Issue-628 - October 15, 2016   Recommend
Press Releases Patents Technical Papers
EPA Acts On New Chemical Law To Fast-Track Five Chemicals

EPA is taking swift steps to carry out requirements in the Frank R. Lautenberg Chemical Safety for the 21st Century Act to reform the Toxic Substances Control Act and to reduce exposure to certain persistent, bioaccumulative, and toxic (PBT) chemicals.The threats from persistent, bioaccumulative and toxic chemicals are well-documented, said Jim...

Company name: US Environmental Protection Agency
Published On: Wednesday October 12th, 2016

Covestro : Force majeure on polyurethane raw materials MDI and TDI remains in effect

Due to an unforeseen production outage at a supplier of nitric acid, Covestro's European production facilities for the isocyanates MDI and TDI can currently only be operated at reduced capacity. Covestro therefore declared force majeure on October 6, 2016.Covestro is unable to fully compensate for the missing quantities of raw materials through...

Company name: Covestro
Published On: Friday October 14th, 2016

China domestic TDI prices more than double to record highs

Domestic toluene di-isocyanate (TDI) prices in China have more than doubled over a three-week period to record highs, with no apparent support from supply-demand fundamentals, industry sources said on Friday.On 12 October, average domestic TDI prices in the country stood at yuan (CNY) 35,500/tonne DEL (delivered) south China, the highest level...

Company name: ICIS Chemical Business
Published On: Friday October 14th, 2016

Electrolube launch new resin and thermal management solutions for LED manufacturers

With the rapid growth of the LED market, correct product selection is imperative to ensure LED performance and lifetime. Electrolube, an established global manufacturer of electro-chemicals, has developed a number of key new products to help LED manufacturers improve upon the thermal management of LED products and ensure the desired results for...

Company name: Electrolube
Published On: Friday October 14th, 2016

Soft-Tex International Becomes First Company to Earn New CertiPUR-US Certification for Molded Foam...

Soft-Tex International is the first company in the world to achieve the CertiPUR-US program's new certification for molded foam products.Until now, CertiPUR-US certification has existed for slabstock flexible polyurethane foam, but not for molded flexible polyurethane foam products. Soft-Tex was among the companies invited to participate in the...

Company name: Soft-Tex
Published On: Wednesday October 12th, 2016

Mapei UK secures shortlisted place at FeRFA awards

Mapei is delighted to announce they have been shortlisted at the prestigious annual FeRFA resin flooring awards for "Small Commercial Project of the Year" for their work with Coatech at BDP Architects practice, Bristol.The innovative Mapei "Mapefloor Comfort" flooring system in AR/X Grey, was installed to cover 180m2 of flooring in the meeting and...

Company name: Mapei
Published On: Friday October 14th, 2016

Rhino Linings Introduces HiChem 11-70 Chemical-Resistant Coating

Rhino Linings Corporation, a global leader in the manufacturing and distribution of sprayed-on protective linings and coatings today released a new addition to its growing line of industrial-grade protective linings. HiChem 11-70 is a two-component, 100% solids, zero-VOC polyurethane lining, and is the company's most chemical resistant product to...

Company name: Rhino Industrial
Published On: Friday October 14th, 2016

Building science podcast series launched by spray foam insulation manufacturer Icynene

A new podcast series aimed at providing architects and design professionals a building science insight into the use of spray foam insulation has been released by leading spray foam insulation manufacturer, Icynene.Together with trusted building science experts, the six-part podcast series - Icynene Building Genius Podcast - explores ideas and...

Company name: Icynene
Published On: Wednesday October 12th, 2016

Dymax Improves Multi-Cure 9451 Black Conformal Coating with New UL Certification

Dymax 9451 Conformal Coating has received a UL V0 flammability certification for materials used in printed wiring boards. Formulated for UV cure and secondary heat cure, this security enhancing material is ideal for environmental protection of PCBs, wire harnesses, electronic components, and other surfaces needing a protective coating. Its opaque...

Company name: Dymax
Published On: Monday October 17th, 2016

PPG debuts SPECTRACRON SPM Series DTM Monocoat

PPG has introduced SPECTRACRON SPM Series DTM (direct-to-metal) monocoat, a one-component coating that helps prevent corrosion on heavy-duty, transportation, agricultural and construction equipment.Spectracron SPM coating represents a significant technical advance because it is engineered for direct application to pretreated metal substrates while...

