以过氧化二苯甲酰(BPO)为引发剂,苯为溶剂,进行了聚乙烯蜡(PEW)和醋酸乙烯酯(VA)的溶液接枝聚合.实验考察了反应温度、反应时间及BPO和VA用量对接枝率、转化率和接枝效率的影响,得到了接枝率0～19.8%的接枝物.粘度和凝点实验结果表明,接枝物在良溶剂甲苯(TOL)中的特性粘数[η]随接枝率的增大而升高;接枝物的接枝率为13%～17%时对模拟油(4%大庆石蜡/甲苯和4%大庆石蜡/正己烷)的降凝效果最好.
参考文献
| [1] | Gilby G W .Proceedings of the 2nd International Conference on Chemicals in the Oil Industry[J].Royal Society of Chemistry London,1983,45:108. |
| [2] | 徐僖;张富;张洁辉.[J].油田化学,1984(01):232. |
| [3] | 戚国荣,钱锦文,刘清林.EVA流动改进剂的分子量及分子量分布对大庆原油流变性的影响[J].功能高分子学报,1994(04):426-432. |
| [4] | QIAN Jinwen,QI Guorong,DING Xinzhe,YANG Shiling.COMPATIBILITY STUDIES ON POLYMER/WAX AND POLYMER/RESIN-ASPHALTENE BY VISCOMETRY AND PHOTOMICROGRAPHY[J].高分子科学（英文版）,1997(01):34-39. |
| [5] | Qian J W et al.[J].Fuel,1996,75(03):307. |
| [6] | Qian JW;Qi GR;Cheng RS .Association of ethylene-vinyl acetate copolymer in dilute solutions .1. Solvent, concentration and annealing temperature effect[J].European Polymer Journal,1997(8):1263-1265. |
| [7] | Qian JW.;Fang ZB.;Cheng RS.;Qi GR. .Association of ethylene-vinyl acetate copolymer in dilute solutions - II. Molecular weight, vinyl acetate content and cooling process effect[J].European Polymer Journal,1998(3/4):445-447. |
| [8] | Qian Jinwen,Li Jing,Yang Yunsong,Qi Guorong.ASSOCIATION OF ETHYLENE-VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION[J].高分子科学（英文版）,1998(04):327-331. |
| [9] | Jin-wen Qian,Jing Li,Guo-rong Qi,Lin-xian Feng.ASSOCIATION OF ETHYLENE VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅳ.SOLVENT MIXTURE AND ADDITIVE EFFECT ON CA[J].高分子科学（英文版）,1999(04):323-328. |
| [10] | Qian J W et al.[J].Fuel,1996,72(05):161. |
| [11] | Qian JW.;Xu YL.;Yang SL.;Qi GR. .SOLVENT EFFECT ON THE ACTION OF ETHYLENE-VINYL ACETATE COPOLYMER POUR POINT DEPRESSANT IN WAXY SOLUTIONS[J].Journal of Applied Polymer Science,1996(10):1575-1578. |
| [12] | Qian JW.;Qi GR.;Wu C.;Wang XH. .INTER- AND INTRACHAIN ASSOCIATIONS OF AN ETHYLENE-VINYL ACETATE RANDOM COPOLYMER IN DILUTE 1,2-DICHLOROETHANE SOLUTIONS[J].Macromolecules,1997(11):3283-3287. |
| [13] | Yamakawa S .[J].Journal of Applied Polymer Science,1976,20:3057. |
| [14] | Saleem M et al.[J].Journal of Applied Polymer Science,1990,39:655. |
| [15] | 林明德 .[J].塑料工业,1990,1(01):15. |
| [16] | 郑晓霞 等.[J].合成树脂及塑料,1998,15(01):17. |
| [17] | Gabara W et al.[J].Journal of Polymer Science Part A:Polymer Chemistry,1967,5:1547. |
| [18] | Porejko S et al.[J].Journal of Polymer Science Part A:Polymer Chemistry,1967,5:1563. |
| [19] | Wong Shing J B et al.[J].Journal of Polymer Science Part A:Polymer Chemistry,1995,33:633. |
| [20] | Liu N C et al.[J].Journal of Applied Polymer Science,1990,41:2285. |
| [21] | 李象荣 等.[J].石油炼制与化工,1994(25):54. |
| [22] | Qi G R.International Symposium on Fine Chemistry and Functoinal Polymers Proceedings[C].,1992:41. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%