CN108008471B

CN108008471B - Waterproof meteorological balloon and production method thereof

Info

Publication number: CN108008471B
Application number: CN201711248304.XA
Authority: CN
Inventors: 郭平; 邹斌
Original assignee: Zhuzhou Rubber Research and Design Institute Co Ltd of Chemchina
Current assignee: Zhuzhou Rubber Research and Design Institute Co Ltd of Chemchina
Priority date: 2017-12-01
Filing date: 2017-12-01
Publication date: 2020-08-07
Anticipated expiration: 2037-12-01
Also published as: CN108008471A

Abstract

The invention relates to a waterproof meteorological balloon and a production method thereof. The meteorological balloon includes the balloon base member and coats in the hydrophobic membrane on balloon base member surface, the composition of hydrophobic membrane includes: 8.5-11.5 parts of hydrophobic main agent, 1-3 parts of solubilizer, 0.1-0.3 part of organic film-forming agent and 85.2-90.4 parts of water; the hydrophobic main agent is one or a compound of an organic silicon hydrophobic agent and an organic fluorine hydrophobic agent. The meteorological balloon is prepared with a layer of molecular film or even nano film which can play a role of hydrophobicity on the surface of the balloon through necessary procedures by using a synthetic material with a hydrophobic function, and when the meteorological balloon is applied in rainy days or in the weather with high humidity, the molecular film or even the nano film immediately forms beads and is quickly dispersed and discharged, so that the problem that the meteorological balloon is applied in the rainy days or the weather with high humidity, ice accretion occurs due to surface water absorption, and further embrittlement is accelerated and early explosion cannot meet the requirement of service height is solved.

Description

Waterproof meteorological balloon and production method thereof

Technical Field

The invention relates to a delivery vehicle for detecting air weather and a production method thereof, in particular to a waterproof weather balloon and a production method thereof.

Background

The meteorological balloon is a most convenient and economic delivery vehicle which carries a sounding instrument to detect meteorological elements (temperature, humidity, wind direction, wind power, air pressure and the like) in the air, and is widely applied to the fields of aviation, aerospace, navigation, battle, military scientific research and the like.

The meteorological balloon made of natural latex as a main raw material has water absorption, and the balloon skin swells after the balloon absorbs water, so that the water absorption rate is about 20%. The balloon is released in rainy weather, except that the load is increased, the effective load is reduced and the raising speed is reduced, the balloon is more disadvantageous in that water drops in the atmosphere are met in the flying process, the water drops are absorbed by the balloon skin immediately, the balloon flies to an area with zero atmospheric temperature, the balloon skin naturally accumulates ice, the balloon continuously flies, the balloon skin gradually changes to a glass state along with further reduction of the atmospheric temperature to generate embrittlement, the balloon flies to an atmosphere temperature extremely low troposphere, the original good expansibility is completely lost, the atmospheric temperature rises after the balloon passes through the troposphere, the balloon skin per se needs to recover to an original good elastic state from the glass state as soon as possible, once the balloon skin cannot complete the change from the glass state to the elasticity, the balloon inevitably explodes in a short distance after passing through the atmosphere temperature extremely low area, and cannot fly to the limit altitude. The balloon which is applied in the daytime and sunny days is subjected to bright and glowing sun after passing through the cloud cover and the high humidity layer, and the elasticity of the ball cover can be recovered as soon as possible even if the ball cover is accumulated with ice. However, in rainy days or at night, the elasticity of the skin of the balloon is not easy to recover under the action of no sunlight, and particularly in the weather that the higher the high humidity layer is and the lower the temperature of the troposphere is, the possibility that the skin of the balloon loses the elasticity recovery almost completely is high, and the probability that the balloon explodes in the area near the height of the troposphere is higher. The water absorption of the balloon is the main reason for the substandard height of the balloon.

