CN114507470A - Preparation method of infrared stealth bulletproof plate and infrared stealth bulletproof plate - Google Patents
Preparation method of infrared stealth bulletproof plate and infrared stealth bulletproof plate Download PDFInfo
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- CN114507470A CN114507470A CN202210283899.7A CN202210283899A CN114507470A CN 114507470 A CN114507470 A CN 114507470A CN 202210283899 A CN202210283899 A CN 202210283899A CN 114507470 A CN114507470 A CN 114507470A
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- Prior art keywords
- bulletproof plate
- infrared stealth
- stirring
- solid powder
- coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/164—Aluminum halide, e.g. aluminium chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of armor plates, and particularly relates to a preparation method of an armor plate with an infrared stealth function and the armor plate, which comprises the following steps of uniformly mixing zinc acetate, ethanolamine, permanganate and ethanol, then mixing with lanthanum chloride, aluminum chloride, nitrate and hydrochloric acid solution, heating for reflux, cooling, then pressurizing and stirring, and then calcining to obtain solid powder; then adding the solid powder into the waterborne polyurethane resin, and stirring to obtain a coating; coating the coating on the surface of the bulletproof plate to obtain the bulletproof plate with the infrared stealth function; the infrared stealth effect of the bulletproof plate can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of armor plates, and particularly relates to a preparation method of an infrared stealth armor and the infrared stealth armor.
Background
The materials with infrared stealth function are generally classified into non-running-in coatings, the coatings generally consist of fillers, binders and additives, the fillers generally comprise three types, namely metal, semiconductor and coloring pigment, the metal fillers are mainly used for reducing the infrared radiation emissivity, the main materials are metals, including aluminum, copper, zinc, nickel and reduced iron, and metal oxides, including bismuth oxide and Cr2O3、V2O3、Sb2O3、In2O3And ZnO, semiconductors, including ATO, ITO, ZAO, ZnS, but metal fillers are detrimental to radar stealth.
For the preparation of the coating, the coating is generally prepared by directly mixing the filler, the organic solvent and the binder, for example, CN106867382A discloses a laser-infrared compatible stealth coating and a preparation method thereof, and the preparation method directly adopts the mixing of the filler, the organic solvent and the binder.
Disclosure of Invention
The invention aims to provide a preparation method of an infrared stealth bulletproof plate and the infrared stealth bulletproof plate, and effectively improve the infrared stealth effect of the bulletproof plate.
The invention relates to a method for preparing an infrared stealth bulletproof plate, which comprises the following steps,
mixing lanthanum chloride, aluminum chloride, ammonium polyphosphate and ethanol, heating, stirring, heating for refluxing, cooling after the heating, pressurizing, stirring and calcining to obtain solid powder; grinding the solid powder, adding the ground solid powder into aqueous polyurethane resin, and stirring to obtain a coating; and (3) coating the coating on the surface of the bulletproof plate to obtain the bulletproof plate with the infrared stealth function.
Preferably, the weight ratio of lanthanum chloride, aluminum chloride, ammonium polyphosphate and ethanol is 1: 1: 2.3: 1000.
preferably, the temperature after heating and before stirring is 55-60 ℃; the rotation speed of the stirring is 450-500 r/min.
Preferably, the temperature of heating reflux is 100 ℃; the temperature after cooling is 40-45 ℃.
Preferably, the pressure value of the pressure stirring is 10-12MPa, and the stirring speed of the pressure stirring is 50-60 r/min.
Preferably, the temperature of calcination is 1000-.
Preferably, the grinding method is to mix the solid powder and water with the weight ratio of the solid powder to the water being 1:3-4, then mix the solid powder and the water with the grinding fluid, grind the mixture at the speed of 1700-2000r/min to obtain the ground solid powder.
Preferably, the grinding fluid is a mixture of pickaxel beads, sodium hexametaphosphate and water, and the weight ratio of the pickaxel beads to the sodium hexametaphosphate to the water is 20: 1: 50.
preferably, the solid content of the aqueous polyurethane resin is 40-45%, the pH value is 7-9, and the weight ratio of the solid powder to the aqueous polyurethane resin is 1: 7-8.
The invention provides an infrared stealth bulletproof plate which is prepared by adopting the preparation method.