Company name: PPG Industrial Coatings
Published On: Friday October 14th, 2016

ADC Attends Powder Coating Summit 2016

The PC (Powder Coating) Summit is a two-day seminar that brings the latest in powder coating innovation to engineers, technologists, scientists, and marketing and management professionals. The event is put on by the Powder coating Research Group, Powder Coated Tough magazine and The Powder Coating Institute. This year's even took place in Columbus,...

Company name: Anderson Development Company
Published On: Thursday October 13th, 2016

Wanhua Chemical at K 2016

In only a few days' time, K 2016 - the world's No.1 trade fair for plastics and rubber industry - will be opening. Wanhua Chemical, a leading TPU producer in Asia and Polycarbonate pioneer in China, will highlight the latest TPU and Polycarbonate products solutions, value-added services as well as an insight into what the future holds at K 2016,...

Company name: Wanhua Chemicals
Published On: Friday October 14th, 2016

TPI Composites Extends and Enters into New Contracts with General Electric International

TPI Composites, Inc., (TPI) (Nasdaq:TPIC), the largest U.S.-based independent manufacturer of composite wind blades, announced today that it has extended two supply agreements with General Electric International ("GE") in Newton, Iowa and Juarez, Mexico through 2020. TPI also entered into a new agreement with GE for the supply of incremental wind...

Company name: TPI Composites
Published On: Wednesday October 12th, 2016

Clopay introduces insulated commercial full view door models with impact-rated glass for coastal...

Clopay is introducing commercial overhead door models that offer designers, specifiers, and building owners a thermally-broken, insulated steel full view option for buildings that require natural light and visibility. These include restaurants, retail centers, fire stations and automotive service centers."This new door combines features of two...

Company name: Clopay
Published On: Tuesday October 11th, 2016

The key to building energy efficiency? A sound building envelope

Spray polyurethane foam (SPF) insulation can increase the energy-efficiency of a home by creating a sound building envelope, which shields the home's living areas from the outdoor environment. Homes can lose as much as 40 percent of heating and cooling energy through cracks and gaps in the building envelope. SPF acts as an effective barrier against...

Company name: The American Chemistry Council
Published On: Monday October 17th, 2016

Thermoseal Spray Foam Insulation Eliminates Ice Damming and Ice Related Roof Damages in Homes

Many insurance companies no longer cover damages due to Ice Damming. According to property "Webster, Mass.-based insurer Mapfre USA Corp. wanted to add a deductible and require consumers to pay as much as $10,000 of the costs of repairing ice-dam damage before the its coverage kicked in."HOW DOES ICE DAMMING WORK?Ice Damming works...

Company name: Spray foam Polymers
Published On: Monday October 17th, 2016

PIMA Bulletin Compares Performance of Polyiso Insulation to Unfaced Mineral Wool Board Insulation in...

The Polyisocyanurate Insulation Manufacturers Association (PIMA) today announced the release of a Performance Bulletin evaluating Polyiso and unfaced mineral wool board insulation for use in commercial roof applications. The bulletin assesses the following criteria: thermal performance (R-value), fire performance, compressive strength, weight per...

Company name: The Polyisocyanurate Insulation Manufacturers Association
Published On: Monday October 17th, 2016

Versatile. Always. Everywhere. The TeamUP Chair

Solutions evolve as demands change. This is especially true in the business world. The ever-increasing pace of change in our work, offices and organizational structures calls for new and flexible office designs. BASF, in collaboration with ITO Design and Interstuhl, decided to tackle this challenge. The result is the TeamUP Chair, which makes use...

Company name: BASF
Published On: Wednesday October 12th, 2016

Axalta lays strategic foundation for Middle East expansion

Axalta Coating Systems has formally opened its regional office in Dubai's Jebel Ali Free Zone Authority (JAFZA).Designed to expand its regional sales and customer service capability, Axalta's investment responds to the region's continued growth that is outperforming other global markets in automotive industry sales.Axalta also plans refinish...

Company name: Axalta Coating Systems
Published On: Monday October 17th, 2016

PLAST 2018 - New website and presentation at K

It has been renewed the website of our triennal exhibition (, also in view of its official presentation during K show, where PLAST 2018 Organizing Secretariat will exhibit in Hall 16, stand A 56.First useful information are already available (including General Regulations, with rates and discounts for timely applications), in...