Chinese patent publication No. CN102508320A discloses a high-altitude balloon with a waterproof protective layer and a processing method thereof, which improves the waterproof performance of a weather sounding balloon by coating an oil coating on the outer surface of the existing weather sounding balloon, and increases the discharge height of the weather balloon in rainy and humid weather environments, but has the following disadvantages: the oil substances can be absorbed by the balloon in a large amount, so that the weight of the balloon is increased, the effective load is reduced, the ascending height of the balloon is extremely adverse, and the physical and mechanical properties of the balloon such as stretching, blasting and anti-aging properties can be adversely affected after the material is absorbed by the balloon; in addition, the coating has limited hydrophobicity, cumbersome operation and limited practicality.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects and shortcomings in the background technology, and provide a waterproof meteorological balloon, wherein the meteorological balloon utilizes some synthetic materials with hydrophobic function, a layer of molecular film or even nano film which can play a hydrophobic role is prepared on the surface of the balloon through necessary working procedures, when the applied balloon meets water, beads are formed immediately and are quickly dispersed and discharged, and therefore the problem that the meteorological balloon applied in rainy days or humid days has ice accumulation due to surface water absorption, further has accelerated embrittlement and is exploded in advance, and can not meet the requirement of service height is solved.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the utility model provides a waterproof meteorological balloon, meteorological balloon includes the balloon base member and coats in the hydrophobic membrane of balloon base member surface, the composition of hydrophobic membrane includes: 8.5 to 11.5 weight portions of hydrophobic main agent, 1 to 3 weight portions of solubilizer, 0.1 to 0.3 weight portion of organic film forming agent and 85.2 to 90.4 weight portions of water; the hydrophobic main agent is one or a compound of an organic silicon hydrophobic agent and an organic fluorine hydrophobic agent.

The mechanism of the invention is that the organosilicon and organic fluorine water-based synthetic hydrophobic agent is mixed emulsion of siloxane, silane and organic fluorine compound with small molecular weight, and the siloxane, the silane and the organic fluorine not only contain fluorine alkyl, methyl and octyl with excellent hydrophobicity, but also contain hydrosilation active group which is easy to hydrolyze and condense when meeting water, when the small molecule of the hydrophobic agent permeates into the capillary hole of the meteorological balloon, the inner part of the balloon is permeated, the silicon-hydrogen bond in the hydrophobic agent and the hydroxyl in the balloon are condensed into a waterproof net structure under the action of zinc ion, so that the capillary hole is blocked, a hydrophobic film is generated, and the hydrophobic film prevents water from entering the balloon when meeting water, thereby playing the role of hydrophobic and moisture-proof. The chemical reaction generated by organosilicon is the most important, and the reaction formula is as follows:

note: r is methyl, octyl, fluorocarbon group, etc.

This chemical reaction is critical to ensure that the hydrophobic film formed is firmly attached to the balloon surface.

The varieties and types of the hydrophobing agents in the market are more, and through screening, the organic silicon and organic fluorine hydrophobing agents can be applied to meteorological balloons. In the experiment of carrying out hydrophobic balloon water spray-resistant, we find that the water spray-resistant time of any one of the hydrophobing agents is shorter than the water spray-resistant time of using two or three hydrophobing agents to drain a certain compound, and the balloon hydrophobic effect of using the compound hydrophobing agent is better than the hydrophobic effect of using one water agent alone, so that the aim of compounding the emulsion of the hydrophobing agent is to ensure that a hydrophobic film can be firmly attached to the surface of the balloon and is not easily washed away by rainwater, so that the balloon keeps good hydrophobic performance during working, more importantly, the compound hydrophobing agent is used for the balloon, and the hydrophobic performance is better.

