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  Issue-575 - October 12, 2015   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS
Global Polyurethanes Market Segmented by Application, Industry and Geography Trends and Forecasts...

Global Polyurethanes (PU) market demand is projected to increase from 17million tons to 24 million tons, during 2014-2020. The global market has grown during the past few years, driven by cost effectiveness and the adaptability of polyurethane foams in major end-user industry applications. The market is expected to register a healthy growth on...

Company name: Report Buyer
Published On: Wednesday October 07th, 2015

 
PU RAW MATERIALS>> ADDITIVES
Process optimization with BYK additives

At Chinacoat, the largest and most important trade fair for the coatings sector in the Asian region, BYK Additives & Instruments, a leading manufacturer of additives and measuring instruments for the coatings and printing inks industries, will be represented with an exhibition booth covering about 180 m².Flagging up the motto "Obviously optimized",...

Company name: BYK-Chemie
Published On: Monday October 12th, 2015

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
UT scientists find natural alternative to toxic fireproofing chemicals

Researchers at the University of Texas have created a naturally derived flame retardant that could replace additives used now that are often toxic and accumulate in animals and humans, the school announced Monday."We believe this alternative to flame retardants can prove very useful to removing potential hazards from products that children and...

Company name: University of Texas
Published On: Tuesday October 06th, 2015

 
Exposure to flame retardants contributes to attention problems in children

Prenatal exposure to some flame retardants that have been widely-used in consumer products is associated with attention problems in children ages three through seven, according to a new study by researchers at the Columbia Centre for Children's Environmental Health, within Columbia's Mailman School of Public Health. The researchers are the first to...

Company name:
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> RELEASE AGENTS
Michelman Spotlighting Mold Release Solutions for Composite Wood Panel Manufacturers at 2015 EWTA...

Michelman will feature a selection of its popular composite wood panel mold release agents, as well as a modular duplex blending and application system at the 2015 EWTA Info Fair Supplier Exhibition. Michelman will be exhibiting in Booth 8 at the event which is being held October 17-19, 2015, in Coeur d'Alene, Idaho. Michelman's Michem Wood Release...

Company name: Michelman
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES
The Perfect Match: 5 Urethane Best Practices For Color Matching

The process of color matching for urethane materials has many variables, all of which affect your final product. If you don't take time to consider the factors that will impact your color match, you might not discover a color issue until your products are shipped and sold and your customers start complaining.That's the bad news.The good news is...

Company name: Chromaflo Technologies
Published On: Wednesday October 07th, 2015

 
NRC and ISL - Success with color

The future looks colorful now at the beginning of Nordmann, Rassmann's business partnership with ISL-Chemie GmbH & Co. KG. As of 1 November, NRC will be distributing ISL's products for polyurethane-based elastomers and foams throughout Germany.There is a wide range of application fields for ISL's products. Their ISOPUR and MOLTOPREN pigment pastes...

Company name: Nordmann Rassmann
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Huntsman Recycles the Equivalent of Approximately One Billion Plastic Bottles into its TEROL...

Huntsman Corporation announced that its Polyurethanes Division recycled the equivalent of nearly 1 billion 500ml plastic bottles into its TEROL aromatic polyester polyols line in 2014. As part of Huntsman's commitment to sustainability, the TEROL line incorporates pre-consumer, post-consumer and renewable content equivalent to recycled polyethylene...

Company name: Huntsman Polyurethanes
Published On: Tuesday October 06th, 2015

 
CASE>> COATINGS
Allnex to Present Innovative Coatings Technologies at ABRAFATI 2015

Allnex will participate at ABRAFATI 2015, the International Exhibition of Coatings Industry Suppliers, to be held at the Transamerica Expo Center in Sao Paulo, Brazil from October 13-15, 2015. This will be Allnex's first appearance at ABRAFATI since the company's acquisition of Įguia Quimica, one of the largest manufacturers of alkyd and acrylic...

Company name: Allnex
Published On: Thursday October 08th, 2015

 
CASE>> COATINGS>> FLOORING
Polyurethane Methacrylate (PUMA) - the new concrete coating on the block

Two major reasons for coating concrete are to mitigate corrosion and to stop water contaminants, salts and chemicals getting to the embedded reinforced steel and causing oxidisation, concrete cancer and cracking.There is a massive range of concrete protection products available that fulfil these objectives to varying degrees, from easy to use...

