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  Issue-347 - February 11, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES
Fitz Chem to Represent Munzing Additives

Effective February 1, Fitz Chem has been named the distributor for Munzing in the states of Ohio, Indiana, Michigan and Kentucky. Beginning March 1, that territory will expand as Fitz Chem represents Munsing in Western New York, Western Pennsylvania, and West Virginia. Fitz Chem will distribute Munzing’s complete range of specialty additives,...

Company name: Fitz Chem
Published On: Tuesday February 05th, 2013

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
The Swarm: 'Toxic' flame retardants begin to flicker and dim

A California state department you've never heard of took an action today that probably will have far-reaching consequences for the chemical industry and perhaps your health.Yes, California has a Bureau of Electronic and Appliance Repair, Home Furnishings and Thermal Insulation. That bureau has significant clout over whether your couch and other...

Company name:
Published On: Thursday February 07th, 2013

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS>> AMINE BASED
Albemarle names Archway Sales, Inc. as new distributor of its ETHACURE and FIRSTCURE product lines...

Specialty chemicals maker Albemarle Corporation has named Archway Sales, Inc. as a distributor of Albemarle's ETHACURE® line of diamine chain extenders/cross linkers and FIRSTCURE® cure promoters for the Southeastern region of the United States. Archway Sales, Inc. complements Albemarle's sales and marketing efforts with a shared commitment to...

Company name: Albemarle Corporation
Published On: Saturday February 09th, 2013

 
PU RAW MATERIALS>> POLYOLS
Impag to distribute polyols for altropol

The Swiss distribution and service company Impag announced its cooperation with altropol in Germany, Austria and Switzerland on 4 February 2013.Impag will distribute Neukapol polyols, which are based on various renewable raw materials such as castor, soybean and rapeseed oil. These polyols are used for the formulation of 2-component polyurethane...

Company name: Altropol
Published On: Wednesday February 06th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
BASF Announces TDI Increase

Effective February 15, 2013, or as contracts allow, BASF Corporation is raising the price for all Lupranate® TDI products by $0.08 per pound.

Company name: BASF
Published On: Tuesday February 05th, 2013

 
SYSTEMS>> COATINGS>> SPRAYS
Green Builder Media names Icynene Classic Max™ a Hot 50 product for 2013

Annually, Green Builder Media evaluates a vast array of advanced products that meet a range of eco-criteria including sustainability, eco-friendliness and durability, and Icynene Classic Max™ recently earned praise from the publication. This spray foam insulation was recognized because it has a tremendous impact on sustainable construction projects...

Company name: Icynene
Published On: Saturday February 09th, 2013

 
SYSTEMS>> ELASTOMERS>> GELS
Dimensional stability touted in new Master Bond Super Gel

Featuring softness and resilience, Master Bond Super Gel 9 is a urethane modified epoxy gel that can be employed in a variety of applications. Some of the most common include the encapsulation of sensitive electronic parts and sealing optical components. This multifunctional system is also widely used in the aerospace, electronic, optical,...

Company name: Master Bond
Published On: Saturday February 09th, 2013

 
CASE>> COATINGS
The Carlyle Group Completes Acquisition of DuPont Performance Coatings: Axalta Coating Systems to be...

Global alternative asset manager The Carlyle Group has completed its acquisition of DuPont Performance Coatings for USD 4.9 billion and announced on 4 February 2013 that the company is being renamed Axalta Coating Systems. Axalta Coating Systems is a global supplier of coatings to the transportation and industrial sectors. The investment was...

Company name: Axalta Coating Systems
Published On: Tuesday February 05th, 2013

 
ACA’s American Coatings Show and Conference Named one of the 50 Fastest Growing Trade Shows in the...

ACA’s American Coatings Show (ACS) and Conference has been honored as one of the 50 Fastest Growing Trade Shows by [I]Trade Show Executive Magazine[/I]. The biennial show and conference was honored in two of the possible categories: Net Square Feet of Exhibit Space and Number of Exhibitors.The Fastest Growing 50 – Class of 2012 is selected from...

