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Radiation cured membranes derived from polymers that are co-reactive with azide crosslinking agent(s)
Radiation cured membranes derived from polymers that are co-reactive with azide crosslinking agent(s)
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机译:辐射固化膜,衍生自与叠氮化物交联剂共反应的聚合物
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摘要
The present invention appreciates that compounds comprising nitrogen-containing moieties that are at least divalent (e.g., urea, urethane, amide, etc.) can be reacted with azides using at least radiation energy to initiate the reaction between at least a portion of the compounds and the azides to form membranes that have surprisingly high selectivities for acid gases relative to nonpolar gases such as hydrocarbons. The membranes are also resistant to CO2 plasticization and have high acid gas flux characteristics. The resultant membranes can be extremely thin (e.g., 10 micrometers or less), which promotes high permeability for the acid gas and can translate into high productivity on a scaled-up, industrial level.
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