Abstract: Novel polyureas of the formula: ##STR1## wherein n is 9 to 18, m is 2 to 10, X and Y are each either ethyl, methyl or a hydrogen atom and R=aromatic, aliphatic or cycloaliphatic, are described herein. These polyureas are particularly useful as thickening agents for lubricating oils to make greases. The polyureas may be prepared by reacting the aminated products of propoxylated fatty alcohols with organic polyisocyanates. The reaction is a simple process requiring no heat. Very low levels of the resulting polyureas are required to thicken oils of lubricating viscosity into greases which have good high temperature stability.

Abstract: Covers a polyurethane elastomer of improved moldability, particularly useful in RIM applications which comprises the reaction product of an aromatic polyisocyanate, a high molecular weight polyether triol containing an internal mixed propylene oxide-ethylene oxide segment comprising 2-35% ethylene oxide by weight and 65-98% by weight of propylene oxide and an ethylene oxide cap such that said polyol has a primary hydroxyl content greater than 50% and preferably greater than 90%, and a chain-extending agent. Also covers the method of making said elastomer.

Abstract: Covers iodophore compounds prepared by reacting a polyether polycarbonate and and an iodine-supplying compound, preferably iodine itself.

Abstract: Covers a water-modified diisocyanate mixture obtained from water-treating a diphenylmethane diisocyanate to provide a diisocyanate mixture comprising 3-25 percent by weight of diphenylmethane biuret isocyanate and 75-97 percent diphenylmethane diisocyanate. Also covers the use of said water-modified diphenylmethane diisocyanate in preparing an improved polyurethane or polyisocyanurate polymer. Also covers said polymers.

Abstract: Covers a method of producing a polyurethane by utilizing specific amine compounds as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. Said amines fall within the following structural formula: ##STR1## where R.sub.1 and R are lower alkyl and x=0-2.

Abstract: Covers a method of producing a polyurethane by utilizing N-(dimethylaminopropyl)methacrylamide as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst.

Abstract: The method of preparing polyurethanes using a catalytic amount of a reaction product of N,N-disubstituted-aminoalkyleneamine with an alkylene oxide is disclosed. These catalysts produce polyurethane products which have no amine odor even immediately after formation of the urethane.

Abstract: Disclosed is a novel infused polymer containing monohydric composition useful in producing improved urethane products. The novel composition is characterized as a polymer containing monohydric composition wherein the polymeric moiety is chemically attached or "infused" into the unsaturation sites of an oxyalkadienyl moiety which is covalently bonded to an acyclic monohydric compound.

Abstract: Disclosed is a novel infused polymer containing polyol composition useful in producing improved urethane products. The novel composition is characterized as a polymer containing polyol wherein the polymeric moiety is chemically attached or "infused" into the unsaturation sites of an oxyalkadienyl moiety which is covalently bonded to an acyclic polyhydric compound.

Abstract: Novel isocyanate-terminated polyether-based polymer prepolymers useful in urethane applications are produced by polymerization of one or more ethylenically unsaturated monomers in the presence of an isocyanate-terminated prepolymer obtained by reaction of an organic polyisocyanate with a polyhydroxy-containing adduct obtained by reacton of an alkylene oxide with a polyfunctional initiator containing two to six active hydrogen atoms. These isocyanate-terminated polyether-based polymers prepolymer compositions are useful in the preparation of flexible urethane foams and moisture-cured adhesives.

Abstract: Modified isocyanurate foams having excellent thermal stability, low friability, adhesion, cell structure and the like are disclosed. The novel foams are obtained by the polymerization of a mixture of methylene-bridged polyphenylpolyisocyanates having an average functionality of about 2.1-2.4 consisting essentially of from about 60% to about 75% by weight methylene diphenylisocyanate having an isomer content consisting essentially of about 60 to about 80% 4,4'-isomer, about 18% to about 33% 2,4'-isomer, and about 2% to about 7% 2,2'-isomer by weight of the methylene diphenylisocyanate, and about 25% to about 40% by weight higher functionality methylene-bridged polyphenyl-polyisocyanates, in the presence of an isocyanurate group formation catalyst, a blowing agent and a polyether or polyester polyol. The novel foams are useful for preparing rigid components exposed to high temperatures and can be formulated to be fire resistant.