阅读说明：本技术 海岛飞机起落架及金属蒙皮防湿锈保护剂及其制备方法 (Damp and rust preventing protective agent for landing gear and metal skin of island aircraft and preparation method thereof ) 是由 章荣彬 邵宪明 徐耀春 施泽荣 于 2021-07-27 设计创作，主要内容包括：本发明属于海岛飞机起落架及金属蒙皮防湿锈保护剂及其制备方法,包括下述重量配比的原料：氧化地蜡2.0份、巴西棕榈蜡4.0份、75～(#)微晶蜡6.0份、硬脂蜡5.0份、二壬基萘磺酸钡2.0份、聚乙烯蜡2.0份、聚异丁烯(分子量6000)1.5份、聚合氯化铝4.0份、甲基丙烯酸1.5份、苯甲酸钠1.0份、乌洛托品1.0份。本发明抗老化,一次涂层300～350天,阳光下的开裂、粉化为0级。变色：为0级,为洗色透明液体。PH：7.1±0.154。相对密度：1.0±0.15。工作温度范围：-30～60℃,本发明产品无毒、无味,对使用者无不良影响,产品使用时清洗容易,形成的膜为硬膜,具有耐湿、耐热、耐盐碱性和润滑性。(The invention belongs to a wet rust prevention protective agent for landing gear and metal skin of island aircraft and a preparation method thereof, and the wet rust prevention protective agent comprises the following raw materials in parts by weight: 2.0 parts of oxidized ceresin, 4.0 parts of carnauba wax and 75 parts of # 6.0 parts of microcrystalline wax, 5.0 parts of hard wax, 2.0 parts of barium dinonylnaphthalenesulfonate, 2.0 parts of polyethylene wax, 1.5 parts of polyisobutylene (molecular weight 6000), 4.0 parts of polyaluminum chloride, 1.5 parts of methacrylic acid, 1.0 part of sodium benzoate and 1.0 part of urotropine. The invention has the advantages of anti-aging performance,the primary coating is cracked and pulverized in the sun for 300-350 days to 0 grade. Color change: is 0 grade, and is a washing color transparent liquid. pH: 7.1 + -0.154. Relative density: 1.0 + -0.15. Working temperature range: the temperature is-30-60 ℃, the product is nontoxic and tasteless, has no adverse effect on users, is easy to clean when in use, and the formed film is a hard film and has moisture resistance, heat resistance, saline-alkali resistance and lubricity.)

1. The wet rust preventing protective agent for the landing gear and the metal skin of the island aircraft is characterized by comprising the following raw materials in parts by weight: 1.5-2.5 parts of oxidized ceresin, 3.5-4.5 parts of carnauba wax and 75 parts of carnauba wax^#5.5 to 6.5 parts of microcrystalline wax, 4.5 to 5.5 parts of hard wax, 1.5 to 2.5 parts of barium dinonylnaphthalenesulfonate, 1.5 to 2.5 parts of polyethylene wax, 1 to 2 parts of polyisobutylene (molecular weight of 6000), 3.5 to 4.5 parts of polyaluminum chloride, 1 to 2.5 parts of methacrylic acid, 0.5 to 1.5 parts of sodium benzoate and 0.5 to 1.5 parts of urotropine And (4) portions are obtained.

2. The sea island aircraft landing gear and metal skin wet rust prevention protective agent according to claim 1, wherein the weight ratio of the raw materials is that oxidized ceresin 1.7-2.2 parts, carnauba wax 3.7-4.2 parts, 75 parts^#5.7-6.2 parts of microcrystalline wax, 4.7-5.2 parts of hard wax, 1.7-2.2 parts of barium dinonylnaphthalenesulfonate, 1.7-2.2 parts of polyethylene wax, 1.2-1.7 parts of polyisobutylene (with the molecular weight of 6000), 3.7-4.2 parts of polyaluminium chloride, 1.7-2.2 parts of methacrylic acid, 0.7-1.2 parts of sodium benzoate and 0.7-1.2 parts of urotropine.