Company name: Plast 2018
Published On: Monday October 17th, 2016

Concentrol website now available in French and German

A few months ago we shared the news that we had renewed Concentrol's website and annouced that soon it would be available in more languages. From now on, French and German versions of our site are also available. This decision reflects our desire to reach out more effectively to new markets and to everyone who might be interested in Concentrol's...

Company name: Productos Concentrol
Published On: Monday October 17th, 2016

Hybrid In Advanced Discussions With Partner For Joint Development LOI - $35B Sector

Hybrid Coating Technologies Inc. is pleased to announce that it is in advanced discussions with a partner for a joint development agreement for the development of a foam product based on Hybrid's non-isocyanate polyurethane technology targeted at a $35 billion sector. Based on the advanced discussions, the partner would pay a portion of the...

Company name: Hybrid Coating Technologies
Published On: Friday October 14th, 2016

Long-standing success: The NRC Group and Notedome Ltd. celebrate 30 years of successful partnership

Being customer and service-oriented while keeping a focused eye on sustainability - such shared values are what have reinforced the successful partnership between The NRC Group and Notedome Ltd. for over 30 years.Notedome Ltd. is a manufacturer of polyurethane cast elastomers that was founded in Coventry (UK) by John Lear in 1979, a family business...

Company name: Notedome
Published On: Friday October 14th, 2016

RAMPF Group continues growth

The international RAMPF Group continues to grow: In financial year 2015/16 consolidated sales of 153 million euros were achieved, a rise of 7.7 percent on the previous year."We are very happy with the results of the 2015/16 financial year," says Michael Rampf, CEO of RAMPF Holding. "Having increased the group's consolidated sales by 17 percent in...

Company name: RAMPF Group Inc
Published On: Tuesday October 11th, 2016

Jared Blum to Step Down as President of PIMA

The Polyisocyanurate Insulation Manufacturers Association (PIMA) today announced that Jared Blum, who has led the Washington-based trade association since 1990, will leave at the end of this year.PIMA was founded in 1987 to represent the manufacturers of polyiso insulation and has grown to include a synergistic partnership of polyiso manufacturers...

Company name: The Polyisocyanurate Insulation Manufacturers Association
Published On: Monday October 17th, 2016

Harshad Naik named MD of Huntsman Corpn

Huntsman Corporation has appointed Harshad Naik as Managing Director, India Subcontinent. He will succeed Rohit Aggarwal who was appointed President of Textile Effects Division in July.In his new role, Harshad will lead the cross divisional collaboration required to deliver growth, build external partnerships and asset investments. He will...

Company name: Huntsman International LLC
Published On: Friday October 14th, 2016

FRX Polymers Makes Key Staff Appointments to Support Strong Growth for Non-Halogenated Flame...

FRX Polymers Inc., the global leader in polymeric halogen-free flame retardant solutions, has added new sales and application development positions in Europe and Asia and established a new business unit in China to support the strong growth for its breakthrough halogen-free FR products. FRX will discuss the announcement at the K 2016 exhibition...

Company name: FRX Polymers
Published On: Wednesday October 12th, 2016

Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams

The invention relates to a method for producing polyurethane soft foam by reacting an isocyanate component with a component which is reactive towards isocyanates. The component which is reactive towards isocyanates comprises a mixture of at least one polyether carbonate polyol and a polyether polyol as the constituents. In the component which is...

Company name: Covestro Deutschland
Published On: Saturday October 15th, 2016

Process for producing polyurethane resin

A process for producing a polyurethane resin of the present invention includes a step (i) of obtaining a prepolymer by adding an alcohol (B) to isocyanate (A) such that a ratio of hydroxyl groups to isocyanato groups of the isocyanate (A) falls into a range of 10 mol % to 20 mol % and reacting the isocyanate (A) with the alcohol (B) in the presence...

Company name: Mitsui Chemicals
Published On: Friday October 14th, 2016

Cast-in-place fiber technology

Novel tools and techniques for installing lines or cables, including, without limitation, power lines, low voltage lines, telecommunications lines or cables (e.g., telephone cables, network cables, television cables, etc.), and/or the like, and, in particular, installing optical fiber and/or other lines, slightly below ground level in a roadway or...

Company name: CenturyLink
Published On: Friday October 14th, 2016

Soft-tack, porous substrates for harvesting skin grafts

Devices and methods for skin graft harvesting are disclosed. In one aspect of the invention, substrates for transplanting skin grafts are disclosed that include a soft-tack, biocompatible composition having a surface adapted to contact at least one excised skin graft and engage the graft for removal from a donor site. In another aspect of the...

