Effect of Sepiolite Powders on the Thermal Conductivity of VIP Using Glass Wool as Core Materials
There are few alternatives as core materials for vacuum insulation panels.Developing new or hybrid core materials are important to invent new vacuum insulation applications.It calls for experimental works about some other materials which exist and are available for application.Some minerals with high porosities look promising as an alternative.In this study,sepiolite powder and asbestos like natural fibers are used as core material additives to invent a new hybrid core materials.Investigations were performed to improve existing core material with sepiolite addition and also find out the possibilities of using natural mineral fibers as core materials.Sepiolite is a Magnesium Hydroxyl Silicate mineral with fiber like structure and inner porosities.It sustains a low solid conductivity as glass fiber and it has good water absorption properties.These properties make it a good candidate for producing new hybrid core materials.Micro size fiber sepiolite can be used as core materials and nano size sepiolite can be used as filler or additives for glass fiber and fume silica core materials.Sepiolite is also available to produce insulation boards.This paper gives a basic method to produce hybrid core material with sepiolite mineral and its insulation and ageing performance.
vacuum insulation panels sepiolite fiber clay thermal insulation desiccant
Deniz Eren Erisen Chen Zhaofeng Chen Lihe
College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P.R.China
国际会议
The 12th International Vacuum Insulation Symposium (IVIS 2015)(第十二届国际真空绝热材料会议)
南京
英文
19-22
2015-09-01（万方平台首次上网日期，不代表论文的发表时间）