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    PU2PU
  Issue-391 - December 23, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> RELEASE AGENTS
Michem Wood Release 1117A Provides Mold Release for pMDI-Based Composite Wood Panels

Michelman has introduced Michem® Wood Release 1117A, a mold release agent used in the production of pMDI based oriented strand board and linear strand lumber. It produces a low COF interaction that allows the wood to release cleanly from the press plate, while producing a lighter colored board with reduced buildup. Michem Wood Release 1117A resists...

Company name: Michelman
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
China IPDI Market Begins to Climb on Bullish Buying Interests

China IPDI market begins to rise on the back of strong buying interests ahead of New Year and traders also raise their offers to chase the bullishness, according to market sources. In east China, distributors slow down their sales pace and hike offers on increasing demand and the need to recoup loss. Downstream buyers return the market and build...

Company name:
Published On: Wednesday December 18th, 2013

 
SYSTEMS>> BIOMATERIALS
Biodegradable scaffold may spur wound healing

Biomedical and chemical engineers at Vanderbilt University, working with a pathologist, have constructed a sponge-like, biodegradable tissue "scaffold" that releases an enzyme-blocking molecule to indirectly activate endogenous pathways and enhance tissue regeneration and wound healing.If further animal studies confirm the initial findings, the...

Company name: Vanderbilt University
Published On: Friday December 20th, 2013

 
CASE>> COATINGS
Arkema announces a project for the divestment of its Coating business in South Africa

Arkema announces a plan to divest its two South African subsidiaries, Arkema Resins Proprietary Limited and Harveys Composites Proprietary Limited to South African company, Ferro Industrial Products Proprietary Limited, specializes in the production and distribution of coatings and materials for composite markets. Through this divestment, Arkema...

Company name: Arkema
Published On: Wednesday December 18th, 2013

 
Hempel Blue Series Launched in India

A new range of protective coatings, the Blue Series offers customers advanced Hempel technology at a competitive price. Launched in India in September this year, the Blue Series includes a full range of products for new construction and maintenance in a number of applications. The Blue Series is a new range of primers, intermediates and...

Company name: Hempel
Published On: Friday December 20th, 2013

 
CASE>> COATINGS>> SPRAY FOAMS
Henry and IFTI Successfully Pass Alternative Thermal and Ignition Barrier Testing

International Fireproof Technology Inc. (IFTI) and Henry Spray Foam announced today that DC315 spray-applied coating passed a certified NFPA 286 test over over PERMAX™ 1.8 LB. closed-cell and PERMAX LV 0.5 LB. open-cell spray polyurethane foam at Intertek Labs in San Antonio, Texas and QAI Labs in Tulsa, Oklahoma.Henry's Senior Product Manager...

Company name: International Fireproof Technology
Published On: Friday December 20th, 2013

 
CASE>> ADHESIVES
Henkel opens new Adhesive Technologies Training Center

The new facility offers courses for everybody: From DIY store employees to professional craftsmen. The seminars focus on the correct use and practical application of wallpaper pastes (Metylan), assembly adhesives (Pattex), facade building products (Ceresit) and, above all, tile adhesives (Cimsec).The new 220-square-meter training center has been...

Company name: Henkel
Published On: Thursday December 19th, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION
Vibrant market and positive results for Cannon at K 2013

More qualified contacts, more interesting talks, more integrated solutions: these are three results characterising the participation of Cannon to the recent edition of K - the international Plastics show. Held in Dusseldorf, Germany, on October 16-23, the 2013 edition of the K Plastics Show attracted about 218,000 visitors and 3,200 exhibitors from...

Company name: Cannon
Published On: Wednesday December 18th, 2013

 
Product. Machine. Process.

RAMPF Dosiertechnik and RAMPF Giessharze, companies of the international RAMPF Group, are presenting innovative system solutions for reliable gasketing, sealing, encapsulating, and bonding at this year's Elecrama from 8-12 January 2014 at Bangalore International Exhibition Centre, Bangalore, India.Product, machine, process: as a diversified group...

