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...
Patent
1995-12-21
1997-07-08
Gorr, Rachel
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 67, 2521822, 25218222, C08G 1875
Patent
active
056462301
ABSTRACT:
This invention relates to isocyanate-terminated prepolymers, a process for the preparation of these isocyanate-terminated prepolymers, a process for the production of polyurethane.backslash.polyurea elastomers prepared from a diisocyanate comprising these prepolymers, and the elastomers produced by this process. These isocyanate-terminated prepolymers have a viscosity less than about 6000 mPa.cndot.s at 80.degree. C. and an NCO content of about 3 to 10%. These isocyanate-terminated prepolymers are the reaction product of
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Haider Karl W.
Pantone Richard S.
Rosthauser James W.
Bayer Corporation
Brown N. Denise
Gil Joseph C.
Gorr Rachel
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