Company name: KCI Licensing
Published On: Saturday October 15th, 2016

Fertilizer granules having polymeric coating formed with a diol

A controlled release fertilizer composition and methods to produce the controlled release fertilizer composition. The controlled release fertilizer composition includes a fertilizer core that is coated with a polymeric layer, such as polyurethane, that includes a small molecule diol.

Company name: Agrium
Published On: Saturday October 15th, 2016

Photo-crosslinkable varnish compositions and application methods

The present invention relates to a photo-crosslinkable cosmetic composition, in particular for coating a nail or a false nail, and more particularly for making up a nail or a false nail, comprising, in a physiologically acceptable medium: at least one photo-crosslinkable compound a) comprising at least one (ALK)acrylate function and at least one...

Company name: L Oreal
Published On: Saturday October 15th, 2016

Polyurethane foam

A polyurethane foam having excellent shape-following properties, which exhibits favorable comfort when worn on the human body, both during movement and at rest. The polyurethane foam contains a toluene diisocyanate and a polyether polyol as the main components, has a glass transition temperature, defined as the temperature corresponding with the...

Company name: SMP Technologies
Published On: Friday October 14th, 2016

Polyurethanes, articles and coatings prepared therefrom and methods of making the same

The present invention provides polyurethanes including a reaction product of components including: (a) at least one isocyanate functional prepolymer including a reaction product of: (1) about 1 equivalent of at least one polyisocyanate; and (2) about 0.01 to about 0.5 equivalent of at least one polycarbonate polyol; and (b) about 0.01 to about 1...

Company name: PPG Industries
Published On: Friday October 14th, 2016

Mixer system for producing topcoat compositions and coating compositions used as filler

The present invention relates to a mixer system for producing topcoat compositions and filling compounds comprising a volumetric or gravimetric metering plant as a mixing apparatus and comprising at least the following components (a) to (d), these being at least one pigment-free component (a) for producing at least one topcoat composition (A),...

Company name: BASF Coatings AG
Published On: Saturday October 15th, 2016

Coating composition in the form of a non-aqueous transparent dispersion

The invention relates to a coating composition in the form of a non-aqueous transparent dispersion, comprising a reactive diluent, polyurethane (meth)acrylate particles, which can be obtained by reacting a polyisocyanate with a polyol and a nucleophilically functionalized (meth)acrylic acid ester in the reactive diluent in order to form...

Company name:
Published On: Saturday October 15th, 2016

Crosslinkable compositions of 2K polyurethanes with low VOC content

The present invention relates to a polyol resin composition comprising an acrylic polyol resin obtained from a monomer mixture comprising a1) at least one hydroxylated ethylenically unsaturated monomer or a monomer that is a precursor of a hydroxylated unit and a2) at least one cycloaliphatic ethylenically unsaturated monomer, b) a diluent bearing...

Company name: Arkema
Published On: Saturday October 15th, 2016

Thermally conductive flexible adhesive for aerospace applications

Provided are methods of forming thermally conductive flexible bonds for use in electronic boards of unmanned spacecrafts and other types of aircraft. Also provided are methods of preparing adhesive materials to form these bonds including methods of preparing treated filler particles. In some aspects, an adhesive material includes filler particles...

Company name: The Boeing Company
Published On: Friday October 14th, 2016

Polyurethane adhesives for reverse osmosis modules

An adhesive composition is made from a first part containing an isocyanate group-containing prepolymer that is a reaction product of a first isocyanate and at least one polyol; and a second isocyanate that is essentially unreacted with the first isocyanate, the at least one polyol, and the isocyanate group containing prepolymer; and a second part...

Company name: Cytec Industries Inc
Published On: Saturday October 15th, 2016

Optical adhesive composition, optical adhesive film and optical laminate

An optical adhesive composition is provided. The optical adhesive composition includes an acrylic-based polymer having at least one group selected from hydroxyl, amino and carboxylic acid group, a crosslinking agent having isocyanate groups, a acrylic-based oligomer having at least one unsaturated group and a photo initiator, wherein based on 100...

