Catalyst systems for polyurethane compositions

Details Catalyst systems for polyurethane compositions Catalyst systems for polyurethane compositions

1985-07-22

1986-07-01

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521127, 521129, 528 54, C08G 1814

Patent

active

045981035

ABSTRACT:
A catalyst composition is disclosed for polyurethane production by reaction between aliphatic hydroxyl-containing compounds and secondary or tertiary aliphatic isocyanate group-containing compounds, comprising (i) 1,8-diazabicyclo(5.4.0)-undecene-7, or a salt thereof; (ii) an organic tin compound and, optionally, (iii) an organic lead compound.

REFERENCES:
patent: 3506598 (1970-04-01), Groff et al.
patent: 4150206 (1979-04-01), Jourquin et al.
patent: 4293658 (1981-10-01), Raden et al.

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