CN108407421A - A kind of lightweight high-impact high-modulus multilayer composite board and preparation method thereof being easy to thermoforming - Google Patents
A kind of lightweight high-impact high-modulus multilayer composite board and preparation method thereof being easy to thermoforming Download PDFInfo
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- CN108407421A CN108407421A CN201810220385.0A CN201810220385A CN108407421A CN 108407421 A CN108407421 A CN 108407421A CN 201810220385 A CN201810220385 A CN 201810220385A CN 108407421 A CN108407421 A CN 108407421A
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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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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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
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Abstract
The present invention relates to a kind of lightweight high-impact high modulus fibres being easy to thermoforming to enhance multilayer composite board, including composite board ontology；The composite board ontology is combined by the roller lifting hanging arm guiding mechanism for intaglio press of two or more layers structure；The fiber reinforced thermolplastic composite material of the ultra-high molecular weight polyethylene layer of lightweight anti-impact and high-modulus is combined by the present invention, and can prepare large-sized plate product by hot pressing mode；The composite board has had both the characteristic of the high-strength impact energy of ultra-high molecular weight polyethylene and the lightweight high-modulus of rigid fiber enhancing composite material；Simultaneously because the rigid fiber used has good processability for chopped or long fibre under conditions of heating pressurization.
Description
Technical field
The invention belongs to technical field of polymer materials more particularly to a kind of lightweight high-impact high-modulus being easy to thermoforming
Fiber-reinforced multi-layer composite board and preparation method thereof.
Background technology
Fiber reinforced thermolplastic composite board is initially mainly used for aerospace field and the industrial goods of special requirement, close several
Year starts in the civil fields application such as automobile, Leisure Sport, building.Such as the automotive upholsteries such as sunshading board, rear luggage partition board, fly
Machine interior trim, the external body outer skin of train, building decoration, furniture surface clad, particular packing cabinet shell etc..Its feature
For intensity height, good toughness, environmentally friendly recoverable, there is wide application prospect in industry and civil field.
The performance of fiber reinforced thermolplastic composite material plank is also fine with enhancing not only with resin, the performance of reinforcing fiber
The length of dimension, enhancement method, the moulding process of material and former are related.
Fiber reinforced thermolplastic composite board retains size according to the maximum fiber in material, can be divided into：(1) non-company
Continuous fiber reinforced thermolplastic composite material, including chopped strand reinforced plastics (SFT maximum fibers retain size 0.2-0.6mm)；
(2) long fiber reinforced thermoplastic composites (LFT maximum fibers retain size 5-20mm)；(3) continuous fiber reinforced thermoplastic
(CFT, maximum fiber retain size to composite material>20mm).
From general significance, for homogenous resins raw material, the length of fiber is longer, the mechanical property of composite board
Can be more excellent, but the molding difficulty of post-production is also bigger.The conventional molding process of fiber reinforced thermolplastic composite material includes
Injection molding, molding and vacuum forming.The manufacture of SFT materials non-structural part or half structure component may be implemented in these techniques（Such as automobile
Engineering plastics component）, and CFT is a kind of lightweight new material with higher performance, but its moulding process is confined to be hot pressed into
Type and Wrapping formed, is generally used in tubulose, rodlike and planar applications, is difficult to be able in the component with complex geometry shape
Using.
Under the conditions of same fibre length, with reinforcing fiber（By taking glass or carbon fiber as an example）Content enhancing, thermoplastic
The intensity and bending modulus of property composite board are consequently increased, but the toughness of plank may be declined, material it is close
Degree can increase.And with the increase of glass and content of carbon fiber, in hot-forming or plastics sucking moulding, the difficult processing of plank
Degree improves, and curved surface forming precision can decline to a great extent.This directly results in the component of many complex geometric shapes or three-dimensional stretches
Component is difficult to be prepared with the fiber reinforced thermolplastic composite material plank of high microsteping content.
