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  Issue-358 - April 29, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Your home is filled with toxic flame retardants

Two new studies published in the journal Environmental Science & Technology confirm that the average home is filled with toxic flame retardant chemicals that may cause anything from cancer to hormonal problems to birth defects.In the first study, researchers from the Silent Spring Institute and the University of Antwerp, Belgium, tested the dust of...

Company name: Duke University
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Global Market for Polyester Polyols 2012 Research Report Available at MarketResearchReports.Biz

IAL Consultants is pleased to announce the publication of the third edition of its twovolume study on the global market for polyester polyols. Aliphatic Polyester Polyols are covered in Volume 1; Aromatic Polyester Polyols in Volume 2. The geographic scope of the study is as follows:EMEA (Europe, Middle East and Africa)The Americas (North* and...

Company name: Market Research Reports
Published On: Tuesday April 23rd, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Bayer US TDI, MDI Plants Resume Operating after Turnaround Finished

Bayer TDI and MDI operations in Baytown, Texas, US, are running regularly for the moment after it completed maintenance at its 300ktpa MDI plant in recent days, according to the Company’s information. Bayer’s two TDI units resumed on around Mar.21 after maintenance completed. During the turnaround period, China TDI exports surged from January to...

Company name: Bayer MaterialScience
Published On: Tuesday April 23rd, 2013

 
PU RAW MATERIALS>> ISOCYANATES>> TDI
Dow Announces TDI Increase

Due to the continued tightening of supply of TDI, The Dow Chemical Company will increase its price for VORANATE™ TDI by US $0.10/pound in the United States.This action is effective May 1, 2013, or as soon thereafter as the applicable contract allows.

Company name: The Dow Chemical Company
Published On: Tuesday April 23rd, 2013

 
SYSTEMS>> COATINGS>> SPRAYS
DC315 Passes Ignition Barrier Testing on Bayseal Open-Cell Spray Foam

International Fireproof Technology Inc. (IFTI) and Bayer Material Science LLC, announced today that DC315 spray-applied coating passed certified testing over Bayseal™ 0.5 lb. open-cell spray foam as an ignition barrier.Richard Guarneri, Vice President of Technology, states, "We are excited to get an industry leading application rate of 400 sq. ft....

Company name: International Fireproof Technology
Published On: Friday April 26th, 2013

 
CASE
Positive porspects for M&A in coatings, adhesives and sealants

The adhesives and sealants sector is a hot area for mergers and acquisitions, attracting both strategic and private equity buyers. The time for consolidation is now.Hopes are high for the chemical mergers and acquisitions (M&A) market overall and the adhesives, sealants, coatings and elastomers sector in particular. "The outlook for M&A in this...

Company name: ICIS Chemical Business
Published On: Monday April 29th, 2013

 
CASE>> COATINGS
Polymer Sealant From Birchwood Produces A Clear, Hard Protective Finish

CLEARLOK is an all-purpose water-based polyurethane sealant formulated to provide a protective topcoat on most metal surfaces. Most important, CLEARLOK polymer sealant produces a clear, hard and glossy sealant that is non-polluting and contains no harmful VOC content.The CLEARLOK polymer coating is tough with excellent scratch and scuff resistance...

Company name: Birchwood Technologies
Published On: Thursday April 25th, 2013

 
CASE>> COATINGS>> FLOORING
BASF launches cementitious urethane flooring topcoat in U.S., Canada

BASF today launched UCRETE® DP Topcoat in the United States and Canada. The addition of this cementitious urethane topcoat product completes the UCRETE system portfolio in North America. Functioning as a lock coat for UCRETE HP broadcast system, UCRETE DP Topcoat ensures consistent technology and performance throughout the entire UCRETE flooring...

Company name: BASF
Published On: Tuesday April 23rd, 2013

 
CASE>> COATINGS>> ROOFING
Legends Roofing Now Offers Gaco Coatings

Legends Roofing, a roofing contractor that has served Dallas since 2002, is proud to now be offering Gaco coatings. Gaco coatings are protective, low slope roof coatings that are Energy Star rated, which will keep buildings/homes cool in the summer and help the environment.Gaco roof coatings are an elastomeric silicone rubber coating that is...

Company name: Legends Roofing
Published On: Wednesday April 24th, 2013

 
CASE>> COATINGS>> SPRAY FOAMS
Advanced Polymer Coatings introduces new one-coat tank lining, Chemline 784/32 for plural component...

