CN112874089A - High-strength glass fiber reinforced plastic composite board with good corrosion resistance and application thereof - Google Patents
High-strength glass fiber reinforced plastic composite board with good corrosion resistance and application thereof Download PDFInfo
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- CN112874089A CN112874089A CN202110029225.XA CN202110029225A CN112874089A CN 112874089 A CN112874089 A CN 112874089A CN 202110029225 A CN202110029225 A CN 202110029225A CN 112874089 A CN112874089 A CN 112874089A
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- glass fiber
- reinforced plastic
- fiber reinforced
- corrosion resistance
- composite board
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Abstract
The invention provides a high-strength glass fiber reinforced plastic composite board with good corrosion resistance, which sequentially comprises a glass fiber reinforced plastic inner covering, a first adhesive layer, a support frame, a second adhesive layer and a glass fiber reinforced plastic outer covering from bottom to top, wherein a foaming material is embedded in the support frame. The raw materials for preparing the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin at least comprise reinforcing fibers and synthetic resin. According to the technical scheme, the support frame is bonded in the glass fiber reinforced plastic plate, so that the strength of the whole glass fiber reinforced plastic composite plate is improved, and the structure of the glass fiber reinforced plastic plate is more stable in the using process. Through scarf joint expanded material in the support frame, reduced glass steel composite board's density, make glass steel composite board convenient to detach and installation, improved the convenience that glass steel composite board used. The composite synthetic resin can improve the corrosion resistance and tensile strength of the glass fiber reinforced plastic material, can also improve the weather resistance of the glass fiber reinforced plastic material, and improves the applicability of the glass fiber reinforced plastic composite material.
Description
Technical Field
The invention belongs to the field of composite materials, and particularly relates to a high-strength glass fiber reinforced plastic composite board with good corrosion resistance and application thereof.
Background
The glass fiber reinforced plastic is a fiber reinforced composite plastic. The fiber is divided into glass fiber reinforced composite plastic, carbon fiber reinforced composite plastic, boron fiber reinforced composite plastic and the like according to different fibers. It is a composite material using glass fibre as reinforcing material and synthetic resin as base material. Fiber-reinforced composites are generally composed of reinforcing fibers, a resin matrix, and a skeleton.
Among the prior art, the glass fiber reinforced plastic board is widely used as the decoration panel material, and traditional glass fiber reinforced plastic board is single-layer solid structure, is made by a monoblock glass fiber reinforced plastic, and the cost of this kind of solid glass board structure is higher, and single-layer solid glass fiber reinforced plastic board density is high moreover, and especially large plate glass fiber reinforced plastic board weight is heavier, is not convenient for installation and dismantlement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-strength glass fiber reinforced plastic composite board with good corrosion resistance, which sequentially comprises a glass fiber reinforced plastic inner skin, a first adhesive layer, a support frame, a second adhesive layer and a glass fiber reinforced plastic outer skin from bottom to top, wherein a foaming material is embedded in the support frame.
Preferably, the raw materials for preparing the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin at least comprise reinforcing fibers and synthetic resin.
Preferably, the synthetic resin is at least one selected from the group consisting of unsaturated polyester resins, vinyl resins, epoxy resins, phenolic resins, bismaleimide resins and polyimide resins.
Preferably, the synthetic resin is a mixture of unsaturated polyester resin and vinyl resin, and the mass ratio of the unsaturated polyester resin to the vinyl resin is 1: (3-5).
Preferably, the reinforcing fiber is selected from at least one of glass fiber, boron fiber and carbon fiber.
Preferably, the stiffness of the reinforcing fiber is 130-220 mm.
Preferably, the material of the support frame is glass fiber reinforced plastic.
Preferably, the density of the foaming material is less than 0.5g/cm3。
Preferably, the foaming material is a polypropylene foaming material.
The high-strength glass fiber reinforced plastic composite board with good corrosion resistance is applied to the field of building materials.