Therefore, existing fibre reinforced composites generally can only all lay particular emphasis on the performance in terms of emphasizing some, such as CFT plates
Material utilizes continuous lod, high intensity high-impact may be implemented, but its processability is very poor.And chopped strand enhances SFT plates
Material has good processability, but its mechanical property has notable deficiency.And LFT planks have suitable processability, but its
Density wants high compared to the resin system of no fiber filling, and the performances such as stretching anti-impact also have no small gap compared to CFT.
In view of the above problems, therefore, it is necessary to it makes improvements.
Invention content
The present invention is to provide a kind of lightweight highly resistance being easy to thermoforming in order to overcome above-mentioned defect in the prior art and leap high
Modulus fibre enhances thermoplastic resin composite board and preparation method thereof.
In order to reach object above, the technical solution adopted in the present invention is：A kind of lightweight high-impact being easy to thermoforming
High modulus fibre enhances multilayer composite board, including composite board ontology；The composite board ontology is by two or more layers structure
Roller lifting hanging arm guiding mechanism for intaglio press is combined.
As a preferred embodiment of the present invention, the composite board ontology includes outer layer and internal layer；Outer layer and internal layer are logical
It crosses heating pressurization and is combined plank.
As a preferred embodiment of the present invention, the outer layer is fiber reinforced thermolplastic composite material layer, and internal layer is super
High molecular weight polyethylene fiber reinforced resin layer.
As a preferred embodiment of the present invention, it is additionally provided with middle layer, middle layer is described between outer layer and internal layer
Middle layer is thermoplasticity gluing film layer.
As a preferred embodiment of the present invention, the thermoplasticity gluing film layer be polypropylene-base, EVA bases, vinyl,
Or thermoplastic polyurethane base material, thickness are 0.1mm~1mm.
As a preferred embodiment of the present invention, the internal layer includes two layers of superhigh molecular weight polyethylene fibers reinforced resin
Layer；Outer layer includes 2 two layers of fiber reinforced thermolplastic composite material layers, 2 two layers of fiber reinforced thermolplastic composite material layers point
It is not laid in the upper and lower side of two layers of superhigh molecular weight polyethylene fibers reinforced resin layer.
As a preferred embodiment of the present invention, the middle layer includes two layers of thermoplastic adhesive foil layer, described two layers
Thermoplasticity gluing film layer is located at superhigh molecular weight polyethylene fibers reinforced resin layer and fiber reinforced thermolplastic composite wood
Between the bed of material.
A kind of preparation method for the lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming, feature
It is：Include the following steps：
Step 1 cuts the length of glass, carbon fiber or basalt fiber material as required, and evenly dispersed, then
It is imported by conveying roller between the thermoplastic resin membrane of two layers of preheating, then heating pressurization is so that thermoplastic resin melting flows into and increases
By force between glass or carbon fiber, it is sufficiently impregnated and pressurize, then decompression cools down, forming rigid fiber enhances thermoplastic composite
Layer.
Step 2, superhigh molecular weight polyethylene fibers are evenly dispersed in advance, import two layers of thermoplastic tree by carry-over pinch rolls
Between membrane of lipoprotein, heating pressurization promotes thermoplastic film melting and thorough impregnation superhigh molecular weight polyethylene fibers, then in a pair
The lower cooling and solidifying molding of chill roll effect, forms superhigh molecular weight polyethylene fibers reinforced resin layer；
Step 3, by superelevation obtained point in rigid fiber enhancing thermoplastic composite layer obtained in step 1 and step 2
Sub- weight polyethylene fiber reinforced resin layer according to required material stiffness, erosion-resisting characteristics and surface density require carry out two layers or
Then multiple-layer stacked heats pressurization so that melting and solidification between each layer on laminating machine or continuous compound press；
Prepared composite board is slowly depressured cooling by step 4, and the lightweight of smooth and internal pore-free defect is finally made
Anti-impact high-strength composite material plank.