Company name: RAMPF-Gruppe
Published On: Thursday December 19th, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION>> PRODUCTION>> BLENDING AND FORMULATING UNITS
PPI Introduces New Compact Chemical Storage and Transfer Stations

Polyurethane Process Industries (PPI) has introduced a compact, chemical storage and transfer system that makes it easier for manufacturers to condition and automatically feed chemicals to their blending or processing equipment.The new, modular system can be used to fill day tanks automatically with pre-conditioned polyurethane components, leading...

Company name: Polyurethane Process Industries
Published On: Wednesday December 18th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
Upstate Spray Foam contracted to perform work at West Point Academy

Upstate Spray Foam Insulation, of West Winfield, was recently awarded a large scale project at the United States Military Academy at West Point.Their portion of the project, contracted by Tampa, Fla.-based J. Kokolakis Contracting, will take approximately two months to complete.The project involves the complete renovation of the Scott Barracks, a...

Company name: Upstate Spray Foam Insulation
Published On: Tuesday December 17th, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE
Johnson Controls plans 11 new production facilities in China

After 16 years of continuous growth, Johnson Controls Automotive Experience plans to increase its number of production locations from 57 to 68 in China over the next few years."We are focusing on innovative complete interior solutions in China that anticipate market needs and meet customer expectations in terms of differentiation, comfort, safety,...

Company name: Johnson Controls
Published On: Wednesday December 18th, 2013

 
FINISHED PRODUCTS>> SPORTS
Dow say public-private partnerships will drive economic growth in the Middle East through sport

As Qatar and the wider Middle East region continues to increase its position as a host destination for world sporting events, the role that both public and private organizations have to play is key to drawing investment, according to Marko Blagovic, global sports marketing director, The Dow Chemical Company (Dow). Blagovic presented at the annual...

Company name: The Dow Chemical Company
Published On: Tuesday December 17th, 2013

 
FINISHED PRODUCTS>> PACKAGING
Engineered molding solution

Storopack offers companies fast, engineered foam-in-place packaging: FOAMplus Foam-in-Place foam pads made of polyurethane (PU). The Design Center develops a protective packaging solution using CAD/CAM systems. The design process takes into account the optimum density of the PU foam. The packing laboratory conducts a series of tests in order to...

Company name: Storopack
Published On: Tuesday December 17th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL
New samples of industrial parts from polyurethane Eracast 70

OSV technologists worked on the project for the production of new samples of polyurethane products for industrial purposes - impingement plates, used for manufacturing of industrial equipment.These products are made of a two-component polyurethane Eracast 70, produced by the Australian company Era Polymers. All works are done, using a compact...

Company name: OSV Technologiya
Published On: Wednesday December 18th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> VIBRATION- DAMPENING
Get help with a material damping calculation

Damping can be defined as the dissipation of oscillating energy. Examples of oscillating energy include vibration, noise, and shock waves. Consider the case of vibration-an oscillating energy made up of cyclically repeated forces of specific frequencies. Vibration refers to the up and down or back and forth motion that is caused by the transferred...

Company name: Sorbothane
Published On: Wednesday December 18th, 2013

 
INDUSTRY UPDATE
BASF and Renmatix agree on a joint development for the production of industrial sugars from biomass

BASF, Ludwigshafen, Germany, and American technology provider Renmatix Inc. of Philadelphia, Pennsylvania, will jointly scale up the Renmatix Plantrose process for the production of industrial sugars based on lignocellulosic biomass. The two companies signed a non-exclusive joint development agreement. The parties have agreed to key financial terms...

Company name: BASF
Published On: Friday December 20th, 2013

 
Mission Clay pipe factory to close after 114 years - but will continue to make urethane products.

