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Application of ultra-low temperature resistant pressure-sensitive adhesive in rocket pipeline flexible foamed plastic bonding

A flexible foam plastic, ultra-low temperature technology, applied in the direction of adhesive, bonding method, etc., to achieve the effect of low curing temperature, short time and good construction technology

Inactive Publication Date: 2015-06-03
SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention aims to solve the technical problem in the prior art that soft foam can not be pasted quickly in a low temperature environment when pasting soft foam on the low temperature pipeline of a new generation of launch vehicle

Method used

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  • Application of ultra-low temperature resistant pressure-sensitive adhesive in rocket pipeline flexible foamed plastic bonding
  • Application of ultra-low temperature resistant pressure-sensitive adhesive in rocket pipeline flexible foamed plastic bonding
  • Application of ultra-low temperature resistant pressure-sensitive adhesive in rocket pipeline flexible foamed plastic bonding

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Embodiment Construction

[0023] In view of the fact that China's new generation of launch vehicles uses liquid oxygen / kerosene low-temperature fuel, it is necessary to use foam plastics for thermal insulation of fuel storage tanks and low-temperature pipelines. However, existing two-component and one-component polyurethane adhesives have the technical problem of being unable to quickly paste foam plastics on low-temperature pipes because of their long curing cycle. Therefore, the present invention combines the development of ultra-low temperature-resistant pressure-sensitive adhesives, uses ultra-low-temperature-resistant pressure-sensitive adhesives in the quick pasting of soft foam plastics for low-temperature pipelines of launch vehicles, and proposes that pressure-sensitive adhesives can be bonded by hand pressure to achieve Paste quickly.

[0024] In order to make the purpose and features of the present invention more comprehensible, the specific implementation manners of the present invention wi...

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Abstract

The invention discloses application of an ultra-low temperature resistant pressure-sensitive adhesive in rocket pipeline flexible foamed plastic bonding. The application comprises the following steps: manufacturing a flexible foamed plastic precast block with ultra-low temperature resistant pressure-sensitive adhesive; manufacturing a pipeline with ultra-low temperature resistant pressure-sensitive adhesive; and bonding and pressing the flexible foamed plastic precast block on the corresponding position of the pipeline. The pipeline flexible foamed plastic bonding method and pipeline disclosed by the invention can meet requirements of the new generation of bonding flexible foamed plastic for carrying low-temperature rocket pipelines on site operation, being ready to use since being packaged, construction of foamed plastic bonding at minus 20-50 DEG C and ultra-low temperature resistance.

Description

[0001] technical field [0002] The invention relates to the technical field of low-temperature pipeline manufacturing, and in particular to the application of ultra-low temperature-resistant pressure-sensitive adhesives in sticking flexible foam plastics for rocket pipelines. [0003] Background technique [0004] China's new generation of launch vehicles uses liquid oxygen / kerosene low-temperature fuel. In order to reduce the evaporation of low-temperature fuel and ensure that the temperature of liquid oxygen meets the normal operation requirements of the engine during the entire launch and flight, the fuel storage tank and low-temperature pipeline must be insulated with foam plastic. The flexible foam plastic of the low-temperature pipeline part needs to be pasted after the pipeline system is installed and leak tested, and it should be constructed on-site at the launch base. [0005] Adhesives suitable for ultra-low temperatures mainly include polyurethane and modified e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J5/04
Inventor 南博华于淼何腾锋赵萧尤登飞连爱珍方岩
Owner SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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