3. The sea island aircraft landing gear and metal skin wet rust prevention protective agent according to claim 1, wherein the weight ratio of the raw materials is 2.0 parts of oxidized ceresin, 4.0 parts of carnauba wax, 75 parts of carnauba wax^#6.0 parts of microcrystalline wax, 5.0 parts of hard wax, 2.0 parts of barium dinonylnaphthalenesulfonate, 2.0 parts of polyethylene wax, 1.5 parts of polyisobutylene (molecular weight 6000), 4.0 parts of polyaluminum chloride, 1.5 parts of methacrylic acid, 1.0 part of sodium benzoate and 1.0 part of urotropine.

4. The island-in-the-sea aircraft landing gear and metal skin wet rust prevention protective agent of claim 1, 2 or 3, wherein: the raw materials also comprise 1-2 parts of nano silicon dioxide.

5. The island-in-the-sea aircraft landing gear and metal skin wet rust prevention protective agent of claim 1, 2 or 3, wherein: the raw material also comprises 1.5 parts of nano silicon dioxide.

6. A method for preparing the island-in-the-sea aircraft landing gear and metal skin wet rust preventive protective agent according to claim 1, 2 or 3, comprising the steps of:

(1) weighing Cera flava oxyda, carnauba wax, and 75^#Placing microcrystalline wax, hard paraffin and polyethylene wax into a reaction kettle, heating to 120-130 ℃ to form an oil phase, adding 3-4 g of emulsified beef tallow per 1000g, and stirringForming a cream-like substance;

(2) adding the polyaluminium chloride, the barium dinonylnaphthalene sulfonate, the methacrylic acid and the sodium benzoate in parts by weight into a proper amount of water, and heating to 85-90 ℃ to form a water phase substance;

(3) adding the water phase substance into the missible oil substance under stirring at a medium speed of 600r/min, and mixing and emulsifying at a temperature of 120-125 ℃ to obtain an emulsion;

(4) adding the urotropine and the nano silicon dioxide in parts by weight into the emulsion, continuously stirring uniformly, cooling and homogenizing to obtain a product;

(5) taking out the product, bottling and sealing to obtain the finished product.

7. The island-in-the-sea aircraft landing gear and metal skin wet rust prevention protective agent of claim 1, wherein: the polyaluminum chloride can be replaced with zinc phosphate.

Technical Field

The invention belongs to a wet rust prevention protective agent for landing gear and metal skin of island aircraft and a preparation method thereof.

Background

The airport is located in the weather with high humidity and salt content in the air, and the gap between the landing gear and the metal skin of the airplane is easy to corrode due to the natural factors of humidity, salt content and the like, so that the taking-off and landing, the fighting performance and the standing and training time of the airplane are influenced.

Disclosure of Invention

The invention aims to design a wet rust prevention protective agent for an undercarriage and a metal skin of an island aircraft and a preparation method thereof, so as to solve the problem that a gap between the undercarriage and the metal skin of the island aircraft is corroded due to natural factors such as humidity and salinity.

Therefore, the wet rust preventing protective agent for the landing gear and the metal skin of the island aircraft comprises the following raw materials in parts by weight: 1.5-2.5 parts of oxidized ceresin, 3.5-4.5 parts of carnauba wax and 75 parts of carnauba wax^#5.5-6.5 parts of microcrystalline wax, 4.5-5.5 parts of hard wax, 1.5-2.5 parts of barium dinonylnaphthalenesulfonate, 1.5-2.5 parts of polyethylene wax, 1-2 parts of polyisobutylene (with the molecular weight of 6000), 3.5-4.5 parts of polyaluminum chloride, 1-2.5 parts of methacrylic acid, 0.5-1.5 parts of sodium benzoate and 0.5-1.5 parts of urotropine.