The present invention is further arranged to, and the rigid fiber described in above-mentioned preparation process one enhances thermoplastic composite material
In the bed of material, the mass content of fiber is between 20%-70%；The thickness of single layer lamella is between 0.2-0.5mm.
The present invention is further arranged to, the superhigh molecular weight polyethylene fibers enhancing described in above-mentioned preparation process two
In resin layer, the mass content of superhigh molecular weight polyethylene fibers is between 30%-80%；The thickness of single layer lamella is 0.1-
Between 0.3mm.
The present invention is further arranged to, and in above-mentioned preparation process one and step 2, selected is thermoplastic resin-based
Material can be same material, can also be not same material；Either same material but have different melt flowabilities and
Mechanical property.
The present invention is further arranged to, and in above-mentioned preparation process three, rigid fiber enhances thermoplastic composite layer
It it is A layers, superhigh molecular weight polyethylene fibers reinforced resin layer is B layers, and AB type layings may be used, can also be according to till soleplate
The difference of material performance requirement, using other multilayer ply sequences such as ABA, ABABA, AABB, AABBAA；When using AABB,
When the multilayers laying such as AABBAA, two or more layers rigid fiber enhance thermoplastic composite layer between or two or more layers
0 degree may be used between superhigh molecular weight polyethylene fibers reinforced resin layer and an angle of 90 degrees both direction is alternately laid with, so that
It is more uniform on board product each side mechanical property.
The present invention is further arranged to, in above-mentioned preparation process three, if the thermoplastic resin selected by two layers of AB
Aliphatic radical material is dissimilar material, between AB can selectivity insertion thermoplasticity gluing film layer, to increase the knot between two layers of AB
It closes intensity and reduces inter-laminar stress, avoid or reduce the warpage of composite board；Or keeping two layers of feelings not melted of AB
Make the adhesive foil melted by heating in thermoplasticity gluing film layer under condition and layers cementing is provided；The adhesive foil can be poly-
Acrylic, EVA bases, vinyl or thermoplastic polyurethane base material, thickness range 0.1mm-1mm.
The beneficial effects of the invention are as follows：
The present invention mutually ties the ultra-high molecular weight polyethylene layer of lightweight anti-impact with the fiber reinforced thermolplastic composite material of high-modulus
It closes, and large-sized plate product can be prepared by hot pressing mode；The composite board has had both ultra-high molecular weight polyethylene
High-strength impact energy and rigid fiber enhancing composite material lightweight high-modulus characteristic；Simultaneously because the rigidity used
Fiber is to be chopped or long fibre, has good processability, and high molecular weight polyethylene fiber heating the under conditions of of pressurizeing
When heating pressurization with more excellent mouldability, therefore the composite material can utilize molding or plastic uptake according to product demand
Technique prepares the product with D surface measurement.And finally assign product lightweight, anti-impact, high-modulus, complex geometric shapes
The features such as.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two；
Reference numeral in figure：Composite board ontology 1, outer layer 2, fiber reinforced thermolplastic composite material layer 2-1, middle layer 3, thermoplastic
Property adhesive foil layer 3-1, internal layer 4, superhigh molecular weight polyethylene fibers reinforced resin layer 4-1.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the embodiment of the present invention.
Embodiment one：As shown in Figure 1, a kind of lightweight high-impact high modulus fibre enhancing multilayer composite sheet being easy to thermoforming
Material, including composite board ontology 1；The composite board ontology 1 is combined by the roller lifting hanging arm guiding mechanism for intaglio press of two or more layers structure；It is compound
Board body 1 includes outer layer 2 and internal layer 4；Outer layer 2 and internal layer 4 are combined plank by heating pressurization, and the outer layer 2 is fibre
Dimension enhancing thermoplastic composite layer, internal layer 4 are superhigh molecular weight polyethylene fibers reinforced resin layer；Internal layer 4 includes two layers surpassing
High molecular weight polyethylene fiber reinforced resin layer 4-1；Outer layer 2 includes 2 two layers of fiber reinforced thermolplastic composite material layer 2-1, and 2
A two layers of fiber reinforced thermolplastic composite material layer 2-1 is laid in two layers of superhigh molecular weight polyethylene fibers reinforced resin layer respectively
The upper and lower side of 4-1.