Has the advantages that: according to the technical scheme, the support frame is bonded in the glass fiber reinforced plastic plate, so that the strength of the whole glass fiber reinforced plastic composite plate is improved, and the structure of the glass fiber reinforced plastic plate is more stable in the using process. Through scarf joint expanded material in the support frame, reduced glass steel composite board's density, make glass steel composite board convenient to detach and installation, improved the convenience that glass steel composite board used. By compounding certain unsaturated polyester resin and vinyl resin, the corrosion resistance and tensile strength of the glass fiber reinforced plastic material can be improved, the weather resistance of the glass fiber reinforced plastic material can also be improved, so that the glass fiber reinforced plastic composite material can still keep higher mechanical strength at lower temperature, and the applicability of the glass fiber reinforced plastic composite material is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the glass fiber reinforced plastic composite plate in example 1.
Fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.
1-supporting frame, 2-glass fiber reinforced plastic outer skin, 3-foaming material, 4-glass fiber reinforced plastic inner skin, 5-first adhesive layer and 6-second adhesive layer.
Detailed Description
For purposes of the following detailed description, it is to be understood that the invention may assume various alternative variations and step sequences, except where expressly specified to the contrary. Moreover, other than in any operating examples, or where otherwise indicated, all numbers expressing, for example, quantities of ingredients used in the specification and claims are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention. At the very least, and not as an attempt to limit the application of the doctrine of equivalents to the scope of the claims, each numerical parameter should at least be construed in light of the number of reported significant digits and by applying ordinary rounding techniques.
Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the invention are approximations, the numerical values set forth in the specific examples are reported as precisely as possible. Any numerical value, however, inherently contains certain errors necessarily resulting from the standard deviation found in their respective testing measurements.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range-describing features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to encompass any and all subranges subsumed therein. For example, a stated range from "1 to 10" should be considered to include any and all subranges between the minimum value of 1 and the maximum value of 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, and the like.
In order to solve the technical problems, the invention provides a high-strength glass fiber reinforced plastic composite board with good corrosion resistance, which sequentially comprises a glass fiber reinforced plastic inner skin, a first adhesive layer, a support frame, a second adhesive layer and a glass fiber reinforced plastic outer skin from bottom to top, wherein a foaming material is embedded in the support frame.
As a preferable technical scheme, the raw materials for preparing the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin at least comprise reinforcing fibers and synthetic resin.
As a preferable embodiment, the synthetic resin is at least one selected from the group consisting of unsaturated polyester resin, vinyl resin, epoxy resin, phenol resin, bismaleimide resin and polyimide resin.
As a preferred technical scheme, the vinyl resin is epoxy bisphenol A vinyl resin.
As a preferable technical solution, the synthetic resin is a mixture of unsaturated polyester resin and epoxy bisphenol a vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol a vinyl resin is 1: (3-5).
As a preferred technical scheme, the raw materials for preparing the unsaturated polyester resin comprise aromatic dibasic acid, aliphatic dibasic acid, saturated dibasic alcohol and vinyl monomer, wherein the mass ratio of the aromatic dibasic acid to the aliphatic dibasic acid is (1-3): 1.
as a preferable embodiment, the reinforcing fiber is at least one selected from the group consisting of glass fiber, boron fiber, and carbon fiber.
As a preferred technical solution, the reinforcing fiber is glass fiber.
The unsaturated polyester resin is a linear high molecular compound having an ester bond and an unsaturated double bond. The unsaturated polyester has a backbone chain with polyester bonds and unsaturated double bonds, and the unsaturated double bonds can generate copolymerization crosslinking reaction with vinyl monomers, so that the unsaturated polyester resin is converted from a linear high molecular compound into a three-dimensional network high molecular compound, and the mechanical strength of the unsaturated polyester resin can be greatly improved. However, the unsaturated polyester has low corrosion resistance due to the ester bond in the backbone. The inventor finds that the acid and alkali corrosion resistance of the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin can be improved, the strength and the toughness of the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin can be well balanced, and the weather resistance of the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin can be improved by compounding a certain amount of epoxy bisphenol A vinyl resin with a certain amount of unsaturated polyester resin. The inventors believe that the possible reason is that the steric effect of the cured vinyl resin is large, and the ester bond can be shielded to some extent, so that the corrosion resistance of the whole material is improved. The vinyl resin has hydroxyl groups with good wettability and cohesiveness to the glass fiber, so that the glass fiber can be tightly adhered in the synthetic resin, the gaps in the material are reduced, the uniformity of the whole material is improved, and the strength of the whole material is further improved.