Advanced Polymer Coatings, is introducing a new tank lining system at the 2013 ILTA Conference & Trade Show, in Houston, Texas.New ChemLine® 784/32 PC coating is based on the well-known ChemLine® brand of high performance, polymer-based coatings. This new patented polymer formulation incorporates a 98%+ solids coating system, engineered for a...

Company name: Advanced Polymer Coatings
Published On: Tuesday April 23rd, 2013

 
Interest Rises in Polyurethane Concrete Lifting After Spray Foam Show

Concrete lifting has been a money-saving alternative to concrete replacement for some time now, and lifting with polyurethane foam has only recently entered the picture. Even still, foam lifting and leveling has been increasing in popularity, with no indication more clear than the response at the 2013 SPFA Convention & Expo, where an entire...

Company name: HMI
Published On: Friday April 26th, 2013

 
CASE>> ADHESIVES
Efficient sealing and bonding solution from Sika helps complete hotel refurbishment without stopping...

An efficient sealing and bonding solution from Sika Australia helped complete a major hotel refurbishment without stopping operation. The refurbishment of a boutique QT hotel on Queensland’s Gold Coast included the laying of more than 3000 square metres of timber flooring, transforming it into a fresh and modern travel destination. The hotel...

Company name: Sika Australia
Published On: Friday April 26th, 2013

 
CASE>> SEALANTS
Wolf Group Buys Stake in Brazilian Plant

Wolf Group, a leading European producer and exporter of PU foams, joint sealants and breathing facade solutions, acquired 40% of Elasteq do Brasil Ltd shares, a manufacturing plant in Brazil. The production plant of Elasteq is located near Sao Paulo, one of the largest cities in South America, and the company specializes in the manufacture and...

Company name: Wolf Group
Published On: Thursday April 25th, 2013

 
CASE>> ELASTOMERS>> TPU
PlastiComp introduces translucent long fiber compound for structural applications

PlastiComp, a globally recognized leader in the long fiber thermoplastic (LFT) industry is thrilled to announce a compounding breakthrough in a translucent, long-fiber reinforced compound. “Molded structural parts with translucent qualities lead to unique applications that require strength and optical transparency”, per Dr. Raj Mathur, Vice...

Company name: Plasticomp
Published On: Tuesday April 23rd, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING
Increased energy efficiency, less maintenance: BASF showcases construction solutions in Istanbul

BASF will attend the Yapi Fuarı – Turkeybuild 2013, which will be carried out at Tüyap Fair and Congress Center in Istanbul on April 24-28, 2013. BASF will be presenting its numerous solutions, including products to raise the energy efficiency of buildings as well as materials to prolong their lifespan and thus reduce maintenance efforts. One...

Company name: BASF
Published On: Friday April 26th, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE
New joint venture for Faurecia Interior Systems in Thailand

Faurecia Interior Systems signed an agreement to establish a joint venture with Thailand-based equipment manufacturer Summit Auto Seats to support Ford's growth strategy in Southeast Asia, especially in Thailand. The joint venture is due to begin operating in April.

Company name: Faurecia
Published On: Tuesday April 23rd, 2013

 
Faurecia signs joint-venture agreement with Chang’an Automobile Group

Faurecia, the world's sixth largest automotive equipment supplier, and Chinese automobile manufacturer Chang'an Automobile Group, one of China's largest automobile groups, today signed an agreement for the establishment of a new 50/50 joint-venture, CSM Faurecia Automotive Systems Company Ltd (CFAS) for automotive interiors. The signing of the...

Company name: Faurecia
Published On: Tuesday April 23rd, 2013

 
Woodbridge adding new plant in Chattanooga to manufacture products for the automotive industry

The Woodbridge Group is opening a new manufacturing plant in Chattanooga.The new facility will produce formed plastics products for the automobile industry and will operate independently of the two divisions the company already runs in the Scenic City: Woodbridge Foam Fabricating, a manufacturing plant that employs about 160 workers, and Woodbridge...

Company name: The Woodbridge Group
Published On: Monday April 29th, 2013

 
FINISHED PRODUCTS>> COLD STORAGE & REFRIGERATION
Maersk Container Industry grants another major contract to Cannon

Maersk Container Industry, a business unit in the A.P. Moller - Maersk Group, selected again the Cannon Group for the supply of a complete foaming plant for their reefers, the temperature-controlled containers used to transport frozen or refrigerated goods.The equipment will be installed in Maersk Container Industry (MCI) new factory in San...

