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Novel airplane de-icing/anti-icing liquid and preparation method thereof

A technology of anti-icing fluid and aircraft, applied in the field of aerospace, can solve the problems of thickener viscosity loss, polymer network structure damage, polymer chain damage, etc., achieve high shear thinning index, prolong retention time, improve The effect of anti-icing performance

Active Publication Date: 2012-01-25
北京雅迪力特航空新材料股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Due to the strong shear force caused by high-speed stirring, pumping and conveying through small pipelines, the thickener will experience irreversible viscosity loss. This mechanical transport will destroy the polymer chain and even cause damage to the polymer network structure. irreversible damage

Method used

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  • Novel airplane de-icing/anti-icing liquid and preparation method thereof
  • Novel airplane de-icing/anti-icing liquid and preparation method thereof
  • Novel airplane de-icing/anti-icing liquid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1: De-icing / anti-icing fluid

[0049] 1. Composition (weight: kg):

[0050]

[0051] 2. Preparation method

[0052] 1) acrylic acid copolymer Carbopol U20 is pre-swelled in deionized water, fully wetted, stirred evenly, and set aside;

[0053] 2) Add 1,2-propanediol, fatty alcohol polyoxyethylene (AEO-3) ether, sodium nitrate, and potassium sorbate in sequence to the solution in step 1) and stir well, and finally use pre-configured potassium hydroxide and three The pH regulator compounded with ethanolamine adjusts the pH of the solution to 7.0-7.5.

Embodiment 2

[0054] Example 2: De-icing / anti-icing fluid

[0055] 1. Composition (weight: kg):

[0056]

[0057]

[0058] 2. Preparation method

[0059] 1) The acrylic copolymer PEMULEN TR-1 is pre-swelled in deionized water, fully wetted, stirred evenly, and set aside;

[0060] 2) Add 1,2-propanediol, fatty alcohol polyoxyethylene (AEO-7) ether, NaNO to the solution in step 1) sequentially 3 1. After the potassium sorbate is fully stirred, finally adjust the pH of the solution to 7.0-7.5 with a pre-configured pH regulator compounded of potassium hydroxide and ethanolamine.

Embodiment 3

[0061] Example 3: De-icing / anti-icing fluid

[0062] 1. Composition (weight: kg):

[0063]

[0064] 2. Preparation method

[0065] 1) Thickener acrylic copolymer PEMULEN TR-2 is pre-swelled in deionized water, fully wetted, stirred evenly, and set aside;

[0066] 2) Add 1,2-propanediol, fatty alcohol polyoxyethylene (AEO-9) ether, NaNO to the solution in step 1) sequentially 3 1. After the potassium sorbate is fully stirred, finally adjust the pH of the solution to 7.0-7.5 with a pre-configured pH regulator compounded of KOH and diethanolamine.

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Abstract

The invention relates to novel airplane de-icing / anti-icing liquid and a preparation method thereof. The de-icing / anti-icing liquid consists of de-ionized water and the following ingredients in percentage by weight: 30 to 80 percent of dibasic alcohol, 0.01 to 1.0 percent of thickening agents, 0.05 to 2 percent of surface active agents, 0.01 to 1 percent of corrosion inhibitors and 0.05 to 0.2 percent of antimicrobial agents, and the pH is 7.0 to 7.5. The airplane de-icing / anti-icing liquid is mainly used for clearing condensed settlings such as ice, snow, frost and the like formed on the airplane surface when an airplane stops on the ground, and new snow, ice or frost can be prevented from being formed on the airplane surface through the further accumulation.

Description

technical field [0001] The invention relates to the aerospace field, in particular to a novel aircraft de-icing / anti-icing liquid. Background technique [0002] Aircraft de-icing / anti-icing fluid is mainly used to remove condensation deposits formed on the surface of the aircraft when the aircraft stays on the ground, such as ice, snow, frost, etc., to prevent further deposition of new snow, ice or frost on the surface of the aircraft. [0003] The main difference between anti-icing and de-icing is that anti-icing mainly prevents the formation of ice; de-icing removes the ice that has formed to speed up the cleaning of the aircraft surface. [0004] Aircraft de-icing / anti-icing fluids are very important in treating aircraft surfaces. After entering winter, the surface of the aircraft will be covered with a layer of frozen material, and the deicing / anti-icing fluid will remove this layer of frozen material from the aircraft wing through the shear force formed by the sudden i...

Claims

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Application Information

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IPC IPC(8): C09K3/18
Inventor 李江波王晓艳
Owner 北京雅迪力特航空新材料股份公司
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