Company name: Koatech Technology
Published On: Saturday October 15th, 2016

Moisture-curable polyurethane hot-melt resin composition, adhesive, and article

An object of the present invention is to provide a moisture-curable polyurethane hot-melt resin composition with superior properties such as water resistance, fast-curing properties, and flexibility. The present invention provides a moisture-curable polyurethane hot-melt resin composition containing an isocyanate-containing urethane prepolymer (i)...

Company name: DIC Corporation
Published On: Friday October 14th, 2016

Improved polyurethane prepolymers having little or no plasticizer and their use in vehicular glass...

An isocyanate terminated prepolymer has been discovered that has sufficiently low glass transition temperature (Tg), necessary rheological properties and mechanical properties that allows for the making of adhesive compositions useful for bonding substrates into larger structures (e.g., windows in vehicles and buildings) with minimal or no...

Company name: Dow Global Technologies
Published On: Saturday October 15th, 2016

Method for producing a skin layer of a flexible, elastomeric, thermoset, phase-separated...

The thermoset, phase-separated polyurethane material of the flexible skin layer is produced from a reactive mixture which is made of one or more isocyanate compounds and isocyanate reactive compounds which include one or more polyol compounds, flexibilizers, chain extenders and/or crosslinkers and amine-initiators. Apart from at least one...

Company name: Recticel Automobilsysteme
Published On: Friday October 14th, 2016

Rubber polyurethane liner

A liner includes a rubber liner portion, and a polyurethane liner portion disposed on a surface of the rubber liner portion. The rubber polyurethane liner can be applied to cover surfaces of process support elements used to transport or handle process material such as tar sand slurry. The rubber polyurethane liner increases the effectiveness and...

Company name: Irathane Systems
Published On: Saturday October 15th, 2016

Method of producing a composite material using a mixing system

A method produces a composite material using a mixing system. The composite material comprises at least one aggregate, e.g. rock and/or glass, and the reaction product of a two-component polymeric binder composition comprising a first component, e.g. an isocyanate component, and a second component, e.g. an isocyanate-reactive component. The mixing...

Company name: BASF SE
Published On: Friday October 14th, 2016

Method of manufacturing a polyurethane sword or sparring instrument

Disclosed are methods of making polymeric swords and sparring instruments having improved mechanical properties. In one embodiment, a method of making a polyurethane sword includes centering a flexible support member on either a first half of a sword mold or on a second half of the sword mold; spraying a base coat paint on either the first half of...

Company name: Neptune Trading
Published On: Friday October 14th, 2016

Electric wire and method for producing the same, and multi-core cable and method for producing the...

The electric wire according to one aspect of the present invention is an electric wire comprising an insulated electric wire and one or more coating layers covering the insulated electric wire, wherein at least one layer of the one or more coating layers is formed from a resin composition containing a thermoplastic polyurethane elastomer and an...

Company name: Sumitomo Electric Industries
Published On: Saturday October 15th, 2016

Wall structure of large-sized refrigerated storage and construction method thereof

The present invention discloses a wall structure of a large-sized refrigerated storage and a construction method thereof. The construction method for a wall of a refrigerated storage comprises the following steps: A. building a wall framework; B. mounting a color steel plate on the outer surface of the framework to form an exterior wall board of...

Company name: Guangzhou Baier Cold-Chain Polyurethane Technology
Published On: Saturday October 15th, 2016

Method for producing blade member

A method for producing a blade member 1 includes an impregnation step of impregnating at least a portion of a surface of a blade portion 11 made of a polyurethane rubber with a surface treatment liquid that includes a salt of diazabicycloundecene and a carbodiimide-modified polyvalent isocyanate compound including a carbodiimide-modified polyvalent...

Company name: Sumitomo Riko Company
Published On: Saturday October 15th, 2016

Polymers for contact lenses

The present invention relates to a polyurethane polymer prepared from a mixture comprising: (a) at least one polyol of formula (I), wherein at least three of X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5 are each independently an OH-terminated polyoxyalkylene group, and the remainder of X.sub.1, X.sub.2, X.sub.3. X.sub.4 and X.sub.5 are each...

Company name: Ocutec
Published On: Friday October 14th, 2016

Metal mesh with a low electrical resistance conversion coating for use with aircraft structures

A gasket is provided with a tacky polyurethane or polyurea gel body and a metallic mesh skeleton where the skeleton has been coated with a conversion coating. The conversion coating helps reduce corrosion in the gasket and corrosion on the parts that place the gasket under compression, especially where an environment conducive to galvanic corrosion...

