PHOTOCHEMICAL POLYMERIZATION-MEDIATED POLYTETRAFLUOROETHYLENE PRODUCTION PROCESS

PHOTOCHEMICAL POLYMERIZATION-MEDIATED POLYTETRAFLUOROETHYLENE PRODUCTION PROCESS

polymer production. SUBSTANCE: polytetrafluoroethylene is prepared by initiator-assisted gas-phase photochemical polymerization, said initiator being tetrafluorodichloroacetone-trifluorotrichloroacetone mixture with boiling temperature within 40-90 C in amounts 5-15% of the weight of loaded tetraflu...

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Hauptverfasser: PLATONOV V.S, RUMJANTSEV I.B, SOROKIN JU.V, POLJAKOV V.S, ZAKHAROVA L.V, KOSTIKIN L.I
Format: Patent
Sprache:eng ; rus
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator PLATONOV V.S
RUMJANTSEV I.B
SOROKIN JU.V
POLJAKOV V.S
ZAKHAROVA L.V
KOSTIKIN L.I
description polymer production. SUBSTANCE: polytetrafluoroethylene is prepared by initiator-assisted gas-phase photochemical polymerization, said initiator being tetrafluorodichloroacetone-trifluorotrichloroacetone mixture with boiling temperature within 40-90 C in amounts 5-15% of the weight of loaded tetrafluoroethylene. Invention allows production of fine heat-resistant polytetrafluoroethylene, whose use as component of rubber and viscous lubrications increases wear resistance of the latter and resistance against solvents, oils, and corrosive media. EFFECT: improved application value of product. 1 tbl
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PHOTOCHEMICAL POLYMERIZATION-MEDIATED POLYTETRAFLUOROETHYLENE PRODUCTION PROCESS
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