Company name: Poly-Tech Industrial Services
Published On: Wednesday October 07th, 2015

 
CASE>> COATINGS>> SPRAY FOAMS
Fomo Launches New ComfortRX.com

To help weatherization contractors find and get information on using the best air sealing products, selling your services and creating new business opportunities, Fomo Products, Inc. has launched the new ComfortRX.com. The site will also be a resource for homeowners looking to make their home more energy efficient.The new, mobile- and...

Company name: ComfortRX.com
Published On: Friday October 09th, 2015

 
Rhino Linings Introduces GeoTech CC2TB Trench Breaker Spray Polyurethane Foam

Rhino Linings Corporation, a global leader in protective coatings, announces the release of Rhino Linings GeoTech CC2TB, a 100% water-blown, closed-cell spray polyurethane foam (SPF) system designed for exterior ditch breaker, soil stabilization and geotechnical applications.GeoTech CC2TB is formulated with advanced, proprietary chemistry that...

Company name: Rhino Linings
Published On: Friday October 09th, 2015

 
Open Cell Spary Foam

There are two different types of spray foam insulations that can be used, and that is important to know for any individual who may be embarking on an insulation project. There is also the traditional form of insulating properties and that is the use of batt insulation, the long fiberglass filled sheets. The two different types of spray foam...

Company name: Foametix
Published On: Monday October 12th, 2015

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Dymax Oligomers & Coatings to Present at RadTech Europe 2015 Conference

Dymax Oligomers Coatings Global Product Manager Caroline Corniello will give a product presentation at the upcoming RadTech Europe Conference October 13 to 15 in Prague, Czech Republic. Ms. Corniello's presentation, "Dendritic Oligomers for LED-Curable Formulations", will be held on Wednesday, October 14, 11:00-11:15. She'll discuss how these...

Company name: Dymax
Published On: Friday October 09th, 2015

 
PEOPLE
Two new members boost EcoTherm Insulation sales team further

The sales team for UK rigid polyisocyanurate (PIR) insulation manufacturer EcoTherm Insulation UK Ltd has been boosted even further by the appointment of two new Area Sales Managers. The new managers will cover the South West, Scotland and North England.George Doris will now be responsible for Scotland and North England, and brings with him a...

Company name: EcoTherm
Published On: Monday October 12th, 2015

 
OrthoLite Expands Leadership Team, Focuses on Product Innovation

OrthoLite, the leading provider of comfort and performance insoles, announces the appointment of John Barrett as chief operating officer (COO) and retaining of Skip Lei as director of product innovation. Barrett, formerly general manager of Asia, will now oversee all Asian operations and guide the fast-growing company. Lei, of Evergreen...

Company name: OrthoLite
Published On: Friday October 09th, 2015

 
Urethane Names New Instructors, Representatives

On Thursday, the Urethane Supply Company announced three new instructors for its I-CAR Training Alliance course and two new representatives for the company.The new instructors, Kurt Zimmerman, Ray Cahill, and Adam Fulton, were all trained to provide the course "Introduction to Nitrogen Plastic Welding" in September. The three-hour long course gives...

Company name: Urethane Supply
Published On: Friday October 09th, 2015

 
Trexel names Brian Bechard as new president and CEO

Foaming technology provider Trexel Inc. has named industry veteran Brian Bechard as its new president and CEO.Bechard, who takes the helm of Wilmington, Mass.-based Trexel effective October 12, has held senior positions at hot runner maker Synventive Molding Solutions since 2008, where he was vice president of operations, vice president and general...

Company name: Trexel
Published On: Friday October 09th, 2015

 
INDUSTRY UPDATE
WACKER Expands Technical Center in Mexico to Include Dispersion Applications for Coatings and...

Munich-based chemicals group WACKER has expanded the service portfolio at its technical center in Mexico City, Mexico. The local facility now comprises state-of-the-art applications technology and test equipment for polymer dispersions needed as binders for architectural coatings and adhesives. The expansion not only enables WACKER to help its...

Company name: Wacker Chemie AG
Published On: Friday October 09th, 2015

 
Solvay offers collaborative solutions for the PU industry

Solvay showcased collaborative solutions for expanding polyurethane innovations as part of its offering at the CPI Polyurethanes Technical Conference 2015 in Orlando, FL, USA.Solvay products and collaborations were highlighted in the conference keynote address by Andre Borschberg, co-founder, CEO and pilot of the Solar Impulse 2 solar-powered...

