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Preparation and Performance Regulation of Perlite and Fumed Silica Composited Silicone Rubber for Thermal Insulation Materials
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Wei WAGN1, Bo KONG1, Shumei CHEN2, 3, Shupei LYU2, 3, Chao MIAO2, 3, Xue KE2, 3, Senyong WANG2, 3, Wenjun WANG2, 3, Jing OUYANG2, 3
Journal of the Chinese Ceramic Society | 2023, 51(4) : 975 - 981
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Journal of the Chinese Ceramic Society | 2023, 51(4): 975-981
• Research Articles •
Preparation and Performance Regulation of Perlite and Fumed Silica Composited Silicone Rubber for Thermal Insulation Materials
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Wei WAGN1, Bo KONG1, Shumei CHEN2, 3, Shupei LYU2, 3, Chao MIAO2, 3, Xue KE2, 3, Senyong WANG2, 3, Wenjun WANG2, 3, Jing OUYANG2, 3
Affiliations
  • 1.Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, China
  • 2.Hunan Key Lab of Mineral Materials and Application, Central South University, Changsha 410083, China
  • 3.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

    • WANG Wei (1991-), male, Master, Engineer. E-mail:

About Author:

WANG Wei (1991-), male, Master, Engineer. E-mail:

Published: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20220619
Outline
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Developing some thermal insulating composite materials based on perlite is a subject to expand the application of mineral materials. In this paper, the vinyl silicone oil or room-temperature vulcanized silicone rubber was mixed with two kinds of perlite with different sizes and fumed silica as fillers through a kneading process and a direct mixing process, respectively. Some composite silicone rubber insulation boards were prepared and evaluated by the thermal conductivity and insulation performance. The results show that the product prepared by the kneading process has resulted in a reduced heat preservation ability of perlite, probably due to the broken hollow particles. The insulation board prepared with fumed silica as a main filler is difficult to form their shape, and the minimum thermal conductivity is 0.172 8 W·m-1·K-1 for the formed sample. When a mass ratio of perlite and fumed silica in silicone rubber is 37.5% and the product thickness is 2.5 cm, the minimum thermal conductivity is 0.034 9 W·m-1·K-1, and the back-side temperature is 67 ℃ after heating at 250 ℃ for 4 min, which basically meets the application requirements of thermal insulation materials for tobacco facility.

perlite  /  fumed silica  /  silicone rubber composites  /  thermal insulating material
王威, 孔波, 陈淑梅, 吕书培, 苗超, 柯学, 王森咏, 王文君, 欧阳静. 膨胀珍珠岩及气相二氧化硅填充硅橡胶复合材料的制备与隔热性能. 硅酸盐学报, 2023 , 51 (4) : 975 -981 . DOI: 10.14062/j.issn.0454-5648.20220619
Wei WAGN, Bo KONG, Shumei CHEN, Shupei LYU, Chao MIAO, Xue KE, Senyong WANG, Wenjun WANG, Jing OUYANG. Preparation and Performance Regulation of Perlite and Fumed Silica Composited Silicone Rubber for Thermal Insulation Materials[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 975 -981 . DOI: 10.14062/j.issn.0454-5648.20220619
Appendix
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Year 2023 volume 51 Issue 4
27
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Article Info
doi: 10.14062/j.issn.0454-5648.20220619
  • Receive Date：2022-07-30
  • Online Date：2026-10-20
  • Published：2023-04-20
Article Data
Affiliations
History
  • Received：2022-07-30
  • Revised：2022-09-14
Funding
Affiliations
    1.Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, China
    2.Hunan Key Lab of Mineral Materials and Application, Central South University, Changsha 410083, China
    3.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

Corresponding:

OUYANG Jing (1980-), male, Ph.D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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