用扫描电镜(SEM)观察了气体辅助注射成型(GAIM)和常规注射成型(CIM)等规聚丙烯(iPP)在不同部位的结晶形态.发现CIM试样的"皮一芯"结构不明显,而CAIM试样在不同部位则形成了包括球晶、串晶和取向片晶,进而表现出明显的多层次结构.在结晶形态分析的基础上,初步探讨了CAlM制品多层次结构的形成机理.
参考文献
| [1] | Chien RD;Cheng NT;Chen SC .Study of the bending properties in gas-assisted injection molded fiber-reinforced nylon parts[J].Journal of Reinforced Plastics and Composites,2004(16):1779-1794. |
| [2] | 郑国强,杨伟,杨鸣波,黄鹂,李尉,刘春太,申长雨.气体辅助注射成型PC/PE共混物的形态[J].高分子材料科学与工程,2006(05):193-196. |
| [3] | Zheng GQ;Yang W;Yin B;Yang MB;Liu CT;Shen CY .Morphology of gas-assisted and conventional injection molded polycarbonate/polyethylene blend[J].Journal of Applied Polymer Science,2006(3):3069-3077. |
| [4] | Guo-Qiang Zheng;Li Huang;Wei Yang .Hierarchical crystalline structure of HDPE molded by gas-assisted injection molding[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(19):5486-5492. |
| [5] | Guo-Qiang Zheng;Wei Yang;Li Huang .Flow-induced fiber orientation in gas-assisted injection molded part[J].Materials Letters,2007(16):3436-3439. |
| [6] | Zheng GQ;Yang W;Huang L;Li ZM;Yang MB;Yin B;Li Q;Liu CT;Shen CY .The role of gas penetration on morphological formation of polycarbonate/polyethylene blend molded by gas-assisted injection molding[J].Journal of Materials Science,2007(17):7275-7285. |
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%