通过自制丙烯酸酯类核壳结构弹性体(ACR)对PLA进行增韧,来提高其冲击性能.在ACR制备过程中,先采用种子乳液聚合法制备了一系列不同粒径的PBA核层乳液,再进一步聚合得到壳层PMMA.将ACR与PLA共混,对共混物进行了一系列测试,结果表明:ACR的加入显著提高了PLA的冲击性能,并在8～15％以后达到最大,其增韧效果可达10～12倍,同时其拉伸性能并没有受到明显影响.进一步探讨了ACR的粒径、核壳比、用量等因素对增韧效果的影响.
参考文献
| [1] | Long Yang;Songchao Tang;Jing Li;Jianrong Xu .Preparation and Characterization of Po1y (Butyl acrylate/Methyl methacrylate) Core-Shell Latex/Montmorillonite Nanocomposites via in-situ Emulsion Polymerization[J].Polymeric Materials Science and Engineering,2008,99:833-834. |
| [2] | Auras;Harte;Selke .An overview of polyactides as packaging materials[J].Macromolecular Bioscience,2004,4:835-864. |
| [3] | H.Kaezmarek;I.Vukovic Kwiatkowska .Preparation and characterization of interpenetrating networks based on polyacrylates and poly (lactic acid)[J].EXPRESS Polymer Letters,2012,6(01):78-94. |
| [4] | Long Jiang;Michael P.Wolcott;Jinwen Zhang .Study of Biodegradable Polylactide/Poly (butylenes adipate-coterephthalate) Blends[J].Biomacromolecules,006(07):199-207. |
| [5] | Yongjin Li;Hiroshi Shimizo .Toughening of Polylactide by Melt Blending with a Biodegradable Poly(ether)urethane Elastomer[J].Macromolecular Bioscience,2007,7:921-928. |
| [6] | Anderson KS.;Lim SH.;Hillmyer MA. .Toughening of polylactide by melt blending with linear low-density polyethylene[J].Journal of Applied Polymer Science,2003(14):3757-3768. |
| [7] | Su, ZZ;Li, QY;Liu, YJ;Hu, GH;Wu, CF .Compatibility and phase structure of binary blends of poly(lactic acid) and glycidyl methacrylate grafted poly(ethylene octane)[J].European Polymer Journal,2009(8):2428-2433. |
| [8] | Yongjin Li;Hiroshi Shimizu .Improvement in toughness of poly(L-lactide) (PLLA) through reactive blending with acrylonitrile-butadiene-styrene copolymer (ABS): Morphology and properties[J].European Polymer Journal,2009(3):738-746. |
| [9] | Liu, H.;Chen, F.;Liu, B.;Estep, G.;Zhang, J. .Super toughened poly(lactic acid) ternary blends by simultaneous dynamic vulcanization and interfacial compatibilization[J].Macromolecules,2010(14):6058-6066. |
| [10] | Oyama, HI .Super-tough poly(lactic acid) materials: Reactive blending with ethylene copolymer[J].Polymer,2009(3):747-751. |
| [11] | Ho CH;Wang CH;Lin CI;Lee YD .Synthesis and characterization of TPO-PLA copolymer and its behavior as compatibilizer for PLA/TPO blends[J].Polymer: The International Journal for the Science and Technology of Polymers,2008(18):3902-3910. |
| [12] | Megan L.Robertson;Kwanho Chang;William M .Gramlich,Marc A.Hillmyer.Toughening of Polylactide with Polymerized Soybean Oil[J].Macromolecules,2010,43:1807-1814. |
| [13] | Xiao-Lin Xie;Robert Kwok-Yiu Li;Qing-Xi Liu;Yiu Wing Mai .Structure-property relationships of in-situ PMMA modified nano-sized antimony trioxide filled poly(vinyl chloride) nanocomposites[J].Polymer: The International Journal for the Science and Technology of Polymers,2004(8):2793-2802. |
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%