Further, the organosilicon hydrophobic agent is prepared from

10-12.5 parts by weight of polymethylhydrosiloxane,

6-7.5 parts of hydroxyl polydimethylsiloxane,

4-5 parts of polydimethylsiloxane,

4.3 to 5.5 portions of sorbitan monostearate,

5.6 to 7.3 portions of polyoxyethylene sorbitan monostearate,

0.1-0.2 part by weight of nonylphenol polyoxyethylene ether,

Mixing with 62-70 parts by weight of deionized water, heating and then mechanically emulsifying to prepare an emulsion product;

the hydrogen content of the polymethylhydrosiloxane is 1.5-1.6%, and the molecular weight of the hydrocarbyl group is 35-40%; the hydroxyl group content of the hydroxyl polydimethylsiloxane is 6.0-12.0%, and the molecular weight of the alkyl group is 35-40%; the hydrocarbyl molecular weight of the polydimethylsiloxane is within the range of 35-40%.

Further, the organic fluorine hydrophobic agent is an emulsion product prepared by reacting fluorine-containing alkyl and long-chain alkyl with methyl hydrogen-containing silicone oil through a monomer free radical emulsion polymerization process; the weight ratio of the methyl hydrogen-containing silicone oil to the fluorine-containing alkyl and the long chain alkyl is 10 (6-8.5): (6-8); the fluorine-containing alkyl is one or two of methacrylic acid dodecafluoroheptyl ester, methacrylic acid perfluoro octyl ethyl ester and acrylic acid perfluoro octyl ethyl ester; the long-chain alkyl is one or two of octadecyl methacrylate, octadecyl acrylate and dodecyl methacrylate; the hydrogen content of the methyl hydrogen-containing silicone oil is 0.1-1.8%.

Furthermore, the compounding weight ratio of the organic silicon hydrophobic agent to the organic fluorine hydrophobic agent is 8.5-10: 1.5-3.

Further, the solubilizer is one of ethanol and polypropylene glycol-600. The polypropylene glycol-600 is nonflammable, non-irritant and better in applicability. The solubilizer has the functions of increasing the attachment amount of the hydrophobic agent on the surface of the balloon and improving the hydrophobic effect of the balloon.

Further, the organic film-forming agent is one of zinc acetate and zinc stearate. Zinc acetate is soluble in water, while zinc stearate is prepared in advance, so zinc acetate is most suitable for application. The organic film forming agent is used for enabling the hydrophobic agent to be solidified and attached to the surface of the balloon in a micromolecule form, and the continuous and effective hydrophobic effect is ensured.

Further, the thickness of the hydrophobic film is less than 100 nm.

Furthermore, the mass of the meteorological balloon is 750-795g, the length of the balloon body is 2.3 +/-0.2 m, the width of the ball handle is less than 10cm, and the length of the ball handle is more than 11 cm.

The invention also provides a preparation method of the waterproof meteorological balloon, which mainly comprises the following steps:

(1) mixing a hydrophobic main agent, a solubilizer and an organic film-forming agent, and then diluting the mixture by water to prepare a hydrophobic agent solution with the concentration of about 10 percent;

(2) preparing a balloon matrix 1 which is not subjected to vulcanization drying;

(3) soaking the balloon matrix 1 in a prepared hydrophobizing agent solution;

(4) and (4) airing the soaked balloon, and then carrying out vulcanization drying, inspection and packaging.

(2) preparing a vulcanized and dried balloon matrix 2;

(3) soaking the balloon matrix 2 in the prepared hydrophobing agent solution;

(4) and (4) airing the soaked balloon, and then drying, checking and packaging.

The inflated and shaped balloon can be used only after being vulcanized, but the balloon can shrink in the vulcanization process. The balloon which is inflated and shaped but not vulcanized is vulcanized, namely before the balloon is vulcanized, the specific surface area of the balloon in a natural state is larger than that of the vulcanized balloon, the volume of the balloon is equivalent to the volume of the vulcanized balloon expanded when the vulcanized balloon passes through the highest cloud rain layer in the atmosphere through measurement and calculation, the balloon before vulcanization is subjected to hydrophobic membrane preparation, and then the balloon is vulcanized by using a hydrophobic agent.

