CN217145210U - High-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board - Google Patents
High-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board Download PDFInfo
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- CN217145210U CN217145210U CN202220384871.8U CN202220384871U CN217145210U CN 217145210 U CN217145210 U CN 217145210U CN 202220384871 U CN202220384871 U CN 202220384871U CN 217145210 U CN217145210 U CN 217145210U
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Abstract
The utility model provides a high temperature resistant wave-transparent quartz fiber reinforced resin laminated board, which comprises a quartz polyimide layer and a quartz phthalonitrile layer which are arranged in a laminated connection way; the quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer; the quartz polyimide layers are at least two layers, and at least one quartz phthalonitrile layer is arranged between the adjacent quartz polyimide layers. The high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board integrates the advantages of a quartz fiber reinforced polyimide resin composite material and a quartz fiber reinforced bis-phthalonitrile resin composite material, has the advantages of corrosion resistance, impact resistance and the like, and is an ideal wave-transmitting material for a high-speed aircraft.
Description
Technical Field
The utility model belongs to the technical field of the combined material lamination board, concretely relates to high temperature resistant ripples quartz fiber reinforced resin laminated board that passes through.
Background
The wave-transparent material becomes one of the most important multifunctional medium materials in the aerospace field, and is a window material for normal operation of systems of spacecraft communication, remote measurement, guidance, detonation and the like in severe environment. In addition to good dielectric properties, the wave-transparent materials for aviation are required to have excellent thermal stability, mechanical strength and processability to resist the aerodynamic heat generated in high-speed flight. The matrix material plays a role in binding and transferring load stress in the composite material, and the heat resistance, the tensile property, the corrosion resistance and the like of the matrix material are key factors determining the performance of the composite material.
Cyano resin (also called poly phthalonitrile resin) is a high-performance thermosetting resin, which is mainly prepared by addition polymerization of phthalonitrile compound at high temperature through cyano, and has good thermal-oxygen stability, chemical stability, low water absorption, excellent dielectric property and the like. Although the high-temperature mechanical property of the thermosetting resin is superior to that of most thermosetting resins, the thermosetting resin has the defects of brittleness, large internal stress and poor impact resistance, so that the thermosetting resin is limited to be used in certain high-tech fields. Therefore, other resin matrixes matched with the curing temperature and the heat-resistant grade of the nitrile resin are selected to realize modification, and the crack resistance and the toughness of the thermosetting composite material can be effectively improved.
At present, the quartz fiber reinforced polyimide resin matrix composite material is the most widely applied one of high temperature resistant resin matrix wave-transmitting materials. The curing temperature and the temperature resistance level of the composite material are basically equivalent to those of nitrile-based resin, the toughness, the impact resistance and the like of the composite material are superior to those of the nitrile-based resin, but the conventional polyimide resin-based composite material can hardly resist the temperature of more than 450 ℃. So far, no wave-transparent composite material which has good toughness and high temperature resistance up to more than 540 ℃ and meets the application requirements is available in China.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a high temperature resistant ripples quartz fiber reinforcing resin laminated board that passes through, synthesized quartz fiber reinforcing polyimide resin combined material and quartz fiber reinforcing bisphthalonitrile resin combined material's advantage, had advantages such as corrosion-resistant, shock-resistant simultaneously, is the ideal high-speed aircraft with passing through ripples material.
In order to solve the above problem, the utility model provides a high temperature resistant wave-transparent quartz fiber reinforced resin laminated board:
the device comprises a quartz polyimide layer and a quartz phthalonitrile layer which are arranged in a laminated connection mode; the quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer; the quartz polyimide layers are at least two layers, and at least one quartz phthalonitrile layer is arranged between every two adjacent quartz polyimide layers.
Preferably, the thickness of the quartz polyimide layer is 1-2 mm.
Preferably, the thickness of the quartz phthalonitrile layer is 1 to 2 mm.
Preferably, the quartz polyimide layer is 2-3 layers in total.
Preferably, the quartz phthalonitrile layer is 1-3 layers in total.
