CN106364061A - Steel plastic composite board - Google Patents
Steel plastic composite board Download PDFInfo
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- CN106364061A CN106364061A CN201610792485.1A CN201610792485A CN106364061A CN 106364061 A CN106364061 A CN 106364061A CN 201610792485 A CN201610792485 A CN 201610792485A CN 106364061 A CN106364061 A CN 106364061A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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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
- B32B27/065—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 foam
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- 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
- 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
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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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
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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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
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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
- B32B2307/304—Insulating
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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
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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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/58—Cuttability
- B32B2307/581—Resistant to cut
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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
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
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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
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention relates to a steel plastic composite board which comprises a foamed plastic core layer, a first steel coil and a second steel coil, wherein the first steel coil and the second steel coil are respectively positioned on the upper side and the lower side of the foamed plastic core layer; the foamed plastic core layer is prepared by mixing high-density polyethylene resin, low-density polyethylene resin and zinc stearate; a first low-density polyethylene resin layer is arranged between the upper surface of the foamed plastic core layer and the first steel coil, and a second low-density polyethylene resin layer is arranged between the lower surface of the foamed plastic core layer and the second steel coil; the steel plastic composite board further comprises a first aluminum-plated zinc layer, a second aluminum-plated zinc layer, a first passivation layer, a second passivation layer, a first epoxy primer layer, a first polyester finish paint layer, a third aluminum-plated zinc layer, a fourth aluminum-plated zinc layer, a third passivation layer, a fourth passivation layer, a second epoxy primer layer and a second polyester finish paint layer. The steel plastic composite board provided by the invention has higher bending resistance, punching resistance and transverse shear strength and also has super-strong ability to resist weather, corrosion, high and low temperature, and high-temperature difference environment.
Description
Technical field
The present invention relates to a kind of composite plate, more particularly, to a kind of composited steel and plastic decking.
Background technology
Composited steel and plastic decking is widely used in current national economy production activity.According to existing patent
Document: 1, cn20～2250350y；2、cn201015910y；3、cn201802028u；4th, cn1020～2229226a；5、
cn201155187y；6、cn102350826a；There it can be seen that at present, the domestic composite board for steel plate and plastic plate,
It is found in Patents documents or Network Document.But, in patent few in number or document, it is all typically that low-intensity is general
The composite plate of logical color steel (as document 1,3,4,6) or corrosion resistant plate (as document 2,6) and solid plastic plate, and thickness many
Below 5mm.It is mainly used in building decoration field.These composited steel and plastic deckings are usually three-decker, and top layer and bottom are steel plates, in
Interbed is plastics, is bondd by binding material between steel plate and plastics, and have is certain by carrying out to intermediate plastic layer
Strengthen.Domestic steel plastic compount sheet material is only limitted to general steel plate, general galvanized steel plain sheet (tensile strength is typically in below 200mpa)
Or corrosion resistant plate and plastic core layer is compound, generally individually in below 5mm, plastic core layer is not foamed real core to thickness mostly
Plate, for the product involved by patent documentation 6 although core be refer to the technology foaming, but also only rests on the rank of theory
Section, reality not yet completes the trial-production of product.And the method mentioned in this patent, there is no method really to realize in practice.This
The purposes of a little composite boards is limited to the field of building and ornament materials mostly it is impossible to apply as a kind of structural sheet material.This
The involved products thickness of invention reaches 15mm, is a kind of structural boards of high intensity.
For carrying out compound sheet material with corrosion resistant plate and plastic core layer, one be on there is composite board peel strength can not
Ensured well, two is that stainless price is expensive a lot of relative to for galvanized steel plain sheet, and three is that corrosion resistant plate can not be carried out
External coating well, therefore, it is difficult to meet the requirement to top layer different colours for the user.
For known external or other regional like products, find through research, the abscess of its foamed core material is fine and closely woven
Property and uniformity are all undesirable, and peel strength is low, also less stable.And the stripping for joint product, between different materials
From intensity it is critical that a technical parameter.
At present, domestic van car body wallboard and top board is most or plane steel plate purely or corrugated steel plate, first
Rigidity was not enough before this, was easily deformed.Secondly, its heat-proof quality is very poor, unless separately done insulation material.