As a preferable technical scheme, the stiffness of the reinforced fiber is 130-220 mm.
The inventors have found that when the stiffness of the reinforcing fiber is selected to be too high, the reinforcing fiber has high mechanical strength but is easily brittle, when the stiffness of the reinforcing fiber is selected to be too low, the strength of the entire material cannot be achieved, and when the stiffness of the reinforcing fiber is in a certain range, the reinforcing fiber has appropriate hardness and is not easily brittle.
As a preferred technical scheme, the material of the support frame is glass fiber reinforced plastic.
The glass fiber reinforced plastic has good mechanical strength, and can not generate rusting in the composite material.
As a preferred technical scheme, the density of the foaming material is less than 0.5g/cm3。
As a preferable technical solution, the foaming material is a polypropylene foaming material.
The high-strength glass fiber reinforced plastic composite board with good corrosion resistance is applied to the field of building materials.
In addition, the starting materials used are all commercially available, unless otherwise specified.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a high-strength glass fiber reinforced plastic composite board with good corrosion resistance, which sequentially includes, from bottom to top, a glass fiber reinforced plastic inner skin 4, a first glue layer 5, a support frame 1, a second glue layer 6, and a glass fiber reinforced plastic outer skin 2, wherein a foam material 3 is embedded in the support frame 1. The thickness of the glass fiber reinforced plastic inner skin 4 is 5mm, and the thickness of the glass fiber reinforced plastic outer skin 2 is 5 mm. The glass fiber reinforced plastic inner skin 4 and the glass fiber reinforced plastic outer skin 2 are prepared from raw materials including, by weight, 10 parts of gel coat, 60 parts of glass fiber and 40 parts of synthetic resin. The gel coat in this example was a paint, purchased from south sea lovely dolphin paint works in foshan city, with a product number of 001. The reinforced fiber is glass fiber, the stiffness of the glass fiber is 160 +/-20 mm, and the glass fiber is purchased from China megalithic corporation and has the model number of 4654. The synthetic resin is a mixture of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 3. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, the unsaturated polyester resin is purchased from Pontella chemical Co., Ltd, Zhongshan, the epoxy bisphenol A vinyl resin is purchased from Jinlingli Binshi resin Co., Ltd, and the type is Atlac
The support frame 1 in the embodiment is made of a glass fiber reinforced plastic square tube, and the glass fiber reinforced plastic square tube is connected into the support frame through a stainless steel corner connector and a stainless steel self-drilling tail screw. The foaming material 3 is a polypropylene honeycomb plate, and the density of the polypropylene honeycomb plate is 0.015g/cm3The polypropylene honeycomb plate is 10mm thick and is purchased from Changlong plastics science and technology Limited company in Dongguan city. The raw material of the first adhesive layer 5 is in phase with the raw material of the second adhesive layer 6And the epoxy bisphenol A vinyl resin is a mixture of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 3. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, the unsaturated polyester resin is purchased from Pontella chemical Co., Ltd, Zhongshan, the epoxy bisphenol A vinyl resin is purchased from Jinlingli Binshi resin Co., Ltd, and the type is Atlac
In a second aspect of this embodiment, a method for preparing a high-strength glass fiber reinforced plastic composite board with good corrosion resistance is provided, which includes the following steps:
(1) preparing a glass fiber reinforced plastic inner skin 4 and a glass fiber reinforced plastic outer skin 2, uniformly coating gel coats on a glass fiber reinforced plastic skin mould platform, uniformly laying glass fibers after curing, then coating synthetic resin on the glass fibers, demoulding after curing to obtain the glass fiber reinforced plastic inner skin 4 and the glass fiber reinforced plastic outer skin 2, and coating a second adhesive layer 6 on the glass fiber reinforced plastic outer skin 2;
(2) connecting glass fiber reinforced plastic square tubes into a support frame 1 through a stainless steel corner connector and a stainless steel self-drilling tail screw, horizontally placing the produced support frame 1 on a second adhesive layer 6, cutting a polypropylene honeycomb plate, and embedding the cut polypropylene honeycomb plate into the support frame 1;
(3) coating a first glue layer 5 on the glass fiber reinforced plastic inner skin 4, and covering the glass fiber reinforced plastic inner skin 4 coated with the first glue layer 5 on the support frame 1 and the foaming material to obtain a first composite board;
(4) and covering the vacuum film on the vacuum platform, keeping the periphery sealed, enabling the vacuum platform to form negative pressure through a vacuum pump, and curing the first adhesive layer 5 and the second adhesive layer 6 to obtain the high-strength glass fiber reinforced plastic composite board with good corrosion resistance.
