Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1983-05-09
1984-09-25
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521155, 526 61, C08J 914
Patent
active
044736681
ABSTRACT:
A method for determining the optimum component ratios in an exothermic process for producing polyurethane foam is described which consists of continuously measuring the temperature differential with respect to time and then determining the optimum component ratios by comparing the maximum value of each of the sequential temperature differential peaks and the times at which they occur.
REFERENCES:
patent: 4288230 (1981-09-01), Ebeling et al.
Laniel Robert
Leroux Jacques
Van Gheluwe Patrick
Arvantes James C.
Foelak Morton
Hopley William G.
Koller Albert E.
National Research Council Canada
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