Abstract: According to this invention there is provided a process for polymerizing or copolymerizing olefins using a catalyst consisting of:[A]a solid component obtained by contacting(1) a reaction product resulting from heat reaction of a magnesium oxide and an aluminum trihalide with(2) a titanium halide and/or an addition product of a titanium halide and an aromatic carboxylic acid ester, and[B]an organometallic compound and/or an addition product of an organometallic compound and an aromatic carboxylic acid ester,or alternatively, using a catalyst consisting of acid components [A] and [B] plus [C] an aromatic carboxylic acid ester.

Abstract: A process for producing a curable resin is provided which comprises the steps of polymerizing a five-member cyclic compound (A) having an unsaturated conjugated double bond and represented by the general formula (A) given below; ##STR1## (wherein R is an organic residue having from 1 to 3 carbon atoms; m and n are integers and are in the relation of m+n=6)or Diels-Alder addition product thereof (A) with at least one phenolic compound (B) selected from the group consisting of monohydric and polyhydric phenols and alkyl substituents thereof to obtain a resin (I) having at least one phenolic hydroxyl group and an average molecular weight of from 300 to 2000; hydrogenating said resin (I) to convert the aromatic ring of the phenolic compound unit into the cyclohexane structure thereby to obtain a resin (II); and esterifying said resin (II) with an .alpha., .beta.-unsaturated carboxylic acid (C). A curable coating composition is also provided which comprises as vehicle the above curable resin.

Abstract: The present invention discloses improved catalysts for polymerizing or copolymerizing olefins and a process for the production of polyolefins comprising a polymerization or copolymerization of olefins by the use of said catalysts. According to the invention there is provided a process for the production of polyolefins by polymerizing or copolymerizing olefins using as the catalyst a solid component containing a titanium compound and/or a vanadium compound and an organometallic compound, said solid component comprising a substance obtained by co-pulverizing (1) a metal halide selected from the group consisting of magnesium halides and manganese halides, (2) a compound represented by the general formula Mg(OR).sub.n X.sub.2-n in which n is a number of the range 0<n.ltoreq.2, X represents a halogen atom and R is a hydrocarbon radical containing from 1 to 20 carbon atoms and may be alike or different and (3) a titanium compound and/or a vanadium compound.

Abstract: The present invention discloses improved catalysts for polymerizing or copolymerizing olefins and a process for the production of polyolefins comprising a polymerization or copolymerization of olefins by the use of said catalysts. According to the invention there is provided a process for the production of polyolefins by polymerizing or copolymerizing olefins using as the catalyst a solid component containing a titanium compound and/or a vanadium compound and an organometallic compound, said solid component comprising a substance obtained by co-pulverizing (1) a metal halide selected from the group consisting of magnesium halides and manganese halides, (2) a compound represented by the general formula B(OR).sub.n X.sub.3-n X3 in which n is a number of the range 0<n.ltoreq.3, X represents a halogen atom and R is a hydrocarbon radical containing from 1 to 20 carbon atoms and may be alike or different and (3) a titanium compound and/or a vanadium compound.

Abstract: This invention provides an oil soluble fungicide comprising a compound having the general formula ##STR1## wherein R.sub.1 is a mononuclear aromatic hydrocarbon radical comprising up to 22 carbon atoms, R.sub.2 and R.sub.3, which may be the same or different, each represents an aliphatic hydrocarbon radicals comprising up to 8 carbon atoms, R.sub.4 is an aliphatic hydrocarbon radical comprising from 8 to 20 carbon atoms; R.sub.5 is an alkylbenzene radical in which the alkyl group contains from 10 to 14 carbon atoms; and X.sup..crclbar. is a sulfonate radical.

Abstract: There is disclosed a process for continuously producing diisopropyl ether of high purity from isopropyl alcohol and propylene at a high yield, which comprises the steps of: continuously passing isopropyl alcohol and propylene at a given molar ratio through a first fixed bed filled with particles of strongly acidic cation-exchange resin at a temperature in the range from 100.degree. C. to 130.degree. C.; then passing the reaction mixture through a second fixed bed filled with a water-insoluble, solid, particulate acid-neutralizing agent; and flash-removing unreacted propylene from the mixture, followed by solvent refining and distillation, whereby diisopropyl ether of high purity is continuously obtained at a high yield.

Abstract: Defective portions of a metallic tank storing hot hydrocarbon oil therein and having a thermally protective coating of polyurethane foam adhered onto the side wall thereof, are detected by determining a distribution of surface temperatures of the coating. Portions of the coating of relatively high temperatures correspond to defective portions of the coating which cause corrosion of the side wall of the tank, and in turn underlying corroded areas in the side wall.

Abstract: A phase-reversible composition is disclosed, which is liquid at a low temperature and solid at a high temperature, the phase being reversible. The composition includes a conjugated diene-maleic acid derivative copolymer having a sulfur containing organic terminal radical of from 4 to 30 carbon atoms, which radical contributes to increased surface-activity and compatibility of the final composition.

Abstract: The present invention provides a method for producing curable resin which comprises reacting acrylic acid and/or methacrylic acid [which is hereinafter cited as (metha-) acrylic acid] with hydroxyl group-containing resin (I) obtained by reacting a five-member cyclic compound having an unsaturated conjugated double bond represented by the general formula (A) given below; ##STR1## (WHEREIN R is an organic residue having from 1 to 3 carbon atoms; m and n are integers and are in the relation of m+n=6) or the Diels-Alder addition product thereof (A) and a compound (B) having both reactive carbon-carbon double bond or bonds and towo or more hydroxyl groups within one and the same molecule thereof. In accordance with the present invention, curable coating composition comprising said curable resin can also be obtained. The resin of this invention can be very quickly cured by the exposure to heat or radiation.

