Title:
【発明の名称】選択した金属化合物触媒を用いた、環状エーテル類の重合およびそれらへの解重合
Document Type and Number:
Japanese Patent JP3310292
Kind Code:
B2
Abstract:
A polyether, in particular a polytetrahydrofuran, is depolymerized to form, in particular, a monomeric tetrahydrofuran, by contacting the polymer with a selected metal compound at a temperature of from 100 DEG C to 250 DEG C.
Inventors:
Drisedale, Neville Everton
Boclas, Richard Edmund
Boclas, Richard Edmund
Application Number:
JP51025294A
Publication Date:
August 05, 2002
Filing Date:
October 20, 1993
Export Citation:
Assignee:
E. I. Dupont Do Nemour & Company
International Classes:
C08G65/12; C07D307/06; C07D307/08; C07F7/00; C07F17/00; C08G63/42; C08G63/58; C08G63/685; C08G65/02; C08G65/16; C08G65/20; C08G65/26; C08G65/32; C08G65/321; C08G65/323; (IPC1-7): C08G65/12; C08G65/16
Other References:
【文献】米国特許4153786(US,A)
【文献】POLYMER LETTERS EDITION,Vol.14,1976 P.139~142
【文献】POLYMER LETTERS EDITION,Vol.14,1976 P.139~142
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)