METHOD FOR PRODUCING POLYCONDENSED RESIN

PROBLEM TO BE SOLVED: To provide a means by which a polycondensed resin having high quality can efficiently be produced without causing troubles such as the mutual fusion of low condensates and the scaling of the low condensates in piping.SOLUTION: The method for producing the polycondensed resin, i...

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Bibliographic Details
Main Authors KANDA TOMOMICHI, JANG SEUNG HYUN, JANG BOK NAM
Format Patent
LanguageEnglish
Published 24.06.2013
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide a means by which a polycondensed resin having high quality can efficiently be produced without causing troubles such as the mutual fusion of low condensates and the scaling of the low condensates in piping.SOLUTION: The method for producing the polycondensed resin, includes a process for polymerizing the crystalline powder of the low condensate in a solid phase, and further includes a process for producing the crystalline powder of the low condensate, a process for mixing the obtained crystalline powder of the low condensate with the granular formed products of a thermoplastic resin having an inherent viscosity of 0.3-5 dL/g measured in a concentration of 0.5 g/dL, and a process for solid phase-polymerizing the crystalline powder of the low condensate mixed with the granular formed products of the thermoplastic resin.
Bibliography:Application Number: JP20110273252