A kind of preparation method for the lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming, feature
It is：Include the following steps：
Step 1 cuts the length of glass, carbon fiber or basalt fiber material as required, and evenly dispersed, then
It is imported by conveying roller between the thermoplastic resin membrane of two layers of preheating, then heating pressurization is so that thermoplastic resin melting flows into and increases
By force between glass or carbon fiber, it is sufficiently impregnated and pressurize, then decompression cools down, forming rigid fiber enhances thermoplastic composite layer
2-1。
Step 2, superhigh molecular weight polyethylene fibers are evenly dispersed in advance, import two layers of thermoplastic tree by carry-over pinch rolls
Between membrane of lipoprotein, heating pressurization promotes thermoplastic film melting and thorough impregnation superhigh molecular weight polyethylene fibers, then in a pair
The lower cooling and solidifying molding of chill roll effect, forms superhigh molecular weight polyethylene fibers reinforced resin layer 4-1；
Step 3, will be obtained super in rigid fiber enhancing thermoplastic composite layer 2-1 obtained in step 1 and step 2
High molecular weight polyethylene fiber reinforced resin layer 4-1 requires to carry out according to required material stiffness, erosion-resisting characteristics and surface density
Two or more layers are superimposed, and then heat pressurization on laminating machine or continuous compound press so that melting and solidification between each layer；
Prepared composite board is slowly depressured cooling by step 4, and the lightweight of smooth and internal pore-free defect is finally made
Anti-impact high-strength composite material plank.
Wherein, in the rigid fiber enhancing thermoplastic composite layer 2-1 described in above-mentioned preparation process one, fiber
Mass content is between 20%-70%；The thickness of single layer lamella is between 0.2-0.5mm.
Wherein, in the superhigh molecular weight polyethylene fibers reinforced resin layer 4-1 described in above-mentioned preparation process two, superelevation
The mass content of molecular weight polyethylene fiber is between 30%-80%；The thickness of single layer lamella is between 0.1-0.3mm.
Wherein, in above-mentioned preparation process one and step 2, selected thermoplastic resin base material can be same material,
It can also be not same material；Either same material (such as polyolefin）But have different melt flowability and mechanical property
Energy.
Wherein, in above-mentioned preparation process three, it is A layers that rigid fiber, which enhances thermoplastic composite layer 2-1, supra polymer
Weight polyethylene fiber reinforced resin layer 4-1 is B layers, and AB type layings may be used, can also be according to final plank performance requirement
Difference, using other multilayer ply sequences such as ABA, ABABA, AABB, AABBAA；When using multi-compartment beds such as AABB, AABBAA
When layer, between two or more layers rigid fiber enhancing thermoplastic composite layer 2-1 or two or more layers super high molecular weight is poly-
0 degree may be used between vinyl fiber reinforced resin layer 4-1 and an angle of 90 degrees both direction is alternately laid with, so that board product is each
It is more uniform in the mechanical property of direction.
Fiber reinforced thermolplastic composite material layer 2-1 is fiber glass reinforced polypropylene sheet material, superhigh molecular weight polyethylene fibers
Reinforced resin layer is superhigh molecular weight polyethylene fibers reinforced polypropylene lamella, for this programme, as shown in Figure 1, this
Invention, which is a kind of lightweight high-impact high modulus fibre for being easy to thermoforming of 6 layers of structure, enhances thermoplastic resin composite board,
It is made of four layers of fiber glass reinforced polypropylene sheet material, two layers of superhigh molecular weight polyethylene fibers reinforced polypropylene lamella.Wherein two layers
Superhigh molecular weight polyethylene fibers reinforced polypropylene lamella is alternately arranged at 0 degree and an angle of 90 degrees；Fiber glass reinforced polypropylene sheet material two
Layer is one group, is respectively placed in the upper and lower surface of superhigh molecular weight polyethylene fibers reinforced polypropylene lamella.In upper and lower surface layer
Fiber glass reinforced polypropylene lamella be also alternately arranged at 0 degree and an angle of 90 degrees.