The method has the advantages of simple process, easy operation and high efficiency, and the bulletproof plate prepared by the method has the infrared emissivity within the range of 0.6-0.65 and can achieve better level performance.
Detailed Description
Example 1
A preparation method of an infrared stealth bulletproof plate comprises the following steps,
1. weighing a certain amount of LaCl3·6H20、ALCl3·6H20. Putting APP (ammonium polyphosphate) and absolute ethyl alcohol into a reaction kettle, heating the reaction kettle to 55 ℃, stirring for 2.5 hours at a speed of 500r/min, heating to 100 ℃, and keeping 100 ℃ for refluxing for 1 hour; after the reflux is finished, cooling to 45 ℃, pressurizing and stirring for 50 minutes (the pressure reaches 10Mpa, the stirring speed is 60r/min), and adding N into the reaction kettle2Calcining under protection, heating to 1100 ℃ within 1h, and then preserving heat for 3h to obtain white solid powder;
LaCl3·6H20：AlC13·6H2o: APP (ammonium polyphosphate): the weight ratio of the absolute ethyl alcohol is 1: 1: 2.3: 1000.
2. mixing the obtained solid powder with water, wherein the weight ratio of the solid powder to the water is 1: 4; preparing pickaxe beads (diameter is 0.1mm), sodium hexametaphosphate and water into sanding liquid; the weight ratio of the pickaxel beads to the sodium hexametaphosphate to the water is 20: 1: 50, then grinding for 7 hours in a sand mill at the speed of 2000r/min to obtain white solid powder;
3. white powder was added to an aqueous polyurethane resin (solid content range 40%, pH range 8), white powder: the mass ratio of the waterborne polyurethane resin is 1:7, stirring for 55 minutes at the speed of 30r/min to prepare a coating solution;
4. and (3) coating the coating solution on the surface of the bulletproof plate, wherein the thickness is 560 microns, and naturally airing for 24 hours to obtain the infrared stealth bulletproof plate.
The infrared emissivity of the infrared stealth bulletproof plate is 0.60.
Example 2
A preparation method of an infrared stealth bulletproof plate comprises the following steps,
1. weighing a certain amount of LaCl3·6H20、ALCl3·6H20. Putting APP (ammonium polyphosphate) and absolute ethyl alcohol into a reaction kettle, heating the reaction kettle to 60 ℃, stirring for 2.5 hours at a speed of 450r/min, heating to 100 ℃, and keeping 100 ℃ for refluxing for 1 hour; after the reflux is finished, cooling to 40 ℃, pressurizing and stirring for 60 minutes (the pressure reaches 12Mpa, the stirring speed is 50r/min), and adding N into the reaction kettle2Calcining under protection, heating to 1110 ℃ within 1.5h, and then preserving heat for 3h to obtain white solid powder;
LaCl3·6H20：AlC13·6H2o: APP (ammonium polyphosphate): the weight ratio of the absolute ethyl alcohol is 1: 1: 2.3: 1000.
2. mixing the obtained solid powder with water, wherein the weight ratio of the solid powder to the water is 1: 3; preparing pickaxe beads (diameter is 0.1mm), sodium hexametaphosphate and water into sanding liquid; the weight ratio of the pickaxel beads to the sodium hexametaphosphate to the water is 20: 1: 50, then grinding for 7.5 hours in a sand mill at the speed of 1700r/min to obtain white solid powder;
3. white powder was added to an aqueous polyurethane resin (solid content range 45%, pH range 9), white powder: the mass ratio of the waterborne polyurethane resin is 1: 8, stirring for 50 minutes at the speed of 35r/min to prepare a coating solution;
4. and (3) coating the coating solution on the surface of the bulletproof plate, wherein the thickness is 565 mu m, and naturally airing for 24h to obtain the infrared stealth bulletproof plate.
The infrared emissivity of the infrared stealth bulletproof plate is 0.65.
Comparative example 1
Compared with example 1, the difference is that: lanthanum oxide and alumina were mixed directly in a weight ratio of 1/353.36:1/241.43, i.e. 0.62:0.91, to give a solid powder, which was then milled according to step 2. The other steps may be the same as those in embodiment 1.
The infrared emissivity of the infrared stealth bulletproof plate is 0.73.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to imply that the scope of the application is limited to these examples; within the context of the present application, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments in the present application as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present application cover all such alternatives, modifications, and variations as fall within the broad scope of the present application. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present application are intended to be included within the scope of the present application.
