PREPARATION OF RING-OPENING POLYMER FROM NORBORNENE OR ITS DERIVATIVE

Title:

PREPARATION OF RING-OPENING POLYMER FROM NORBORNENE OR ITS DERIVATIVE

Document Type and Number:

Japanese Patent JPS5397099

Kind Code:

A

Abstract:

PURPOSE: To prepare economically a ring-opening polymer of norbornene or its derivative, containing reduced amount of residual monomer, in a simplified process, wherein the polymer solution is thickened in a stirring-thin membrane evaporator and degassed in a vent type-surface renewal deaerator.

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Inventors:

KOBAYASHI MASAO
TERAO TATSU
UEJIMA TAKASHI
KOBAYASHI SHIYOUICHI

Application Number:

JP1161577A

Publication Date:

August 24, 1978

Filing Date:

February 07, 1977

Export Citation:

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Assignee:

SHOWA DENKO KK

International Classes:

C08G61/00; C08G61/06; C08G61/08; (IPC1-7): C08G61/08

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