Study on modification of glass wool/SiO<sub>2</sub> aerogel combined board

Qiuhui YAN; Xiaoyang SUN; Jieren LUO; Zhiju WU

doi:10.11949/0438-1157.20190497

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Study on modification of glass wool/SiO₂ aerogel combined board

Material science and engineering, nanotechnology | 更新时间：2020-06-24

- Study on modification of glass wool/SiO₂ aerogel combined board
- CIESC Journal Vol. 70, Issue S2, Pages: 363-368(2019)
- 作者机构：
  
  1.西安建筑科技大学建筑设备科学与工程学院，陕西西安710055
  2.西安工程大学城市规划与市政工程学院，陕西西安 710048
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20190497
  CLC： TU 55⁺1
- Received：13 May 2019，
  
  Revised：2019-07-10，
  
  Published：05 September 2019
- 稿件说明：
移动端阅览
闫秋会, 孙晓阳, 罗杰任, 吴志菊. 玻璃棉/SiO₂气凝胶复合板的改性研究[J]. 化工学报, 2019, 70(S2): 363-368 DOI: 10.11949/0438-1157.20190497.

YAN Qiuhui, SUN Xiaoyang, LUO Jieren, WU Zhiju. Study on modification of glass wool/SiO₂ aerogel combined board[J]. CIESC Journal, 2019, 70(S2): 363-368 DOI: 10.11949/0438-1157.20190497.
闫秋会, 孙晓阳, 罗杰任, 吴志菊. 玻璃棉/SiO₂气凝胶复合板的改性研究[J]. 化工学报, 2019, 70(S2): 363-368 DOI: 10.11949/0438-1157.20190497. DOI：

YAN Qiuhui, SUN Xiaoyang, LUO Jieren, WU Zhiju. Study on modification of glass wool/SiO₂ aerogel combined board[J]. CIESC Journal, 2019, 70(S2): 363-368 DOI: 10.11949/0438-1157.20190497. DOI：

摘要

通过选取无水乙醇为溶剂，以SiO

气凝胶为溶质，制备SiO

气凝胶改性溶液，并将其应用于改善玻璃棉的保温性能。通过浸润及常压干燥的方法制取玻璃棉/SiO

气凝胶复合板，研究SiO

气凝胶的质量分数和浸润时间对其性能的影响，并与溶胶-凝胶法制备的玻璃棉/SiO

气凝胶复合板相比。研究表明SiO

气凝胶的质量分数和浸润时间对玻璃棉/SiO

气凝胶复合板的性能有显著影响。当SiO

气凝胶质量分数达到8%且浸润时间为20 min时，玻璃棉/SiO

气凝胶复合板的短期吸水率、热导率分别下降了38.09%、18.32%，抗压强度上升了102.89%。与溶胶-凝胶法相比，本方法具有制备周期短、工艺较为简洁、成本低等优点，更适宜于大规模生产应用。

Abstract

The modified solution of SiO

aerogel was prepared by selecting anhydrous ethanol as solvent and SiO

aerogel as solute and was used to improve the thermal insulation performance of glass wool. Glass wool/SiO

aerogel combined boards were prepared by infiltration and prevailing pressure drying. The influence of the mass fraction of SiO

aerogel and the infiltration time on its performance was studied

and compared with the glass wool/SiO

aerogel combined board prepared by sol-gel method. The results show that the mass fraction of SiO

aerogel and infiltration time have significant influence on the properties of glass wool/SiO

aerogel combined board. When the mass fraction of SiO

aerogel reached 8% and the infiltration time was 20 min，the short-term water absorption and thermal conductivity of glass wool/SiO

aerogel combined board decreased by 38.09% and 18.32% respectively

and the compressive strength increased by 102.89%. Compared with sol-gel method

this method has the advantages of shorter preparation cycle

simpler process and lower cost

and is more suitable for large-scale production.

关键词

Keywords

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Study on modification of glass wool/SiO2 aerogel combined board

DOI：10.11949/0438-1157.20190497

摘要

Abstract

关键词

Keywords

references

Study on modification of glass wool/SiO₂ aerogel combined board