ATR-FTIR absorption spectra and appearance for FFKM O
The structural and chemical changes of the FKM were studied using ATR-FTIR, SEM-EDS and MAS NMR, which demonstrated the occurrence of decrosslinking via hydrolysis of the …
Degradation mechanism of FKM during thermo-oxidative aging …
2023年2月1日 · FTIR suggests that the structure degradation starts with the exocyclic C-N bond breakage of the TAIC which seems to be the crosslink node of the system. Nonetheless, after …
Detection of the Destruction Mechanism of Perfluorinated …
2022年3月11日 · The changes of crosslinking network of perfluorinated elastomer (FFKM) cured by TAIC and DBPH under thermo-oxidative aging conditions were investigated. Two …
2021年11月23日 · The TGA-FTIR-GC-MS system consisted of a TGA 8000, a FTIR spectrometer, and a Clarus 690/SQ8T GC-MS, all from Perkin Elmer, USA. The FFKM samples were heated …
Characterization of fluoroelastomers by various analytical …
2014年9月1日 · Results of DSC, TGA, FT-IR and py-GC/MS analysis of fluoroelastomers are presented. Py-GC/MS method for the positive identification of four fluoroelastomers is …
Fourier-transform infrared (FTIR) spectra of ... - ResearchGate
Download scientific diagram | Fourier-transform infrared (FTIR) spectra of fluorocarbon rubber (FKM) and FKM and hydrogenated nitrile-butadiene rubber (HNBR) blend with varying …
Degradation of different elastomeric polymers in simulated geothermal ...
2015年10月1日 · This study evaluates the degradation of six different elastomeric polymers used for O-rings: EPDM, FEPM, type I- and II-FKM, FFKM, and FSR, in five different simulated …
热氧化老化条件下全氟弹性体（FFKM）网络破坏 ... - X-MOL
研究了TAIC和DBPH固化的全氟弹性体 (FFKM)在热氧化老化条件下交联网络的变化。 后固化和网络破坏两个竞争过程同时发生，直接影响储能模量和交联密度。 随着老化温度的升高，网络 …
FTIR spectra of pure EPDM and IFR-EPDM composite at different ...
FTIR spectra of pure EPDM and IFR-EPDM composite at different temperatures (a: pure EPDM, b: EPDM-3). An effective intumescent flame retardant (IFR) system, consisting of …
带你用红外光谱法鉴别氟橡胶的类型 - 知乎 - 知乎专栏
红外光谱又称傅里叶红外光谱，是根据分子内部原子间的相对振动和分子转动等信息来确定物质分子结构和鉴别化合物的。 当一束具有连续波长的红外光通过物质，物质分子中某个基团的振 …