Abstract
The synthesis of polyphenylene sulfide in the presence of catalytic systems based on various lithium salts has been studied, and conditions have been identified that accelerate the process and obtain a polymer with a given microstructure. The rheological, thermal, and physicomechanical properties of the obtained polymers were studied and the optimum temperature () and pressure (9-10 atm) were established upon the production of polyphenylene sulfide by high-temperature polycondensation of sodium sulfide and 1,4-dichlorobenzene in a solution of N-methylpyrrolidone, which increase the effectiveness of its synthesis.
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