Compared with the prior art, the invention has the advantages that:

1. the preparation method of the waterproof weather balloon does not change the existing weather balloon production formula and process, and adds a balloon surface hydrophobic film preparation procedure before or after the balloon is vulcanized in the existing balloon production process. In the whole production process, the investment of raw materials and additional added equipment is low, the process is simple, convenient and feasible, the operation is safe and environment-friendly, and the reliability is high.

2. The hydrophobic membrane prepared by the invention has excellent hydrophobic performance, has no adverse effect on the original static and dynamic performances of the balloon, is firmly bonded with the balloon skin, cannot lose efficacy due to rain washing, does not pollute the balloon, and does not change the original color of the balloon.

3. The hydrophobic membrane prepared by the invention has good isolation effect besides hydrophobic and moisture-proof effects, can eliminate serious dust pollution caused by the use of talcum powder when the balloon is shaped during vulcanization, inspection, packaging and even use, and has great significance for human health and improvement of production environment.

4. The waterproof meteorological balloon prepared by the method is as convenient as the existing operation when applied; the weight of the hydrophobic film formed on the surface of the balloon is not obviously increased, the hydrogen filling amount is the same as that of sunny weather, the hydrogen filling amount is not increased after the weather changes, so that the adverse effects that the load is increased after the balloon meets moisture and the rising of the balloon is hindered by cloud and rain layers are overcome, the hydrogen is saved, and most importantly, the balloon is easy to fly to the limit height by being filled with proper hydrogen.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 process flow diagram of the waterproof weather balloon forming and hydrophobic membrane preparation before vulcanization and drying in accordance with the present invention.

FIG. 2 is a process flow diagram of the waterproof weather balloon forming and the hydrophobic membrane preparation after vulcanization drying according to the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the preferred embodiments and the accompanying drawings, but the scope of the invention is not limited to the following specific embodiments.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.

Example 1:

1. preparation of hydrophobing agent

In this example, a 33% silicone hydrophobizing agent is an emulsion product prepared by mixing and heating 1.5% hydrogen content, 12 parts of polymethylhydrosiloxane having a 35% hydrocarbyl molecular weight, 6 parts of hydroxypolydimethylsiloxane having a 6.0% hydrocarbyl molecular weight, 4.5 parts of polydimethylsiloxane having a 35% hydrocarbyl molecular weight, 4.5 parts of sorbitan monostearate, 5.9 parts of polyoxyethylene sorbitan monostearate, 0.1 part of nonylphenol polyoxyethylene ether, and 67 parts of water, and then mechanically emulsifying the mixture.

TABLE 1 content ratio of each component of hydrophobing agent in example 1

Components	Dry ratio of	Wet ratio of
			33% of silicone hydrophobing agent	10	30
Polypropylene glycol-600	2.5	2.5
			20% Zinc acetate	0.2	1
Deionized water		66.5

Note: the dry ratio refers to the mixing ratio of materials in an anhydrous state, the wet ratio refers to the mixing ratio of materials in the presence of water, and the dry ratio divided by the solid content of the materials is the wet ratio. Taking the data in table 1 as an example, the dry ratio of the silicone water repellent agent is 10, the solid content is 33%, and the wet ratio, namely 10/33%, is 30; the polypropylene glycol-600 contains no water, so the dry ratio is the wet ratio; zinc acetate dry ratio of 0.2, solid content of 20%, wet ratio, i.e. 0.2/20% ═ 1. And calculating the total amount of the materials which are actually required to be blended, and correspondingly expanding or reducing the same multiple of the humidity ratio of each material in the table to obtain the actual weighing of each material.

Respectively weighing 3kg of 33% of organic silicon hydrophobing agent, 0.25kg of polypropylene glycol-600, 0.1kg of 20% of zinc acetate and 6.65kg of deionized water in a container with a proper volume, stirring for 5-10 minutes, and uniformly mixing for later use.

