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
1990-04-27
1991-10-22
Kight, III, John
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 53, 528 55, 524712, 428209, 428252, C08G 2216
Patent
active
050596705
ABSTRACT:
Rigid polyurethane-modified polyisocyanuate compositions having improved physical properties are obtained by curing thermosettable compositions containing alkoxylated aromatic compounds, organic polyisocyanates and cyclic alkylene carbonates using an isocyanate trimerization catalyst. The use of an alkoxylated aromatic compound permits a reduction in the proportion of organic polyisocyanate required to achieve satisfactory tensile strength and stiffness. The cured compositions are useful for the production of composites as well as molded articles containing reinforcing fillers.
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ARCO Chemical Technology, Inc.
Harper Stephen D.
Kight III John
Truong Duc
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