Its production method is：
1）It is prepared by fiber glass reinforced polypropylene lamella：Surface is selected to coat the roving glass of the sizing system compatible with PP,
Glass section is dispersed evenly to two layers of 0.1mm thickness poly- third by the glass section that 10mm length is then cut on special cutting apparatus
Between alkene film, it is 0.23mm, fiber reinforcement of the glass mass content 30% that then thickness, which is prepared, in hot-rolling pressure at 200 DEG C
Polypropylene lamella.
2）The preparation of superhigh molecular weight polyethylene fibers reinforced polypropylene lamella：Superhigh molecular weight polyethylene fibers are passed through
Dispersion roller is evenly dispersed, and applies gravitation and entered by guide roll between the polypropylene films of two layers of 90 DEG C of preheatings, then 160
Pressurize 1 minute under DEG C temperature condition so that polypropylene fully heats and impregnates superhigh molecular weight polyethylene fibers.Cooling winding system
It is standby to obtain the unidirectional band of superhigh molecular weight polyethylene fibers reinforced polypropylene of 0.2mm thickness.
3）By fiberglass reinforced lamella（A layers）Enhance lamella with superhigh molecular weight polyethylene fibers（B layers）According to AABBAABB
Arrangement mode be overlapped.Wherein two layers A layers and two layers B layers be alternately arranged respectively according to 0 ° and 90 ° of angles.
4）The material for completing layer is put into hot press, at a temperature of 170 DEG C, applies the pressure of 2MPa, pressurize 1 minute,
Then natural cooling obtains the composite material laminated board that final average thickness is 1.25mm.
Embodiment two：
As shown in Fig. 2, a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming, further includes in having
Interbed 3, for middle layer 3 between outer layer 2 and internal layer 4, the middle layer 3 is thermoplasticity gluing film layer；The thermoplastic cement
Viscous film layer is polypropylene-base, EVA bases, vinyl or thermoplastic polyurethane base material, and thickness is 0.1mm~1mm；It is intermediate
Layer 3 is located at super high molecular weight including two layers of thermoplastic adhesive foil layer 3-1, the two layers of thermoplastic adhesive foil layer 3-1
Between polyethylene fibre reinforced resin layer 4-1 and fiber reinforced thermolplastic composite material layer 2-1；
A kind of preparation method for the lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming, feature exist
In：Include the following steps：
Step 1 cuts the length of glass, carbon fiber or basalt fiber material as required, and evenly dispersed, then
It is imported by conveying roller between the thermoplastic resin membrane of two layers of preheating, then heating pressurization is so that thermoplastic resin melting flows into and increases
By force between glass or carbon fiber, it is sufficiently impregnated and pressurize, then decompression cools down, forming rigid fiber enhances thermoplastic composite layer
2-1。
Step 2, superhigh molecular weight polyethylene fibers are evenly dispersed in advance, import two layers of thermoplastic tree by carry-over pinch rolls
Between membrane of lipoprotein, heating pressurization promotes thermoplastic film melting and thorough impregnation superhigh molecular weight polyethylene fibers, then in a pair
The lower cooling and solidifying molding of chill roll effect, forms superhigh molecular weight polyethylene fibers reinforced resin layer 4-1；
Step 3, will be obtained super in rigid fiber enhancing thermoplastic composite layer 2-1 obtained in step 1 and step 2
High molecular weight polyethylene fiber reinforced resin layer 4-1 requires to carry out according to required material stiffness, erosion-resisting characteristics and surface density
Two or more layers are superimposed, and then heat pressurization on laminating machine or continuous compound press so that melting and solidification between each layer；
Prepared composite board is slowly depressured cooling by step 4, and the lightweight of smooth and internal pore-free defect is finally made
Anti-impact high-strength composite material plank.