2. Hydrophobic membrane preparation process

(1) The balloon after being inflated and shaped is soaked in the hydrophobic agent prepared according to the content proportion of each component shown in the table 1, and the balloon is turned over, so that the outer surface of the balloon is completely covered by the hydrophobic agent without dead angles. Standing the balloon treated by the hydrophobing agent for 6 hours, and airing at 30-40 ℃;

(2) vulcanizing the balloon dried in the step (1) in a steam vulcanizing tank with the temperature of 110 ℃ and the vapor pressure of 1.433Mpa for 15 minutes; drying the balloon in a normal-pressure indirect steam vulcanizing tank at the temperature of 85-90 ℃ for 30 minutes, taking the balloon out of the vulcanizing tank, turning the balloon, and then putting the turned balloon into the vulcanizing tank to dry for 30 minutes until the surface of the balloon is completely dried;

(3) and (4) inspecting and packaging the vulcanized and dried balloon to obtain the hydrophobic meteorological balloon with the number of 1.

Example 2:

1. preparation of hydrophobing agent

In this example, a 33% silicone hydrophobizing agent is an emulsion product prepared by mixing and heating 1.5% hydrogen content, 12 parts of polymethylhydrosiloxane having a 35% hydrocarbyl molecular weight, 6 parts of hydroxypolydimethylsiloxane having a 6.0% hydrocarbyl molecular weight, 4.5 parts of polydimethylsiloxane having a 35% hydrocarbyl molecular weight, 4.5 parts of sorbitan monostearate, 5.9 parts of polyoxyethylene sorbitan monostearate, 0.1 part of nonylphenol polyoxyethylene ether, and 67 parts of water, and then mechanically emulsifying;

the 8% organofluorine hydrophobizing agent of this example is a product prepared from 20 parts of methyl hydrogen silicone oil with a hydrogen content of 0.1%, 15 parts of perfluorooctyl ethyl methacrylate, and 15 parts of dodecyl methacrylate by a compound monomer free radical emulsion polymerization process.

Table 2 content ratio of each component of hydrophobing agent in example 2

Respectively weighing 3kg of 33% organic silicon hydrophobing agent, 8% organic fluorine hydrophobing agent FS-15011.875 kg, 0.25kg of polypropylene glycol-600, 0.1kg of 20% zinc acetate and 4.775kg of deionized water in a container with a proper volume, stirring for 5-10 minutes, and uniformly mixing for later use.

2. Hydrophobic membrane preparation process

(1) Soaking the inflated and shaped balloon in a water repellent agent prepared according to the content ratio of the components shown in the table 2, finishing, standing for 6 hours, and airing at 30-40 ℃;

(3) and (4) inspecting and packaging the vulcanized and dried balloon to obtain the hydrophobic meteorological balloon with the serial number of 2.

Example 3:

1. preparation of hydrophobing agent

the 14% organic fluorine hydrophobic agent of this example is a product prepared from 20 parts of methyl hydrogen silicone oil with a hydrogen content of 1.8%, 16.3 parts of perfluorooctyl ethyl methacrylate, 8 parts of octadecyl methacrylate, and 7.5 parts of dodecyl methacrylate by a compound monomer free radical emulsion polymerization process.

TABLE 3 content ratio of each component of hydrophobing agent in example 3

Components	Dry ratio of	Wet ratio of
			33% of silicone hydrophobing agent	10	30
14% organic fluorine hydrophobing agent FS-1502	1.5	10.71
			Polypropylene glycol-600	2.5	2.5
20% Zinc acetate	0.2	1
			Water (W)		55.79

Respectively weighing 3kg of 33% organic silicon hydrophobing agent, 3kg of 14% organic fluorine hydrophobing agent FS-15021.07 kg, 0.25kg of polypropylene glycol-600, 0.1kg of 20% zinc acetate and 5.579kg of deionized water in a container with a proper volume, stirring for 5-10 minutes, and uniformly mixing for later use.

