
Confined crystallization and polymorphism in iPP thin films
2022年8月22日 · The morphological and structural evolution of isotactic polypropylene (iPP) in thin and ultrathin films casted by hot-solution spin coating is investigated by means of atomic …
摘 要:利用偏光显微镜(plm)和广角x 射线衍射法(xrd)对β 成核聚丙烯的结晶行为的表征,以及拉伸性 能和冲击性能测试研究的结果表明:β 成核剂的加入使聚丙烯中有β 晶型出现,随着成核剂 …
XRD analysis of PP and β-PP. | Download Table - ResearchGate
In this paper, propylene–ethylene copolymer (POP) is used to toughen the PP-based shielding layer. The effects of POP content (40 parts, 50 parts and 60 parts) on the electrical and …
X-ray diffraction (XRD) curves of stretched Isotactic polypropylene ...
X-ray Diffraction (XRD) curves of the iPP sheets under different stretching conditions are shown in Figure 1. In comparison to the unstretched iPP sheet, the diffraction...
Shear-induced crystallisation of molten isotactic polypropylene …
2014年2月1日 · Analysis of the phase iPP composition in the composite using XRD and DSC revealed a dominating α-phase with polymer molecules uniaxially oriented in the same …
Lamellar orientation in isotactic polypropylene thin films: a ...
2018年10月29日 · In this study, the lamellar orientation in iPP thin films on silicon wafer substrates was investigated using polarizing optical microscopy (POM), AFM, and GIWAXD. …
Study of thermo-oxidative chemical pre-treatment of isotactic ...
2014年10月16日 · A few thin films of iPP were treated with oxidizing solution at 90 °C. The crystalline properties were analyzed using XRD, and it had shown the presence of the α …
X-ray diffraction data of (a) polypropylene (PP), (b) a hydrophilic...
This is illustrated clearly in Fig. 1, which shows X-ray diffraction (XRD) data for mixtures of an impact polypropylene copolymer (Carmel Olefins S.A.; melt flow index, MFI, 25), PP, with either...
Preparation and characterization of wollastonite with a β …
2013年3月20日 · Wide-angle XRD experiments of iPP and iPP composites filled by wollastonite with a β-nucleating surface were conducted with a Rigaku Geigerflex Model D/Max-IIIA …
Real time in situ X-ray diffraction studies on the melting memory ...
2002年2月1日 · Our results represent the first documentation of the melting memory effect of β-iPP using real-time in situ X-ray diffraction studies. This paper also takes into consideration …
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