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| Manufacture of Low Temperature Type Heat Insulation Paper Based on In-situ Synthesis of Magnesium Aluminum Silicate |
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| DOI：10.11980/j.issn.0254-508X.2012.02.003 |
| Key Words:in-situ synthesis magnesium aluminum silicate heat insulation paper |
| Fund Project:东北林业大学研究生科技创新项目(gram09)。 |
| Author Name | Affiliation | | 莫继承1 | 1.东北林业大学材料科学与工程学院, 黑龙江哈尔滨, 150040 | | 于 钢1 | 1.东北林业大学材料科学与工程学院, 黑龙江哈尔滨, 150040 | | 陈 宇1 | 1.东北林业大学材料科学与工程学院, 黑龙江哈尔滨, 150040 | | 闫晓婷2 | 2.天津科技大学材料科学与化学工程学院,天津,300222 | | 张 颖2 | 2.天津科技大学材料科学与化学工程学院,天津,300222 |
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| Abstract:The feasibility and process conditions of heat insulation paper manufacture based on in-situ synthesis of magnesium aluminum silicate in the hard wood pulp fibers were investigated. The results indicated that the better process conditions for manufacture of magnesium aluminum silicate heat insulation paper as the follows: the concentration of sodium silicate was 0.5 mol/L, the volume ratio of alumina sulfate (23 mol/L) and magnesium sulfate (1 mol/L) solution was 4∶6, the reaction time and temperature was 30 min and 70℃ respectively. Compared with the base paper, coefficient of heat conductivity of the paper reduced by 38.55%, and the brightness increased by 32%, however, the strength was lower than base paper. The synthetic material, microstructure and properties of the heat insulation paper were observed by SEM-EDAX. The results showed that the manufacture condition was easy to fulfill; the magnesium aluminum silicate was deposited on the fibers surface and in the fiber cells. |
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