Preferably, the ply angle of the quartz polyimide layer and the quartz phthalonitrile layer is 0 °.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses a high temperature resistant ripples quartz fiber reinforced resin laminated board has synthesized quartz fiber reinforcing polyimide resin combined material and quartz fiber reinforcing bisphthalonitrile resin combined material's advantage, has advantages such as corrosion-resistant, shock-resistant simultaneously, is that the high-speed aircraft of ideal is with passing through ripples material.
2. Through the combination of two kinds of fiber reinforced composite material layers, the utility model discloses a high temperature resistant ripples quartz fiber reinforced resin laminated board's glass transition temperature can reach more than 540 ℃, can promote 10% ~ 30% than fiber reinforced polyimide composite.
3. Through the combination of two kinds of fiber reinforced composite material layers, the utility model discloses a high temperature resistant wave-transmitting quartz fiber reinforced resin laminated board's wave transmissivity can reach more than 90%, improves more than 6% than the two phthalonitrile composite of fiber reinforcement.
4. The utility model discloses an among the fiber reinforcement resin thoughtlessly gathers the laminated board, quartz fiber reinforcing bisphthalonitrile resin composite thermosetting material, its coefficient of thermal expansion is 3 x 10 -6 ～6×10 -6 The initial decomposition temperature is about 550 ℃ generally, and the long-term working temperature can reach 400 ℃. Therefore, the quartz fiber reinforced bisphthalonitrile composite material has excellent thermal oxygen stability, outstanding mechanical property at high temperature and good chemical stability.
5. The quartz phthalonitrile layer has excellent high-temperature mechanical properties, but has the defects of brittle quality, large internal stress and poor impact resistance; the toughness and the impact resistance of the quartz polyimide layer are superior to those of the quartz phthalonitrile layer, but the temperature resistance of the quartz polyimide layer is inferior to that of the quartz phthalonitrile layer; in addition, the wave transmissivity on quartzy polyimide layer and quartzy phthalonitrile layer is also different, consequently, the utility model discloses a further thickness, the number of piles to quartzy polyimide layer and quartzy phthalonitrile layer are optimized, make high temperature resistant wave-transparent quartz fiber reinforcing resin laminated board have and have high temperature mechanical properties, toughness, impact resistance and the wave-transparent performance that the at utmost promoted concurrently.
Drawings
Fig. 1 is a schematic structural view of a high temperature resistant wave-transmitting quartz fiber reinforced resin laminate according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a high temperature resistant wave-transmitting quartz fiber reinforced resin laminate according to embodiment 2 of the present invention;
fig. 3 is a schematic structural view of a high temperature resistant wave-transmitting quartz fiber reinforced resin laminate according to embodiment 3 of the present invention;
fig. 4 is a schematic structural view of a high temperature resistant wave-transmitting quartz fiber reinforced resin laminate according to embodiment 4 of the present invention;
fig. 5 is a schematic structural view of the high temperature resistant wave-transmitting quartz fiber reinforced resin laminate according to embodiment 5 of the present invention.
Wherein: 1-a quartz polyimide layer; 2-quartz phthalonitrile layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, the high temperature resistant wave-transparent quartz fiber reinforced resin laminate of the present embodiment includes a quartz polyimide layer 1 and a quartz phthalonitrile layer 2 which are stacked and connected.
The quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer.
The quartz polyimide layer 1 is two layers, each layer is 2mm thick, the quartz phthalonitrile layer 2 is one layer, each layer is 2mm thick, and the quartz polyimide layers are arranged between the adjacent quartz polyimide layers; the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer was 0 °.
The preparation process of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board comprises the following steps: the quartz fiber reinforced polyimide resin preformed layer and the quartz fiber reinforced bis-phthalonitrile resin preformed layer are sequentially stacked in a mould and are subjected to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The high temperature resistant wave-transmitting quartz fiber reinforced resin laminate was tested for temperature resistance and transmittance, and the test results are shown in table 1.
Example 2
As shown in fig. 2, the high temperature resistant wave-transparent quartz fiber reinforced resin laminate of the present embodiment includes a quartz polyimide layer 1 and a quartz phthalonitrile layer 2 which are stacked and connected.
The quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer.
The quartz polyimide layer 1 is two layers, and the thickness of each layer is 1.5 mm; the quartz phthalonitrile layer 2 is divided into two layers, the thickness of each quartz phthalonitrile layer is 1.5mm, and the two quartz phthalonitrile layers 2 are arranged between the two quartz polyimide layers 1; the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer was 0 °.
The preparation process of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board comprises the following steps: the quartz fiber reinforced polyimide resin preformed layer and the quartz fiber reinforced bis-phthalonitrile resin preformed layer are sequentially stacked in a mould and are subjected to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The temperature resistance and transmittance of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated plate were tested, and the test results are shown in table 1.
Example 3
As shown in fig. 3, the high temperature resistant wave-transparent quartz fiber reinforced resin laminate of the present embodiment includes a quartz polyimide layer 1 and a quartz phthalonitrile layer 2 which are stacked and connected.
The quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer.
The quartz polyimide layer 1 is two layers, and the thickness of each layer is 1.2 mm; the quartz phthalonitrile layer 2 is three layers, and the thickness of each layer is 1.2 mm; a three-layer quartz phthalonitrile layer 2 is arranged between the two quartz polyimide layers 1; the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer was 0 °.
The preparation process of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board comprises the following steps: the quartz fiber reinforced polyimide resin preformed layer and the quartz fiber reinforced bis-phthalonitrile resin preformed layer are sequentially stacked in a mould and are subjected to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The high temperature resistant wave-transmitting quartz fiber reinforced resin laminate was tested for temperature resistance and transmittance, and the test results are shown in table 1.
Example 4
As shown in fig. 4, the high temperature resistant wave-transparent quartz fiber reinforced resin laminate of the present embodiment includes a quartz polyimide layer 1 and a quartz phthalonitrile layer 2 which are stacked and connected.
The quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer.
The quartz polyimide layer 1 is three layers, and the thickness of each layer is 1.2 mm; the quartz phthalonitrile layer 2 has two layers, and the thickness of each layer is 1.2 mm; a quartz phthalonitrile layer 2 is respectively arranged between two adjacent quartz polyimide layers 1; the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer was 0 °.
The preparation process of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board comprises the following steps: the quartz fiber reinforced polyimide resin preformed layer and the quartz fiber reinforced bis-phthalonitrile resin preformed layer are sequentially stacked in a mould and are subjected to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The high temperature resistant wave-transmitting quartz fiber reinforced resin laminate was tested for temperature resistance and transmittance, and the test results are shown in table 1.
Example 5
As shown in fig. 5, the high temperature resistant wave-transparent quartz fiber reinforced resin laminate of the present embodiment includes a quartz polyimide layer 1 and a quartz phthalonitrile layer 2 which are stacked and connected.
The quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer.
The quartz polyimide layer 1 is three layers, and the thickness of each layer is 1 mm; the quartz phthalonitrile layer 2 has three layers, and the thickness of each layer is 1 mm; one or two quartz phthalonitrile layers 2 are respectively arranged between two adjacent quartz polyimide layers 1; the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer was 0 °.
The preparation process of the high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated board comprises the following steps: the quartz fiber reinforced polyimide resin preformed layer and the quartz fiber reinforced bis-phthalonitrile resin preformed layer are sequentially stacked in a mould and are subjected to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The high temperature resistant wave-transmitting quartz fiber reinforced resin laminate was tested for temperature resistance and transmittance, and the test results are shown in table 1.
Comparative example 1
The comparative example is a quartz fiber reinforced polyimide resin composite plate, which is a single quartz polyimide layer.
The preparation process of the composite plate comprises the following steps: pre-forming and laminating quartz fiber reinforced polyimide resin, placing the quartz fiber reinforced polyimide resin in a mold, and curing according to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The quartz fiber reinforced polyimide resin composite material plate was tested for temperature resistance and transmittance, and the test results are shown in table 1.
Comparative example 2
The comparative example is a quartz fiber reinforced bis-phthalonitrile resin composite plate, which is an independent quartz phthalonitrile layer.
