454204A
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CN
China
Prior art keywords
continuous fiber
fiber reinforced
reinforced thermoplastic
top plate
car top
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810245686.9A
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Chinese (zh)
Inventor
李颖
亓发亮
黄鑫
吴海深
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Zhejiang Sui Jin Composite Material Co Ltd
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Zhejiang Sui Jin Composite Material Co Ltd
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Application filed by Zhejiang Sui Jin Composite Material Co Ltd filed Critical Zhejiang Sui Jin Composite Material Co Ltd
Priority to CN201810245686.9A priority Critical patent/CN108454204A/en
Publication of CN108454204A publication Critical patent/CN108454204A/en
Pending legal-status Critical Current

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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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B32B17/064—
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/066—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a 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
    • 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
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B3/26—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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    • 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
    • B32B37/1027—Pressing using at least one press band
    • B32B37/1036—Pressing between one press band and a cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B38/08—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed 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
    • 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
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • 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
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—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
    • 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
    • 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
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    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2307/00—Properties of the layers or laminate
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    • B32B2605/08—Cars

Abstract

A kind of car top plate continuous fiber reinforced thermoplastic foamed board, the foamed board include face layer, foamed core layer, the continuous fiber reinforced thermoplastic composite sheet for having decorative pattern.The invention has the advantages that：Product has many advantages, such as that high mechanical strength, light-weight, heat resistance is good, low VOC, efficiently solves many deficiencies such as high, the serious, poor rigidity of thermal deformation of weight existing for car inner top panel.Product takes into account the requirements such as cost, environmental protection, lightweight, recyclable simultaneously.