Content of the invention
In view of the above-mentioned problems in the prior art, present invention is primarily targeted at providing a kind of composited steel and plastic decking,
It has higher bending strength, anti-impact shearing stress, rivet longitudinal direction pull strength and lateral shear intensity, is arranged by its surface
Passivation layer, zinc layers of aluminizing, epoxy primer layer and polyester side enamelled coating, there is superpower weatherability, corrosion resistance and anti-height
Temperature and the ability of high temperature difference environment.
In order to achieve the above object, the invention provides a kind of composited steel and plastic decking, the thickness of this composited steel and plastic decking is 2～
6mm, it includes foamed plastic sandwich layer and the first coil of strip being located at the upper and lower both sides of described foamed plastic sandwich layer and the second coil of strip, institute
State foamed plastic sandwich layer and system is mixed by high-density polyethylene resin (hdep), ldpe resin (ldep) and zinc stearate
Become, and mass ratio is 12:1:0.3～15:1:0.6 for hdep:ldep: zinc stearate, the foamed plastic sandwich layer after foaming is close
Spend for 0.52～0.57g/cm3, the frothing percentage of described foamed plastic sandwich layer is 40～45%, the thickness of the first coil of strip and the second coil of strip
Degree is 0.30～0.32mm, is provided with the first low-density and gathers between described foamed plastic sandwich layer upper surface and described first coil of strip
Ethylene resin layer, is provided with the second ldpe resin between described foamed plastic sandwich layer lower surface and described second coil of strip
Layer, described composited steel and plastic decking also include first aluminize zinc layers, second aluminize zinc layers, the first passivation layer, the second passivation layer, the first ring
Oxygen prime coat and the first polyester side enamelled coating and the 3rd aluminize zinc layers, the 4th aluminize zinc layers, the 3rd passivation layer, the 4th passivation
Layer, the second epoxy primer layer and the second polyester side enamelled coating, wherein:
Described first coil of strip inner surface setting has described first to aluminize zinc layers, and described first passivation layer is arranged on described first
Between zinc layers of aluminizing and described first ldpe resin layer, the first epoxy primer layer be arranged on described first passivation layer with
Between described first ldpe resin layer, described second aluminizes, and to be arranged on described first coil of strip blunt with described second for zinc layers
Change between layer, described first polyester side enamelled coating is arranged on described second passivation layer outer surface；
Described second coil of strip inner surface setting has the described 3rd to aluminize zinc layers, and described 3rd passivation layer is arranged on the described 3rd
Between zinc layers of aluminizing and described second ldpe resin layer, described second epoxy primer layer is arranged on described 3rd passivation
Between layer and described second ldpe resin layer, the described 4th zinc layers of aluminizing are arranged on described second coil of strip and described the
Between four passivation layers, described second polyester side enamelled coating is arranged on described 4th passivation layer outer surface；
The peel strength of described composited steel and plastic decking is not less than 9n/mm, and the three-point bending resistance of described composited steel and plastic decking is not less than
2670n, the vertical deformation of described composited steel and plastic decking is not less than 12kn.
Further, the thickness of described composited steel and plastic decking is 4mm.
Further, described hdep:ldep: zinc stearate is preferably 14:1:0.4.
Further, the thickness of described first coil of strip and the second coil of strip is 0.30mm.
Further, the described first aluminize zinc layers, the second aluminize zinc layers, the 3rd zinc layers and the 4th of aluminizing are aluminized the thickness of zinc layers
Degree is all not less than 25 μm.
Further, the thickness of described first epoxy primer layer and the second epoxy primer layer is 5～6 μm.
Further, the thickness of described first polyester side enamelled coating and the second polyester side enamelled coating is all not less than 20～22 μm.
Further, the tensile strength of described first coil of strip and the second coil of strip is not less than 550mpa, and elongation percentage is not less than
5%.
