CN109629247B - Doppler camouflage net and manufacturing method thereof - Google Patents

Abstract

The invention relates to the technical field of composite materials and preparation thereof, in particular to a composite material which can absorb electromagnetic waves and has good mechanical properties and a preparation method thereof, and particularly relates to a manufacturing method of a Doppler camouflage net. The invention is weaved by macromolecule terylene fiber thread coated with impedance layer; the outer part of the camouflage net is coated with a camouflage composite layer; the diameter of the high molecular polyester fiber yarn is 1-5 mm; the resistance layer is a polyurethane resistance layer; is a mixture consisting of 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black; the camouflage composite layer comprises the following components in sequence from inside to outside: a shaping layer, a camouflage layer and a stealth layer. The technical scheme of the invention solves the problems that the existing camouflage net in the prior art is only simple in color camouflage, can only realize general desert, forest and snow camouflage and has no electromagnetic wave absorption and infrared stealth functions.

Description

Doppler camouflage net and manufacturing method thereof

Technical Field

The invention relates to the technical field of composite materials and preparation thereof, in particular to a composite material which can absorb electromagnetic waves and has good mechanical properties and a preparation method thereof, and particularly relates to a manufacturing method of a Doppler camouflage net.

Background

The composite material is a multi-phase solid material formed by combining two or more substances with different physical or chemical properties; because of 'make up for deficiencies of each component' and 'synergistic effect', the composite material overcomes the defect of a single material, and can be widely applied to various fields of aerospace, transportation, chemical industry, electrical industry, mechanical industry, building industry, sports goods, daily necessities and the like.

The military camouflage engineering is provided with a plurality of camouflage nets, one camouflage net is adopted, the visible light and radar wave reconnaissance and the near infrared reconnaissance can be resisted, the base material is woven by high polymer monofilaments, two different camouflage patterns are provided, and the military camouflage engineering can adapt to different backgrounds in two seasons and three seasons in most areas of China.

The existing camouflage net has the problem that the existing camouflage net does not have the functions of absorbing electromagnetic waves and hiding infrared rays and cannot meet the requirements of the electronic warfare at present.

Aiming at the problems in the prior art, a novel Doppler camouflage net and a manufacturing method thereof are researched and designed, so that the problems in the prior art are very necessary to be overcome.

Disclosure of Invention

According to the proposal, the existing camouflage net is only purely colorful camouflage, can only realize general desert, forest and snow camouflage, and has no technical problem of electromagnetic wave absorption and infrared stealth function, thereby providing the Doppler camouflage net and the manufacturing method thereof. The invention mainly adopts various processes to compound radar wave absorbing materials, near-infrared stealth materials and visible light stealth materials into a whole, designs the materials into a net structure, and impregnates or sprays epoxy resin with high tensile strength on the surface of a substrate for shaping, ITO powder with low emissivity, infrared transparent unsaturated olefin resin and powder with various colors, thereby achieving the purposes of enhancing the mechanical property, having excellent radar wave stealth performance, being suitable for the appearances of products in forests, deserts, snowfields and the like similar to common plastic nets, and having basically consistent appearance and surrounding landscape colors after pavement.

The technical means adopted by the invention are as follows:

a Doppler camouflage net is characterized in that the camouflage net is woven by polymer polyester fiber yarns (1) coated with a resistance layer (2); the outer part of the camouflage net is coated with a camouflage composite layer.

Furthermore, the diameter of the polymer polyester fiber thread (1) is 1-5 mm.

Further, the resistance layer (2) is a polyurethane resistance layer; is a mixture composed of 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black.

Further, the camouflage composite layer sequentially comprises from inside to outside: a shaping layer (3), a camouflage layer (4) and a stealth layer (5);

further, the shaping layer (3) is a high-molecular glue layer, and the camouflage layer (3) is shaped through the high-molecular glue; the shaping layer (4) is a mixture consisting of 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent;

further, the camouflage layer (4) is a visible light camouflage coating, and the color of the coating is forest, desert or snowfield color; is a mixture consisting of 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide;

further, the stealth layer (5) is a transparent infrared stealth layer and is a mixture consisting of 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide.

