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| 反相气相色谱法表征稀土顺丁橡胶的表面性质 | |
| 引用本文： | 马凤云,王强,唐军,田华,宋玉萍,徐文清. 反相气相色谱法表征稀土顺丁橡胶的表面性质[J]. 弹性体, 2011, 21(4): 43-45,65 |
| 作者姓名： | 马凤云 王强 唐军 田华 宋玉萍 徐文清 |
| 作者单位： | 1. 新疆大学化学化工学院,新疆 乌鲁木齐,830046 2. 新疆大学理化测试中心,新疆 乌鲁木齐,830046 3. 独山子石化设计研究院,新疆 独山子,833600 |
| 基金项目： | 2007年国家科技支撑计划项目(2007BAE32B00); “十一·五”新疆维吾尔自治区科技攻关项目(200732139) |
| 摘 要： | 采用反相气相色谱技术分别在30℃、40℃、50℃、60℃、70℃温度下,对顺丁橡胶的表面色散自由能与表面Lewis酸碱性质进行测试。分别测得2种顺丁橡胶在给定温度下的表面色散自由能分别为47.18、46.61、46.16、45.99和45.60 mJ/m2;47.12、46.25、45.81、45.65和44.83 mJ/m2。结果表明,该聚丁二烯橡胶为Lewis弱碱性两性聚合物材料,其Lewis酸碱常数为ka=0.35;碱常数kb=1.8。 |
| 关 键 词： | 反相气相色谱 酸碱性质 表面色散自由能 钕催化剂 顺丁橡胶 |
Characterizing surface properties of rare earth-based cis-1,4-polybutadiene rubber by using inverse gas chromatography |
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| MA Feng-yun,WANG Qiang,TANG Jun,TIAN Hua,SONG Yu-ping,XU Wen-qing. Characterizing surface properties of rare earth-based cis-1,4-polybutadiene rubber by using inverse gas chromatography[J]. China Elastomerics, 2011, 21(4): 43-45,65 | |
| Authors: | MA Feng-yun WANG Qiang TANG Jun TIAN Hua SONG Yu-ping XU Wen-qing |
| Affiliation: | MA Feng-yun1,WANG Qiang2,TANG Jun2,TIAN Hua1,SONG Yu-ping3,XU Wen-qing3(1.College of Chemistry,Xinjiang University,Urumqi 830046,China,2.Physics and Chemistry Detect Center,3.Institute of Dushanzi Petrochemical Company,Ltd.,PetroChina,Dushanzi 833600,China) |
| Abstract: | Inverse gas chromatography technology was applied to characterize the surface properties of cis-1,4-polybutadiene rubber synthesized by using neodymium catalyst.The dispersive components of free energy of two rubbers were 47.18,46.61,46.16,45.99 and 45.60 mJ/m2,47.12,46.25,45.81,45.65 and 44.83 mJ/m2 at 30 ℃,40 ℃,50 ℃,60 ℃ and 70 ℃,respectively.The results indicated that the Lewis acidic number ka of the rubbers was 0.35 and basic number kb was 1.8.This meant that the material was weak basic Lewis amphoteric polymer. |
| Keywords: | inverse gas chromatography acid-base properties surface free energy neodymium catalyst cis-polybutadiene rubber |
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