The present invention has advantages below and a beneficial effect: the composited steel and plastic decking that the present invention provides by foamed plastic sandwich layer and
The first coil of strip positioned at the upper and lower both sides of described foamed plastic sandwich layer and the second coil of strip are composited by High Temperature High Pressure, and foaming is moulded
Material sandwich layer is mixed by high-density polyethylene resin (hdep), ldpe resin (ldep) and zinc stearate, and matter
Amount ratio be hdep:ldep: zinc stearate be 12:1:0.3～15:1:0.6, the plastic core layer density after foaming be 0.52～
0.57g/cm3, the thickness of this composited steel and plastic decking is 2～6mm, the thickness of the first coil of strip and the second coil of strip is 0.30～
0.32mm, is provided with the first ldpe resin layer between described foamed plastic sandwich layer upper surface and described first coil of strip,
It is provided with the second ldpe resin layer between described foamed plastic sandwich layer lower surface and described second coil of strip, and foaming is moulded
Material sandwich layer, the first ldpe resin layer and the second ldpe resin layer form through coextru-lamination, than list
Clean steel plate or other sheet materials have higher bending strength, anti-impact shearing stress, rivet longitudinal direction pull strength and lateral shear intensity,
In addition, heat-insulating property is good；Meanwhile, this composited steel and plastic decking be also compounded with first aluminize zinc layers, second aluminize zinc layers, first passivation
Layer, the second passivation layer, the first epoxy primer layer and the first polyester side enamelled coating and the 3rd aluminize zinc layers, the 4th aluminize zinc layers,
3rd passivation layer, the 4th passivation layer, the second epoxy primer layer and the second polyester side enamelled coating, have superpower weatherability, corrosion resistant
Corrosion and the ability of anti-high and low-temp and high temperature difference environment, at present, are mainly used in Mobile Cargo, also can be developed as other field.
Brief description
Fig. 1 is the structural representation of composited steel and plastic decking provided in an embodiment of the present invention.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
And accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is this
Invent a part of embodiment, rather than whole embodiments.The assembly of the embodiment of the present invention being generally described herein as and illustrating
Can be arranged with various different configurations and design.Therefore, below to the not purport of the detailed description in embodiments of the invention
In the scope limiting claimed invention, but it is merely representative of the selected embodiment of the present invention.Based on the reality in the present invention
Apply example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all belong to
In the scope of protection of the invention.
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
As shown in Figure 1: a kind of composited steel and plastic decking provided in an embodiment of the present invention, the thickness of this composited steel and plastic decking is 2～
6mm, it includes foamed plastic sandwich layer 100 and is located at foamed plastic sandwich layer the first coil of strip 200 of both sides and second steel about 100
Volume 300, foamed plastic sandwich layer 100 is by high-density polyethylene resin (hdep), ldpe resin (ldep) and stearic acid
Zinc is mixed, and mass ratio is 12:1:0.3～15:1:0.6 for hdep:ldep: zinc stearate, and the foaming after foaming is moulded
The density of material sandwich layer 100 is 0.52～0.57g/cm3, the frothing percentage of foamed plastic sandwich layer is 40～45%, the first coil of strip 200 He
The thickness of the second coil of strip 300 is 0.30～0.32mm, arranges between foamed plastic sandwich layer 100 upper surface and the first coil of strip 200
There is the first ldpe resin layer 400, between foamed plastic sandwich layer 100 lower surface and the second coil of strip 400, be provided with second
Ldpe resin layer 500, it is blunt that composited steel and plastic decking also includes the first aluminize zinc layers 201, the second zinc layers 202, first of aluminizing
Change layer 203, the second passivation layer 204, the first epoxy primer layer 205 and the first polyester side enamelled coating 206 and the 3rd to aluminize zinc layers
301st, the 4th aluminize zinc layers 302, the 3rd passivation layer 303, the 4th passivation layer 304, the second epoxy primer layer 305 and the second polyester
Top coat layer 306, wherein:
First coil of strip 200 inner surface setting has first to aluminize zinc layers 201, and the first passivation layer 203 is arranged on the first aluminum-zinc alloy
Layer 201 and first is between ldpe resin layer 400, and the first epoxy primer layer 205 is arranged on the first passivation layer 203 and the
Between one ldpe resin layer 400, second aluminize zinc layers 202 be arranged on the first coil of strip 200 and the second passivation layer 204 it
Between, the first polyester side enamelled coating 206 is arranged on the second passivation layer 204 outer surface；
Second coil of strip 300 inner surface setting has the 3rd to aluminize zinc layers 301, and the 3rd passivation layer 303 is arranged on the 3rd aluminum-zinc alloy
Layer 301 and second is between ldpe resin layer 500, and the second epoxy primer layer 305 is arranged on the 3rd passivation layer 303 and the
Between two ldpe resin layers 500, the 4th aluminize zinc layers 302 be arranged on the second coil of strip 300 and the 4th passivation layer 304 it
Between, the second polyester side enamelled coating 306 is arranged on the 4th passivation layer 304 outer surface；
The peel strength of above-mentioned composited steel and plastic decking is not less than 9n/mm, and the three-point bending resistance of composited steel and plastic decking is not less than 2670n,
The vertical deformation of composited steel and plastic decking is not less than 12kn.
