The Dow Chemical Company

Dow Global Technolgoies LLC

Blue Cube IP LLC

Marvin L Dettloff

Ha Q Pham

James A Rabon, Jr

Richard A Hickner

David A Grilli

Michael L Gould

Jerry E White

Zenon Lysenko

Allyson J Malzman

David A Wilson

Jimmy D Earls

George C Jacob

Leonardo C Lopez

Michael B Cavitt

Kandathil Eapen Verghese

Marty J Null

Gary A Hunter

Maurice J Marks

John Michael Maher

Clark H Cummins

Alan K Schrock

Jozef Bicerano

Christopher P Christenson

Kaoru Aou

Rajat Duggal

Travis Hope Larsen

Kenneth A Burdett

Eddy I Garcia-Meitin

Rajesh H Turakhia

Bernd Hoevel

Dennis Wade Jewell

William W Fan

P J Thomas

Ross C Whiteside, Jr

Dennis L Steele

Fabio Aguirre Vargas

Richard Dicran Varjian

Bob R Maughon

Nikhil Eapen Verghese

Susan K Falcone-Potts

Stephen B Wallace

Hemant A Naik

Theofanis Theofanous

Dennis R Gifford

Martine Rousse

Rajesh Turakhia

Dennis W Jewell

James R Lowrey

Richard D Varjian

Pj Thomas

PJ Thomas

Robert Hearn

Krishnan R Karunakaran

A continuous process comprising a) separating an epoxy novolac resin comprising oligomers having an average functionality of greater than 2.5 and a hydrolyzable chlorine content of less than 450 ppm with a continuous evaporator apparatus to form i) a first distillate vapor fraction comprising epoxy novolac resin having more than 75 weight percent of 2 functional components and wherein the mass of the first distillate vapor fraction is in the range of from 15 to 40 weight percent of the starting epoxy novolac resin; and ii) a first bottom fraction comprising epoxy novolac resin having less than 5 weight percent of 2 functional components and having a glass transition temperature of at least 15 C higher compared to the starting epoxy novolac resin when cured; b) recovering the first bottom fraction product; and c) condensing the first distillate vapor fraction to form a first condensed distillate vapor fraction; d) separating the first condensed distillate vapor fraction with a second continuous evaporator apparatus to form i) a second distillate vapor fraction wherein the mass of the second distillate vapor fraction is in the range of from 40 to 70 weight percent of the first condensed distillate vapor fraction; and ii) a second bottom fraction; e) recovering the second bottom fraction product; and f) condensing the second distillate vapor fraction to form a second condensed distillate vapor fraction product comprising at least 98 weight percent of 2 functional components with a total chlorine content less than 900 ppm, is disclosed.

Distilled epoxy novolac resins

An epoxy thermoset that includes a reaction product of a toughening agent prepared from a reaction of a first epoxy resin and a polyether polyamine, a second epoxy resin and a liquid amine hardener for the toughening agent and the second epoxy resin. The toughening agent is an adduct of the second epoxy resin and the polyether polyamine. The polyether polyamine phase of the toughening agent separates to form particles in the epoxy thermoset, where the particles have a volume average diameter in a range from 20 nanometers to 200 nanometers.

Toughening agent for epoxy thermoset

Curable compositions, cured compositions, and methods of forming the same, including an epoxy resin, a curing agent, an amphiphilic toughening agent, and an inorganic nanofiller, wherein the toughening agent forms a second phase having at least one dimension being on the nanometer scale.

Amphiphilic block copolymers and inorganic nanofillers to enhance performance of thermosetting polymers

A curable epoxy resin composite composition including a reinforcing material and an epoxy resin composition, and a process for preparing a composite from such composition; wherein a combination of at least one alkanolamine and at least one styrenated phenol are present in the epoxy resin composition in a sufficient amount to increase the rate of reaction of the at least one epoxy resin and the at least one alkanolamine curing agent while maintaining the thermal and mechanical properties of the composite upon curing of the epoxy resin composition.

Curable epoxy resin compositions and composites made therefrom

A curable composition including (a) at least one cyclic diamine, (b) at least one non-heterocyclic amine that has a pKa value of approximately 9.5 to about 12 at 25&#xb0; C. for the most basic amine group in the non-heterocyclic amine molecule, (c) at least one epoxy resin, and (d) at least one alkylated phenol; (i) wherein the equivalents of the amine hydrogens from the cyclic diamine compared to the total amine hydrogens from both the cyclic diamine and the non-heterocyclic amine in the composition are greater than about 5%; (ii) wherein the ratio of the equivalents of the total amine hydrogens in the composition to the equivalents of the total epoxies in the composition is greater than or equal to about 1; and (iii) wherein the alkylated phenol is in an amount greater than about 10 wt % of the curable composition.

Curable compositions containing cyclic diamine and cured products therefrom

A windmill blade which comprises reinforcing fibers in a toughened resin matrix. The resin matrix is made from a composition which comprises (a) one or more epoxy resins and/or one or more epoxy vinyl ester resins, (b) one or more reactive diluents, and (c) at least one amphiphilic block copolymer. The amphiphilic block copolymer comprises at least two different polyether blocks and is present in the composition in an amount of from about 0.5% to about 10% by volume, based on the total volume of the matrix composition.

