Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost

Xiang Liu; Yanli Wang; Liang Zhan

doi:10.1016/j.cjche.2017.04.012

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Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost

Materials and Product Engineering | Updated：2026-01-06

- Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost
- Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost
- 中国化学工程学报（英文版） 2018年26卷第2期页码：415-420
- Affiliations：
  
  1. 2 Key Laboratory for Specially Functional Polymers and Related Technology of Ministry of Education, East China University of Science and Technology,Shanghai,China,200237
  2. 3 Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology,Shanghai,China,200237
  3. 4 CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences,Taiyuan,China,030001
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.04.012
  中图分类号：
- 纸质出版：2018
- Accepted：
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Xiang Liu, Yanli Wang, Liang Zhan. Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost[J]. 中国化学工程学报（英文版）, 2018,26(2):415-420.

Xiang Liu, Yanli Wang, Liang Zhan. Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost[J]. Chin.J.Chem.Eng., 2018, 26(2): 415-420.
Xiang Liu, Yanli Wang, Liang Zhan. Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost[J]. 中国化学工程学报（英文版）, 2018,26(2):415-420. DOI： 10.1016/j.cjche.2017.04.012.

Xiang Liu, Yanli Wang, Liang Zhan. Carbon foams prepared from coal tar pitch for building thermal insulation material with low cost[J]. Chin.J.Chem.Eng., 2018, 26(2): 415-420. DOI： 10.1016/j.cjche.2017.04.012.

摘要

Abstract

A new approach is provided to resolve the large-scale applications of coal tar pitch. Carbon foams with uniform pore size are prepared at the foaming pressure of normal pressure using coal tar pitch as raw materials. The physical and chemical performance of high softening point pitch (HSPP) can be regulated by vacuumizing owing to the cooperation of vacuumizing and polycondensation. Results indicate that the optimum softening point and weight ratio of quinoline insoluble are about 292℃ and 65.7%

respectively. And the optimum viscosity of HSPP during the foaming process is distributed in the range of 1000-10000 Pa·s. The resultant carbon foam exhibits excellent performance

such as uniform pore structure

high compressive strength (4.7 MPa)

low thermal conductivity (0.07 W·m

-1

·K

-1

)

specially

it cannot be fired under the high temperature of 1200℃. Thus

this kind of carbon foam is a potential candidate for thermal insulation material applied in energy saving building.

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