Abstract: A process of transmetalating organoalkali metals is disclosed, wherein organoalkali metal compounds are reacted with hydrocarbon compounds in the presence of predetermined amounts of oxygen.

Abstract: A method and apparatus for atomizing oil of high viscosity by a venturi tube, whereby pressurized air is introduced from the outside into a reservoir through said venturi tube, while the oil in the reservoir is transported to the venturi through a conduit, or a suction tube, by the pressure differential between the oil reservoir and the open end of a nozzle and is heated in a heating chamber just before the atomization nozzle which is open into said venturi so as to provide fluidity to the oil.

Abstract: According to the present invention, there is provided a process for preparing polyolefins by polymerizing or copolymerizing olefins in the presence of a catalyst consisting of a solid component and an organometallic compound component, characterized in that said solid component is obtained by copulverizing(1) a magnesium halide and/or a manganese halide,(2) an aromatic hydrocarbon,(3) a tetravalent titanium compound, and(4) a trivalent titanium compoundAnd in that said organometallic compound component is a mixture of(5) a trialkylaluminum and(6) a compound represented by the general formula AlR.sub.n X.sub.3-n wherein R is alkyl having 1 to 10 carbon atoms and may be the same or different, X is halogen and O<n<3.

Abstract: Water-soluble polymers derived from the copolymerization of a conjugated diene and maleic acid and/or a maleic acid derivative having certain anionic and cationic components are disclosed. When dissolved in aqueous media, the polymers are useful as quenching agents for metals.

Abstract: A coating composition is disclosed which is curable at room temperature uniformly at and through the surface and inner portions of a film formed upon application of the composition to an article. The coating composition is characterized by the combination with a starting butadiene polymer (to which an acid is added) of a poly-(metha)-acrylate of a polyhydric alcohol, at least one of the compounds which have an allyl ether group, a tetrahydrofurfuryl group or a benzyl ether group, a radical generator and, if desired, a pigment.

Abstract: This invention discloses an improved catalyst for the polymerization or copolymerization of olefins, and a process for preparing polyolefins which comprises polymerizing or copolymerizing olefins using the said catalyst. According to the invention there is provided a process for preparing polyolefins by polymerizing or copolymerizing olefins using as a catalyst at least one compound selected from the group consisting of a titanium compound and a vanadium compound supported on a solid carrier, and an organometallic compound, said solid carrier comprising a product obtained by treatment with SO.sub.3 of at least one member selected from the group consisting of an oxide of Group II-IV metals of the Periodic Table and a double oxide of the said oxide and other oxide, which other oxide may be another oxide of Group II-IV metals of the Periodic Table or may be an oxide of other Group metals of the same Table.

Abstract: When a lower polymer of butadiene or a lower copolymer of butadiene with a conjugated diolefin other than butadiene or a vinyl-substituted aromatic comonomer is reacted at 0 to 200.degree. C. in the presence of a combination catalyst including an organic alkali metal compound and a specific diamino compound, the non-conjugated double bonds are effectively isomerized to the conjugated diene double bonds at a very high conversion, and a polymer having a high reactivity, which is useful as a paint vehicle, a thermosetting material, an adhesive, a rubber compounding material and an intermediate for various synthetic reactions, can be obtained.

Abstract: Curable coating compositions particularly suitable as a vehicle for printing inks, comprising a resin obtained by esterifying with acrylic or methacrylic acid a hydroxyl group-containing resin prepared either by reacting ingredients (A) and (B) to form a reaction mixture which is then reacted with ingredient (C) or by reacting the ingredients (A), (B) and (C). The ingredient (A) is a five-membered cyclic compound having conjugated double bonds or a Diels-Alder's reaction product thereof, the ingredient (B) a compound having both a polymerizable double bond and a hydroxyl group in the molecule and (C) a resol type phenolic resin.

Abstract: When a lower polymer of butadiene or a lower copolymer of butadiene with a conjugated diolefin other than butadiene or a vinyl-substituted aromatic comonomer is reacted at 0.degree. to 200.degree. C. in the presence of a combination catalyst including an organic alkali metal compound and a specific diamino compound, the non-conjugated double bonds are effectively isomerized to the conjugated diene double bonds at a very high conversion, and a polymer having a high reactivity, which is useful as a paint vehicle, a thermosetting material, an adhesive, a rubber compounding material and an intermediate for various synthetic reactions, can be obtained.

Abstract: A process for the production of polyolefins is disclosed, which is carried out in the presence of catalysts prepared according to the invention. The catalysts comprise a carrier resulting from the reaction of anhydrous magnesium halide, silicon tetrachloride and a compound represented by the general formulaROHwhere R is a hydrocarbon group of 1 to 20 carbon atoms, and a transition metal compound supported on said carrier. Such catalysts are activated by an organometal compound of a metal of the Groups I to IV of the Periodic Table when in use.

Abstract: According to the present invention, there is provided a process for preparing polyolefins which comprises polymerizing or copolymerizing olefins using as catalyst a component consisting of a solid carrier and a titanium compound and/or a vanadium compound supported thereon, and an organometallic compound, said solid carrier consisting of a product obtained by mixing and heating an aluminum oxide and an ammonium sulfate.