High-performance high-temperature-resistant thermal insulation polyimide foam and application thereof
The invention provides high-heat-resistance and radiation-resistant flexible polyimide foam with excellent heat insulation and mechanical properties and application thereof, and belongs to the technical field of advanced materials. The polyimide foam is obtained by foaming, curing and imidization of...
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| creator | CHEN YANG HENG ZHENGGUANG ZOU HUAWEI ZHOU CUIQING NI LONG ZHOU ECOLOGY LUO YINFU |
| description | The invention provides high-heat-resistance and radiation-resistant flexible polyimide foam with excellent heat insulation and mechanical properties and application thereof, and belongs to the technical field of advanced materials. The polyimide foam is obtained by foaming, curing and imidization of polyester ammonium salt precursor powder, the polyester ammonium salt precursor powder is obtained by directly copolymerizing dianhydride and two different diamines, or respectively reacting and then blending. The polyimide foam disclosed by the invention is light in weight, good in heat resistance, radiation resistance and heat insulation performance and excellent in flexibility and mechanical strength, and anisotropy control of a foam microstructure and performance can be realized through process control; the material can be used as a high-temperature-resistant heat-insulation material, a radiation-resistant material, a packaging material, a sound-absorbing material, a buffering and shock-absorbing material and |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | High-performance high-temperature-resistant thermal insulation polyimide foam and application thereof |
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