Description

Car top plate continuous fiber reinforced thermoplastic foamed board and preparation method thereof
Technical field
The present invention relates to a kind of car top plate continuous fiber reinforced thermoplastic foamed boards and preparation method thereof.
Background technology
Currently, the plank of traditional car top plate mainly has flax board, aluminium-plastic panel, tabula rasa cellular board, veneered honeycomb panel.It adopts It uses aluminium-plastic panel as car top plate, there is apparent advantage in intensity, anti-flammability etc., but its weight weight, damping effect are poor； And flax board is gradually replaced by honeycomb board class due to perishable, poor fire.
Currently, used honeycomb board, mainly there is two kinds of tabula rasa class, clad can class.To a certain extent, tradition is overcome The deficiency of flax board, aluminium-plastic panel weight, environmental protection, damping etc., but due to this two classes plank, heat resistance is poor, high temperature area Or hot season summer, vehicle interior temperature is higher, and deformation is serious after plank is heated, influences vehicle internal look.
Invention content
The present invention is in order to solve many deficiencies of existing car top plate, and the present invention provides a kind of lightweight, high-strength, thermostabilizations The good continuous fiber reinforced thermoplastic foamed board of property, and can be continuously produced, is efficient.
The present invention solves the technical solution of its technical problem use：This car top plate is sent out with continuous fiber reinforced thermoplastic Plate is steeped, includes face layer with decorative pattern, foamed core layer placed in the middle, the continuous lod thermoplastic for overlaying on foamed core layer upper and lower surface Property composite sheet, the thickness of face layer is 0.2mm~1.5mm, the thickness of continuous fiber reinforced thermoplastic composite sheet be 0.3mm~ The thickness of 2.0mm, foamed core layer are 1mm~10mm.
Further, viscous using thermoplastic resin adhesives between face layer and continuous fiber reinforced thermoplastic composite sheet Knot is fixed using melting between continuous fiber reinforced thermoplastic composite sheet, foamed core layer or thermoplastic resin adhesives is bonded It is fixed.
Further, continuous fiber reinforced thermoplastic composite sheet is that continuous fiber impregnates compound list with thermoplastic resin It is compounded to form to sheet material with 0/90 intersection laying, the continuous fiber in continuous fiber reinforced thermoplastic composite material sheet material is glass The roving of fiber, the thermoplastic resin in continuous fiber reinforced thermoplastic composite material sheet material are polypropylene.
Further, layer decorative pattern in face is any one in leather patterns, wood grain, asperities, water ripples or arbitrary combination, face Layer material be polypropylene, polyethylene terephthalate, polyvinyl chloride, in thermoplastic polyolefin-like any one or it is arbitrary Combination.
Further, foamed core layer is physical blowing, chemical blowing, any one or arbitrary combination in crosslinked foaming, Its material is thermoplastic, is any one in polypropylene, polyethylene, polyethylene terephthalate or arbitrary group It closes.
The above-mentioned car top plate preparation method of continuous fiber reinforced thermoplastic foamed board, includes the following steps：
The first step, by upper layer and lower layer continuous fiber reinforced thermoplastic composite sheet, be individually positioned in unwinding device and unreel, so Foamed core layer is placed among two layers afterwards, according to sandwich layer material, selection uniformly coats thermoplasticity with roller in sandwich layer top and bottom Resin adhesive is not coated by, and battenboard is obtained into double crawler belt compounding machines, which heats by double crawler belt compounding machines, adds Cooling and shaping, carry-over pinch rolls, cutting machine is pressed to cut to obtain the foaming battenboard of predetermined size；
Second step unreels the face layer with different decorative patterns by unwinding device, and foaming battenboard obtained in the previous step is used The uniform coated thermoplastic adhesive of roller passes through roll-in together, compound into double crawler belt compounding machines, cuts, so far completes The car top plate continuous fiber reinforced thermoplastic foamed board of different decorative patterns.
Further, the preparation method of continuous fiber reinforced thermoplastic composite sheet, includes the following steps：
S1 weighs thermoplastic resin, compatilizer, heat ageing agent and light aging agent, is added to high-speed mixer by weight In, it is sufficiently mixed uniformly；
S2 closes object and is squeezed out through screw extruder, conveyed into impregnation mold；
S3 is drawn continuous fiber by yarn releasing device, into exhibition yarn feeding device is crossed, is carried out into impregnation mold and mixture melt Dipping, wound by wrap-up after single nip calender, dragger enhances thermoplastic composite material to get to continuous glass fibre Material.
The invention has the advantages that：Car top plate continuous fiber reinforced thermoplastic foamed board and its preparation of the present invention Method has following advantage：