A southeast Kansas factory that produces clay pipe will close Dec. 31 after more than a century in operation.The Joplin Globe reports officials of the Pittsburg plant of Mission Clay confirmed the plan Monday.Office manager Dennis Gatewood says about a dozen of the plant's 15 employees will lose their jobs. Three will stay on to help with the...

Company name: Mission Clay
Published On: Tuesday December 17th, 2013

 
PEOPLE
Roofing and Insulation Equipment & Supplies Provider, Intech Equipment & Supply, adds Dennis Alter...

Roofing and Insulation equipment and supplies provider, Intech Equipment & Supply, announced Dennis Alter has joined the company as southeast technical service manager. Alter brings over 15 years of experience in the insulation and spray foam markets to his new position.Based in Madison, Georgia, Alter will support the company's 5 full service...

Company name: Intech Equipment & Supply
Published On: Friday December 20th, 2013

 
Shoup wins PFA Herman Stone Technical Excellence Award

James Shoup, Senior Technical Sales Representative of Hennecke, Inc., received the Herman Stone Technical Excellence Award for the best technical presentation at the fall 2013 meeting of the Polyurethane Foam Association (PFA). Shoup’s paper focused on J-Flex, a new continuous process slabstock machine for lower volume production. It’s smaller...

Company name: Polyurethane Foam Association
Published On: Wednesday December 18th, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Polyurethane flame retardant formulation

The invention relates to a formulation suitable to provide polyurethane, the formulation comprising (a) at least one polyurethane forming mixture; (b) at least one phosphate component selected from the group consisting of ammonium polyphosphate (APP) and melamine phosphates, and mixtures thereof, and; (c) at least one metal or metalloid oxide...

Company name: Huntsman International LLC
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived...

The invention relates to a method for producing a biomass-resource-derived polyurethane, which comprises: reacting a dicarboxylic acid and an aliphatic diol to produce a polyester polyol; and reacting the polyester polyol and a polyisocyanate compound, wherein the dicarboxylic acid contains at least one component derived from biomass resources, a...

Company name:
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Method for producing polyether polyols

The invention relates to methods for the preparation of polyether polyols by DMC-catalysed alkylene oxide addition to starter compounds comprising acidic sulfuric acid salts, to the use thereof for the preparation of polyurethanes, and to polyurethanes comprising the polyether polyols according to the invention.

Company name: Bayer MaterialScience AG
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Process for preparing polyisocyanates comprising biuret groups

The present invention relates to a process for preparing polyisocyanates comprising biuret groups from diisocyanates or polyisocyanates and diamines.

Company name: BASF SE
Published On: Thursday December 19th, 2013

 
Pentamethylenediisocyanate, method for producing pentamethylenediisocyanate, polyisocyanate...

A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total: ##STR00001##

Company name: Mitsui Chemicals
Published On: Friday December 20th, 2013

 
PU RAW MATERIALS>> PREPOLYMERS
Unsaturated polyester-urethane prepolymer and its applications

An ethylenically unsaturated prepolymer comprising an ending X which reacts by condensation being a hydroxyl and/or amine or free isocyanate group and optionally an ending X' having ethylenic unsaturation, the prepolymer being the reaction product of a first component A comprising a mixture of i) a first ethylenically unsaturated resin carrying...

Company name: CCP Composites
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> PHOTOCURABLE
Chain transfer agent, photosensitive composition, cured product of photosensitive composition, and...

There are provided a photosensitive composition, and a cured product of the photosensitive composition, the photosensitive composition being an ultraviolet curable composition that is curable in a short time while a portion of the photosensitive composition such as a dark portion where radicals are not generated at all is curable. A cured product...

Company name: Sumitomo Electric Industries
Published On: Thursday December 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Process for producing pigment dispersion composition

A method for producing a pigment dispersion composition having excellent image density, dispersibility, and storage stability, has high resolubility, and forms an ink film having excellent marker resistance and scratch resistance. The method includes bringing a pigment (I) having a surface acidic group and a basic compound (II) having two or more...