Company name: Cannon
Published On: Thursday April 25th, 2013

 
FINISHED PRODUCTS>> MARINE>> CONTAINMENT SYSTEM
Hyundai Heavy unveils membrane LNG cargo containment system

Hyundai Heavy Industries (HHI) announces that it has developed a high performance Hyundai membrane LNG cargo containment system. The shipbuilding giant’s new membrane type containment system for liquefied natural gas received Design Approval from classification societies including ABS and DNV.The containment system useable for liquid natural gas...

Company name: Hyundai Heavy Industries
Published On: Wednesday April 24th, 2013

 
INDUSTRY UPDATE
Air Products CEO: 'We are tempering our expectations'

Air Products' second-quarter earnings edged down amid unexpected economic headwinds that prompted the company to slash its earnings forecast.The Trexlertown company reported Tuesday it earned a profit of $300 million on sales of $2.5 billion during the three months ended March 31.Compared to the same period last year, profit was down less than 1...

Company name: Air Products and Chemicals, Inc
Published On: Friday April 26th, 2013

 
Firm pricing, lower costs offset reduced sales for Dow's Q1

Dow Chemical’s first-quarter net income increased 27% year on year to $660m (€508.2m) despite reduced sales and volumes, as a result of firmer pricing and lower costs, the US chemicals giant said on Thursday.The company reported $14.4bn in sales for the quarter compared to $14.7bn during the same period last year, as a result of flat volumes in...

Company name: The Dow Chemical Company
Published On: Friday April 26th, 2013

 
BASF to strengthen competitiveness of its Performance Products segment

BASF is taking a number of steps to strengthen the competitiveness of its Performance Products segment. The segment bundles BASF’s businesses with chemicals that improve the properties of many different end-user products. The portfolio includes ingredients for personal care, cosmetics, pharmaceuticals, plastic additives, pigments and paper...

Company name: BASF
Published On: Wednesday April 24th, 2013

 
Graco Inc. and U.S. Federal Trade Commission Reach Settlement on Spray Foam Equipment

Graco Inc. today announced it has reached a non-monetary settlement agreement resolving a Federal Trade Commission (FTC) non-public investigation of the Company’s business related to spray foam equipment used by contractors doing business in the United States.The settlement expressly states that Graco does not admit any violation of law or that the...

Company name: Graco
Published On: Tuesday April 23rd, 2013

 
GREEN CHEMISTRY
Rennovia launches bio-based hexamethylenediamine

Rennovia, Inc., a privately held company that develops novel catalysts and processes for the cost advantaged production of chemical products from renewable feedstocks, announced at the PCI 6th American Nylon Symposium that it has successfully demonstrated production of hexamethylenediamine (HMD) from widely available, renewable feedstocks. Coupled...

Company name: Rennovia
Published On: Thursday April 25th, 2013

 
PEOPLE
Senior boss of Albrecht Bäumer GmbH & Co. KG passed away

The highly appreciated senior boss of Albrecht Bäumer GmbH & Co. KG Mr. Hans-Günther Schuster passed away on 25.03.2013 at the age of 93.Already in 1949 he joined the company of his father-in-law Albrecht Bäumer. Within a short period of time he reorganized the production of the back then small mechanical workshop from simple cutting machines for...

Company name: Albrecht Bäumer
Published On: Wednesday April 24th, 2013

 
Chromaflo Technologies’ Hires New Paint & Coatings Sales Manager - Eastern Europe

Chromaflo Technologies Corp., the largest independent global supplier of pigment and chemical dispersions to the thermoset composites and industrial paint and coatings industries, has appointed Ron van der Leeuw to manage the sales territory of Greece, Turkey, and Eastern Europe for the paint and coatings market(s). Van der Leeuw studied...

Company name: Chromaflo Technologies
Published On: Monday April 22nd, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> CATALYSTS>> METAL
Polyurethanes made with copper catalysts

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one...

Company name:
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES
Cross-linked pigment dispersion based on polyurethane dispersants

The present disclosure provides an aqueous dispersion containing a colorant and a polyurethane dispersant, wherein the polyurethane dispersant is a polymer having a cross-linkable moiety, wherein the cross-linkable moiety is cross-linked, with a cross-linking agent.

