通过熔融共混法制备了PC/HBPS共混物,研究了其流变特性.结果表明,此共混物属于假塑性流体,随着HBPS含量的增加,非牛顿指数增加;随着剪切速率的增加,表观黏度下降,但下降趋势较缓慢;随着温度的增加,表观黏度下降,但下降趋势很快;共混物的粘流活化能都比纯PC的粘流活化能高;随着HBPS含量的增加,表观黏度下降.
参考文献
| [1] | Mori H;Bker A;Krausch G et al.[J].Macromolecules,2001,34:6871. |
| [2] | Khan M.;Huck WTS. .Hyperbranched polyglycidol on Si/SiO2 surfaces via surface-initiated polymerization[J].Macromolecules,2003(14):5088-5093. |
| [3] | Mulkern T.J.;Tan N.C.Beck .Processing and characterization of reactive polystyrene/hyperbranched polyester blends[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(9):3193-3203. |
| [4] | Nunez CM.;Andrady AL.;Khan SA.;Chiou BS. .Solution rheology of hyperbranched polyesters and their blends with linear polymers[J].Macromolecules,2000(5):1720-1726. |
| [5] | Huber T;Ptschke P;Pompe G et al.[J].Macromolecular Materials and Engineering,2000,33:280. |
| [6] | Li A Y;Chang J Y;Wang K Q et al.[J].Polymer International,2006,55(05):565. |
| [7] | 唐晓斗,陈燕,平蕾,奚涛.低分子量聚碳酸酯的流变特性研究[J].高分子材料科学与工程,1999(02):69-72. |
| [8] | Schmaljohann D.;Haessler R.;Voit B.I.;Froehling P.E.;Mostert B.;Loontjens J.A.;Poetschke P. .Blends of amphiphilic, hyperbranched polyesters and different polyolefins[J].Macromolecules,1999(19):6333-6339. |
| [9] | Uppuluri A;Keinath S E;Tomalia D A et al.[J].Macromolecules,1998,31:4498. |
| [10] | Jahromi S.;Palmen J.H.M. .Rheology of Side Chain Dendritic Polymers[J].Macromolecules,2000(2):577-581. |
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