氮化铝填料对硬质聚氨酯泡沫塑料导热性能的改善

IF 1.3 4区医学 Q4 MATERIALS SCIENCE, BIOMATERIALS

Cellular Polymers Pub Date : 2021-03-01 DOI:10.1177/0262489321988970

Serife Akkoyun, Meral Akkoyun

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引用次数: 6

摘要

本工作的目的是制备具有改进导热性的电绝缘复合硬质聚氨酯泡沫。因此，本研究的重点是氮化铝（AlN）对硬质聚氨酯泡沫热导率和电导率的影响。为此，使用三步程序制备氮化铝/硬质聚氨酯复合泡沫。对泡沫的电导率和热导率进行了表征。还考察了泡沫的热转变、力学性能和形态。结果表明，AlN使硬质聚氨酯泡沫的热导率增加了24%，这似乎是聚合物泡沫中相对显著的增加。泡沫的低电导率得以保留。

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Improvement of thermal conductivity of rigid polyurethane foams with aluminum nitride filler

The aim of this work is the fabrication of electrically insulating composite rigid polyurethane foams with improved thermal conductivity. Therefore, this study is focused on the effect of aluminum nitride (AlN) on the thermal and electrical conductivities of rigid polyurethane foams. For this purpose, aluminum nitride/rigid polyurethane composite foams were prepared using a three-step procedure. The electrical and thermal conductivities of the foams were characterized. The thermal transitions, mechanical properties and morphology of the foams were also examined. The results reveal that AlN induces an increase of the thermal conductivity of rigid polyurethane foam of 24% which seems to be a relatively noticeable increase in polymeric foams. The low electrical conductivity of the foams is preserved.

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来源期刊

Cellular Polymers 工程技术-材料科学：生物材料

CiteScore

3.10

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Cellular Polymers is concerned primarily with the science of foamed materials, the technology and state of the art for processing and fabricating, the engineering techniques and principles of the machines used to produce them economically, and their applications in varied and wide ranging uses where they are making an increasingly valuable contribution. Potential problems for the industry are also covered, including fire performance of materials, CFC-replacement technology, recycling and environmental legislation. Reviews of technical and commercial advances in the manufacturing and application technologies are also included. Cellular Polymers covers these and other related topics and also pays particular attention to the ways in which the science and technology of cellular polymers is being developed throughout the world.