One, the present invention provides a kind of lightweight, continuous fiber reinforced thermoplastic high-strength, thermal stability is good for car top plate Foaming plate effectively solves many deficiencies such as poor current car top plate temperature tolerance, weight, environmental protection, and can be continuously produced, efficiency It is high；
Two, car top plate continuous fiber reinforced thermoplastic foamed board of the invention, continuous fiber reinforced thermoplastic are compound Sheet material is all made of thermoplastic resin of the same race with sandwich material, by bond vitrified, forms one, adhesion strength is high, wherein interbed The microcellular structure of expanded material, while the functions such as damping, noise reduction, insulation being provided；
Three, the car top plate continuous fiber reinforced thermoplastic foamed board of the present invention, the face layer with decorative pattern and continuous fibre It is adhesively fixed with thermoplastic resin adhesives between dimension enhancing thermoplastic composite sheet material, non-toxic and tasteless, the feature of environmental protection is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is continuous fiber reinforced thermoplastic composite sheet production equipment schematic device of the embodiment of the present invention；
Fig. 3 is the production equipment schematic device of continuous fiber reinforced thermoplastic foamed board of the embodiment of the present invention.
Reference sign：Face layer 1, continuous fiber reinforced thermoplastic composite material sheet material 2, foamed core layer 3, extruder 4, Impregnation mold 5, creel unit 6, exhibition silk device 7, single nip calender 8, auxiliary traction machine 9, wrap-up 10, unwinding device 11, Double crawler belt compounding machines 12, carry-over pinch rolls 13, cutting machine 14, drum-type coating unit 15, round roller 16.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：
This car top plate continuous fiber reinforced thermoplastic foamed board, including it is followed successively by the face with decorative pattern from top to bottom Layer 1, the continuous fiber reinforced thermoplastic composite material sheet material 2 that overlays on 3 upper and lower surface of foamed core layer, center foamed core layer 3.
Wherein, continuous fiber is e-glass fiber roving, 1200tex；
Thermoplastic resin is polypropylene PP；
Continuous fiber reinforced thermoplastic composite sheet, thickness 0.56mm；
Foamed core layer is the polypropylene expanded plate of physical blowing, thickness 5mm；
Face layer with decorative pattern is band dermatoglyph PVC synthetic leather, thickness 0.5mm
Preparation flow is as follows as shown in Figure 1, 2：
Thermoplastic resin is added in screw extruder material bin by the first step, carries out melting mixing, defeated by extruder 4 It is sent into impregnation mold 5；
Second step, continuous glass fibre are drawn by creel unit 6, through opening up silk device 7, into impregnation mold 5 and mixture Melt is impregnated, and is wound by wrap-up 10 after single nip calender 8, auxiliary traction machine 9 and is increased to get to continuous glass fibre Strong polypropylene one-way tape；
Third walks, and the continuous fiber reinforced polypropylene one-way tape that will be obtained is unreeled through unwinding device 11, lays 90 ° of sheet materials Enter double crawler belt compounding machines 12 together afterwards, heating temperature is 210 DEG C, and rolling pressure 30MPa obtains continuous lod thermoplastic Property composite sheet 2；
4th step unreels two layers of continuous fiber reinforced thermoplastic composite sheet 2 from upper and lower directions through unwinding device 11, will Foamed core layer 3 after uniform coated thermoplastic adhesive, enters together into drum-type coating unit 15 is crossed with composite sheet 2 Double crawler belt compounding machines 12 enter from centre and enter double crawler belt compounding machines 12 together, and by heating, temperature is 90 DEG C, cooling pressurization Sizing, obtains battenboard；
5th step unreels the PVC with dermatoglyph by unwinding device 11, and battenboard is into drum-type coating unit 15 is crossed, It after even coated thermoplastic adhesive, crushes and is bonded into round roller 16 together with face layer, enter double crawler belt compounding machines 12 together, Temperature is 80 DEG C, pressure 2MPa, solidification, cuts to obtain the foaming sandwich of the continuous fiber reinforced thermoplastic with different decorative patterns Plate.
The composite plate, surface density are 2045g/ ㎡
Embodiment two：
This car top plate continuous fiber reinforced thermoplastic foamed board, including it is followed successively by the face with decorative pattern from top to bottom Layer 1, the continuous fiber reinforced thermoplastic composite material sheet material 2 that overlays on 3 upper and lower surface of foamed core layer, center foamed core layer 3.
Wherein, continuous fiber is e-glass fiber roving, 1200tex；
Thermoplastic resin is polypropylene PP；
Continuous fiber reinforced thermoplastic composite sheet, thickness 0.6mm；
Foamed core layer is crosslinked foaming polyethylene foam plate, thickness 5mm；
Face layer with different decorative patterns is band wood grain PP synthetic leather, thickness 0.7mm
Preparation flow is as follows as shown in Figure 1, 2：
Thermoplastic resin is added in screw extruder material bin by the first step, carries out melting mixing, defeated by extruder 4 It is sent into impregnation mold 5；
Second step, continuous glass fibre are drawn by creel unit 6, through opening up silk device 7, into impregnation mold 5 and mixture Melt is impregnated, and is wound by wrap-up 10 after single nip calender 8, auxiliary traction machine 9 and is increased to get to continuous glass fibre Strong polypropylene one-way tape；