Company name: E I du Pont de Nemours & Company
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Method to produce polyurea and polyurethane by using liquid plant oil based polyol

A method of producing liquid polymeric polyols from epoxidized plant oils by ring-opening polymerization without a ring opening agent in an organic solvent in the presence of a catalyst to yield the desired polyols at room temperature. The properties of the polymeric polyols depend on the type of plant oil used as starting material. Typically,...

Company name: Malaysian Palm Oil Board
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> PREPOLYMERS
Silane-crosslinking compositions

The invention provides curable adhesives of high tensile sheer strength, which contain an a-silane-terminated polyurethane prepolymer containing low molecular weight polyether or polyester groups in the polymer backbone, and a silane-terminated polyether polymer containing polyether groups of higher molecular weight.

Company name: Wacker Chemie AG
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
One-component type polyurethane resin composition for preventing detachment of concrete pieces and...

A one-component type polyurethane resin composition for preventing detachment of concrete pieces and tiles containing an isocyanate group-containing urethane prepolymer (A) and a thixotropy-imparting agent (B), and a method for forming a reinforcing layer on a surface of a concrete structure or tiled wall containing a resin coated film composed...

Company name: Dyflex
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Cationic polyurethane resin aqueous dispersion, ink-jet receiving agent including the same, and...

A cationic polyurethane resin aqueous dispersion wherein a cationic polyurethane resin (B) including a structural unit (A) represented by the following general formula (I) is dispersed in aqueous medium, and the content of a cationic amino group of the structural unit (A) in the cationic polyurethane resin (B) is 0.005 to 1.5 equivalents/kg....

Company name: DIC Corporation
Published On: Friday April 26th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Lignite urethane based resins for enhanced foundry sand performance

Described herein, in a preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, first mixed with a foundry...

Company name: Amcol International
Published On: Friday April 26th, 2013

 
SYSTEMS>> COATINGS
Composition for coating plastic substrate, coating film formed therefrom, and formed body

The present invention relates to a composition for coating a plastic substrate, a coating film formed therefrom and a molded body. The composition can form a coating film that exhibits favorable adhesion to plastic substrates, as well as excellent abrasion resistance and weather resistance. The coating film-forming components of the composition...

Company name: Fujikura Kasei
Published On: Friday April 26th, 2013

 
Low-gloss dry-erase coating formulation

An EB (electron beam) or UV (ultra violet) curable, low-gloss, dry-erase coating formulation for static and electronic whiteboards is disclosed. The coating contains an acrylate silica blend, an aliphatic urethane acrylate or a polyester acrylate, a polyfunctional reactive diluent and at least one photoinitiator.

Company name: Exopack-Technology
Published On: Friday April 26th, 2013

 
SYSTEMS>> COATINGS>> DISPERSIONS
Aqueous dispersions of polyurethane and nanoparticles

The present disclosure is directed to aqueous dispersions comprising polyurethane and nanoparticles, and processes for preparing the aqueous dispersions. The dispersions comprise aqueous polyurethane dispersions having nanoparticles covalently incorporated into the polymer matrix. The dispersions are prepared by reacting isocyanate groups present...

Company name: Bayer MaterialScience LLC
Published On: Friday April 26th, 2013

 
SYSTEMS>> COATINGS>> WATER-BORNE COATINGS
Infrared-reflective two-part coating composition

Articles containing thermoplastic, thermoplastic composite or thermoplastic-clad materials are made less susceptible to heat distortion by coating the article with a two-part aqueous coating composition whose first part contains a waterborne active hydrogen-functional latex binder and whose second part contains a water-dispersible polyisocyanate....

Company name: Valspar Sourcing
Published On: Friday April 26th, 2013

 
SYSTEMS>> BIOMATERIALS
Aneurysm occlusion device containing bioactive and biocompatible copolymer shell and a liquid...

An endovascular device for occluding a vascular aneurysm is disclosed. The device includes a polymeric shell member that, in one embodiment, may be constructed from a bioactive and biocompatible polyurethane-diol-glycosaminoglycan copolymer, and a liquid embolic agent. The copolymer is sufficiently flexible and strong for endovascular delivery into...