Wherein, in the rigid fiber enhancing thermoplastic composite layer 2-1 described in above-mentioned preparation process one, fiber
Mass content is between 20%-70%；The thickness of single layer lamella is between 0.2-0.5mm.
Wherein, in the superhigh molecular weight polyethylene fibers reinforced resin layer 4-1 described in above-mentioned preparation process two, superelevation
The mass content of molecular weight polyethylene fiber is between 30%-80%；The thickness of single layer lamella is between 0.1-0.3mm.
Wherein, in above-mentioned preparation process one and step 2, selected thermoplastic resin base material can be same material,
It can also be not same material；Either same material (such as polyolefin）But have different melt flowability and mechanical property
Energy.
Wherein, in above-mentioned preparation process three, it is A layers that rigid fiber, which enhances thermoplastic composite layer 2-1, supra polymer
Weight polyethylene fiber reinforced resin layer 4-1 is B layers, and AB type layings may be used, can also be according to final plank performance requirement
Difference, using other multilayer ply sequences such as ABA, ABABA, AABB, AABBAA；When using multi-compartment beds such as AABB, AABBAA
When layer, between two or more layers rigid fiber enhancing thermoplastic composite layer 2-1 or two or more layers super high molecular weight is poly-
0 degree may be used between vinyl fiber reinforced resin layer 4-1 and an angle of 90 degrees both direction is alternately laid with, so that board product is each
It is more uniform in the mechanical property of direction.
Wherein, in above-mentioned preparation process three, if the thermoplastic resin base material selected by two layers of AB is dissimilar material,
Between AB can selectivity insertion thermoplasticity gluing film layer 3-1, to increase the bond strength between two layers of AB and reduce layer
Between stress, avoid or reduce the warpage of composite board；Or in the case where keeping AB not melt for two layers so that thermoplasticity
Adhesive foil melted by heating in adhesive foil layer 3-1 and layers cementing is provided；The adhesive foil can be polypropylene-base, EVA
Base, vinyl or thermoplastic polyurethane base material, thickness range 0.1mm-1mm.
Fiber reinforced thermolplastic composite material layer 2-1 is glass fiber-reinforced polycarbonate sheet material, and ultra-high molecular weight polyethylene is fine
Dimension reinforced resin layer is superhigh molecular weight polyethylene fibers reinforced polypropylene lamella, and thermoplasticity gluing film layer 3-1 is thermoplasticity
Polyurethane adhesive adhesion coating；For this programme, as shown in Fig. 2, the present invention is a kind of lightweight for being easy to thermoforming of 8 layers of structure
High-impact high modulus fibre enhances thermoplastic resin composite board, by four layers of glass fiber-reinforced polycarbonate sheet material, two layers of superelevation
Molecular weight polyethylene fiber reinforced polypropylene lamella and two layers of thermoplastic polyurethane adhesive adhesion coating composition；Wherein two layers of supra polymer
Weight polyethylene fiber reinforced polypropylene lamella is alternately arranged at 0 degree and an angle of 90 degrees.Two layers of glass fiber-reinforced polycarbonate sheet material is one
Group is respectively placed in the upper and lower surface of superhigh molecular weight polyethylene fibers reinforced polypropylene lamella.Two layers of thermoplastic polyurethane adhesive
Adhesion coating is placed between ultra-high molecular weight polyethylene layer and polycarbonate sheets, the glass fiber-reinforced polycarbonate piece in upper and lower surface layer
Layer is also alternately arranged at 0 degree and an angle of 90 degrees.
