Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1984-06-04
1985-11-12
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524 52, 260DIG24, C08L 300, C08J 302
Patent
active
045529183
ABSTRACT:
Gelatinized starch is reacted with sulfamate at elevated temperature in an aqueous medium to give a flame resistant starch-sulfamate product. Suitable sulfamates include alkali-sulfamates and alkaline earth sulfamates. The amount of sulfamate used can be in the range of 3 to 40 percent by weight, based on starch dry substance. Minimum water content of the reaction mixture is about 30 percent by weight. Reaction temperatures are from about 40.degree.-250.degree. C. The starch-sulfamate products are useful as fillers, thickeners and binders, among other things.
REFERENCES:
patent: 2142116 (1939-01-01), Cupery
patent: 4139699 (1979-02-01), Hernandez et al.
patent: 4339491 (1982-07-01), Lauterbach et al.
Feeser Hermann
Hochbahn Peter
Lorcks Jurgen
Obradovic Peter
CPC International Inc.
Kight John
Nutter Nathan M.
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