Company name: Wisconsin Alumni Research Foundation
Published On: Friday April 26th, 2013

 
Methacrylate based monomers containing a urethane linkage, process for production and use thereof

The invention relates to a dental composition comprising a monomer or mixture of monomers represented by the following structure ##STR00001## (1) with .sub.1,2R independently selected from H, alkyl (e.g. CH.sub.3C.sub.2H.sub.5), and Phenyl, .sub.3,4R independently selected from H, alkyl (e.g. CH.sub.3), and halogen (Cl, Br, F), .sub.5R...

Company name: 3M Innovative Properties Company
Published On: Friday April 26th, 2013

 
FOAMS
Two-part curable polyurethane foam resin composition, molded article using the same, and shoe sole

The two-part curable polyurethane foam resin composition uses little or no petroleum-derived raw materials but a plant-derived raw material so that the biomass ratio can be improved, the load on the environment can be reduced, and excellent physical characteristics can be exhibited. The two-part curable polyurethane foam resin composition includes...

Company name: DIC Corporation
Published On: Friday April 26th, 2013

 
FOAMS>> FLEXIBLE>> VISCOELASTIC FOAMS
Method for producing viscoelastic polyurethane flexible foams

Invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein as b) a mixture of bi) from 25 to 70% by weight of a hydroxyl-comprising natural oil or fat or a reaction product of a...

Company name: BASF SE
Published On: Friday April 26th, 2013

 
CASE>> COATINGS
Device housing and method for making the same

A device housing includes a main body, and a display window mounted on the main body. A mounting gap is defined between the main body and the display window. The device housing further includes a decorative member jointing with the main body and the display window and covering the mounting gap. The decorative member is made of thermoset resin or...

Company name: Shenzhen Futaihong Precision Industrial
Published On: Friday April 26th, 2013

 
CASE>> ADHESIVES
Easy-adhesive for solar cell rear surface protection sheet, solar cell rear surface protection...

To overcome a problem in related art and to provide an easy-adhesive having an excellent adhesive property and an excellent adhesive durability for a solar cell rear surface protection sheet, a solar cell rear surface protection sheet, and a solar cell module formed by using the solar cell rear surface protection sheet. An easy-adhesive for a solar...

Company name:
Published On: Friday April 26th, 2013

 
Method for joining aluminum part and resin and composite made by same

A method for joining an aluminum part and resin, includes: providing an aluminum part made of aluminum or aluminum alloy; forming a bonding layer on a surface of the aluminum part by coating a liquid film of hydrolyzed silane coupling agent and drying the liquid film; forming an adhesive layer formed of polyurethane adhesive on the bonding layer...

Company name: Shenzhen Futaihong Precision Industrial
Published On: Friday April 26th, 2013

 
CASE>> ELASTOMERS>> FILMS
Multilayer film

The present application is directed to a multilayer film The film comprises a thermoplastic receptor layer comprising a polyurethane, a thermoplastic core layer on the receptor layer comprising an acidic group or an anhydride group, and a thermoplastic primer layer on the core layer opposite the receptor layer comprising a nitrogen containing...

Company name:
Published On: Friday April 26th, 2013

 
CASE>> ELASTOMERS>> TPU
Thermoplastic polyurethanes and use thereof

The present invention relates to thermoplastic polyurethane moulding compositions with improved surface resistance (write resistance and scratch resistance) and very good technical processibility and also to the use thereof.

Company name: Bayer Intellectual Property
Published On: Friday April 26th, 2013

 
CASE>> COMPOSITES
Durable polymeric panels and devices exhibiting antiballistic capacity made therefrom

A polymeric coating composition for use in overlaying at least a portion of a substrate element composed of a plural component polymeric system composed of a reactive blend of at least one first component and at least one second component, wherein the first component is consists essentially of a polymer and/or a blend of polymers present in an...

Company name: LifePort
Published On: Friday April 26th, 2013

 
FINISHED PRODUCTS>> MEDICAL>> CATHETER
Graft-catheter vascular access system

A vascular access device, for implantation at least partially below the skin of a patient to provide an arteriovenous fistula, includes a graft portion coupled to a catheter portion. The graft portion is sutured to an opening in an artery while the catheter portion is inserted into a vein so that its end lies within the vein downstream from the...

Company name: C. R. Bard
Published On: Friday April 26th, 2013

 
FINISHED PRODUCTS>> MEDICAL>> ORTHOPAEDICS
Polyurethanes for osteoimplants

Biological-based polyurethanes and methods of making the same. The polyurethanes are formed by reacting a biodegradable polyisocyanate (such as lysine diisocyanate) with an optionally hydroxylated biomolecule to form polyurethane. The polymers formed may be combined with ceramic and/or bone particles to form a composite, which may be used as an...