Its production method is：
1）It is prepared by glass fiber-reinforced polycarbonate lamella：Surface is selected to coat the epoxy group sizing system compatible with makrolon
Roving glass, then cuts into the glass section of 10mm length on special cutting apparatus, and glass section is dispersed evenly to two
Between layer 0.1mm thickness polycarbonate films, it is 0.25mm that then thickness, which is prepared, in hot pressing at 230 DEG C, and glass mass content exists
30% fiber reinforced polycarbonate lamella；
2）The preparation of superhigh molecular weight polyethylene fibers reinforced polypropylene lamella：Superhigh molecular weight polyethylene fibers are passed through into dispersion
Roller is evenly dispersed, and applies gravitation and entered by guide roll between the polypropylene film of two layers of 90 DEG C of preheatings, then in 160 DEG C of temperature
Pressurize 1 minute under the conditions of degree so that polypropylene fully heats and impregnates superhigh molecular weight polyethylene fibers.Cooling winding is prepared into
To the unidirectional band of superhigh molecular weight polyethylene fibers reinforced polypropylene of 0.2mm thickness；
3）The thermoplastic polyurethane film layer for selecting 0.15mm thickness, as intermediate glue layer；
4）By fiberglass reinforced lamella（A layers）Enhance lamella with superhigh molecular weight polyethylene fibers（B layers）And thermoplasticity polycarbon resin
Adhesive layer（C layers）It is overlapped according to the arrangement mode of AACBBCAA.Wherein four layers A layers and two layers B layers respectively according to 0 ° and 90 °
Angle is alternately arranged；
5）The material for completing layer is put into hot press, at a temperature of 130 DEG C, applies the pressure of 2MPa, pressurize 5 minutes, then
Natural cooling obtains the composite material laminated board that final average thickness is 1.5mm；
Other contents of the present embodiment can refer to embodiment one.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention；Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Although reference numeral in figure is used more herein：Composite board ontology 1, outer layer 2, fiber reinforced thermolplastic is multiple
Condensation material layer 2-1, middle layer 3, thermoplasticity gluing film layer 3-1, internal layer 4, superhigh molecular weight polyethylene fibers reinforced resin layer
The terms such as 4-1, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain the essence of the present invention；Any one of the additional limitations is construed as all to disagree with spirit of that invention.
Claims (10)
1. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming, it is characterised in that：Including multiple
Close board body（1）；The composite board ontology（1）It is combined by the roller lifting hanging arm guiding mechanism for intaglio press of two or more layers structure；It is described compound
Board body（1）Including outer layer（2）And internal layer（4）；Outer layer（2）And internal layer（4）It is combined plank by heating pressurization；It is described
Outer layer（2）For fiber reinforced thermolplastic composite material layer, internal layer（4）For superhigh molecular weight polyethylene fibers reinforced resin layer.
2. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite sheet being easy to thermoforming according to claim 1
Material, it is characterised in that：It is additionally provided with middle layer（3）, middle layer（3）Positioned at outer layer（2）And internal layer（4）Between, the middle layer
（3）For thermoplasticity gluing film layer.
3. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite sheet being easy to thermoforming according to claim 2
Material, it is characterised in that：The internal layer（4）Including two layers of superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）；Outer layer（2）
Including 2 two layers of fiber reinforced thermolplastic composite material layers（2-1）, 2 two layers of fiber reinforced thermolplastic composite material layers（2-1）
It is laid in two layers of superhigh molecular weight polyethylene fibers reinforced resin layer respectively（4-1）Upper and lower side.
4. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite sheet being easy to thermoforming according to claim 2
Material, it is characterised in that：The middle layer（3）Including two layers of thermoplastic adhesive foil layer（3-1）, the two layers of thermoplastic gluing is thin
Film layer（3-1）It is located at superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）With fiber reinforced thermolplastic composite material
Layer（2-1）Between.
