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Thermoplastic polyurethane (TPU) electrolytes with lithium salts were prepared by an in-situ polymerization method. Three different lithium salts were used to study the effects of the anion structure on the properties of polyurethane electrolytes: LiCl, LiClO 4 , LiN(SO 2 CF 3 ) 2 (LiTFSI). The effects of the anion structure on monomer (PTMG) prior to polymerization...
Polymer electrolytes based on thermoplastic polyurethane (TPU) and polyether modified polysiloxane (PEMPS) blend with lithium salts were developed via an in-situ polymerization of TPU with the presence of PEMPS and salts. Morphological study of TPU/PEMPS electrolytes showed that TPU and PEMPS were immiscible and TPU/PEMPS electrolytes had a multiphase morphology. The lithium salt enhanced the interfacial...
Polymeric lithium salts of sulfonated polysulfone (SPSU(X)Li) were synthesized via post sulfonation route followed by ion exchange. A novel single ion conducting solid polymer electrolyte (SPE) was prepared by curing poly(ethylene glycol)diglycidyl ether (PEGDGE) with 4,4′ diaminodiphenyl sulfone (DDS) in SPSU(X)Li matrix. The ionic conductivity, thermal stability and tensile properties were investigated...
In this study, bisphenol A polyetherimide (PEI) was sulfonated by a novel postsulfonation route using trimethylsilylchlorosulfonate. Different degrees of sulfonation were achieved by varying the mole ratio of the sulfonating agent to the PEI repeat unit and the reaction time. Comparison was made with respect to bisphenol A polysulfone (PSU) to study the influence of electron withdrawing group in the...
In this study, new anhydrous proton conducting polyelectrolytes were prepared based on sulfonated bisphenol A polyetherimide (SPEI) and 1H-1,2,4-triazole (Taz) as a solid state proton solvent. The effect of degree of sulfonation and triazole concentration on size, shape and dispersibility (crystal morphology) of triazole crystals in sulfonated polyetherimide were examined and correlated with proton...
The basic studies of in situ compatibilization process between polystyrene (PS) and polybutylene terephthalate (PBT) are carried out by adding various functionalized polystyrenes with mono, di, tetra hydroxy functions. The tensile mechanical properties of these in situ compatibilized blends are investigated. It is important to control the thermal degradation of PBT during the high temperature processing...
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