Company name: Solvay
Published On: Friday October 09th, 2015

 
Chromaflo Informs Through Social Media

Chromaflo Technologies, a leading independent global supplier of pigment and chemical dispersions for the thermoset and coatings industries, is excited to launch its new content information sharing program. In addition to its quarterly newsletter, Chromaflo Technologies now has an information sharing blog on its website designed to be a resource...

Company name: Chromaflo Technologies
Published On: Friday October 09th, 2015

 
First rating for Covestro - Polymer manufacturer receives investment-grade rating

Covestro's first issuer rating confirms the company's creditworthiness on the international capital market. On Wednesday, one day after it was floated on the stock market, the polymer manufacturer received a Baa2 rating with a stable outlook from Moody's Investors Service in London, putting Covestro in the investment-grade category. "We are...

Company name: Covestro
Published On: Friday October 09th, 2015

 
CPI To Host Q&A With Pilot Of Solar-powered Aircraft

The Center for the Polyurethanes Industry (CPI) will hold a press conference with Andre Borschberg, one of the pilots and co-developer of the Solar Impulse solar-powered aircraft, immediately following his keynote address on Monday, Oct. 5, to the attendees of the 2015 Polyurethanes Technical Conference at the Gaylord Palms Resort in Orlando,...

Company name: The Center for the Polyurethanes Industry
Published On: Tuesday October 06th, 2015

 
Crain Communications forms Crain's Global Polymer Group

Crain Communications Inc. has announced the creation of its Global Polymer Group from existing print, digital and live-event brands.The new group includes seven print publications, eight websites, eight trade shows, more than a dozen conferences, multiple e-newsletters, a research department and custom publishing capabilities.Organizing our...

Company name: Crain Communications
Published On: Tuesday October 06th, 2015

 
HEALTH & SAFETY
Huntsman Polyurethanes Publishes Updated "Safe Handling and Use" Toolkit

Huntsman Corporation announced that its Polyurethanes Division has released an updated product stewardship toolkit, which is designed to help customers safely handle and manage the company's products.The streamlined 2015-2016 Huntsman Polyurethanes-Americas: Safe Handling and Use Toolkit contains 47 documents (product stewardship manuals,...

Company name: Huntsman Polyurethanes
Published On: Tuesday October 06th, 2015

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> RHEOLOGY MODIFIERS
Rheology modifier

The present invention relates to a process for preparing hydrophobically modified alkylene oxide polyurethanes by polymerizing, in the presence of a catalyst, a solvent-free melt of a polyisocyanate branching agent; a water-soluble polyalkylene glycol having an M.sub.w of from 2000 to 11,000 Daltons; and a diisocyanate; wherein the solvent-free...

Company name: the Rohm & Haas Company
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> POLYOLS
Lactide copolymer, method for preparing same, and resin composition comprising same

The present invention relates to a lactide copolymer having excellent general physical properties such as mechanical physical properties, processability, and the like, and having excellent flexibility to be effectively usable as a packaging material, and the like, a preparing method thereof, and a resin composition including the same, wherein the...

Company name: LG Chem
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> PREPOLYMERS
Alkoxysilane-terminated prepolymer based on polyether carbonate polyols, for spray foams

The present invention relates to an alkoxysilane-terminated prepolymer, characterized in that it is obtainable by reaction of at least A) a polyol, B) a compound having two or more isocyanate groups, and C) an alkoxysilane having at least an isocyanate group and/or an isocyanate-reactive group, wherein the polyol A) comprises at least a...

Company name: Bayer MaterialScience AG
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> PREPOLYMERS>> BLOCKED
Blocked polyisocyanate composition, prepolymer composition, and method of manufacturing them, and...

A prepolymer composition and a method for manufacturing them each of which is able to impart a low temperature thermosetting property surpassing the prepolymer of the phenolic resin to a prepolymer as a mixture of a blocked polyisocyanate compound and a polyisocyanate reactive compound, while suppressing generation of a toxic gas impacting on the...