Third walks, and the continuous fiber reinforced polypropylene one-way tape that will be obtained is unreeled through unwinding device 11, lays 90 ° of sheet materials Enter double crawler belt compounding machines 12 together afterwards, heating temperature is 210 DEG C, and rolling pressure 40MPa obtains continuous lod thermoplastic Property composite sheet 2；
Two layers of continuous fiber reinforced thermoplastic composite sheet 2 is entered double crawler belt compounding machines 12 by the 4th step from upper and lower directions, By foamed core layer 3 into crossing drum-type coating unit 15, after uniform coated thermoplastic adhesive, with composite sheet 2 together into Enter double crawler belt compounding machines 12, by heating, temperature is 90 DEG C, and cooling pressurization sizing, rolling pressure 40MPa obtains battenboard；
5th step will be unreeled with wood grain PP synthetic leather by unwinding device 11, battenboard into cross drum-type coating unit 15, It after uniform coated thermoplastic adhesive, crushes and is bonded into round roller 16 together with face layer, enter double crawler belt compounding machines together 12, temperature is 90 DEG C, pressure 4MPa, solidification, cuts to obtain the foaming folder of the continuous fiber reinforced thermoplastic with different decorative patterns Core plate.
The composite plate, surface density are 2300/ ㎡.
Embodiment three：
This car top plate continuous fiber reinforced thermoplastic foamed board, including it is followed successively by the face with decorative pattern from top to bottom Layer 1, the continuous fiber reinforced thermoplastic composite material sheet material 2 that overlays on 3 upper and lower surface of foamed core layer, center foamed core layer 3.
Wherein, continuous fiber is e-glass fiber roving, 1200tex；
Thermoplastic resin is polypropylene PP；
Continuous fiber reinforced thermoplastic composite sheet, thickness 1mm；
Foamed core layer is chemical blowing PET cystosepiments, thickness 3mm；
Face layer with different decorative patterns is the PET synthetic leather with water ripples, thickness 0.5mm
Preparation flow is as follows as shown in Figure 1, 2：
Thermoplastic resin is added in screw extruder material bin by the first step, carries out melting mixing, defeated by extruder 4 It is sent into impregnation mold 5；
Second step, continuous glass fibre are drawn by creel unit 6, through opening up silk device 7, into impregnation mold 5 and mixture Melt is impregnated, and is wound by wrap-up 10 after single nip calender 8, auxiliary traction machine 9 and is increased to get to continuous glass fibre Strong polypropylene one-way tape；
Third walks, and the continuous fiber reinforced polypropylene one-way tape that will be obtained is unreeled through unwinding device 11, lays 90 ° of sheet materials Enter double crawler belt compounding machines 12 together afterwards, heating temperature is 210 DEG C, and rolling pressure 50MPa obtains continuous lod thermoplastic Property composite sheet 2；
Two layers of continuous fiber reinforced thermoplastic composite sheet is entered double crawler belt compounding machines 12 by the 4th step from upper and lower directions, Foamed core layer 3 is entered to double crawler belt compounding machines 12 together with composite sheet 2, by heating, temperature is 210 DEG C, and cooling pressurization is fixed Type, rolling pressure 50MPa, obtains battenboard；
5th step unreels the PET synthetic leather with water ripples by unwinding device 11, and battenboard is filled into drum-type coating is crossed It sets 15, after uniform coated thermoplastic adhesive, crushes and be bonded into round roller 16 together with face layer, enter pair crawler belts together and answer Conjunction machine 12, temperature are 100 DEG C, pressure 5MPa, solidification, cut to obtain the hair of the continuous fiber reinforced thermoplastic with different decorative patterns Steep battenboard.
The composite plate, surface density are 2215/ ㎡.
The characteristics of embodiment of the present invention is：
One, the present invention provides a kind of lightweight, continuous fiber reinforced thermoplastic high-strength, thermal stability is good for car top plate Foaming plate effectively solves many deficiencies such as poor current car top plate temperature tolerance, weight, environmental protection, and can be continuously produced, efficiency It is high；
Two, car top plate continuous fiber reinforced thermoplastic foamed board of the invention, continuous fiber reinforced thermoplastic are compound Sheet material is all made of thermoplastic resin of the same race with sandwich material, by bond vitrified, forms one, adhesion strength is high, wherein interbed The microcellular structure of expanded material, while the functions such as damping, noise reduction, insulation being provided；
Three, the car top plate continuous fiber reinforced thermoplastic foamed board of the present invention, the face layer with decorative pattern and continuous fibre It is adhesively fixed with thermoplastic resin adhesives between dimension enhancing thermoplastic composite sheet material, non-toxic and tasteless, the feature of environmental protection is good.
Although the present invention is shown and described by reference to preferred embodiment, this profession ordinary skill Personnel can make various variation in form and details it is to be appreciated that in the range of claims.

