Title:
FORMAL DIOL LOW POLYMER OF POLY(TETRAMETHYLENE ETHER)GLYCOL AND POLYURETHANE OBTAINED THEREFROM
Document Type and Number:
Japanese Patent JPS5753529
Kind Code:
A
Abstract:
Oligomeric formal diols are prepared by coupling segments of PTMEG, each having a molecular weight of 1000-3000, with formaldehyde. The formal diols are useful in preparing polyurethanes.
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Inventors:
ENGERUBAATO PECHIHOORUDO
Application Number:
JP12484181A
Publication Date:
March 30, 1982
Filing Date:
August 11, 1981
Export Citation:
Assignee:
DU PONT
International Classes:
C08G18/00; C07C43/315; C08G4/00; C08G18/48; C08G18/56; C08G65/00; C08G65/32; (IPC1-7): C08G18/48; C08G65/32
Domestic Patent References:
| JPS5018598A | 1975-02-27 | |||
| JPS5432598A | 1979-03-09 |