As the preferred implementation of above-described embodiment, the thickness of composited steel and plastic decking is 4mm.
As the preferred implementation of above-described embodiment, hdep:ldep: zinc stearate is preferably 14:1:0.4.
As the preferred implementation of above-described embodiment, the thickness of above-mentioned first coil of strip 200 and the second coil of strip 300 is
0.30mm.
As the preferred implementation of above-described embodiment, above-mentioned first aluminize zinc layers 201, second aluminize zinc layers the 202, the 3rd
Zinc layers of aluminizing 301 and the 4th aluminize zinc layers 302 thickness all not less than 25 μm.
As the preferred implementation of above-described embodiment, above-mentioned first epoxy primer layer 205 and the second epoxy primer layer 305
Thickness be 5～6 μm.
As the preferred implementation of above-described embodiment, above-mentioned first polyester side enamelled coating 206 and the second polyester side enamelled coating 306
Thickness all not less than 20～22 μm.
As the preferred implementation of above-described embodiment, the tensile strength of above-mentioned first coil of strip 200 and the second coil of strip 300 is not
Less than 550mpa, and elongation percentage is not less than 5%.
A kind of composited steel and plastic decking provided in an embodiment of the present invention, by foamed plastic sandwich layer and positioned at described foamed plastic core
First coil of strip of both sides and the second coil of strip are composited layer by High Temperature High Pressure up and down, and foamed plastic sandwich layer is by high-density polyethylene
Olefine resin (hdep), ldpe resin (ldep) and zinc stearate are mixed, and mass ratio is hdep:ldep:
Zinc stearate is 12:1:0.3～15:1:0.6, and the plastic core layer density after foaming is 0.52～0.57g/cm3, this steel plastic compount
The thickness of plate is 2～6mm, and the thickness of the first coil of strip and the second coil of strip is 0.30～0.32mm, on described foamed plastic sandwich layer
It is provided with the first ldpe resin layer, described foamed plastic sandwich layer lower surface and institute between surface and described first coil of strip
State and between the second coil of strip, be provided with the second ldpe resin layer, and foamed plastic sandwich layer, the first Low Density Polyethylene tree
Lipid layer and the second ldpe resin layer form through coextru-lamination, have higher than simple steel plate or other sheet materials
Bending strength, anti-impact shearing stress, rivet longitudinal direction pull strength and lateral shear intensity, further, since be provided with foamed plastic core
Layer, the first ldpe resin layer and the second ldpe resin layer, its heat-insulating property is good；Meanwhile, this steel is moulded
Composite plate be also compounded with first aluminize zinc layers, second aluminize zinc layers, the first passivation layer, the second passivation layer, the first epoxy primer layer
And first polyester side enamelled coating and the 3rd aluminize zinc layers, the 4th aluminize zinc layers, the 3rd passivation layer, the 4th passivation layer, the second ring
Oxygen prime coat and the second polyester side enamelled coating, have superpower weatherability, corrosion resistance and anti-high and low-temp and high temperature difference environment
Ability, wherein, weatherability is tested and is: the salt fog detection carrying out in salt fog machine 1000 hours is not divided, non-corrosive and constant
Shape, also has resistant to boiling water feature, 10 circulations are not ftractureed, and boil 8 hours in 100 DEG C of boiling water, then in room simultaneously
Temperature is lower to place 16 hours, circulates as one, is carried out continuously 10 circulations and also will not ftracture；At present, this composited steel and plastic decking
It is mainly used in Mobile Cargo, also can be developed as other field.