Company name: Aviation Devices & Electronic Components
Published On: Saturday October 15th, 2016

Reaction system for a low-monomer content single-component polyurethane foam II

Lubricant composition comprising a dicarboxylic acid ester component which is selected from di-isononyladipate and di-(2-ethylhexyl) adipate, and ethylene-propylene copolymer, and a monocarboxylic acids ester.

Company name: Covestro Deutschland
Published On: Saturday October 15th, 2016

Plastic compositions that include plasticizers containing an acylated phenolated fatty acid ester

Plastic compositions that include one or more plasticizers containing acylated phenolated fatty acid esters and methods for making same are provided. In some examples, the plastic composition can include a polymer and a plasticizer. The polymer can be or include a polyvinyl chloride, a polyvinylidene chloride, a cellulose ester, a cellulose ether,...

Company name: Georgia-Pacific Chemicals
Published On: Saturday October 15th, 2016

Fluorinated ethoxylated polyurethanes

The present invention comprises fluorinated ethoxylated polyurethanes of formula [R.sub.f--(X).sub.n--(CH.sub.2CHR.sup.1--O).sub.m--CH.sub.2CH.sub- .2--O--C(O)--NH].sub.p-A, wherein R.sub.f is a C.sub.1 to C.sub.6 perfluoroalkyl; X is a divalent radical; n is 0 or 1; R1 is H or C.sub.1 to C.sub.4 alkyl; m is 1 to 20; p is a positive integer of at...

Company name: The Chemours Company
Published On: Friday October 14th, 2016

Polysilylether: A Degradable Polymer from Biorenewable Feedstocks

The synthesis of polysilylethers (PSEs) using a monomer derived from a biorenewable feedstock is reported. The AB-type monomer was synthesized from undecenoic acid through hydrosilylation and reduction, and the polymerization was catalyzed by earth-abundant metal salts. High-molar-mass products were achieved, and the degree of polymerization was...

Company name: University of California Berkeley
Published On: Saturday October 15th, 2016

Polyurethane foams from oligomers derived from waste tire crumbs and polycaprolactone diols

This work was an initial study on the synthesis of polyurethane foams (PUF) by using diols obtained from the controlled degradation of waste tire crumbs and from polycaprolactone (PCL) followed by examination of their biodegradability. Natural rubber (NR, cis−1,4 polyisoprene) and butadiene rubber (BR) chains contained in waste tire crumbs...

Company name: Prince of Songkla University
Published On: Saturday October 15th, 2016

Formulating to Minimize Film Defects in 100 g/L VOC Solventborne 2K Polyurethane Coatings

Coatings formulators around the globe share the challenge of creating coatings with ever-decreasing volatile organic compound (VOC) levels. In the United States and Canada, this is frequently achieved through judicious use of solvents that are exempt from VOC regulation. Specifically within California's South Coast Air Quality Management District...

Company name: BASF SE
Published On: Monday October 17th, 2016

Structures of Hard Phases in Thermoplastic Polyurethanes

Limited long-range ordering and the presence of both hard and soft segments can cause substantial difficulties for structure determination in urethane elastomers. Here, the structuring has been investigated for a series of thermoplastic polyurethanes composed of 4,4′-methylene diphenyl diisocyanate and 1,4-butanediol. We utilize pair...

Company name: Columbia University
Published On: Saturday October 15th, 2016

High performance polyurethane composites with isocyanate‐functionalized carbon nanotubes:...

A microwave-assisted functionalization of carbon nanotubes (CNTs) with isocyanate groups allowed a reduction of functionalization time from 24 h to 30 min with no change in the degree of functionalization or in the nanotube characteristics. Polymer nanocomposites with enhanced mechanical properties were obtained because of the tailored interface by...

Company name: Universidade Federal de Minas Gerais
Published On: Saturday October 15th, 2016

Catalytic degradation of polyurea: Synthesis of N-substituted carbamates with CuO-ZnO as the...

A composite oxide CuO-ZnO catalyst was prepared and tested in the degradation of various polyureas using urea as the carbonyl source for the first time in this field. Under the optimized reaction conditions, a 96% diethyl hexamethylenedicarbamate (EHDC) yield was obtained with polyurea-hexamethylenediamine (PU-HDA) over the CuO-ZnO catalyst. The...

Company name: Lanzhou Institute of Chemical Physics
Published On: Saturday October 15th, 2016


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