Tuning barrier properties of low-density polyethylene: Impact of amorphous region nanostructure on gas transmission rate

The deposited data contain results obtained from measurements: DSC, WAXS, SAXS, SEM, FTIR-ATR, DMTA, TGA, bulk density and oxygen permeation measurements.The attached data are provided in the form of text files as well as source files typical for the respective software used.The attached data were obtained using the following instruments: differential scanning calorimeter (DSC, Q20 TA Instruments, New Castle, DE, USA); X-ray diffractometer (DRON) coupled to a sealed-tube source of filtered CuKα radiation (λ = 0.154 nm), operating at 50 kV and 40 mA (Panalytical, The Netherland); 2D small-angle X-ray scattering (2D SAXS) diffractometer; scanning electron microscope (SEM, Jeol JSM 5500LV, Tokyo, Japan); fourier transform infrared (FTIR) spectrometer (Nicolet 6700, Thermo Scientific, Waltham, MA, USA); dynamic mechanical thermal analyzer (DMTA, Q-800, TA Instruments, New Castle, DE, USA); thermogravimetric analyzer (TGA, Hi-Res TGA 2950, TA Instruments, New Castle, USA); density gradient column (DCG) and permeability analyzer (XS/Pro-Totalperm, ExtraSolution, Italy).

本次提交的数据集包含通过多项测试获得的结果：差示扫描量热法（Differential Scanning Calorimetry, DSC）、广角X射线衍射（Wide-Angle X-ray Scattering, WAXS）、小角X射线散射（Small-Angle X-ray Scattering, SAXS）、扫描电子显微镜（Scanning Electron Microscope, SEM）、傅里叶变换红外衰减全反射光谱法（Fourier Transform Infrared-Attenuated Total Reflection, FTIR-ATR）、动态力学热分析（Dynamic Mechanical Thermal Analysis, DMTA）、热重分析（Thermogravimetric Analysis, TGA）、体积密度测试以及氧气渗透测试结果。随附的数据以文本文件以及对应所用专业软件的标准源文件格式提供。本次测试所使用的仪器如下：差示扫描量热仪（Differential Scanning Calorimeter, DSC, Q20型，TA仪器公司，美国特拉华州纽卡斯尔市）；X射线衍射仪（DRON型），搭配密封管过滤CuKα辐射源（波长λ=0.154 nm），工作电压50 kV、电流40 mA（帕纳科公司，荷兰）；二维小角X射线散射（2D SAXS）衍射仪；扫描电子显微镜（SEM, Jeol JSM 5500LV型，日本东京）；傅里叶变换红外光谱仪（Fourier Transform Infrared, FTIR, Nicolet 6700型，赛默飞世尔科技（Thermo Scientific），美国马萨诸塞州沃尔瑟姆市）；动态力学热分析仪（Dynamic Mechanical Thermal Analyzer, DMTA, Q-800型，TA仪器公司，美国特拉华州纽卡斯尔市）；热重分析仪（Thermogravimetric Analyzer, TGA, Hi-Res TGA 2950型，TA仪器公司，美国纽卡斯尔市）；密度梯度柱（DCG）以及透气性分析仪（XS/Pro-Totalperm型，ExtraSolution公司，意大利）。