Further, the manufacturing method of the composite network cable for compiling the Doppler camouflage net is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating of the resistance layer (2): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black to obtain a coating mixture of the impedance layer (2);

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn (1) in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, then taking out the coating and drying the coating for at least 30 minutes at 70 +/-5 ℃ to ensure that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer (3) coating: mixing and stirring uniformly 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent to obtain a coating mixture of the shaping layer (3);

F. preparation of the coating of the camouflage layer (4): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide to obtain a coating mixture of the camouflage layer (4);

G. preparing the stealth layer (5) coating: mixing and stirring 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide to obtain a coating mixture of the stealth layer (5);

H. d, soaking the net woven in the step D in the shaping layer (3) obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer (4) obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. spraying the coating mixture of the stealth layer (5) obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours at the temperature of 25 +/-2 ℃;

compared with the prior art, the invention has the following advantages:

1. the Doppler camouflage net provided by the invention has good mechanical property, tensile strength and abrasion resistance through dipping and spraying the impedance layer.

2. The Doppler camouflage net provided by the invention has good radar wave absorption performance through dipping and spraying the camouflage layer.

3. The Doppler camouflage net provided by the invention has good adaptability through dipping and spraying the camouflage layer, and is suitable for camouflage of various landforms in mountainous areas, grasslands, deserts, snowfields and the like.

4. The Doppler camouflage net provided by the invention is formed by impregnating and spraying the stealth layer. Has good visible light camouflage performance and near-far infrared stealth performance.

5. The preparation method of the composite material is simple and convenient, convenient to operate, good in economic benefit and very suitable for industrial production.

In conclusion, the technical scheme of the invention solves the problems that the existing camouflage net in the prior art is only purely colorful camouflage, can only realize general desert, forest and snow camouflage and has no electromagnetic wave absorption and infrared stealth functions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a camouflage net structure of the present invention.

FIG. 2 is a schematic structural diagram of an impedance layer applied before the polymer polyester fiber yarn is knitted.

FIG. 3 is a schematic structural diagram of the polymer polyester fiber yarns after being knitted and coated with various coatings.

In the figure: 1. the high polymer polyester fiber yarn comprises a high polymer polyester fiber yarn 2, an impedance layer 3, a shaping layer 4, a camouflage layer 5 and a stealth layer.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the figure, the invention provides a Doppler camouflage net, which is characterized in that the camouflage net is woven by polymer polyester fiber yarns 1 coated with impedance layers 2; the outer part of the camouflage net is coated with a camouflage composite layer.

The diameter of the polymer polyester fiber thread 1 is 1-5 mm.

The resistance layer 2 is a polyurethane resistance layer; is a mixture composed of 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black.

The camouflage composite layer comprises the following components in sequence from inside to outside: a shaping layer 3, a camouflage layer 4 and a stealth layer 5;

the shaping layer 3 is a high-molecular glue layer, and the camouflage layer 3 is shaped through the high-molecular glue; the shaping layer 4 is a mixture consisting of 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent;

the camouflage layer 4 is a visible light camouflage coating, and the color of the coating is forest, desert or snowfield color; is a mixture consisting of 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide;

the stealth layer 5 is a transparent infrared stealth layer and is a mixture composed of 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide.

