METHOD AND DEVICE FOR OBTAINING POLY-CONDENSED POLYMER AND MOULDING MADE FROM IT Russian patent published in 2008 - IPC C08G85/00 C08G63/78 

Abstract RU 2340633 C1

FIELD: chemistry.

SUBSTANCE: method of obtaining poly-condensed polymer includes the introduction of pre-polymers of poly-condensed polymer in a molten state into a polymerising reactor through the intake hole; release the introduced pre-polymer through holes in the perforated plate; and then poly-condensation of the pre-polymer under lowered pressure with simultaneous lowering of the pre-polymer along the support, the perforated plated has two or more zones, poly-condensation is carried out by putting pre-polymer and/or modifier of the polymer in each of the zones and releasing the introduced pre-polymer and/or modifier of the polymer through the holes in each of the zones. Also proposed is a method of obtaining the molded article by transferring obtained by the proposed method polymer in a molten state to the molder with subsequent molding.

EFFECT: reduction in expenditure for obtaining different high-quality poly-condensed polymers with a high degree of polymerisation.

12 cl, 10 dwg, 5 tbl, 5 ex

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RU 2 340 633 C1

Authors

Jokojama Khirosi

Aminaka Muneaki

Dates

2008-12-10Published

2005-11-25Filed