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英语翻译
Paraffins are the major component of waxy solid deposits from crude oil.The preventive methods of paraffin deposition involve the use of chemical additives such as wax crystal modifiers also known as paraffin inhibitors,to distort or modify the undesirable crystal structure.These compounds,which are usually polymeric in nature,are able to interact with the wax crystals thus improving the flow characteristics and
reducing the cohesive strength of a paraffin deposit,hence inhibiting wax deposition The mechanism of the inhibition process is well described in the literature.Commercial wax inhibitors are typically synthesized to be branched and/or to contain some bulky,preferably polar,functional groups that interfere with the n-paraffin nucleation
and induce crystal imperfections.Crystallization of paraffin wax from crude oil in the presence of such polymer inhibitors results in the formation of smaller crystals that are less prone to further agglomeration.It has been theorized that paraffin inhibitor performance is based on the primary structure of the polymer chain including the effects of different functional groups and the length of the main/side chains.This extended abstract comprises describes structure of polymer wax inhibitors with experimental data on their physical properties and relates that information to their inhibiting performance.Also,it reveals a correlation between structures and properties
of conventional polymers,using this knowledge to target synthesis of premium paraffin inhibitors.
Paraffins are the major component of waxy solid deposits from crude oil.The preventive methods of paraffin deposition involve the use of chemical additives such as wax crystal modifiers also known as paraffin inhibitors,to distort or modify the undesirable crystal structure.These compounds,which are usually polymeric in nature,are able to interact with the wax crystals thus improving the flow characteristics and
reducing the cohesive strength of a paraffin deposit,hence inhibiting wax deposition The mechanism of the inhibition process is well described in the literature.Commercial wax inhibitors are typically synthesized to be branched and/or to contain some bulky,preferably polar,functional groups that interfere with the n-paraffin nucleation
and induce crystal imperfections.Crystallization of paraffin wax from crude oil in the presence of such polymer inhibitors results in the formation of smaller crystals that are less prone to further agglomeration.It has been theorized that paraffin inhibitor performance is based on the primary structure of the polymer chain including the effects of different functional groups and the length of the main/side chains.This extended abstract comprises describes structure of polymer wax inhibitors with experimental data on their physical properties and relates that information to their inhibiting performance.Also,it reveals a correlation between structures and properties
of conventional polymers,using this knowledge to target synthesis of premium paraffin inhibitors.
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