University of Minnesota

Dow Global Technolgoies LLC

Toyota Motor Engineering & Manufacturing North America, Inc.

Other

Medtronic, Inc.

Rohm & Haas Electronic Materials LLC

Wm. Wrigley Jr. Company

Evonik Oil Additives Gmbh

Evonik Operations Gmbh

Marc Andrew Hillmyer

Frank Steven Bates

Deborah Kay Schneiderman

Kim Louis Walton

Jeffrey C Munro

Timothy P Lodge

Henry Martinez

Phillip Dene Hustad

Morgan Mark Hughes

Christopher Ward Macosko

Theresa M Reineke

Eric John Connell

James Gallagher

Tessie Rose Panthani

Marie Elizabeth Vanderlaan

Philip Thomas Dirlam

Alexander Michael Rauch Mannion

Jay Z Wang

Derek Charles Batiste

Justin Glenn Kennemur

William Baker Tolman

Robert H Grubbs

Peter Trefonas, Iii

Stephen F Hahn

Michael Tsapatsis

Peter W Carr

Kimberly A Chaffin

Robert L Schmitt

Klaus Schimossek

Paul J Dauenhauer

Kechun Zhang

Charles S Woodson

Steven J Guillaudeu

Lisa M Lim

Lucas D McIntosh

Katrin Schöller

Michael S Haas

Philippe Buhlmann

Feng Jing

Paige Novak

Ashish Varma

Leslie D Morgret

Ian A Tonks

Katrin Schoeller

Hao Luo

Lianjia Ma

Brian C Trammell

Daniel J Lundberg

Nicole K Boaen

Yu Ren

David J Lundberg

David J Goldfeld

Morgan Whitney Schulze

Evan Anderson

Santiago Romero-Vargas Castrillon

Anndee Huff

Jacob Paul Brutman

Wilhelm Risse

Mark T Martello

Sujay Chopade

Guilhem Xavier De Hoe

Sangwoo Lee

Huqun Liu

Mohammad T Savoji

Hasmukh Patel

Ligeng Yin

Alex John

Tim Lodge

Larissa Ribeiro Da Fonseca

Levi Thomas Hogan

Louis Pitet

Mark Amendt

Gereon M Wuu-Yee

Liang Chen

Megan Lind Robertson

Megan Matta

Kwanho Chang

Donghui Zhang

Philip T Dirlam

Lucas David Mcintosh

Timothy Patrick Lodge

Polymer electrolyte membranes (PEMs) that include co-continuous domains of a conductive phase and a crosslinked network phase. The conductive phase can include one or more polymers having glass transition temperatures below room temperature. The crosslinked network phase can be formed from at least one monofunctional monomer and at least one di- or greater functional monomer.

Polymer electrolyte membranes

A foam that includes a polylactide polymer in the form of a star polymer having at least three arms. The foam is an open cell foam having a density no greater than 0.1 g/cm.

Polylactide foams

Synthesizing an alkyl-caprolactone includes hydrogenating an alkyl-phenol to yield a first mixture comprising an alkyl-cyclohexanone and an alkyl-cyclohexanol; separating the alkyl-cyclohexanone from the first mixture to yield a first portion of a purified alkyl-cyclohexanone; oxidizing the first portion of the purified alkyl-cyclohexanone to yield a second mixture comprising an alkyl-caprolactone, the alkyl-cyclohexanone, and the alkyl-cyclohexanol; separating the alkyl-caprolactone from the second mixture to yield a third mixture comprising the alkyl-cyclohexanone and the alkyl-cyclohexanol; combining the third mixture and the first mixture in to yield a fourth mixture; separating the alkyl-cyclohexanone from the fourth mixture to yield a second portion of the purified alkyl-cyclohexanone; oxidizing the second portion of the purified alkyl-cyclohexanone to yield a fifth mixture comprising the alkyl-caprolactone, the alkyl-cyclohexanone, and the alkyl-cyclohexanol; separating the alkyl-caprolactone from the fifth mixture; and combining the alkyl-caprolactone from the fifth mixture with the alkyl-caprolactone from the second mixture.

Chemical process to manufacture branched-caprolactone

An electrode and a method of making an electrode includes treating polymers that contain functional groups, which by surface functionalization, such as hydrolysis, ozone treatment or carbon-carbon double-bond oxidation to produce hydroxyl functional groups on the surface. Reacting methacryloyl chloride with the resulting hydroxyl functional groups thereby providing a reactive surface. Photopolymerizing or thermal polymerization of crosslinked acrylate or methacrylate polymers on the reactive surface to produce a membrane covalently bonded to the underlying substrate. In addition such an electrode can also be produced on a polystyrene substrate by reacting methacryloyl chloride with the polystyrene substrate and photopolymerizing or thermally polymerizing to produce crosslinked acrylate or methacrylate polymers on the reactive surface to produce a membrane covalently bonded to the underlying polystyrene substrate.