The high-strength glass fiber reinforced plastic composite board with good corrosion resistance is applied to the field of building materials.
Example 2
The embodiment is providedThe high-strength glass fiber reinforced plastic composite board with good corrosion resistance comprises a glass fiber reinforced plastic inner skin, a first adhesive layer, a support frame, a second adhesive layer and a glass fiber reinforced plastic outer skin from bottom to top in sequence, and a foaming material is embedded in the support frame. The thickness of the glass fiber reinforced plastic inner skin is 5mm, and the thickness of the glass fiber reinforced plastic outer skin is 5 mm. The glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin are prepared from the raw materials of 10 parts of gel coat, 60 parts of glass fiber and 40 parts of synthetic resin in parts by weight. The gel coat in this example was a paint, purchased from south sea lovely dolphin paint works in foshan city, with a product number of 001. The reinforced fiber is glass fiber, the stiffness of the glass fiber is 160 +/-20 mm, and the glass fiber is purchased from China megalithic corporation and has the model number of 4654. The synthetic resin is a mixture of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 5. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, the unsaturated polyester resin is purchased from Pontella chemical Co., Ltd, Zhongshan, the epoxy bisphenol A vinyl resin is purchased from Jinlingli Binshi resin Co., Ltd, and the type is Atlac
The support frame in this embodiment is made of a glass fiber reinforced plastic square tube, and the glass fiber reinforced plastic square tube is connected into the support frame through a stainless steel corner connector and a stainless steel self-drilling tail screw. The foaming material is a polypropylene honeycomb plate, and the density of the polypropylene honeycomb plate is 0.015g/cm3The polypropylene honeycomb plate is 10mm thick and is purchased from Changlong plastics science and technology Limited company in Dongguan city. The raw materials of the first adhesive layer and the second adhesive layer are the same and are mixtures of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 3. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol and 5 parts ofEthylene glycol and 25 parts of styrene, the unsaturated polyester resin being obtained from Pontene chemical Co.Ltd, Zhongshan, and the epoxy bisphenol A vinyl resin being obtained from Jinlingli Bisin resin Co.Ltd, model Atlac
In a second aspect of this embodiment, a method for preparing a high-strength glass fiber reinforced plastic composite board with good corrosion resistance is provided, which includes the following steps:
(1) preparing a glass fiber reinforced plastic inner skin and a glass fiber reinforced plastic outer skin, uniformly coating gel coats on a glass fiber reinforced plastic skin mould platform, uniformly laying glass fibers after curing, then coating synthetic resin on the glass fibers, obtaining the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin after curing and demoulding, and coating a second gel layer on the glass fiber reinforced plastic outer skin;
(2) connecting the glass fiber reinforced plastic square tubes into a support frame through a stainless steel corner connector and a stainless steel self-drilling tail screw, horizontally placing the produced support frame on the second adhesive layer, cutting the polypropylene honeycomb plate, and embedding the cut polypropylene honeycomb plate into the support frame;
(3) coating a first glue layer on the glass fiber reinforced plastic inner skin, and covering the glass fiber reinforced plastic inner skin coated with the first glue layer on the support frame and the foaming material to obtain a first composite board;
(4) and covering the vacuum film on the vacuum platform, keeping the periphery sealed, enabling the vacuum platform to form negative pressure through a vacuum pump, and curing the first adhesive layer and the second adhesive layer to obtain the high-strength glass fiber reinforced plastic composite board with good corrosion resistance.