Company name: The American Coatings Association
Published On: Tuesday February 05th, 2013

 
European Coatings Congress 2013 starts with a new schedule

For the first time, the European Coatings Congress starts on Monday, 18 March and ends on Tuesday afternoon, 19 March.With this new schedule the attendees will have the opportunity to get more from the European Coatings Show, the most important event for the coatings industry in Europe and beyond.Once again, the European Coatings Congress 2013 will...

Company name: European Coatings Show
Published On: Wednesday February 06th, 2013

 
CASE>> COATINGS>> POLYUREA
1,000,000 Gallon Potable Water Tank Lined With AquaVers 405

Together with Tiger Construction LTD, Vector Construction recently conducted a job to remove an old tar tank liner in a one million gallon water tank for the city of Blaine, Washington. The specification called for the installation of a new NSF/61 polyurea lining system that was eventually applied by Vector Construction Inc., out of Port Townsend,...

Company name: Vector Construction
Published On: Friday February 08th, 2013

 
CASE>> COATINGS>> SPRAY FOAMS
Lapolla and Mark Group Enter Five Year Supply Contract

Lapolla Industries, Inc., a Houston based global supplier, and manufacturer of spray foam insulation and equipment designed to reduce energy consumption in the residential and commercial markets, for both new construction and retrofit applications, announces long term exclusive supply agreement with Mark Group for the United Kingdom markets.Richard...

Company name: LaPolla Industries, Inc
Published On: Tuesday February 05th, 2013

 
CASE>> COATINGS>> CONTROLLED-RELEASE COATINGS
New layered polyurethane fertilizer coating introduced

The J. R. Simplot Company, a leading global supplier of crop nutrient products, announced its new dual-reactive, layered polyurethane fertilizer coating, Gal-XeONE.This new technology in controlled-release fertilizers can assure the predictable release of nutrients in any climatic condition for timeframes of three, six, nine and 12 months. This...

Company name: The J. R. Simplot Company
Published On: Wednesday February 06th, 2013

 
CASE>> COMPOSITES
Polyurethanes: The ultimate bulletproof vest?

It may sound like something from the Matrix, but it’s true: polyurethanes can create the ultimate bullet proof material!OK, bulletproof material is not exactly a new idea. In fact, it has existed since the days of the Second World War, when it was widely used in the shell of armoured vehicles. But traditional materials used are normally too heavy...

Company name: The Polyurethane Passive house
Published On: Wednesday February 06th, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION
High-tech plastic proves fantastic for Barnsley company

A Barnsley company which makes machines that manufacture products from cricket balls and prosthetic limbs to giant kit for oilrigs has seen profits rise by 10%.CTM builds highly specialised machines to enable clients in the UK and overseas to mix polyurethane to create goods used in many areas of life. Orders for the equipment, together with...

Company name: CTM Equipment
Published On: Wednesday February 06th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
This Old House Star Renovates His Own Historic Home In New Mexico with Help of "Super Insulation"

Steve Thomas, former host of the popular PBS series, This Old House (1989-2003), and Renovation Nation (2007-2009) on the Planet Green channel, is used to renovating challenging homes across the U.S. His most recent project, though, was exceptional for two reason: it was his own newly purchased 100-year-old adobe-style home in downtown Santa Fe,...

Company name: NCFI Polyurethanes
Published On: Wednesday February 06th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Recticel Dedicates New Thermal Insulation Panel Production Plant in France

Recticel is pleased to announce that it has officially inaugurated its new state-of-the-art production plant in Bourges in the center of France, which will produce thermal insulation panels for the building sector. With this EUR 23 million investment Recticel will serve the growing demand for high performance thermal insulation materials in...

Company name: Recticel
Published On: Saturday February 09th, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SEATS
Johnson Controls Inaugurates New Seating Plant and a Joint Venture With Magneti Marelli in...