Company name: Tokai Carbon
Published On: Friday December 20th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSIONS
Natural oil based poly-urethane dispersion

This invention relates to a natural oil based poly-urethane dispersion of water-based anionic polyurethane/urea polymer of high molecular weight by forming a water dispersible NCO-terminated polyurethane pre-polymer, consisting essentially of the reaction product of a polyol component and a polyisocyanate component, at a reduced temperature, which...

Company name: Roidec India Chemicals
Published On: Thursday December 19th, 2013

 
FOAMS
Closed-loop recycled polyurethane foam, methods of manufacture and products therefrom

The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.

Company name: International Automotive Components Group North America, Inc.
Published On: Thursday December 19th, 2013

 
Foams of high thermal stability

The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.

Company name: Bayer Intellectual Property
Published On: Thursday December 19th, 2013

 
FOAMS>> FLEXIBLE
Low resilience flexible polyurethane foam and process for its production

To provide a process for producing a flexible polyurethane foam which is excellent in low resiliency without using a plasticizer which is excellent in durability, and at the same time, which has high air permeability. A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture containing the-polyether polyol (A)...

Company name: Asahi Glass Co Ltd
Published On: Thursday December 19th, 2013

 
CASE>> COATINGS
Method for preparing a polyurethane-carbon nanotube based coating composition

The invention provides a method for preparing a Polyurethane-Carbon Nanotube (PU-CNT) based coating composition. More specifically, the invention provides a method for preparing a PU-CNT based anti-corrosive coating composition. The method comprises preparing a dispersion comprising one or more types of Carbon Nanotubes (CNTs). The dispersion is...

Company name: King Abdul Aziz City for Science and Technology
Published On: Thursday December 19th, 2013

 
Reactive polyurethane composition comprising abrasion-resistant fillers

The present invention relates to methods for producing a reactive polyurethane composition, by preparing in a first method step a monomer-free thermoplastic polyurethane having isocyanate-reactive groups from an isocyanate-reactive polymer or from a mixture of isocyanate-reactive polymers having a fraction of at least 90 wt % of linear molecules,...

Company name: Klebchemie MG Becker
Published On: Friday December 20th, 2013

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Composition capable of radiation activated catalysis and radiation curable urethane containing the...

A composition capable of radiation activated catalysis is provided. The composition comprises a metal compound, a mercapto compound and an olefinic compound. Radiation curable urethane compositions comprising the disclosed composition are also provided. The radiation curable urethane compositions comprise the disclosed composition, a hydroxyl...

Company name: Ashland
Published On: Thursday December 19th, 2013

 
CASE>> ADHESIVES
Curable compositions containing silylated polyurethanes

Silylated polyurethanes can be manufactured by reacting at least one polyol compound, having a molecular weight from 4000 to 20,000 dalton, with a diisocyanate, with a stoichiometric excess of the diisocyanate compound with respect to the polyol compound or compounds, with the result that a polyurethane prepolymer that is isocyanate-terminated is...

Company name: Henkel
Published On: Thursday December 19th, 2013

 
Adhesive composition and thermally adhesive member using same

The purpose of the present invention is to provide an adhesive composition leading to sufficient adhesive strength when used for bonding to a polyolefin resin molded article that bonds poorly with other members. Another purpose of the present invention is to provide an adhesive composition having excellent heat resistance (heat resistant adhesion)...

Company name: Toagosei
Published On: Thursday December 19th, 2013

 
CASE>> ADHESIVES>> PRESSURE SENSITIVE
Double-sided adhesive tape or sheet, and adherend processing method

The present invention relates to a double-sided pressure-sensitive adhesive tape or sheet, containing a heat-releasable pressure-sensitive adhesive layer containing a heat-expandable microsphere on one side of a substrate and a pressure-sensitive adhesive layer for temporary fixing on another side of the substrate, in which the pressure-sensitive...