As a preferred technical scheme, the wax comprises the following raw materials, by weight, 1.7-2.2 parts of oxidized ceresin, 3.7-4.2 parts of carnauba wax and 75 parts of carnauba wax^#5.7-6.2 parts of microcrystalline wax, 4.7-5.2 parts of hard wax, 1.7-2.2 parts of barium dinonylnaphthalenesulfonate, 1.7-2.2 parts of polyethylene wax, 1.2-1.7 parts of polyisobutylene (with the molecular weight of 6000), 3.7-4.2 parts of polyaluminium chloride, 1.7-2.2 parts of methacrylic acid, 0.7-1.2 parts of sodium benzoate and 0.7-1.2 parts of urotropine.

As a preferred technical scheme of the invention, the wax comprises the following raw materials, by weight, 2.0 parts of ozokerite, 4.0 parts of carnauba wax and 75 parts of carnauba wax^#6.0 parts of microcrystalline wax, 5.0 parts of hard wax, 2.0 parts of barium dinonylnaphthalenesulfonate, 2.0 parts of polyethylene wax, 1.5 parts of polyisobutylene (molecular weight 6000), 4.0 parts of polyaluminum chloride, 1.5 parts of methacrylic acid, 1.0 part of sodium benzoate and 1.0 part of urotropine.

As a preferable technical scheme of the invention, the raw material also comprises 1-2 parts of nano silicon dioxide.

As a preferable technical scheme of the invention, the raw material also comprises 1.5 parts of nano silicon dioxide

A method for preparing a wet rust preventing protective agent for landing gears and metal skins of island airplanes comprises the following steps:

(1) Weighing Cera flava oxyda, carnauba wax, and 75^#Placing microcrystalline wax, hard wax and polyethylene wax into a reaction kettle, heating to 120-130 ℃ to form an oil phase, adding 3-4 g of emulsified beef tallow per 1000g, and stirring to form a creamy substance;

(2) adding the polyaluminium chloride, the barium dinonylnaphthalene sulfonate, the methacrylic acid and the sodium benzoate in parts by weight into a proper amount of water, and heating to 85-90 ℃ to form a water phase substance;

(3) adding the water phase substance into the missible oil substance under stirring at a medium speed of 600r/min, and mixing and emulsifying at a temperature of 120-125 ℃ to obtain an emulsion;

(4) adding the urotropine and the nano silicon dioxide in parts by weight into the emulsion, continuously stirring uniformly, cooling and homogenizing to obtain a product;

(5) taking out the product, bottling and sealing to obtain the finished product.

As a preferred technical scheme of the invention, the polyaluminium chloride can be replaced by zinc phosphate.

The invention has the following specific advantages:

1. in islands and airports in inland salt lakes and marshes in regions around the seas, particularly, in a battleplane for transition training, the landing gear, the metal skin and gaps are easy to corrode due to natural factors such as humidity, salt and the like, so that the fighting performance and the standing training time of the battleplane are influenced. In view of the current situation, the fighter plane enters high-salt and high-humidity areas such as islands for standing and training, the standing and training time is short, and the fighter plane needs to be continuously alternated to avoid corrosion for a long time, so that the transition cost is increased, and the standing and training time is shortened. The invention is suitable for rust stains generated by salt penetration prevention of landing gear of island aircrafts, metal outer skins, metal outer surfaces of ships and warships and the like, and protects the body from being damaged by high salt and high humidity. The product of the invention is nontoxic and tasteless, has no adverse effect on users, is easy to clean when in use, and forms a hard film with moisture resistance, heat resistance, saline alkali resistance and lubricity.

The technical indexes of the invention are as follows: and ageing resistance, wherein the primary coating lasts for 300-350 days, and the cracking and pulverization under the sunlight are grade 0. Color change: is 0 grade, and is a washing color transparent liquid. pH: 7.1 + -0.154. Relative density: 1.0 + -0.15. Working temperature range: -30 to 60 ℃.

