
Confined crystallization and polymorphism in iPP thin films
2022年8月22日 · The iPP γ-form has been also found to grown as a branched lamellar structure from a α-monoclinic crystallite ... The (110) peak found at 9.9 nm −1 is known to be the most …
图2 为β 成核剂改性ipp 样品的广角x 射线衍 射(xrd)图谱。 图2 样品p0、pc1、pc2、pc3 和pc4 的xrd 图谱 从图2 可以看出,ipp 的xrd 图谱中衍射角2θ 分别为14.0°、16.8°、18.4°、21.0° …
Lamellar orientation in isotactic polypropylene thin films: a ...
2018年10月29日 · The crystalline structures of isotactic polypropylene (iPP) thin films were investigated using grazing incident wide-angle X-ray diffraction (GIWAXD), atomic force …
Characterization of stress-whitening of tensile yielded isotactic ...
1997年5月1日 · Figure 4 shows a XRD pattern of an untested iPP specimen, which had a typical ringed pattern resulting from the randomly oriented spherulitic Figure 4 XRD pattern taken …
XRD analysis of PP and β-PP. | Download Table - ResearchGate
Figure 6 shows the XRD spectra of iPP and 1 wt% nano-Lig/iPP composite. iPP showed typical α-crystal difraction peaks at 2θ 14.1°, 16.8°, 18.5°, 21.1°, and 21.8°, which was related to (110 ...
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 …
Structure Development during Shear Flow Induced Crystallization of i-PP …
In situ synchrotron wide-angle X-ray diffraction (WAXD) was used to monitor crystallization of isotactic polypropylene (i-PP) in the subcooled melt at 140 °C after step shear. The melt was …
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 …
X-ray diffraction (XRD) curves of stretched Isotactic polypropylene ...
XRD diffraction curves of iPP sheets under different stretching strains at 3 mm·min −1 with 110 °C are shown in Figure 1 a. The relative content of cylindrites Kβ obtained from Figure 1 a XRD ...
Effects of Solid-State Stretching on Microstructure Evolution and ...
2019年4月3日 · The X-ray Diffraction (XRD) curves of the stretched iPP sheets with different temperatures at 3 mm·min −1 under 15% are shown in Figure 1 c. The β (300) diffraction peak …