ATR-FTIR absorption spectra and appearance for FFKM O
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 geothermal …
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 …
FT-IR spectrum of Type A fluoroelastomer. - ResearchGate
Attenuated total reflectance (ATR) Fourier transform infrared (FTIR) measurements were performed on 10 different lots of FK-800, 5 different lots of Oxy 461, and 3 different lots of …
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 …
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 …
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 …
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 …
Accelerated Aging Behaviors and Mechanism of Fluoroelastomer …
2020年5月21日 · Three-stage physical diffusion process is defined in FKM-O due to the competition between oil diffusion and elastic retraction of network. FTIR results reveal that the …
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 …
chemical (oxidation rates, FTIR spectra, solvent uptake, gel content, and weight loss vs. temperature) or physical (modulus profiles) measurements that could explain the visually …