聚丙烯（pp） 聚丙烯的结构相对于聚乙烯，就多加了一个-CH3的甲基。 甲基与亚甲基长得很像，就多了一个H而已，那么他们之间的红外谱图有什么不一样呢？

Our study focuses on modifying the surfaces of polypropylene melt‐blown membranes. An effective, one‐step, suitable, and reliable method to graft a bioactive polymer, sodium …

2021年9月28日 · ポリプロピレンは、ポリエチレンと並んで生産量が多く、異物分析で遭遇する可能性が高いポリマーの一つです。 ポリプロピレンの分子構造は、 であり、メチレン基 ― …

Fig. 3 shows the infrared spectrum of the PP matrix, where a peak can be observed at 2920 cm -1 , a characteristic of the CH 3 groups of polypropylene. The peaks at 1716 cm -1 and 970 cm -1...

2018年11月10日 · IR spectra, Raman spectra and WAXS patterns of PP/COC blends are useful to track the uniformity of blending and determine the blend composition. In this study, …

Infrared (IR) spectroscopy is suitable for qualitative analysis of initial polymer materials and end products. With this technique, components of polymer mixtures can be measured and in …

The results of the study showed that differences in the chemical composition and morphology of PP films (PP) after UV-B irradiation and Q-SUN irradiation were not observed. ...

Infrared (IR) and Raman spectroscopy probe the vibrational spectrum by absorption and inelastic scattering, respectively. In many cases these two techniques are complementary. For a …

pp-ref（虚线）和 pp-fr（实线）的几种重要分解产物的 tga 曲线和排放简图 (gc/ms) 以及官能团色谱图 (ftir)。 实验结论 通过 TGA/DSC-IST16/GC/MS-FTIR 研究了带阻燃剂 (PP-FR) 和不带阻 …

2021年11月1日 · In this installment, we look at the spectra of more hydrocarbon polymers, including polypropylene and polystyrene. We look at the IR spectra of these materials in detail, …