张晓芳;李运会;布祎;

• 1:南阳农业职业学院

摘要(Abstract)：

从环境影响和控制成本的角度考虑,得到高表面质量的微发泡制品具有一定的难度。通过添加模具涂层实现被动成型温度的控制已经受到了极大的关注。在该研究中,将不同厚度ZrO2材料涂覆在模具型腔表面,使用P20作为模具材料进行微孔注塑成型PP熔体,通过使用Ansys Workbench正交模拟优化分析熔体与模具的界面温度,模拟结果显示涂层厚度对界面传热速率影响最为显著,最终得到在ZrO2涂层作用下最优参数组合:模具温度60oC,熔体温度240oC,涂层厚度0.4 mm,为改善微发泡制品表面质量提供数据支持。

关键词(KeyWords)： 微孔注塑成型;涂层;界面传热速率;模拟分析

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 张晓芳;李运会;布祎;

DOI: 10.15925/j.cnki.issn1005-3360.2021.01.003

参考文献(References)：

• [1] Stevenson J F. Innovation in polymer processing:Molding[M].Munich:Hanser, 1996:93-149.
• [2] Kwag C, Manke C W, Gulari E. Rheology of molten polystyrene with dissolved supercritical and near-critical gases[J]. Journal of Polymer Science Part B:Polymer Physics, 1999, 37(19):2 771-2 781.
• [3] Royer J, Gay Y J, Desimone J M, et al. High-pressure rheology of polystyrene melts plasticized with CO2:Experimental measurement and predictive scaling relationships[J]. Journal of Polymer Science Part B:Polymer Physics, 2000, 38(23):3 168-3 180.
• [4] Kwag C Y, Manke C W, Gulari E. Effects of dissolved gas on viscoelastic scaling and glass transition temperature of polystyrene melts[J]. Industrial&Engineering Chemistry Research, 2001, 40(14):3 048-3 052.
• [5] Kramschuster A, Cavitt R, Ermer D, et al. Effect of processing conditions on shrinkage and warpage and morphology of injection moulded parts using microcellular injection moulding[J]. Plastics Rubber&Composites, 2006, DOI:10.1179/174328906X128199.
• [6]张亚涛,李海梅,黄世欣,等.微发泡注塑成型PC制件的表面缺陷及形态分析[J].高分子材料科学与工程, 2010, 26(4):127-130.
• [7] Cha S W, Yoon J D. Label behavior property attached on microcellular foamed parts[J]. Journal of Applied Polymer Science, 2010, 98(1):289-293.
• [8] Bledzki A K, Kirschling H, Steinbichler G, et al. Polycarbonate microfoams with a smooth surface and higher notched impact strength[J]. Journal of Cellular Plastics, 2004, 40(6):489-496.
• [9] Chen S C, Lin Y W, Chien R D, et al. Variable mold temperature to improve surface quality of microcellular injection molded parts using induction heating technology[J]. Advances in Polymer Technology:Journal of the Polymer Processing Institute, 2008, 27(4):224-232.
• [10] Yoon J D, Hong S K, Kim J H, et al. A mold surface treatment for improving surface finish of injection molded microcellular parts[J].Cellular Polymers, 2004, 23(1):39-48.
• [11] Turng L S, Kharbas H. Development of a hybrid solid-microcellular coinjection molding process[J]. International Polymer Processing, 2004,19(1):77-86.
• [12]凯尔文T·奥卡莫特.微孔塑料成型技术[M].张玉霞译.北京:化学工业出版社, 2004.
• [13] Cha S W, Yoon J D. The relationship of mold temperatures and swirl marks on the surface of microcellular plastics[J]. Polymer-Plastics Technology and Engineering, 2005, 44(5):795-803.