Example 3
The difference between this example and example 1 is that the synthetic resin is an unsaturated polyester resin, and the raw materials for preparing the unsaturated polyester resin include 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, and the unsaturated polyester resin is obtained from pont chemical ltd.
Example 4
The difference between this embodiment and embodiment 1 is thatThe synthetic resin is epoxy bisphenol A vinyl resin which is purchased from Jinlingli resin GmbH and has the model of Atlac
Example 5
The synthetic resin is a mixture of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 1. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, the unsaturated polyester resin is purchased from Pontella chemical Co., Ltd, Zhongshan, the epoxy bisphenol A vinyl resin is purchased from Jinlingli Binshi resin Co., Ltd, and the type is Atlac
Example 6
The synthetic resin is a mixture of unsaturated polyester resin and epoxy bisphenol A vinyl resin, and the mass ratio of the unsaturated polyester resin to the epoxy bisphenol A vinyl resin is 1: 7. the raw materials for preparing the unsaturated polyester resin comprise 30 parts of phthalic anhydride, 15 parts of maleic anhydride, 5 parts of propylene glycol, 5 parts of ethylene glycol and 25 parts of styrene, the unsaturated polyester resin is purchased from Pontella chemical Co., Ltd, Zhongshan, the epoxy bisphenol A vinyl resin is purchased from Jinlingli Binshi resin Co., Ltd, and the type is Atlac
Example 7
The difference between this embodiment and embodiment 1 is that the method for preparing the high-strength glass fiber reinforced plastic composite board with good corrosion resistance of this embodiment includes the following steps:
(1) preparing a glass fiber reinforced plastic inner skin and a glass fiber reinforced plastic outer skin, uniformly coating gel coats on a glass fiber reinforced plastic skin mould platform, uniformly laying glass fibers after curing, then coating synthetic resin on the glass fibers, obtaining the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin after curing and demoulding, and coating a second gel layer on the glass fiber reinforced plastic outer skin;
(2) connecting the glass fiber reinforced plastic square tubes into a support frame through a stainless steel corner connector and a stainless steel self-drilling tail screw, horizontally placing the produced support frame on the second adhesive layer, cutting the polypropylene honeycomb plate, and embedding the cut polypropylene honeycomb plate into the support frame;
(3) and coating a first glue layer on the glass fiber reinforced plastic inner skin, covering the glass fiber reinforced plastic inner skin coated with the first glue layer on the support frame and the foaming material, and curing the first glue layer and the second glue layer to obtain the high-strength glass fiber reinforced plastic composite board with good corrosion resistance.
Performance testing
And (3) stability testing:
10 parts of glass fiber reinforced plastic composite plates were prepared according to the methods described in examples 1 to 7, and the presence or absence of bubbles at the bonding interface of the glass fiber reinforced plastic outer skin and the bonding interface of the glass fiber reinforced plastic inner skin was observed to evaluate the stability of the entire glass fiber reinforced plastic composite plates, and the presence or absence of bubbles at any interface of any sample was recorded, and the stability of the glass fiber reinforced plastic composite plates was recorded as good, otherwise, as bad, 0 was recorded, the stability was recorded as good, 1-3 was recorded as bad, and more than 3 were recorded as bad.
And (3) corrosion resistance testing:
10 parts of each of the glass fiber reinforced plastic outer skins was prepared as described in examples 1 to 7, and the change in hardness of the glass fiber reinforced plastic outer skins before and after immersion in the medium was measured by reference to the test standard in ASTM C581, and the corrosion resistance was recorded as good when the change in hardness was within 2%, as bad when the change in hardness was 2% or more, as good as 0, as good as 1 to 3, as good as 3, and as bad as 3 or more.