2. Hydrophobic membrane preparation process

(1) Soaking the inflated and shaped balloon in a water repellent agent prepared according to the content ratio of the components shown in the table 3, finishing, standing for 6 hours, and airing at 30-40 ℃;

(3) and (4) inspecting and packaging the vulcanized and dried balloon to obtain the hydrophobic meteorological balloon with the serial number of 3.

Example 4:

1. preparation of hydrophobing agent

the 8% organic fluorine hydrophobic agent of this example is a product prepared from 20 parts of methyl hydrogen silicone oil with 0.1% hydrogen content, 15 parts of perfluorooctyl ethyl methacrylate, and 15 parts of dodecyl methacrylate by a compound monomer free radical emulsion polymerization process.

Example 14% organofluoro hydrophobicizer the product was prepared from 20 parts of methyl hydrogen silicone oil with a hydrogen content of 1.8%, 16.3 parts of perfluorooctyl ethyl methacrylate, 8 parts of octadecyl methacrylate, 7.5 parts of dodecyl methacrylate by a compound monomer free radical emulsion polymerization process.

TABLE 4 content ratio of each component of hydrophobing agent in example 4

Components	Dry ratio of	Wet ratio of
			33% nanometer organosilicon hydrophobic agent	8.5	25.76
8% organic fluorine hydrophobing agent FS-1501	1.5	18.75
			14% organic fluorine hydrophobing agent FS-1502	1.5	10.71
Polypropylene glycol-600	2.5	2.5
			20% Zinc acetate	0.2	1
Water (W)		41.28

Respectively weighing 2.58kg of 33% of organic silicon hydrophobing agent, 8% of organic fluorine hydrophobing agent FS-15011.88 kg, 14% of organic fluorine hydrophobing agent FS-15021.07 kg, 0.25kg of polypropylene glycol-600, 0.1kg of 20% of zinc acetate and 4.13kg of deionized water in a container with a proper volume, stirring for 5-10 minutes, and uniformly mixing for later use.

2. Hydrophobic membrane preparation process

(1) Soaking the inflated and shaped balloon in a water repellent agent prepared according to the content ratio of the components shown in the table 4, finishing, standing for 6 hours, and airing at 30-40 ℃;

(3) and (4) inspecting and packaging the vulcanized and dried balloon to obtain the hydrophobic meteorological balloon with the number of 4.

Test method and data

The elongation at break, tensile strength and burst diameter of the weather balloon before and after the treatment with the hydrophobizing agent in examples 1 to 4 were measured in accordance with GJB987A-1998 weather balloon test method. The specific test results are shown in table 5.

TABLE 5 physicomechanical Properties of the balloons before and after the hydrophobicizing agent treatment in examples 1 to 4

As can be seen from Table 5, the elongation at break, tensile strength and burst diameter of the balloon treated by the hydrophobic agent are similar to those of the balloon not treated by the hydrophobic agent, which indicates that after the hydrophobic agent forms a film on the surface of the balloon, the degassing balloon has a hydrophobic function, and the hydrophobic layer does not have adverse effects on the three main physical and mechanical properties of the balloon.

Result of hydrophobic balloon deployment

The 8 balloons obtained in examples 1 to 4 above were applied successively to Changsha, Nanchang, Huaisha, etc., and the data of the application are shown in Table 6.