Claims (10)
1. A preparation method of an infrared stealth bulletproof plate is characterized by comprising the following steps,
mixing lanthanum chloride, aluminum chloride, ammonium polyphosphate and ethanol, heating, stirring, heating for refluxing, cooling after the heating, pressurizing, stirring and calcining to obtain solid powder; grinding the solid powder, adding the ground solid powder into aqueous polyurethane resin, and stirring to obtain a coating; and (3) coating the coating on the surface of the bulletproof plate to obtain the bulletproof plate with the infrared stealth function.
2. The method according to claim 1, wherein the weight ratio of lanthanum chloride, aluminum chloride, ammonium polyphosphate and ethanol is 1: 1: 2.3: 1000.
3. the process according to claim 1, wherein the temperature after the temperature elevation and before the stirring is 55 to 60 ℃; the rotation speed of the stirring is 450-500 r/min.
4. The method according to claim 1, wherein the temperature of the reflux is 100 ℃; the temperature after cooling is 40-45 ℃.
5. The process according to claim 1, wherein the pressure of the pressure agitation is 10 to 12MPa and the rotation speed of the pressure agitation is 50 to 60 r/min.
6. The process as claimed in claim 1, wherein the calcination temperature is 1000-1100 ℃.
7. The process according to any one of claims 1 to 6, wherein the grinding is carried out by mixing the solid powder with water in a weight ratio of 1:3-4, then mixing the mixture with a grinding fluid, and grinding at a speed of 1700-2000r/min to obtain the ground solid powder.
8. The method for preparing the grinding fluid as claimed in claim 7, wherein the grinding fluid is a mixture of pickaxel beads, sodium hexametaphosphate and water, and the weight ratio of the pickaxel beads to the sodium hexametaphosphate to the water is 20: 1: 50.
9. the process according to any one of claims 1 to 6, wherein the aqueous polyurethane resin has a solid content of 40 to 45%, a pH of 7 to 9, and a weight ratio of the solid powder to the aqueous polyurethane resin is 1:7 to 8.
10. An infrared stealth bulletproof plate, which is characterized in that the infrared stealth bulletproof plate is prepared by the preparation method according to claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210283899.7A CN114507470A (en) | 2022-03-22 | 2022-03-22 | Preparation method of infrared stealth bulletproof plate and infrared stealth bulletproof plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210283899.7A CN114507470A (en) | 2022-03-22 | 2022-03-22 | Preparation method of infrared stealth bulletproof plate and infrared stealth bulletproof plate |
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| CN114507470A true CN114507470A (en) | 2022-05-17 |
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| CN202210283899.7A Pending CN114507470A (en) | 2022-03-22 | 2022-03-22 | Preparation method of infrared stealth bulletproof plate and infrared stealth bulletproof plate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925050A (en) * | 2012-11-15 | 2013-02-13 | 安徽理工大学 | Method for preparing water-based infrared-laser composite stealthy coating |
| CN104215130A (en) * | 2014-09-16 | 2014-12-17 | 山东大学 | Multifunctional composite material armor plate and preparation method thereof |
| CN109135531A (en) * | 2018-07-19 | 2019-01-04 | 南昌航空大学 | A kind of rare earth mixing with nano tin indium oxide infrared stealth coating |
| CN112341926A (en) * | 2020-11-27 | 2021-02-09 | 董宪金 | Infrared stealth textile coating and preparation method thereof |
-
2022
- 2022-03-22 CN CN202210283899.7A patent/CN114507470A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925050A (en) * | 2012-11-15 | 2013-02-13 | 安徽理工大学 | Method for preparing water-based infrared-laser composite stealthy coating |
| CN104215130A (en) * | 2014-09-16 | 2014-12-17 | 山东大学 | Multifunctional composite material armor plate and preparation method thereof |
| CN109135531A (en) * | 2018-07-19 | 2019-01-04 | 南昌航空大学 | A kind of rare earth mixing with nano tin indium oxide infrared stealth coating |
| CN112341926A (en) * | 2020-11-27 | 2021-02-09 | 董宪金 | Infrared stealth textile coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 江文杰等: "铝镧共掺杂的氧化锌红外隐身涂料在帐篷织物上的应用", 《应用化学》 * |
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