Company name: Nitto Denko Corporation
Published On: Thursday December 19th, 2013

 
CASE>> ADHESIVES>> HOT-MELT
Hot melt adhesive composition

A hot melt adhesive composition employing a thermoplastic polyurethane, which has a high adhesive strength even under bonding conditions of low temperature and short time or even to nylon cloth, and which has a favorable adhesive strength in a wide temperature range of from room temperature to low temperature. A hot melt adhesive composition...

Company name: Asahi Glass Co Ltd
Published On: Thursday December 19th, 2013

 
CASE>> SEALANTS
Non-flammable cushioning and sealing sheet and method for preparing the same

The present invention relates to a non-flammable cushioning and sealing sheet and, more particularly to, a sheet having a sequential layered structure of an adhesive layer, a polyurethane layer, and a surface coating layer, the polyurethane layer containing melamine polyphosphate and diphenyl cresyl phosphate as a flame retardant. The present...

Company name: Utis Co
Published On: Thursday December 19th, 2013

 
CASE>> ELASTOMERS>> TPU
Polymer compositions

The invention provides a composition comprising at least the following: A) a thermoplastic polyurethane; B) an elastomer; C) a polydiene-based polyurethane or a polydiol-based polyurethane; D) a polyoctenamer; and E) a resin selected from the group consisting of the following: i) an indene-coumarone resin, ii) an aromatic hydrocarbon resin, and...

Company name: Dow Global Technologies
Published On: Thursday December 19th, 2013

 
Flame retardant composition for thermoplastic polyurethane polymers

The present invention relates to a formulation comprising at least one thermoplastic polyurethane polymer and a flame retardant composition, the flame retardant composition comprising i) at least one metal or metalloid oxide particle selected from magnesium oxide, magnesium hydroxide, silicon oxide, or aluminium oxide; ii) at least one phosphate...

Company name:
Published On: Thursday December 19th, 2013

 
CASE>> COMPOSITES>> NANOMATERIALS
Asphaltenes-based polymer nano-composites

Inventive composite materials are provided. The composite is preferably a nano-composite, and comprises an asphaltene, or a mixture of asphaltenes, blended with a polymer. The polymer can be any polymer in need of altered properties, including those selected from the group consisting of epoxies, acrylics, urethanes, silicones, cyanoacrylates,...

Company name: Honeywell Federal Manufacturing & Technologies
Published On: Thursday December 19th, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION
Handheld applicator suitable for gun valve containers

An improved handheld applicator is provided, fitted into an assembly onto a pressure container which is equipped with a gun valve and containing a viscous compound suitable for forming a silicone paste, a polyurethane (PU) foam, or a glue, the applicator being producible in one single injection moulding step and providing in handheld use the...

Company name: Soudal
Published On: Thursday December 19th, 2013

 
FINISHED PRODUCTS>> BEDDING>> MATTRESSES CORES
Coated springs and mattress made thereof

The invention describes a coated spring for mattresses that comprises a helical compression spring and a wrapping in the form of a bag containing the spring, wherein the bag containing the spring is injected with a polymeric reaction mixture, which after reacting or curing produces a polymeric foam, preferably of flexible polyurethane up to a...

Company name:
Published On: Thursday December 19th, 2013

 
FINISHED PRODUCTS>> BEDDING>> PILLOWS
Pillow or mattress with closed comfort layer having openings

Pillow or mattress having a comfort layer (5) which is made of natural or synthetic latex, polyurethane foam or another elastic material. The comfort layer 5 is provided with interrupted incisions (6) through the layer 5, along mainly parallel lines 7, and the layer (5) forms at least a part of a jacket around a core (2) of the pillow or mattress...

Company name:
Published On: Thursday December 19th, 2013

 
FINISHED PRODUCTS>> COATED FABRICS>> TEXTILES
Textile fabrics with reduced buildup of odor

Mixtures are described which contain reaction products of one or more amines with one or more epoxides and additionally isocyanates. Applying such mixtures to textile fabrics, especially polyester fiber fabrics, reduces or prevents unpleasant sweaty odor after physical exercise. The effects are very durable to laundering.