Claims (7)

1. a kind of car top plate continuous fiber reinforced thermoplastic foamed board, it is characterised in that：It include the face layer with decorative pattern (1), foamed core layer placed in the middle (3), overlay on the continuous fiber reinforced thermoplastic composite sheet (2) of foamed core layer (3) upper and lower surface, The thickness of the face layer (1) is 0.2mm~1.5mm, and the thickness of the continuous fiber reinforced thermoplastic composite sheet (2) is The thickness of 0.3mm~2.0mm, the foamed core layer (3) are 1mm~10mm.
2. car top plate continuous fiber reinforced thermoplastic foamed board according to claim 1, it is characterised in that：The face It is bonded using thermoplastic resin adhesives between layer (1) and continuous fiber reinforced thermoplastic composite sheet (2), continuous lod It is fixed using melting between thermoplastic composite sheet material (2), foamed core layer (3) or thermoplastic resin adhesives is adhesively fixed.
3. car top plate continuous fiber reinforced thermoplastic foamed board according to claim 1, it is characterised in that：The company Continuous fiber reinforced thermolplastic composite sheet (2) impregnates compound unidirectional sheet material with thermoplastic resin for continuous fiber and intersects with 0/90 Laying is compounded to form, and the continuous fiber in the continuous fiber reinforced thermoplastic composite material sheet material (2) is the nothing of glass fibre Rove is twisted, the thermoplastic resin in the continuous fiber reinforced thermoplastic composite material sheet material (2) is polypropylene.
4. car top plate continuous fiber reinforced thermoplastic foamed board according to claim 1, it is characterised in that：The face Layer (1) decorative pattern is any one or arbitrary combination in leather patterns, wood grain, asperities, water ripples, and described face layer (1) material is Any one in polypropylene, polyethylene terephthalate, polyvinyl chloride, thermoplastic polyolefin-like or arbitrary combination.
5. car top plate continuous fiber reinforced thermoplastic foamed board according to claim 1, it is characterised in that：The hair Bubble sandwich layer (3) is any one or arbitrary combination in physical blowing, chemical blowing, crosslinked foaming, and material is that thermoplasticity is moulded Material is any one in polypropylene, polyethylene, polyethylene terephthalate or arbitrary combination.
6. the car top plate preparation method of continuous fiber reinforced thermoplastic foamed board according to claim 1, feature It is, includes the following steps：
(1), it by upper layer and lower layer continuous fiber reinforced thermoplastic composite sheet (2), is individually positioned in unwinding device (11) and unreels, so Foamed core layer (3) is placed among two layers afterwards, according to sandwich layer material, selection uniformly coats thermoplastic with roller in sandwich layer top and bottom Property Resin adhesive or be not coated by, entering double crawler belt compounding machines (12) together obtains battenboard, and the battenboard is multiple by double crawler belts The heating of conjunction machine, pressurization cooling and shaping, carry-over pinch rolls (13), cutting machine (14) cut to obtain the foaming battenboard of predetermined size；
(2), the face layer (1) with different decorative patterns is unreeled by unwinding device (11), foaming battenboard obtained in the previous step is used The uniform coated thermoplastic adhesive of roller (15), passes through roll-in (16) together, compound into double crawler belt compounding machines (12), cuts out It cuts, so far completes the car top plate continuous fiber reinforced thermoplastic foamed board of different decorative patterns.
7. car top plate continuous fiber reinforced thermoplastic foamed board according to claim 1, which is characterized in that the company The preparation method of continuous fiber reinforced thermolplastic composite sheet (3), includes the following steps：
S1 weighs thermoplastic resin, compatilizer, heat ageing agent and light aging agent, is added in high-speed mixer, fills by weight Divide and is uniformly mixed；
S2, mixture are squeezed out through screw extruder (4), are conveyed into impregnation mold (5)；
Continuous fiber is drawn by yarn releasing device (6), into exhibition yarn feeding device (7) is crossed, is melted into impregnation mold (5) and mixture by S3 Body is impregnated, and is wound by wrap-up (10) after single nip calender (8), dragger (9) and is increased to get to continuous glass fibre Heat-flash plastic composites.
CN201810245686.9A 2018-03-23 2018-03-23 Car top plate continuous fiber reinforced thermoplastic foamed board and preparation method thereof Pending CN108454204A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958682A (en) * 2020-07-29 2020-11-20 北京机科国创轻量化科学研究院有限公司 Carbon fiber fabric pre-forming and cutting device and processing method
WO2022041358A1 (en) * 2020-08-24 2022-03-03 上海骏赐投资管理中心(有限合伙) Novel composite panel and production method therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204196802U (en) * 2014-10-16 2015-03-11 宁波华翔特雷姆汽车饰件有限公司 Car trim
CN106183266A (en) * 2016-07-04 2016-12-07 江苏科悦新材料有限公司 A kind of foaming sandwich material and manufacture method thereof and application

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204196802U (en) * 2014-10-16 2015-03-11 宁波华翔特雷姆汽车饰件有限公司 Car trim
CN106183266A (en) * 2016-07-04 2016-12-07 江苏科悦新材料有限公司 A kind of foaming sandwich material and manufacture method thereof and application

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958682A (en) * 2020-07-29 2020-11-20 北京机科国创轻量化科学研究院有限公司 Carbon fiber fabric pre-forming and cutting device and processing method
WO2022041358A1 (en) * 2020-08-24 2022-03-03 上海骏赐投资管理中心(有限合伙) Novel composite panel and production method therefor

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