Company name: Warsaw Orthopedic
Published On: Friday April 26th, 2013

 
LEATHER
Coated leather

A coated leather, in particular split cowhide leather, has a preferably nubuck-like appearing surface structure. The coating is formed with a surface layer formed with a mechanically and moisture-stable polymer and bonded to the surface of the leather or split leather by a polymer-based bonding layer. The outer layer is notable for inner smoothness...

Company name: Lanxess AG
Published On: Friday April 26th, 2013

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Synthesis of biopolyols by mild oxypropylation of liquefied starch and its application to...

The liquefaction of starch in the presence of commercial polyol resulted in liquefaction products (LPs) with much lower hydroxyl values compared to those resulting from glycerol liquefaction. With the use of the obtained LPs (as initiators) and a catalytic amount of potassium hydroxide, oxypropylation was conducted under mild conditions (at 120°C,...

Company name: Kyoto University
Published On: Sunday April 28th, 2013

 
SYSTEMS>> BIOMATERIALS
Alternating block polyurethanes based on PCL and PEG as potential nerve regeneration materials

Polyurethanes with regular and controlled block arrangement, i.e. alternating block polyurethanes (abbreviated as PUCL-alt-PEG) based on poly(ε-caprolactone) (PCL-diol) and poly(ethylene glycol) (PEG) was prepared via selectively coupling reaction between PCL-diol and diisocyanate end-capped PEG. Chemical structure, molecular weight,...

Company name: Shantou University
Published On: Monday April 29th, 2013

 
SYSTEMS>> BIOMATERIALS>> NANOCOMPOSITE
Bio-based hyperbranched polyurethane/Fe3O4 nanocomposites: smart antibacterial biomaterials for...

The fabrication of a smart magnetically controllable bio-based polymeric nanocomposite (NC) has immense potential in the biomedical domain. In this context, magneto-thermoresponsive sunflower oil modified hyperbranched polyurethane (HBPU)/Fe3O4 NCs with different wt.% of magnetic nanoparticles (Fe3O4) were prepared by an in situ polymerization...

Company name: Tezpur University
Published On: Sunday April 28th, 2013

 
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
Degradation of polyester polyurethane by a newly isolated soil bacterium, Bacillus subtilis strain...

A polyurethane (PU) degrading bacterial strain MZA-75 was isolated from soil through enrichment technique. The bacterium was identified through 16S rRNA gene sequencing, the phylogenetic analysis indicated the strain MZA-75 belonged to genus Bacillus having maximum similarity with Bacillus subtilis strain JBE0016. The degradation of PU films by...

Company name: Quaid-i-Azam University
Published On: Monday April 29th, 2013

 
CASE>> COATINGS
Clay-Based Nanocomposite Coating for Flexible Optoelectronics Applying Commercial Polymers.

Transparency, flexibility, and especially ultralow oxygen (OTR) and water vapor (WVTR) transmission rates are the key issues to be addressed for packaging of flexible organic photovoltaics and organic light-emitting diodes. Concomitant optimization of all essential features is still a big challenge. Here we present a thin (1.5 μm), highly...

Company name: University of Bayreuth
Published On: Sunday April 28th, 2013

 
CASE>> ELASTOMERS
Modelling the surface free energy parameters of polyurethane coats-part 1. Solvent-based coats...

Polyurethane elastomers coating were synthesised by using typical diisocyanates, polyether and polyester polyols and HO-tertiary amines or diols as a chain extenders. Mole fractions of structural fragments (κ exp) responsible for the polar interactions within polyurethane chains were calculated by 1H NMR method. Obtained results were...

Company name: Rzeszow University of Technology
Published On: Monday April 29th, 2013

 
CHEMISTRY
One-pot, additive-free preparation of functionalized polyurethanes via amine–thiol–ene conjugation

Facile synthetic and modification procedures of functionalized polymers have been the subject of extensive fundamental and applied research efforts during the last decade. The concept of ‘click’ chemistry induced a transition towards ‘on-demand’ preparation of tailored polymeric systems. The toolbox of research labs is currently loaded with a...

Company name: Ghent University
Published On: Tuesday April 23rd, 2013

 
 

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