Solid-contact ion-selective and reference electrodes covalently attached to functionalized polymers

The present disclosure relates to wastewater treatment systems for attracting and retaining anaerobic ammonia oxidizing (anammox) bacteria, methods of treating wastewater using such wastewater treatment systems, and the like.

Systems and methods for treating wastewater

A method includes reacting a polymer derived from a lactone with a cyclic carbonate compound comprising 2 to 5 cyclic carbonate moieties and a catalyst to form a crosslinked polylactone elastomer.

Methods for making renewable and chemically recyclable crosslinked polyester elastomers

Lactose-derived hydrogels include at least lactose and methacrylic anhydride. A method of preparing lactose-derived hydrogels includes copolymerizing lactose methacrylate, methacrylic acid, and sodium methacrylate using light-induced photopolymerization. Polymerization proceeds in the absence of a photoinitiator. No volatile organic compounds or waste are produced by the method. The lactose may be provided by a milk permeate waste stream from the dairy or food processing industry.

Lactose-derived hydrogels and methods of producing the same

Catalytic hydroesterification of alkyl lactates give alkyl 2-(propionyloxy)propanoates, starting from alkyl lactate, carbon monoxide, ethylene gas, and a palladium catalyst. Pyrolysis of alkyl 2-(propionyloxy)propanoates gives acrylate esters.

Process for the preparation of acrylate esters from alkyl lactates

A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-cis-cyclooctene, and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefin pre-polymer is provided.

Process to produce a polyolefin reactive telechelic pre-polymer

A graft copolymer can include, in its backbone, at least one segment having repeating units obtainable by ring-opening metathesis polymerization (ROMP) of an optionally substituted cycloalkene, and at least one segment comprising repeating units obtainable by atom transfer radical polymerization (ATRP) of a (meth)acrylate. The corresponding graft copolymer is highly suitable for use as an oil additive in internal combustion engines, in particular, in combustion engines which are operated for longer periods of time at substantially constant operating temperatures.

Graft copolymers based on polyolefin backbone and methacrylate side chains

Disclosed herein is a block copolymer comprising a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers; and a second block derived from an acrylate monomer. Disclosed herein too is a method comprising reacting a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers with an initiator to form a macroinitiator; and polymerizing a second block onto the first block to form a block copolymer; where the second block is derived by polymerizing an acrylate monomer; and where the block copolymer has a chi parameter of greater than or equal to about 0.05, when measured at a temperature of 200&#xb0; C. to 210&#xb0; C.; where the chi parameter is a measure of interactions between the first block and the second block of the copolymer.

Poly(cyclohexylethylene)-polyacrylate block copolymers, methods of manufacture thereof and articles comprising the same

A process to produce an ionomer comprising reacting alkyl-cis-cyclooctene and cis-cyclooctene in a mole ratio from 1:0 to 0:1, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer; hydrogenating the unsaturated polyolefin reactive telechelic pre-polymer to produce a hydrogenated polyolefin reactive telechelic pre-polymer; reacting the hydrogenated polyolefin reactive telechelic pre-polymer with at least one compound according to the formula aM+b(R), wherein M is a metal, x is a charge of M, R is an alkyl, aryl, oxide, or fatty acid, y is a charge of R, a and b are integers of at least 1, and ax+by=0, to form an ionomer is provided. Further provided are ionomers produced thereby.

Process to produce polyolefin ionomers and ionomers produced thereby

Methods for recovering monomers from polymers, such as polyurethanes (including thermoset polyurethanes) include heating the polymer to depolymerize the polymer and release the monomer. The monomer may be directly recovered. The polymer may include a poly(&#x3b2;-methyl-&#x3b4;-valerolactone) (PMVL) block and the monomer recovered may be &#x3b2;-methyl-&#x3b4;-valerolactone (MVL).

Recovery of monomer from polyurethane materials by depolymerization

Block copolymers include a poly &#x3b2;-methyl-&#x3b4;-valerolactone (PMVL) block. The PMVL blocks can be formed from biosynthesized &#x3b2;-methyl-&#x3b4;-valerolactone (MVL). The PMVL block may be formed from biosynthesized &#x3b2;-methyl-&#x3b4;-valerolactone (MVL) with aC/C ratio greater than zero. The block copolymers can include hard blocks. The block copolymers can be thermoplastic elastomers. The block copolymers may include a polylactic acid (PLA) block.

Poly(beta-methyl-delta-valerolactone) block polymers

A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer is provided. Further provided are unsaturated and hydrogenated reactive pre-polymers, crosslinked elastomers and high molecular weight elastomers.

Process to produce a polyolefin reactive telechelic pre-polymer, polyolefin reactive telechelic pre-polymers and crosslinked elastomers and high molecular weight elastomers

Growing community of inventors

Minneapolis, MN, United States of America

Marc Andrew Hillmyer