TABLE 6 application results of balloons obtained in examples 1 to 4

As can be seen from table 6, the balloon having hydrophobicity was applied in rainy weather and at night, and the applied height was significantly superior to that of the general balloon not treated with the hydrophobic agent. According to the requirements of domestic meteorological services, the levitation height of the balloon is not less than 26000m, the release height of the balloon which is not treated by the hydrophobic agent hardly reaches the standard in rainy days, particularly in the night, and the hydrophobic balloon can solve the problems of the current meteorological balloon. The static performance and the dynamic performance of the balloon only using a single organic silicon hydrophobing agent are not greatly different from those of the balloon using the organic silicon and organic fluorine mixed hydrophobing agent, but after the balloon treated by the single hydrophobing agent and the balloon treated by the compound hydrophobing agent are subjected to a spray water test under the same condition, the water-resistant spraying time of the balloon treated by the compound hydrophobing agent is 45-55 minutes longer than that of the balloon treated by the single organic silicon hydrophobing agent, and the balloon is prevented from flying to the maximum height as much as possible in rainy days and humid days, so that the hydrophobing agent compounded by the organic silicon and the organic fluorine is more reliable.

Claims

1. The utility model provides a waterproof meteorological balloon, meteorological balloon includes the balloon base member and coats in the hydrophobic membrane on balloon base member surface, its characterized in that, the composition of hydrophobic membrane includes: 8.5 to 11.5 weight portions of hydrophobic main agent, 1 to 3 weight portions of solubilizer, 0.1 to 0.3 weight portion of organic film forming agent and 85.2 to 90.4 weight portions of water; the hydrophobic main agent is a compound of an organic silicon hydrophobic agent and an organic fluorine hydrophobic agent, and the weight ratio of the compound is (8.5-10) to (1.5-3); the organic fluorine hydrophobic agent is an emulsion product prepared by reacting fluorine-containing alkyl and long-chain alkyl with methyl hydrogen-containing silicone oil through a monomer free radical emulsion polymerization process; the weight ratio of the methyl hydrogen-containing silicone oil to the fluorine-containing alkyl and the long chain alkyl is 10 (6-8.5) to (6-8); the organic silicon hydrophobic agent is an emulsion product prepared by mixing and heating 10-12.5 parts by weight of polymethylhydrosiloxane, 6-7.5 parts by weight of hydroxy polydimethylsiloxane, 4-5 parts by weight of polydimethylsiloxane, 4.3-5.5 parts by weight of sorbitan monostearate, 5.6-7.3 parts by weight of polyoxyethylene sorbitan monostearate, 0.1-0.2 part by weight of nonylphenol polyoxyethylene ether and 62-70 parts by weight of deionized water, and then mechanically emulsifying;

2. The waterproof weather balloon as claimed in claim 1, wherein the fluoroalkyl group is one or both of dodecafluoroheptyl methacrylate, perfluorooctyl ethyl methacrylate, and perfluorooctyl ethyl acrylate; the long-chain alkyl is one or two of octadecyl methacrylate, octadecyl acrylate and dodecyl methacrylate; the hydrogen content of the methyl hydrogen-containing silicone oil is 0.1-1.8%.

3. The weather-resistant balloon according to claim 1, wherein the solubilizer is one of ethanol and polypropylene glycol-600.

4. The waterproof weather balloon of claim 1, wherein the organic film-forming agent is one of zinc acetate and zinc stearate.

5. A waterproof weather balloon as claimed in any one of claims 1 to 4 wherein the hydrophobic membrane is less than 100nm thick.

6. A waterproof weather balloon as claimed in any one of claims 1 to 4 wherein the weather balloon has a mass of 750 to 795g, a body length of 2.3 ± 0.2m, a stem width of less than 10cm and a stem length of greater than 11 cm.

7. The method for preparing the waterproof weather balloon as claimed in claim 1, which mainly comprises the following steps:

(2) preparing a balloon matrix which is not subjected to vulcanization drying;

(3) soaking the balloon matrix in the prepared water repellent agent solution;

8. The method for preparing the waterproof weather balloon as claimed in claim 1, which mainly comprises the following steps:

(2) preparing a vulcanized and dried balloon matrix;

(3) soaking the balloon matrix in the prepared water repellent agent solution;

(4) and (4) airing the soaked balloon, and then drying, checking and packaging.