Company name: Daiei Sangyo Kaisha
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION
Transparent resin substrate

The transparent resin substrate has a light-transmitting thermoplastic resin underlying sheet 1 and a hard coating formed on one surface of the underlying sheet, wherein the hard coating includes a resin component obtained by curing an urethane acrylate that contains a tri-functional or less functional urethane acrylate and a tetra-functional or...

Company name: Fukuvi Chemical Industry
Published On: Friday October 09th, 2015

 
Polyurea silicate resin for wellbore application

Described herein is a novel method of strengthening a wellbore wherein the method uses a polyurea silicate composition. In the method of strengthening an oil well, a gas well or a water well, a mixture comprising at least one isocyanate component having at least two isocyanate groups per molecule; at least one alkali metal silicate; and water is...

Company name: BASF SE
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSIONS
Polyurethane dispersion based synthetic leathers having improved embossing characteristics

Described herein are methods of preparing PUD based, poromeric, synthetic leathers having improved embossing characteristics, the methods comprising: preparing a polyurethane prepolymer, wherein the prepolymer comprises at least one isocyanate resin, and at least two polyols; preparing a first mixture comprising the polyurethane prepolymer, water,...

Company name:
Published On: Friday October 09th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> ADHESIVES
Flame retardant adhesive sheet

Provided is a flame retardant adhesive sheet having an adhesive agent layer on at least one surface of a base material, which even when the adhesive agent layer does not contain a flame retardant agent, has both excellent flame retardant properties and adhesive properties. The present invention is concerned with a flame retardant adhesive sheet...

Company name: Lintec
Published On: Friday October 09th, 2015

 
FOAMS>> FLEXIBLE>> HIGH RESILIENCE
High resilience polyurethane foams comprising castor oil

A process for producing high resilience flexible polyurethane foams. The process includes forming a mixture of (a) isocyanate prepolymer, (b) polymeric compounds having isocyanate-reactive groups, (c) castor oil, (d) optionally chain-extending and/or crosslinking agents, (e) catalysts, (f) blowing agents, and optionally (g) additives, and reacting...

Company name: BASF SE
Published On: Friday October 09th, 2015

 
FOAMS>> FLEXIBLE>> VISCOELASTIC FOAMS
Viscoelastic sound-absorbing polyurethane foam and preparation method thereof

The present invention discloses a viscoelastic sound-absorbing polyurethane foam and a method for preparing the same, the foam being prepared by reacting a polyisocyanate composition and an isocyanate reactive component. The isocyanate reactive component comprises, based on the weight of mixed polyethers, 30-80 wt % of (bii) a copolyol of...

Company name: Wanhua Chemicals
Published On: Friday October 09th, 2015

 
FOAMS>> RIGID
Polyurethane foam composition

Single component compositions for making a moisture-cured polyurethane foam are disclosed. Foam produced from the compositions of the present invention produce very low foaming pressure due to their 60-95 percent open-cell content. After these compositions are applied and cure, they form a permanent seal around the perimeter of installed...

Company name: Dow Global Technologies
Published On: Friday October 09th, 2015

 
CASE>> COATINGS
Soft coating for a golf ball

A golf ball having a soft outer surface coating having a hardness less than about HB on the ASTM D3363 scale, or less than about 40 on ASTM D2134 scale. The soft outer surface coating may contain polyurethane, a hydroxyl functional silicone material, or a hydroxyl functional fluoro material. Also, a method for making the golf ball. The golf ball...

Company name: Nike
Published On: Friday October 09th, 2015

 
CASE>> COATINGS>> DISPERSIONS
Method for making waterborne polyurethane with a reactive functional group and a nanocomposite made...

A method for forming an aqueous polyurethane dispersion including providing an isocyanate (NCO)-terminated prepolymer with a side-chain reactive functional group by admixing (i) at least one diisocyanate, (ii) at least one difunctional polyol, (iii) a short-chain diol monomer having a side-chain reactive functional group or a modified clay thereof,...

Company name: National Chung-Shan Institute of Science and Technology
Published On: Friday October 09th, 2015

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Sunlight curable coating compositions

A coating composition capable of curing to a high hardness by exposure to sunlight. More particularly, the coating composition comprises a high molecular weight polyurethane (meth)acrylate or methacrylate dissolved in one or more non-alcohol solvent, a visible light photoinitiator, and an alcohol solubilizer.