And (3) testing tensile strength:
10 parts of the outer skin of glass reinforced plastic were prepared at room temperature as described in examples 1 to 7, and the tensile strength of the outer skin of glass reinforced plastic was tested at room temperature with reference to the test standard GB/T1447-2005, the tensile strength with a tensile strength of 130MPa or more being recorded as pass, the tensile strength with a tensile strength < 130MPa being recorded as fail, 0 being fail, the tensile strength being recorded as excellent, 1 to 3 being fail, the tensile strength being recorded as good, and more than 3 being fail.
And (3) weather resistance test:
10 parts of the outer skin of glass fiber reinforced plastic was prepared as described in examples 1 to 7, and the resulting outer skin of glass fiber reinforced plastic was left to stand at-5 ℃ for 24 hours, and the tensile strength of the outer skin of glass fiber reinforced plastic was measured with reference to the test standard GB/T1447-2005, and the tensile strength of 125MPa or more was recorded as pass, the tensile strength of 125MPa or more was recorded as fail, 0 was recorded as fail, the weather resistance was recorded as excellent, 1 to 3 were recorded as fail, the weather resistance was recorded as good, and 3 or more failed weather resistances were recorded as bad.
According to the data, the technical scheme has the advantages that the corrosion resistance and the tensile strength of the glass fiber reinforced plastic material are improved, the weather resistance of the glass fiber reinforced plastic material is also improved, the glass fiber reinforced plastic composite material can still keep higher mechanical strength at lower temperature, and the applicability of the glass fiber reinforced plastic composite material is improved by compounding the unsaturated polyester resin and the epoxy bisphenol A vinyl resin to a certain extent. The gas in the glue layer is pumped out by a vacuum compounding method, so that the first glue layer and the second glue layer can be well bonded with the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin, the stability of the whole composite material is improved, and the service life of the glass fiber reinforced plastic composite material can be effectively prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content of the above disclosure into equivalent embodiments with equivalent changes, but all those simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a high strength glass steel composite board that corrosion resistance is good, its characterized in that includes glass steel inner covering, first glue film, support frame, second glue film and glass steel outer covering from the bottom up in proper order, the scarf joint has expanded material in the support frame.
2. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as claimed in claim 1, wherein the raw materials for preparing the glass fiber reinforced plastic inner skin and the glass fiber reinforced plastic outer skin at least comprise reinforcing fibers and synthetic resin.
3. The high-strength glass fiber reinforced plastic composite panel having good corrosion resistance according to claim 2, wherein the synthetic resin is at least one selected from the group consisting of unsaturated polyester resins, vinyl resins, epoxy resins, phenolic resins, bismaleimide resins and polyimide resins.
4. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as claimed in claim 3, wherein the synthetic resin is a mixture of unsaturated polyester resin and vinyl resin, and the mass ratio of the unsaturated polyester resin to the vinyl resin is 1: (3-5).
5. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as claimed in claim 2, wherein the reinforcing fiber is at least one selected from the group consisting of glass fiber, boron fiber and carbon fiber.
6. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as recited in claim 5, wherein the stiffness of the reinforcing fiber is 130-220 mm.
7. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as claimed in claim 1, wherein the material of the support frame is glass fiber reinforced plastic.
8. The high strength glass fiber reinforced plastic composite panel with good corrosion resistance of claim 1, wherein the density of the foaming material is less than 0.5g/cm3。
9. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance as set forth in any one of claims 1 to 8, wherein the foamed material is a polypropylene foamed material.
10. The high-strength glass fiber reinforced plastic composite board with good corrosion resistance according to any one of claims 1 to 9 is applied to the field of building materials.
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CN109835030A (en) * | 2017-11-29 | 2019-06-04 | 蒋鑫 | A kind of refrigeration processing technology of insulation board |
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