Windmill propeller blade and method of making same

A curable adhesive epoxy resin composition including (a) an epoxy resin; (b) an amphiphilic block copolymer containing at least one epoxy resin miscible block segment and at least one epoxy resin immiscible block segment; wherein the immiscible block segment comprises at least one polyether structure provided that the polyether structure of said immiscible block segment contains at least one or more alkylene oxide monomer units having at least four carbon atoms; in an amount such that when the epoxy resin composition is cured, the bond strength of the resulting cured epoxy adhesive resin composition increases compared to an epoxy resin composition without said amphiphilic polyether block copolymer; and (c) at least one curing agent. The amphiphilic block copolymer is preferably an all polyether block copolymer such as a PEO-PBO diblock copolymer or a PEO-PBO-PEO triblock copolymer.

Amphiphilic block copolymer-modified epoxy resins and adhesives made therefrom

Integrated processes of preparing industrial chemicals starting from seed oil feedstock compositions containing one or more unsaturated fatty acids or unsaturated fatty acid esters, which are essentially free of metathesis catalyst poisons, particularly hydroperoxides; metathesis of the feedstock composition with a lower olefin, such as ethylene, to form a reduced chain olefin, preferably, a reduced chain &#x3b1;-olefin, and a reduced chain unsaturated acid or ester, preferably, a reduced chain &#x3b1;,&#x3c9;-unsaturated acid or ester. The reduced chain unsaturated acid or ester may be (trans)esterified to form a polyester polyolefin, which may be epoxidized to form a polyester polyepoxide. The reduced chain unsaturated acid or ester may be hydroformylated with reduction to produce an &#x3b1;,&#x3c9;-hydroxy acid or &#x3b1;,&#x3c9;-hydroxy ester, which may be (trans)esterified with a polyol to form an &#x3b1;,&#x3c9;-polyester polyol. Alternatively, the reduced chain unsaturated acid or ester may be hydroformylated with reductive amination to produce an &#x3b1;,&#x3c9;-amino acid or &#x3b1;,&#x3c9;-amino ester, which may be (trans)esterified to form an &#x3b1;,&#x3c9;-polyester polyamine.

Integrated chemical processes for industrial utilization of seed oils

Epichlorohydrin is produced from acetone by (1) chlorinating acetone to form monochloroacetone; (2) disproportionating the monochloroacetone in the presence of a platinum catalyst, a strong acid and preferably a chloride source (for example, added as a salt or from hydrolysis of monochloroacetone) and some water to produce acetone and 1,3-dichloroacetone; (3) hydrogenating the 1,3-dichloroacetone in the presence of a catalyst to produce 1,3-dichlorohydrin; and (4) cyclizing the 1,3-dichlorohydrin with a base to produce epichlorohydrin.

Process for preparing 1,3-dichloroacetone

The present invention provides thermoplastic hydroxy-functional polyesters. The polyesters have at least 10 sequential units, wherein the sequential units consist of units selected from units represented by the following formula (1) and units represented by the following formula (2); Wherein each of Rindependently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group; each of Rindependently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group; each of Rindependently represents hydrogen or a substituted or unsubstituted homoalkyl or heteroalkyl group; Each of Rindependently represents a substituted or unsubstituted homoalkyl or heteroalkyl group; and said moiety having no fewer than 1 unit represented by formula (1) and no fewer than 1 unit represented by formula (2). The present invention further provides processes for making hydroxyfunctional polyesters, such as polymerizing epoxidized fatty acids in the presence of an onium salt, and compositions and articles that include or are derived from the hydroxyfuntional polyesters 

Hydroxy-functional polyesters

The present invention provides network polymers obtained by curing compositions that comprise an ester with at least two terminal epoxy groups. Preferred esters include those represented by the formula (1), wherein each Rindependently represents a substituted or unsubstituted homoaliphatic or heteroaliphatic group; A represents a substituted or unsubstituted homoalkylene, hetemalkylene, arylene, or heteroarylene segment; and n represents an integer equal to or greater than 2.

Network polymers comprising epoxy-terminated esters

A high char yield polybenzoxazine is formed by mixing (i) a benzoxazine compound, (ii) a furan compound, (iii) a benzoxazine-furan compound or combinations thereof, wherein the mixture has a benzoxazine ring to furan ring ratio from about 0.001 to about 10 and then heating the mixture for a sufficient time to form the polybenzoxazine.

High char yield benzoxazine compositions

A coating composition applied to a substrate wherein the composition contains a solids content of at least about 65 percent by weight and includes a polyanhydride having more than one non-cyclic anhydride moiety, a glycidyl groups-containing oligomer, a catalyst and a surfactant or flow-control agent.

Substrate coated with composition of non-cyclic polyanhydride and

A coating composition applied to a substrate, the composition containing a solids content of at least about 65 percent by weight and including a polyanhydride having more than one non-cyclic moiety, a co-reactant resin such as a glycidyl (meth)acrylate-containing polymer, and a latent catalyst, wherein the equivalent ratio of epoxy to anhydride groups is from about 0.8:1 to 1.3:1.

A coating composition with a solids content of at least about 65% by weight comprises a polyanhydride having more than one non-cyclic anhydride moiety, a co-reactant resin such as a glycidyl (meth)acrylate-containing polymer and a latent catalyst wherein the equivalent ratio of epoxy to anhydride is from about 0.8:1 to 1.3:1.

Coating composition of non-cyclic polyanhydride and co-reactant resin

Growing community of inventors

Lake Jackson, TX, United States of America

Marvin L Dettloff