Polyethylene high-energy oxidation

For using lithium batteries (which generally have high energy densities) under extreme conditions, more durable and better conducting electrolytes are necessary. Salt-in-polymer electrolytes discovered by Angell et al. (1993) seem to provide the answer. Polypropylene oxide or polyethylene oxide is dissolved in low melting point mixtures of lithium salts to obtain rubbery materials which are excellent lithium-ion conductors at ambient temperatures. 

On low energy surfaces such as polyethylene, polypropylene, or polytetrafluoroethylene many liquids have finite contact angles and Tre values are generally zero (3). On high energy surfaces such as most mineral oxides most liquids have no contact angle, tt6 values are quite appreciable and... 

There have been only a few reports of mesostructured metal sulfides. Mesoporous cadmium sulfide was prepared from polyethylene oxide surfactants and cadmium salts exposed to hydrogen sulfide [35], A study of the effects of the counter-anion on the formation of CdS mesostructures led to the conclusion that the use of cadmium nitrate and perchlorate salts improved the degree of order of the mesostructure over the chloride, sulfate and acetate salts. This effect was attributed to the stronger acidity of conjugate acid by-products of the reaction in the case of nitrates that leads to the dissolution of high-energy defects and enhances structural order. 

C NMR Observation of the Effects of High Energy Radiation and Oxidation on Polyethylene and Model Paraffins... 

The oxidation of high energy irradiated polymers progresses in relation with their basic component structure and formulation, which is initiated by the scission of backbones. The activation energy (Ea) required for oxidative degradation is the key of stability evaluation. The values of activation energies are placed on the range between 100 and 120 kJ moF for different classes of insulation materials (polyethylene, ethylene-propylene copolymer, poly(vinyl chloride) used in the manufactures of cables for nuclear power plants [176]. The life time allows the prediction... 

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