Company name: Huntsman Textile Effects
Published On: Friday December 20th, 2013

 
FINISHED PRODUCTS>> SPORTS
Soccer goalkeeper glove

Sports gloves include a multilayer palm section that includes an outer layer and one or more inner layers, at least one of which is a layer of slow rebound, open cell polyurethane to provide a glove with better impact control and protection while also providing a user with better feel for a ball striking the palm.

Company name:
Published On: Friday December 20th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL
Sealing system

A sealing system is provided which is intended to achieve an improvement in durability. A dust seal is composed of a first dust seal (100) and a second dust seal (200) which is arranged at a location nearer to an atmospheric air side than the first dust seal (100), wherein each of the first dust seal (100) and the second dust seal (200) has a seal...

Company name: NOK Corporation
Published On: Thursday December 19th, 2013

 
AEROGELS
Multifunctional porous aramids (aerogels) and fabrication thereof

The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and are derived from functionalized...

Company name:
Published On: Friday December 20th, 2013

 
CHEMISTRY
Room temperature vulcanizable polymers

A room-temperature vulanizable (RTV) polymeric composition comprising organosiloxane or polyurethane units having at least one terminal methyl isopropyl ketoximino or methyl propyl ketoximino moiety, as well as methods of making the same.

Company name: Honeywell
Published On: Thursday December 19th, 2013

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> BIOMATERIALS
Shape-Memory Bionanocomposites Based on Chitin Nanocrystalsand Thermoplastic Polyurethane with a...

Shape-memory bionanocomposites based on a naturally sourced segmented thermoplastic polyurethane and chitin nanocrystals were synthesized, and their mechanical properties and thermally activated shape-memory behavior were studied. The chitin nanocrystals were incorporated during the synthesis of the prepolymer made from a castor oil-based...

Company name: University of the Basque Country
Published On: Friday December 20th, 2013

 
CASE>> COATINGS>> PAINTS
Researchers Develop Deicing Solution Using Graphene nanoribbons embedded in polyurethane paint to...

Ribbons of ultrathin graphene combined with polyurethane paint meant for cars is just right for deicing sensitive military radar domes, according to scientists at Rice University.The Rice lab of chemist James Tour, in collaboration with Lockheed Martin, developed the compound to protect marine and airborne radars with a robust coating that is also...

Company name: Rice University
Published On: Wednesday December 18th, 2013

 
CASE>> COMPOSITES>> NANOMATERIALS
Synthesis and shape memory performance of polyurethane/graphene nanocomposites

Small amounts of allyl isocyanate modified graphene (iG, 0–2.5 phr) were incorporated into acrylate terminated polyurethane (PU) by UV curing. The effects of this incorporation on the morphological, mechanical, thermal and shape memory properties of the nanocomposites were examined. The iG nanoparticles incorporated into the PU chains acted as both...

Company name: Pusan National University
Published On: Friday December 20th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING
Modular Concerns: Polyurethane Foam Structural Adhesive, Part 1-Code Problems

Prior to 2008, my knowledge of manufactured buildings (modular construction) was limited to two things: I needed to drive widely past the convoy of tractor trailers carrying the modular boxes along the highway and, unless told by the homeowner at the time of inspection, I never would have known that the residence was factory made. The modular...

Company name:
Published On: Friday December 20th, 2013

 
CHEMISTRY
Visible-Light-Mediated Nucleophilic Addition of anα-Aminoalkyl Radical to isocyanate or...

A visible-light photoredox synthesis of α-amino amide or α-amino thioamide from N,N-dimethylaniline derivatives and aryl isocyanate or aryl isothiocyanate was developed. Bis[2-(4,6-difluorophenyl)pyridinato-C2,N](picolinato)iridium(III) (FIrpic) was found to be the effective catalyst among six catalysts screened. The reaction involves...

Company name: Soochow University
Published On: Friday December 20th, 2013

 
 

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