The manufacturing method of the composite network cable for compiling the Doppler camouflage net is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating of the resistance layer (2): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black to obtain a coating mixture of the impedance layer (2);

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn (1) in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, then taking out the coating and drying the coating for at least 30 minutes at 70 +/-5 ℃ to ensure that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer (3) coating: mixing and stirring uniformly 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent to obtain a coating mixture of the shaping layer (3);

F. preparation of the coating of the camouflage layer (4): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide to obtain a coating mixture of the camouflage layer (4);

G. preparing the stealth layer (5) coating: mixing and stirring 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide to obtain a coating mixture of the stealth layer (5);

H. d, soaking the net woven in the step D in the shaping layer (3) obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer (4) obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. spraying the coating mixture of the stealth layer (5) obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours at the temperature of 25 +/-2 ℃;

example 1

The invention provides a manufacturing method of a composite network cable for compiling a Doppler camouflage net, which is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating for the resistance layer 2: mixing and stirring 75 parts of polyurethane resin, 15 parts of graphite powder and 10 parts of conductive carbon black to obtain a coating mixture of the impedance layer 2;

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn 1 in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, taking out the coating, drying the coating for at least 30 minutes at 70 +/-5 ℃, ensuring that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer 3 coating: mixing and stirring 80 parts of epoxy resin, 10 parts of KH-550, 5 parts of fumed silica and 5 parts of toughening agent uniformly to obtain a coating mixture of the shaping layer 3;

F. preparation of the camouflage layer 4 coating: mixing and stirring 80 parts of polyurethane resin and 20 parts of green pigment to obtain a coating mixture of the camouflage layer 4;

G. preparing the stealth layer 5 coating: mixing 80 parts of unsaturated olefin resin and 20 parts of indium tin oxide, stirring, and grinding to the fineness of 1 micrometer to obtain a coating mixture of the stealth layer 5;

H. d, soaking the net woven in the step D in the shaping layer 3 obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer 4 obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. spraying the coating mixture of the stealth layer 5 obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours at the temperature of 25 +/-2 ℃;

as a result: the visible toner is adjusted, the product is a green camouflage net, and the radar camouflage net has good radar, infrared camouflage effect and visible camouflage effect when being used in areas such as forest lands, grasslands and the like.

Example 2

The invention also provides a manufacturing method of the composite network cable for compiling the Doppler camouflage net, which is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating for the resistance layer 2: 80 parts of polyurethane resin and 20 parts of graphite powder are taken to obtain a coating mixture of the impedance layer 2;

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn 1 in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, taking out the coating, drying the coating for at least 30 minutes at 70 +/-5 ℃, ensuring that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer 3 coating: mixing and stirring 80 parts of epoxy resin, 4 parts of KH-550, 6 parts of fumed silica and 10 parts of toughening agent uniformly to obtain a coating mixture of the shaping layer 3;

F. preparation of the camouflage layer 4 coating: mixing and stirring 80 parts of polyurethane resin and 20 parts of yellow pigment to obtain a coating mixture of the camouflage layer (4);

G. preparing the stealth layer (5) coating: mixing 75 parts of unsaturated olefin resin and 25 parts of indium tin oxide, stirring, and grinding to the fineness of 1 micrometer to obtain a coating mixture of the stealth layer 5;

H. d, soaking the net woven in the step D in the shaping layer 3 obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer (4) obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. spraying the coating mixture of the stealth layer (5) obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours at the temperature of 25 +/-2 ℃;

as a result: the product is a yellow camouflage net which is suitable for desert camouflage by adjusting visible toner, and the product has better performance in areas with high radar wave stealth requirements by adjusting the impedance of the product.

Example 3

The invention also provides a manufacturing method of the composite network cable for compiling the Doppler camouflage net, which is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating of the resistance layer (2): mixing and stirring 80 parts of polyurethane resin, 15 parts of graphite powder and 5 parts of conductive carbon black to obtain a coating mixture of the impedance layer 2;

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn (1) in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, then taking out the coating and drying the coating for at least 30 minutes at 70 +/-5 ℃ to ensure that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer 3 coating: mixing and stirring uniformly 70 parts of epoxy resin, 4 parts of KH-550, 10 parts of fumed silica and 16 parts of a toughening agent to obtain a coating mixture of the shaping layer 3;

F. preparation of the camouflage layer 4 coating: mixing and stirring 80 parts of polyurethane resin and 20 parts of titanium dioxide to obtain a coating mixture of the camouflage layer 4;