Finally it is noted that above-described each embodiment is merely to illustrate technical scheme, rather than to it
Limit；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that:
It still can be modified to the technical scheme described in previous embodiment, or wherein part or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The scope of case.
Claims (8)
1. a kind of composited steel and plastic decking it is characterised in that: the thickness of this composited steel and plastic decking be 2～6mm, it includes foamed plastic sandwich layer
And the first coil of strip positioned at the upper and lower both sides of described foamed plastic sandwich layer and the second coil of strip, described foamed plastic sandwich layer is by high density
Polyvinyl resin (hdep), ldpe resin (ldep) and zinc stearate are mixed, and mass ratio is hdep:
Ldep: zinc stearate is 12:1:0.3～15:1:0.6, and the foamed plastic core concentration after foaming is 0.52～0.57g/cm3,
The frothing percentage of described foamed plastic sandwich layer is 40～45%, the thickness of described first coil of strip and the second coil of strip is 0.30～
0.32mm, is provided with the first ldpe resin layer between described foamed plastic sandwich layer upper surface and described first coil of strip,
It is provided with the second ldpe resin layer, described steel is moulded between described foamed plastic sandwich layer lower surface and described second coil of strip
Composite plate also include first aluminize zinc layers, second aluminize zinc layers, the first passivation layer, the second passivation layer, the first epoxy primer layer with
And first polyester side enamelled coating and the 3rd aluminize zinc layers, the 4th aluminize zinc layers, the 3rd passivation layer, the 4th passivation layer, the second epoxy
Prime coat and the second polyester side enamelled coating, wherein:
Described first coil of strip inner surface setting has described first to aluminize zinc layers, and described first passivation layer is arranged on described first and aluminizes
Between zinc layers and described first ldpe resin layer, described first epoxy primer layer be arranged on described first passivation layer with
Between described first ldpe resin layer, described second aluminizes, and to be arranged on described first coil of strip blunt with described second for zinc layers
Change between layer, described first polyester side enamelled coating is arranged on described second passivation layer outer surface；
Described second coil of strip inner surface setting has the described 3rd to aluminize zinc layers, and described 3rd passivation layer is arranged on the described 3rd and aluminizes
Between zinc layers and described second ldpe resin layer, described second epoxy primer layer be arranged on described 3rd passivation layer with
Between described second ldpe resin layer, the described 4th aluminizes, and to be arranged on described second coil of strip blunt with the described 4th for zinc layers
Change between layer, described second polyester side enamelled coating is arranged on described 4th passivation layer outer surface；
The peel strength of described composited steel and plastic decking is not less than 9n/mm, and the three-point bending resistance of described composited steel and plastic decking is not less than 2670n,
The vertical deformation of described composited steel and plastic decking is not less than 12kn.
2. composited steel and plastic decking according to claim 1 it is characterised in that: the thickness of described composited steel and plastic decking be 4mm.
3. composited steel and plastic decking according to claim 2 it is characterised in that: described hdep:ldep: zinc stearate is preferably
14:1:0.4.
4. composited steel and plastic decking according to claim 3 it is characterised in that: the thickness of described first coil of strip and the second coil of strip is equal
For 0.30mm.
5. composited steel and plastic decking according to claim 1 is it is characterised in that the described first zinc layers and second of aluminizing are aluminized zinc layers
Thickness all not less than 25 μm.
6. composited steel and plastic decking according to claim 1 it is characterised in that: described first epoxy primer layer and the second epoxy bottom
The thickness of enamelled coating is 5～6 μm.
7. composited steel and plastic decking according to claim 1 it is characterised in that: described first polyester side enamelled coating and the second polyester side
The thickness of enamelled coating is all not less than 20～22 μm.
8. composited steel and plastic decking according to claim 1 it is characterised in that: the stretching of described first coil of strip and the second coil of strip is strong
Degree is not less than 550mpa, and elongation percentage is not less than 5%.
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| CN201610792485.1A CN106364061A (en) | 2016-08-31 | 2016-08-31 | Steel plastic composite board |
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| CN201610792485.1A CN106364061A (en) | 2016-08-31 | 2016-08-31 | Steel plastic composite board |
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Application publication date: 20170201 |