2. The invention has lower manufacturing and using cost and is safe. The invention has the advantages of simple manufacturing method, wide and easily obtained material sources, low material cost, easy carrying, easy long-term storage, convenient and safe use and no problems of easy volatilization, easy flammability and the like which are harmful to the safety of users.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, devices, equipments, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1: a wet rust-proof protective agent for landing gear and metal skin of island aircraft comprises: comprises the following raw materials in parts by weight: 2kg of ceresin oxide, 4kg of carnauba wax and 75 kg of carnauba wax^#6kg of microcrystalline wax, 5kg of hard wax, 2kg of barium dinonylnaphthalenesulfonate, 2kg of polyethylene wax, 1.5kg of polyisobutene (molecular weight 6000), 4kg of polyaluminum chloride, 1.5kg of methacrylic acid, 1kg of sodium benzoate, 1kg of urotropine and 1.5kg of nano silicon dioxide.

The preparation method comprises the following steps: taking 2kg of ceresin oxide and 4kg and 75 kg of carnauba wax^#Placing 6kg of microcrystalline wax, 5kg of hard paraffin and 2kg of polyethylene wax into a reaction kettle, heating to 120-130 ℃ to form an oil phase, adding 3-4 g of emulsified beef tallow per 1000g of the emulsified beef tallow, and stirring to form a creamy substance; adding 4k of polyaluminium chloride, 2kg of barium dinonylnaphthalenesulfonate, 1.5kg of methacrylic acid and 1kg of sodium benzoate into 10kg of water, heating to 85-90 ℃ to form a water phase substance; adding the water phase substance into the missible oil substance under stirring at a medium speed of 600r/min, and mixing and emulsifying at a temperature of 120-125 ℃ to obtain an emulsion; adding 1kg of urotropine and 1.5kg of nano silicon dioxide into the emulsion, continuously stirring uniformly, cooling and homogenizing to obtain a product; taking out the product, bottling and sealing to obtain the finished product.

The polyaluminum chloride can be replaced with zinc phosphate.

When in use, the finished product of the invention is smeared between the undercarriage of a fighter plane, the metal skin and the gap for 2-3 times to carry out covering. After 300-350 days of the primary coating, detecting: cracking and powdering under sunlight are grade 0; no corrosion points exist among the undercarriage, the metal skin and the gap under the coating.

Example 2: the difference from example 1 is: the composite material comprises the following raw materials in parts by weight: 2.5 parts of oxidized ceresin, 3.5 parts of carnauba wax and 75 parts of^#6.5 parts of microcrystalline wax, 4.5 parts of hard wax, 2.5 parts of barium dinonylnaphthalenesulfonate, 1.5 parts of polyethylene wax, 1 part of polyisobutylene (molecular weight of 6000), 4.5 parts of polyaluminum chloride, 1 part of methacrylic acid, 1.5 parts of sodium benzoate, 1.5 parts of urotropin, nano-oxidized paraffinSilicon 1.8 parts.

The procedure was as in example 1.

Example 3: the difference from example 2 is: the composite material comprises the following raw materials in parts by weight: 1.5 parts of oxidized ceresin, 4.5 parts of carnauba wax and 75 parts of^#5.5 parts of microcrystalline wax, 5.5 parts of hard wax, 1.7 parts of barium dinonylnaphthalenesulfonate, 2.5 parts of polyethylene wax, 2 parts of polyisobutylene (molecular weight 6000), 3.5 parts of polyaluminum chloride, 2 parts of methacrylic acid, 1.2 parts of sodium benzoate, 0.8 part of urotropin and 2 parts of nano silicon dioxide.

The preparation method and the using method are the same as the example 2.

The following properties of the products obtained in the three examples were measured, and the results were:

1. acid resistance: no change (soaking 25% H)₂SO₄ And is more than or equal to 8 months)

2. Alkali resistance: no change (soaking 15% NaOH, 120 h)

3. Water resistance: no change (soaking for more than or equal to 4 months)

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.