G. preparing the stealth layer 5 coating: mixing 75 parts of unsaturated olefin resin and 25 parts of indium tin oxide, stirring, and grinding to the fineness of 1 micrometer to obtain a coating mixture of the stealth layer 5;

H. d, soaking the net woven in the step D in the shaping layer 3 obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer 4 obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. spraying the coating mixture of the stealth layer 5 obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours at the temperature of 25 +/-2 ℃;

as a result: the visible light toner is adjusted, the product is a white camouflage net and is suitable for snowfield camouflage, the proportion of the epoxy resin and the toughening agent of the product is adjusted, and the tear strength and the tensile strength of the product are improved. The performance is more excellent in the region with high physical property requirement.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. A Doppler camouflage net is woven by polymer polyester fiber yarns (1) coated with a resistance layer (2); the outer part of the camouflage net is coated with a camouflage composite layer; the method is characterized in that:

the resistance layer (2) is a polyurethane resistance layer; is a mixture consisting of 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black;

the camouflage composite layer comprises the following components in sequence from inside to outside: a shaping layer (3), a camouflage layer (4) and a stealth layer (5);

the shaping layer (3) is a polymer adhesive layer, and the camouflage layer (4) is shaped through the polymer adhesive; the shaping layer (3) is a mixture consisting of 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent;

the camouflage layer (4) is a visible light camouflage coating, and the color of the coating is forest or desert color; is a mixture consisting of 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide;

the stealth layer (5) is a transparent infrared stealth layer and is a mixture consisting of 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide.

2. Doppler camouflage net according to claim 1, wherein the diameter of said polymer polyester fiber thread (1) is 1-5 mm.

3. A manufacturing method of a Doppler camouflage net is characterized by comprising the following steps: manufacturing a network cable and a camouflage network;

firstly, the manufacturing steps of the net wire are as follows:

A. preparation of the coating of the resistance layer (2): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of graphite powder and 10-80 parts of conductive carbon black to obtain a coating mixture of the impedance layer (2);

B. grinding: grinding the coating mixture obtained in the step A to obtain a mixture with the fineness of 1-5 microns;

C. processing the net wire: b, soaking the high-molecular polyester fiber yarn (1) in the mixture obtained in the step B for 1 minute, controlling the thickness of the coating to be 50 millimeters through the viscosity of the coating, then taking out the coating and drying the coating for at least 30 minutes at 70 +/-5 ℃ to ensure that the coating is completely dried, and scraping the coating after curing without falling off;

secondly, the manufacturing steps of the camouflage net are as follows:

D. weaving the net wires obtained in the step C into nets;

E. preparing a sizing layer (3) coating: mixing and stirring uniformly 10-80 parts of epoxy resin, 0-10 parts of KH-550, 0-10 parts of fumed silica and 0-10 parts of toughening agent to obtain a coating mixture of the shaping layer (3);

F. preparation of the coating of the camouflage layer (4): mixing and stirring 10-80 parts of polyurethane resin, 10-80 parts of green pigment, 10-80 parts of yellow pigment and 10-80 parts of titanium dioxide to obtain a coating mixture of the camouflage layer (4);

G. preparing the stealth layer (5) coating: mixing and stirring 20-80 parts of unsaturated olefin resin and 20-80 parts of indium tin oxide to obtain a coating mixture of the stealth layer (5);

H. d, soaking the net woven in the step D in the shaping layer (3) obtained in the step E for 30 minutes, and then curing and shaping for 2 hours at the temperature of 100 ℃;

I. spraying the coating mixture of the camouflage layer (4) obtained in the step F on the surface of the net obtained in the step H, and curing for 30 minutes at the temperature of 70 +/-5 ℃;

J. and (3) spraying the coating mixture of the stealth layer (5) obtained in the step G on the surface of the net obtained in the step I, and curing for 24 hours in an environment of 25 +/-2 ℃.

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