Thermosetting castable and curable polyurethane-urea polymers ha

Details Thermosetting castable and curable polyurethane-urea polymers ha Thermosetting castable and curable polyurethane-urea polymers ha

1995-01-06

1996-09-10

Dodson, Shelley A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 77, 528 80, 524791, 49DIG1, 5230914, 5230916, 527301, 527304, 527321, 4284231, 4284258, C08G 1848, C08G 1842, E04B 178, E06B 112

Patent

active

055547133

ABSTRACT:
Polyurethane-urea polymers comprising inter-reacted isocyanate A), diol or polyol components B) and C), chain-extending glycol component D), polyester diol or polyol component E), and polyamine component F) using a polyurethane catalyst G) and an optional drying agent, each component having the further characteristics set forth in the Specification and each component being present in the relative proportions by weight as set forth in the Specification, have improved characteristics including a reduced flow time and diminished end-waste characteristics which obviate the necessity of taping a channel in a metal extrusion into which such polymers are poured to provide a thermal barrier in the bridged or debridged channel and are accordingly advantageously employed as thermal barriers in such structures.

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patent: 5130404 (1992-07-01), Freeland
patent: 5391436 (1995-02-01), Reid

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