Company name: Dymax
Published On: Friday October 09th, 2015

 
CASE>> ADHESIVES>> LAMINATES
Adhesive polymers for forming laminate structures

Laminate structures comprising one or more sheets of material bonded together with an adhesive polymer. The adhesive polymer is a polyester amide, polyester urethane, or polyester urea.

Company name: Dow Global Technologies
Published On: Friday October 09th, 2015

 
CASE>> SEALANTS
Low-modulus silylated polyurethanes

A method for producing a silylated polyurethane that comprises the following steps: (1) reacting at least one polyether polyol having a number average molecular weight of at least 2,000 g/mol with at least one polyisocyanate in the presence of at least one solvent; (2) reacting the reaction product of step (1) with at least one silane of formula...

Company name: Henkel
Published On: Friday October 09th, 2015

 
Protective air barrier sealant for conditioned and unconditioned building walls

A protective air barrier air barrier sealant and methods of applying the same, including a high density polyurethane chemistry provided in an amount, volume, and density effective for providing a protective air barrier for an enclosure, wherein the polyurethane material is combined with at least one UV, fire and antimicrobial protectant for...

Company name: SealantTech
Published On: Friday October 09th, 2015

 
CASE>> ELASTOMERS>> TPU
Flame-retardant thermoplastic polyurethane based on polycarbonate diols

The present invention relates to compositions comprising at least one thermoplastic polyurethane, at least one metal hydroxide, and at least one phosphorus-containing flame retardant, where the thermoplastic polyurethane is a thermoplastic polyurethane based on at least one diisocyanate and on at least one polycarbonatediol. The present invention...

Company name:
Published On: Friday October 09th, 2015

 
Halogen-free flame-retardant TPU

The present invention relates to a flame-retardant mixture comprising (A) at least one polyurethane as component A, (B) at least one flame retardant selected from the group consisting of tallow, ammonium phosphate, ammonium polyphosphate, calcium carbonate, antimony oxide, zinc borate, clay, montmorillonite clay, metal oxides, metal hydroxides,...

Company name: BASF SE
Published On: Friday October 09th, 2015

 
Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols...

The invention relates to a method for producing a thermoplastic polyurethane elastomer based on polyether carbonate polyols. The method comprises a first step, in which at least A) an organic diisocyanate and B) a polyol having a number-average molecular weight Mn>=500 and =60 and =0.9:1 and

Company name: Bayer MaterialScience AG
Published On: Friday October 09th, 2015

 
CASE>> ELASTOMERS>> FIBERS
Spunbonded non-woven fabric, production process for the fabric and use thereof

The present invention provides a spunbonded non-woven fabric having excellent productivity, stretchability, touch and fuzz resistance without adhesion thereof on a roll and the like just after fiber deposition during the production. The spunbonded non-woven fabric comprises long fibers of a thermoplastic polyurethane elastomer (A) containing...

Company name: Mitsui Chemicals, Inc
Published On: Friday October 09th, 2015

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> POLISHING PAD
Polishing pad and method for producing same

Provided are: a polishing pad which is capable of alleviating a scratch problem that occurs when a conventional hard (dry) polishing pad is used, and which is excellent in polishing rate and polishing uniformity and is usable not only for primary polishing but also for finish polishing; and a method for producing the polishing pad. The polishing...

Company name: Fujibo
Published On: Friday October 09th, 2015

 
FINISHED PRODUCTS>> PRINTING>> DOCTOR BLADES / CLEANING BLADES
Cleaning device comprising in-situ metal oxide dispersion

A cleaning device used in an electrophotographic image forming apparatus that provides excellent wear resistance and mechanical robustness. In particular, the cleaning device is a crosslinked elastomeric polyurethane cleaning blade that includes at least an end region contacting the surface of an imaging member to remove debris therefrom and...

Company name: Xerox
Published On: Friday October 09th, 2015

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

An object of the present invention is to provide a golf ball with an improved controllability by enhancing a dry spin rate and wet spin rate in a so-called distance type golf ball. The present invention provides a golf ball comprising a constituting member that is formed from a polyurethane composition containing, as a resin component, a...

