Appeal No. 1998-3187
Application No. 08/130,517
a) 80 parts by weight of glycerine-based polyol having
a molecular weight of about 6,000, a high primary hydroxyl
content of about 75% and about 15% ethylene oxide cap;
b) 20 parts by weight of a triol polyol containing
22.5% by weight of a styrene-acrylonitrile copolymer dispersed in
the continuous phase of said polyol;
c) 2 parts by weight of a glycerine-based polyol having
a primary hydroxyl content of about 60% and about 70% ethylene
oxide cap;
d) 32 parts by weight of a polymeric MDI (diphenyl
methane diisocyanate) having a functionality of about 2.2 and a
NCO content of about 32 weight% and an isocyanate index of about
0.80,;
e) 2.2 parts by weight of water;
f) 15 parts by weight of pentane; and
g) an amine catalyst.
25. A process for the manufacture of a flexible
polyurethane foam suitable for applications where latex is used
which consists essentially of reacting:
a) from about 70 to 90 parts by weight of a triol
polyol having a primary hydroxyl content of about 50-80%, about
10-25% ethylene oxide cap and a molecular weight of about 3,000-
6,500;
b) from about 30 to 10 parts by weight of a polymer
triol polyol having a molecular weight of about 3,000-6,500;
c) from about 1 to 5 parts by weight of a triol polyol
having a primary hydroxyl content of about 50-90% and about
40-90% ethylene oxide cap;
d) an isocyanate having a functionality of about
2.0-2.7, and an isocyanate index of about 0.75-1.0;
e) from about 1.5 to 3.5 parts by weight water;
-2-
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