Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1995-06-07
1996-07-23
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521105, 521115, 521116, 521118, 521129, 521166, 521170, C08J 908, C08G 1820
Patent
active
055390072
ABSTRACT:
A method for catalyzing the blowing reaction and making polyurethane foams employing a catalyst composition consisting essentially of a hydroxy-functional imidazole of the following formula I ##STR1## where R.sup.1 is a C.sub.1 -C.sub.10 alkyl; R.sup.2 is hydrogen, methyl or ethyl and R.sup.3 is hydrogen or a C.sub.1 -C.sub.20 organic group optionally having an ether functionality, provided that when R.sup.1 is methyl, R.sup.2 and R.sup.3 are not both hydrogen or a hydrogen and a methyl, in combination with a boron compound of the formula
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CA 99 (6) 39229a.
Listemann Mark L.
Mercando Lisa A.
Savoca Ann C. L.
Air Products and Chemicals Inc.
Leach Michael
Marsh William F.
Seidleck James J.
Sergent Rabon
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