Company name: Dunlop Sports
Published On: Friday October 09th, 2015

 
Thermoset polyurethanes based on moisture-resistant polyols for use in golf balls

The present invention provides golf balls having a rubber core, and a cover layer made from a thermoset polyurethane of polyurethane-urea that is the reaction product of a polyisocyanate with moisture-resistant polyol and curing agent. An intermediate layer, formed from an olefin-based acid copolymer ionomer composition and preferably an ethylene...

Company name: Acushnet Company
Published On: Friday October 09th, 2015

 
Golf balls having a center with surrounding foam outer core layer

Multi-layered golf balls having a dual-layered core and cover of at least one layer are provided. The dual-core construction includes a non-foamed inner core (center) made of a thermoplastic or thermoset composition such as polybutadiene rubber. An outer core layer comprising a foamed composition, such as polyurethane foam, is disposed about the...

Company name: Acushnet Company
Published On: Friday October 09th, 2015

 
FINISHED PRODUCTS>> MEDICAL>> DRUG-ELUTING SYST.
Implantable device for the delivery of octreotide and methods of use thereof

This invention is related to the use of polyurethane-based polymer as a drug delivery device to deliver biologically active octreotide at a constant rate for an extended period of time and methods of manufactures thereof. The device is very bio-compatible and biostable, and is useful as an implant in patients (humans and animals) for the delivery...

Company name: Endo Pharmaceuticals Solutions
Published On: Friday October 09th, 2015

 
CHEMISTRY
Urethane compound and method for producing the same, and isocyanate and method for producing the...

A method for producing urethane compounds includes allowing a primary amine, a urea and/or an N-unsubstituted carbamate, and an alcohol to react in the presence of a compound containing a noncoordinating anion and a metal atom as a catalyst.

Company name: Mitsui Chemicals
Published On: Friday October 09th, 2015

 
 
LATEST TRENDS >> PAPERS
CASE>> COMPOSITES
Electrically conductive composites of polyurethane derived from castor oil with...

Electrically conducting fibers were prepared through in situ oxidative polymerization of pyrrole (Py) in the presence of peach palm fibers (PPF) using iron (III) chloride hexahydrate (FeCl3.6H2O) as oxidant. The polypyrrole (PPy) coated PPF displayed a PPy layer on the fibers surface, which was responsible for an electrical conductivity of...

Company name: Universidade Federal de Santa Catarina
Published On: Monday October 12th, 2015

 
CASE>> COMPOSITES>> NANOMATERIALS
Improving hydrophobicity of polyurethane by PTFE incorporation

A simple and facile method was established of incorporating polytetrafluoroethylene (PTFE) on to polyurethane (PU) to improve hydrophobicity of PU by incorporating low levels of fluorine at a molecular level. Nanocomposites were made by preparing PU in the presence of PTFE using seeded miniemulsion polymerization method. The resulting PTFE/PU...

Company name: Indian Institute of Chemical Technology
Published On: Monday October 12th, 2015

 
CHEMISTRY
Price-Focused Analysis of Commercially Available Building Blocks for Combinatorial Library Synthesis

Combinatorial libraries are synthesized by combining smaller reagents (building blocks), the price of which is an important component of the total costs associated with the synthetic exercise. A significant portion of commercially available reagents are too expensive for large scale work. In this study, 13 commonly used reagent classes in...

Company name: Lead Discovery Center
Published On: Monday October 12th, 2015

 
Preparation of lignin/glycerol-based bis(cyclic carbonate) for synthesis of polyurethanes

A bis(cyclic carbonate) was obtained via glycidylation of lignin-based bisphenol followed by cycloaddition with CO2. Further polyaddition between the bis(cyclic carbonate) and diamines led to the synthesis of polyurethanes. The structure and thermal properties of these polyurethane materials were elucidated by NMR, FT-IR, GPC, XRD, TGA and DSC.

Company name: Dalian Institute of Chemical Physics
Published On: Monday October 12th, 2015

 
Cooperative Catalysis of Cyclic Carbonate Ring Opening: Application Towards Non‐Isocyanate...

The aliphatic polyurethane with pendant alkyne, perfluorophenyl, and anthracene moieties (PU-anthracene) was prepared from polycondensation of anthracene, alkyne, and perfluorophenyl functional-diols with hexamethylenediisocyanate in the presence of dibutyltindilaurate (DBTL) in CH2Cl2 at room temperature for 10 days. Thereafter, the...

Company name: Northwestern University
Published On: Monday October 12th, 2015

 
 

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