Rohm and Haas Company

Dow Global Technolgoies LLC

Rohn and Haas Company

Daniel Arthur Bors

William D Emmons

Alvin C Lavoie

Anne Mae Gaffney

Scott S Han

Ward Thomas Brown

Leonard Edward Bogan, Jr

Fernando Antonio Pessoa Cavalcanti

Michael Bruce Clark, Jr

Ann Robertson Hermes

Stephen Gerard Maroldo

Andrew J Kielbania, Jr

Joseph Martin Rokowski

Steven Scott Edwards

David G Speece

Manhua Lin

Donald Lee Zolotorofe

Jinsuo Xu

Bradley Anson Jacobs

Nelson I Quiros

Peter David Klugherz

Barry S Snyder

Frederick William Kaiser

Joseph F Dewilde

A catalyst composition comprises an acrolein-oxidizing catalyst comprising a mixed metal oxide catalyst of general formula (1):MoVAAAO  (I)in which Acomprises at least one element selected from the group consisting of W and Cu; Acomprises at least one element selected from the group consisting of Sb, Fe, and Nb; Acomprises at least one element selected from the group consisting of Y, Ti, Zr, Hf, Ta, Cr, Mn, Re, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au, Zn, B, Al, Ga, In, Ge, Sn, Si, Te, Pb, P, As, Bi, Se, rare earth elements, alkaline elements, and alkaline earth elements; a ranges from 0.01 to 1.0; b ranges from 0.01 to 1.5; c ranges from 0 to 1.5; d ranges from 0 to 1.0; and m is dependent on the oxidation state of the other elements. The catalyst composition further comprises a finishing catalyst comprising a mixed metal oxide catalyst of general formula (II):MoVNbXXO  (II)in which Xcomprises at least one element selected from the group consisting of Te and Sb; Xcomprises at least one an element selected from the group consisting of Y, Ti, Zr, Hf, Nb, Ta, Cr, Mn, Re, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au, Zn, B, Al, Ga, In, Ge, Sn, Pb, P, As, Bi, Se, rare earth elements and alkaline earth elements; w ranges from 0.01 to 1.0; x ranges from 0.01 to 1.0; y ranges from 0.01 to 1.0; z ranges from 0 to 1.0; and n is depended on the oxidation state of the other elements. The finishing catalyst does not contain W or Cu, and has an X-ray diffraction pattern showing an orthorhombic phase as the major crystal phase with main peaks with 2θ at 6.7°, 7.8°, 22.1°, and 27.2°. The acrolein-oxidizing catalyst has a different chemical composition than the finishing catalyst. A process for producing acrylic acid is also disclosed.

Aldehyde byproduct reduction in acrylic acid production using highly active and elective catalysts

An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield and used to produce.

Single crystalline phase catalyst

An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield.

The application of an electric current to catalysts useful for the vapor phase oxidation of hydrocarbons allows for processes for obtaining enhanced catalytic processing of a given feed material with a given catalyst, processes allowing the ready change-over from one product of a given feed stream to another product of that feed stream without the need to change catalyst, and processes allowing the ready change over from one feed stream to another feed stream with the concomitant change over from one product to another product without the need to change catalyst.

Electroactive catalysis

A method for producing an unsaturated carboxylic acid comprises: (a) contacting, in a reaction zone, an alkane with a catalyst containing a mixed metal oxide, under conditions which produce a product gas comprising the unsaturated carboxylic acid, unreacted alkane and a product alkene; (b) recovering unreacted alkane and product alkene from the product gas; and (c) recycling the recovered unreacted alkane and product alkene to the reaction zone; wherein the mixed metal oxide consists of a material having the formulaAMNXOwherein A is at least one element selected from the group consisting of molybdenum and tungsten, wherein M is at least one element selected from the group consisting of vanadium, cerium and chromium, wherein N is at least one element selected from the group consisting of tellurium, bismuth and selenium, wherein X is at least one element selected from the group consisting of niobium, tantalum, titanium, aluminum, zirconium, chromium, manganese, iron, ruthenium, cobalt, rhodium, nickel, platinum, bismuth, boron, indium, arsenic, germanium, tin, lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium, hafnium, lead, phosphorus, promethium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, gold, silver, palladium, gallium, zinc, praseodymium, rhenium, iridium, neodymium, yttrium, samarium and terbium, wherein 0.25 &#x3c;a&#x3c;0.98, 0.003&#x3c;m&#x3c;0.5, 0.003&#x3c;n&#x3c;0.5, 0.003&#x3c;x&#x3c;0.5 and o is dependent on the oxidation state of the other elements. An analogous method for the preparation of unsaturated nitrites is also disclosed.

Recycle process

A method for improving the dirt pick-up resistance and the retention of gloss on exposure to light of a dried coating formed from a coalescent-free aqueous coating composition is provided. The coalescent-free composition composition contains an aqueous emulsion-polymerized polymeric binder having a glass transition temperature from about &minus;35 C. to about &plus;25 C. with from about 2% to about 20%, by weight based on the weight of the polymeric binder, of at least one copolymerized ethylenically-unsaturated active methylene monomer.

Method for improving the dirt-resistance and gloss retention of a coalescent-free coating

Methods for improving the dirt-resistance and gloss retention of a coalescent-free coating composition

An air-curing composition is disclosed which contains an acetoacetate functional polymer and an end-blocked polyformaldehyde chain. The composition is stable to reaction until the formaldehyde is released from the polyformaldehyde chain.

Shelf stable compositions containing acetoacetate functional polymer and

The present invention relates to the preparation of polymers bearing reactive functional groups. More particularly, this invention relates to the preparation of polymers containing functional acetoacetate groups and then following the polymerization reacting the acetoacetate group with a functional amine to form an enamine. Polymers of the present invention have many uses including coatings, sealants, adhesives and saturant applications, and are most useful as solutions or dispersions in water or water-cosolvent mixtures.

Functionalization of polymers via enamine of acetoacetate

This invention relates to a method for light-assisted curing of coatings by providing coatings with an enamine content sufficient to enhance the cure rate of the coatings. The coatings exhibit improved weatherability and gloss retention when exposed to light.

Method for light-assisted curing of coatings

An air curing polymer composition is disclosed which contains acetoacetate functional polymer and an autoxidizable material. The composition cures on exposure to oxygen. One pack stable ambient curing compositions and a method of stabilizing acetoacetate functional groups to prevent hydrolysis are also disclosed.

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Maple Glen, PA, United States of America

Daniel Arthur Bors