5. a kind of lightweight high-impact high modulus fibre enhancing multilayer for being easy to thermoforming such as claim 1-4 is answered
The preparation method of plywood material, it is characterised in that：Include the following steps：
Step 1 cuts the length of glass, carbon fiber or basalt fiber material as required, and evenly dispersed, then
It is imported by conveying roller between the thermoplastic resin membrane of two layers of preheating, then heating pressurization is so that thermoplastic resin melting flows into and increases
By force between glass or carbon fiber, it is sufficiently impregnated and pressurize, then decompression cools down, forming rigid fiber enhances thermoplastic composite layer
（2-1）；
Step 2, superhigh molecular weight polyethylene fibers are evenly dispersed in advance, it is thin to import two layers of thermoplastic resin by carry-over pinch rolls
Between film, heating pressurization promotes thermoplastic film melting and thorough impregnation superhigh molecular weight polyethylene fibers, then cooling in a pair
The lower cooling and solidifying molding of roller effect, forms superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）；
Rigid fiber obtained in step 1 is enhanced thermoplastic composite layer by step 3（2-1）Made from step 2
Superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）According to the requirement of required material stiffness, erosion-resisting characteristics and surface density
Two or more layers superposition is carried out, then heats pressurization on laminating machine or continuous compound press so that melting and solidification between each layer；
Prepared composite board is slowly depressured cooling by step 4, and the lightweight of smooth and internal pore-free defect is finally made
Anti-impact high-strength composite material plank.
6. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming according to claim 5
Preparation method, it is characterised in that：Rigid fiber described in above-mentioned preparation process one enhances thermoplastic composite layer（2-
1）In, the mass content of fiber is between 20%-70%；The thickness of single layer lamella is between 0.2-0.5mm.
7. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming according to claim 5
Preparation method, it is characterised in that：Superhigh molecular weight polyethylene fibers reinforced resin layer described in above-mentioned preparation process two
（4-1）In, the mass content of superhigh molecular weight polyethylene fibers is between 30%-80%；The thickness of single layer lamella is 0.1-0.3mm
Between.
8. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming according to claim 5
Preparation method, it is characterised in that：In above-mentioned preparation process one and step 2, selected thermoplastic resin base material can be
Same material can also be not same material；Either same material（Such as polyolefin）But has different melt flowabilities
And mechanical property.
9. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite board being easy to thermoforming according to claim 5
Preparation method, it is characterised in that：In above-mentioned preparation process three, rigid fiber enhances thermoplastic composite layer（2-1）For A
Layer, superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）It is B layers, AB type layings may be used, it can also be according to final
The difference of plate property demand, using other multilayer ply sequences such as ABA, ABABA, AABB, AABBAA；When using AABB,
When the multilayers laying such as AABBAA, two or more layers rigid fiber enhances thermoplastic composite layer（2-1）Between or two layers or
Multilayer superhigh molecular weight polyethylene fibers reinforced resin layer（4-1）Between 0 degree and an angle of 90 degrees both direction may be used alternately spread
If so that more uniform on board product each side mechanical property.
10. a kind of lightweight high-impact high modulus fibre enhancing multilayer composite sheet being easy to thermoforming according to claim 5
The preparation method of material, it is characterised in that：In above-mentioned preparation process three, if the thermoplastic resin base material selected by two layers of AB
For dissimilar material, between AB can selectivity insertion thermoplasticity gluing film layer（3-1）, to increase the combination between two layers of AB
Intensity simultaneously reduces inter-laminar stress, avoids or reduces the warpage of composite board；Or the case where keeping AB not melt for two layers
Down so that thermoplasticity gluing film layer（3-1）In adhesive foil melted by heating and layers cementing is provided；The adhesive foil can be with
It is polypropylene-base, EVA bases, vinyl or thermoplastic polyurethane base material, thickness range 0.1mm-1mm.
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Application publication date: 20180817 |