Anti-icing fluid capable of realizing thickening through at least one oligomeric cationic surfactant and preparation method of anti-icing fluid

A technology of surfactants and polycations, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as drastic changes in performance, potential safety hazards, hydration gels, etc., and achieve excellent viscosity stability and excellent low temperature stability performance, excellent compatibility of corrosion-inhibiting materials

Active Publication Date: 2015-12-30
成都民航六维航化有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the structural characteristics of polymer macromolecules, this type of deicing and anti-icing fluid is prone to stability problems (viscosity, shear, thermal degradation, biodegradation, etc.), storage stratification, resulting in drastic changes in performance, causing hydration gels and other issues, there are security risks

Method used

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  • Anti-icing fluid capable of realizing thickening through at least one oligomeric cationic surfactant and preparation method of anti-icing fluid
  • Anti-icing fluid capable of realizing thickening through at least one oligomeric cationic surfactant and preparation method of anti-icing fluid
  • Anti-icing fluid capable of realizing thickening through at least one oligomeric cationic surfactant and preparation method of anti-icing fluid

Examples

Experimental program
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Effect test

Embodiment 1

[0037] An anti-icing fluid thickened by an oligomeric cationic surfactant, characterized in that it comprises the following components in parts by mass:

[0038] 0.5 to 15 parts of at least one oligomeric cationic surfactant;

[0039] 0.5-15 parts of at least one anionic inorganic salt or organic salt;

[0040] 30-90 parts of at least one polyol;

[0041] 0.01~2 parts of at least one corrosion inhibitor;

[0042] 20-90 parts of deionized water.

Embodiment 2

[0044] An anti-icing fluid thickened by an oligomeric cationic surfactant, characterized in that it comprises the following components in parts by mass:

[0045] 1-10 parts of at least one oligomeric cationic surfactant;

[0046] 1-10 parts of at least one anionic inorganic salt or organic salt;

[0047] 40-70 parts of at least one polyol;

[0048] 0.1~1 part of at least one corrosion inhibitor;

[0049] And 40-70 parts of deionized water.

Embodiment 3

[0051] An anti-icing fluid thickened by an oligomeric cationic surfactant, characterized in that it comprises the following components in parts by mass:

[0052] 0.5 to 15 parts of at least one oligomeric cationic surfactant;

[0053] 0.5-15 parts of at least one anionic inorganic salt or organic salt;

[0054] 30-90 parts of at least one polyol;

[0055] 0.01~2 parts of at least one corrosion inhibitor;

[0056] 20-90 parts of deionized water;

[0057] The molar concentration ratio of oligomeric cationic surfactant to anionic inorganic salt or organic salt is 1 / 0.1~1 / 5.

[0058] The oligomeric cationic surfactant includes at least one of gemini cationic surfactants, trimerized cationic surfactants, and tetramerized or higher cationic surfactants.

[0059]The anionic organic salts include sodium or potassium salts containing a benzene ring structure, specifically: at least one of sodium salicylate and its derivatives, sodium benzoate and sodium acetate.

[0060] The anion...

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PUM

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Abstract

The invention relates to the field of deicing and icing prevention, particularly to an anti-icing fluid capable of realizing thickening through at least one oligomeric cationic surfactant and formed by a polyol-water mixed solution as well as a preparation method of the anti-icing fluid. The anti-icing fluid comprises components in parts by mass as follows: 0.5-15 parts of at least one oligomeric cationic surfactant, 0.5-15 parts of at least one anionic inorganic salt or organic salt, 30-90 parts of at least one polyol and 0.01-2 parts of at least one corrosion inhibition aid. According to the technology, the at least one micro-molecular oligomeric cationic surfactant is self-assembled to form long flexible worm-like micelles under induction of countra-ions provided by the organic or inorganic salt, the polyol-water mixed solution has the excellent viscosity which can exceed 5,000 cps, the anti-icing time for deicing and icing prevention is guaranteed, and meanwhile, a series of problems about viscosity stability and hydrated gel performance due to the fact that thickening type deicing and anti-icing fluids take polymers as thickeners are solved.

Description

technical field [0001] The invention relates to the field of deicing and anti-icing, in particular to an anti-icing liquid composed of a polyol-water mixed solution thickened by an oligomeric cationic surfactant and a preparation method thereof, which is used for deicing and anti-icing treatment, especially for aircraft De-icing and anti-icing. Background technique [0002] In icy weather conditions, the outer surface of the aircraft staying on the ground is very easy to adhere to pollutants such as ice, snow and frost. These pollutants have seriously affected the normal flight and safety of the aircraft, especially making it difficult to control the flight attitude of the aircraft when the aircraft takes off. The most effective deicing and anti-icing method in general at present is to adopt aircraft deicing and anti-icing liquid. Aircraft deicing and anti-icing fluid melts pollutants such as ice, snow, and frost accumulated on the surface of the aircraft, and prevents ice...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/18
Inventor 周洪韩一秀梅拥军韦勇强王航钟祖勤孙传鹏
Owner 成都民航六维航化有限责任公司
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