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Coating for protecting aerostat capsule material and preparation method and application thereof

A technology of aerostats and coatings, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of low helium barrier properties, low helium barrier rate, poor UV aging resistance, etc., to improve helium gas barrier properties , no surface defects, excellent wear resistance

Active Publication Date: 2017-05-10
HUNAN AEROSPACE SANFENG SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The aerostat capsule material independently developed by my country is mainly composed of aramid fiber, which has the disadvantages of low helium gas barrier property and poor aging resistance, and it cannot achieve the technology of working in the sky without coating the protective coating. Require
The aerostat capsule material independently developed by China Aerospace Science and Industry Corporation has a low helium barrier rate, which cannot ensure that the airship is in a normal working state for a long time; the UV aging resistance is poor, resulting in a short service life of the aerostat. At present, the wear resistance of the existing ordinary anti-aging coatings in China cannot match the flexible aramid fiber substrate. In addition, foreign technology blockades in this field and huge costs caused by imports are urgently needed for a long-term use. A new aerostat capsule protective coating with high helium gas barrier properties, wear resistance and aging resistance, to minimize the research and development costs and maintenance costs of the aerostat, and improve its operational stability

Method used

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  • Coating for protecting aerostat capsule material and preparation method and application thereof
  • Coating for protecting aerostat capsule material and preparation method and application thereof
  • Coating for protecting aerostat capsule material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The NY-35 polyurethane resin of Yantai Huada Chemical Group Co., Ltd. was used to prepare the protective coating for the aerostat capsule material, and it was coated on the capsule substrate of 20×20mm with a 6 μm coating wire bar, and the properties were tested. test.

[0037] Aerostat capsule material protective coating:

[0038] It is prepared by mixing component A and component B, wherein the mass content of component B is 12.5% ​​of that of component A, and the details of each component are as follows:

[0039] A component: polyurethane resin: 50 parts;

[0040] Titanium dioxide: 12 parts;

[0041] Defoamer: 1 part;

[0042] Dispersant: 1 part;

[0043] Solvent: 30 parts;

[0044] B component: curing agent.

[0045] Preparation method of aerostat capsule material protective coating:

[0046] (1) Add 50 parts of polyurethane resin to the batching tank, and add 12 parts of titanium dioxide, 1 part of dispersant, 1 part of defoamer, and 30 parts of solvent and ...

Embodiment 2

[0055] Similarly, the NY-35 polyurethane resin of Yantai Huada Chemical Group Co., Ltd. was used to prepare the protective coating for the aerostat capsule material, and coated it on the capsule substrate of 20×20mm with a 6 μm coating wire bar , for performance testing.

[0056] Aerostat capsule material protective coating:

[0057] It is prepared by mixing component A and component B, wherein the mass content of component B is 12.5% ​​of that of component A, and the details of each component are as follows:

[0058] A component: polyurethane resin: 50 parts;

[0059] Titanium dioxide: 20 parts;

[0060] Defoamer: 1 part;

[0061] Dispersant: 1 part;

[0062] Solvent: 30 parts;

[0063] B component: curing agent;

[0064] Preparation method of aerostat capsule material protective coating:

[0065] (1) Add 50 parts of polyurethane resin to the batching tank, and add 20 parts of titanium dioxide, 1 part of dispersant, 1 part of defoamer, and 30 parts of solvent and stir ...

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Abstract

The invention discloses a coating for protecting an aerostat capsule material and a preparation method and application thereof. The coating is prepared by mixing a component A and a component B. The mass ratio of the component A to the component B is 100:(10-15). By weight parts, the component A comprises 45-55 parts of polyurethane resin, 10-15 parts of titanium dioxide, 0-1 part of defoamer, 0-1 part of dispersing agent and 25-35 parts of diluent. The component B is polyamide curing agent. NY-35 type polyurethane resin is taken as a base body, an appropriate amount of titanium dioxide is added to improve covering power of the coating, the prepared aerostat capsule material protecting coating can be matched with the flexibility of the aerostat capsule base material, and the helium barrier property of the aerostat capsule base material is greatly improved. After undergoing kneading testing, the base material coated with the protecting coating can still conform to technical requirements though the helium barrier property is reduced to some extent.

Description

technical field [0001] The invention relates to a paint for protecting the capsule material of an aerostat, its preparation method and application. Background technique [0002] The aerostat capsule protective coating refers to the coating with protective effect on the aerostat capsule material, which is mainly divided into aerostat capsule helium-resistant coating and aerostat capsule protective coating. An aerostat generally refers to an aircraft whose specific gravity is lighter than air and which relies on atmospheric buoyancy to lift into the air. In the fields of electronics and military and civilian use, hot air balloons are generally not included in the range of aerostats. Also, spaceships don't necessarily rely on buoyancy. In addition to military use, large civilian aerostats can also be used for transportation, transportation, entertainment, disaster relief, film and television shooting, scientific experiments and so on. The helium barrier rate, wear resistance...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D7/12
CPCC08L2201/14C08L2205/035C09D7/61C09D7/65C09D175/04C08L77/00C08L83/04C08K2003/2241
Inventor 刘琛阳区李真真肖鹏
Owner HUNAN AEROSPACE SANFENG SCI & TECH CO LTD
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