The preparation process of the composite plate comprises the following steps: pre-forming and laminating quartz fiber reinforced polyimide resin, placing the quartz fiber reinforced polyimide resin in a mold, and curing according to a certain curing system: curing is carried out at 260 ℃/2h +330 ℃/2h +380 ℃/4 h.
The quartz fiber reinforced bisphthalonitrile resin composite material plate is tested for temperature resistance and transmittance, and the test results are shown in table 1.
TABLE 1
In Table 1, the transmittance is the transmittance when the composite plate was 10mm thick.
The high-temperature-resistant wave-transmitting quartz fiber reinforced resin laminated plate of each embodiment integrates the advantages of the quartz fiber reinforced polyimide resin composite material and the quartz fiber reinforced bis-phthalonitrile resin composite material, has the advantages of corrosion resistance, impact resistance and the like, and is an ideal wave-transmitting material for a high-speed aircraft; as can be seen from the results in the above table, the high temperature resistant wave-transparent quartz fiber reinforced resin laminated plate of each of the above embodiments can have better temperature resistance and wave-transparent performance than the quartz fiber reinforced polyimide composite material and the quartz fiber reinforced bisphthalonitrile composite material, and the wave-transparent rate of the high temperature resistant wave-transparent quartz fiber reinforced resin laminated plate of each of the embodiments is up to 90% or more, which is improved by 6% or more than the quartz fiber reinforced bisphthalonitrile composite material; moreover, by further regulating and controlling the thickness and the number of the quartz polyimide layers and the quartz phthalonitrile layers, the glass transition temperature of the high-temperature-resistant wave-transparent quartz fiber reinforced resin laminated plate in the embodiment 3 can reach over 540 ℃, and can be increased by 10-30% compared with that of a quartz fiber reinforced polyimide composite material.
In the high temperature resistant wave-transmitting quartz fiber reinforced resin laminated plate of each of the above examples, the thermal expansion coefficient of the thermosetting material of the quartz fiber reinforced bisphthalonitrile resin composite material is 3 × 10 -6 ～6×10 -6 The initial decomposition temperature is about 550 ℃ generally, and the long-term working temperature can reach 400 ℃. Therefore, the quartz fiber reinforced bisphthalonitrile composite material has excellent thermal oxygen stability, outstanding mechanical property at high temperature and good chemical stability.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (6)
1. A high-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board is characterized in that:
the device comprises a quartz polyimide layer and a quartz phthalonitrile layer which are arranged in a laminated connection mode; the quartz polyimide layer is a quartz fiber reinforced polyimide resin composite material layer; the quartz phthalonitrile layer is a quartz fiber reinforced bisphthalonitrile resin composite material layer; the quartz polyimide layers are at least two layers, and at least one quartz phthalonitrile layer is arranged between every two adjacent quartz polyimide layers.
2. The high temperature resistant wave-transparent quartz fiber reinforced resin laminate according to claim 1, characterized in that:
the thickness of the quartz polyimide layer is 1-2 mm.
3. The high temperature resistant wave-transparent quartz fiber reinforced resin laminate according to claim 1, characterized in that:
the thickness of the quartz phthalonitrile layer is 1-2 mm.
4. The high temperature resistant wave-transparent quartz fiber reinforced resin laminate according to claim 1, characterized in that:
the quartz polyimide layer is 2-3 layers in total.
5. The high temperature resistant wave-transparent quartz fiber reinforced resin laminate according to claim 1, characterized in that:
the quartz phthalonitrile layer is 1-3 layers in total.
6. The high temperature resistant wave-transparent quartz fiber reinforced resin laminate according to claim 1, characterized in that:
the layering angle of the quartz polyimide layer and the quartz phthalonitrile layer is 0 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220384871.8U CN217145210U (en) | 2022-02-24 | 2022-02-24 | High-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220384871.8U CN217145210U (en) | 2022-02-24 | 2022-02-24 | High-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board |
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| CN202220384871.8U Active CN217145210U (en) | 2022-02-24 | 2022-02-24 | High-temperature-resistant wave-transparent quartz fiber reinforced resin laminated board |
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