DAMPING AND HEAT-INSULATION STRUCTURE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF - AEROSPACE RESEARCH INSTITUTE OF MATERIALS & PROCESSING TECH

Title:

DAMPING AND HEAT-INSULATION STRUCTURE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/077404

Kind Code:

A1

Abstract:

A damping and heat-insulation structure, a preparation method therefor and an application thereof, relating to the technical field of protection of electronic components. The damping and heat-insulation structure is used for protecting a core component. The structure comprises a polyurethane damping layer, a restraint shell, a heat-insulation layer, a housing, and a heat-resistant layer from inside to outside. The preparation method comprises: synthesis and encapsulation molding of a damping layer material, processing molding of a heat-insulation tile structure, preparation of a restraint shell and a housing, assembly, connection and sealing of multiple structure layers, and preparation of a heat-resistant coating. By means of the superposition of the multiple structure layers and the sealing connection between the layers, the core element can work normally in a short-time high-temperature or instantaneous violent impact vibration environment. The structure features small size, ablation resistance, high temperature resistance, good water resistance, and strong vibration impact resistance.

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Inventors:

XU YONG (CN)
TANG BO (CN)
ZHOU YUQI (CN)
SUN CHUNYAN (CN)
CHEN FENGBO (CN)
SUN NIJUAN (CN)
HU XIAOYAN (CN)
LIU QUNCE (CN)
ZHAO XIN (CN)

Application Number:

PCT/CN2019/113295

Publication Date:

April 29, 2021

Filing Date:

October 25, 2019

Export Citation:

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Assignee:

AEROSPACE RESEARCH INSTITUTE OF MATERIALS & PROCESSING TECH (CN)

International Classes:

B32B7/12; H05K5/00; B32B9/00; C08G18/10; H05K5/06

Foreign References:

CN104527181A	2015-04-22
CN104527181A	2015-04-22
CN108727028A	2018-11-02
CN109532181A	2019-03-29
US20170276220A1	2017-09-28
JP2015205451A	2015-11-19

Attorney, Agent or Firm:

PATENT AGENT OF CHINA AEROSPACE TECHNOLOGY (CN)

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