Johnson Controls, a global leader in automotive seating, interiors and electronics, manufactures complete seats for the new Fiat 500L in a new just-in-time (JIT) plant in Kragujevac, Serbia. The company also supplies complete interiors, including door panels, instrument panels, floor consoles and rear quarter panels through a joint venture with...

Company name: Johnson Controls
Published On: Thursday February 07th, 2013

 
PEOPLE
American WeatherStar Promotes Scott Gayle To National Sales Manager

American WeatherStar (AWS) has announced the promotion of Scott Gayle to the position of National Sales Manager for all its roof coatings, spray foam, and single-ply roofing materials divisions.In addition to serving as AWS's Sales and Marketing Manager for the past two years, Gayle brings his years of experience in the construction supply industry...

Company name: American Weatherstar
Published On: Thursday February 07th, 2013

 
Dur-A-Flex Appoints Sales and Technical Support Representative in Mexico

Dur-A-Flex, Inc., a leading manufacturer of commercial, industrial and institutional seamless, resinous flooring, has named Héctor Melo Goytortúa as its Independent Sales and Technical Support Representative for Mexico.Melo’s focus will be on expanding Dur-A-Flex’s Mexican flooring contractor base, networking with facility owners to generate...

Company name: Dur-A-Flex
Published On: Thursday February 07th, 2013

 
Bremm named new head of BASF Construction Chemicals Americas

BASF named Dirk Bremm as Senior Vice President of Construction Chemicals Americas. Bremm will be located in the Construction Chemicals North American headquarters in Beachwood, Ohio. He succeeds John Salvatore, who retired from the company at the end of 2012. Bremm will be responsible for leading BASF’s Construction Chemicals business in North and...

Company name: BASF Construction Chemicals
Published On: Monday February 04th, 2013

 
INDUSTRY UPDATE
Bailey-Parks Urethane Brings Grain Industry Solutions to GEAPS Exchange

Bailey-Parks Urethane will present its signature Diamondback products at booth number B314 at the Grain Elevator and Processing Society (GEAPS) Exchange tradeshow, which takes place at the Kentucky International Convention Center February 23–26, 2013 in Louisville, KY.An annual tradeshow with over 500 exhibitors organized by GEAPS, Exchange is a...

Company name: Bailey-Parks Urethane
Published On: Wednesday February 06th, 2013

 
As Russia Celebrates One Year to Sochi 2014, Dow Solutions Take Center Stage at the Iconic Bolshoy...

Today, when Russia celebrates the one-year-to-go mark for the Sochi 2014 Olympic Winter Games, Dow’s (NYSE:DOW) contributions will be on the center stage. Indeed, high-performing solutions from Dow can be found throughout the Sochi Olympic Park, most notably at the Bolshoy Ice Dome - one of Sochi’s most iconic venues, an arena that reflects...

Company name: The Dow Chemical Company
Published On: Thursday February 07th, 2013

 
Chromaflo Technologies Launches New Website

Chromaflo Technologies Corp. has launched a new website, www.chromaflo.com, which highlights the company’s range of products and services for the global platform. The site integrates all three major brands for the company: Colortrend® for architectural coatings, Chroma-Chem® for industrial coatings, and Plasticolors® for thermoset plastics.Features...

Company name: Chromaflo Technologies
Published On: Tuesday February 05th, 2013

 
Perstorp to strengthen distribution of several non-coating applications in the Italian market

Following the overall review of Perstorp’s use of sales channels, as well as the segment focus, we are pleased to announce that Perstorp is signing a new distribution agreement with Reschem Italia SpA in 2013 for selling Perstorp’s products to the adhesives, sealants, elastomers, plastic polymer additives and synthetic lubricants markets among...

Company name: Perstorp
Published On: Tuesday February 05th, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> FOAM COMPATIBILIZERS / STABILIZERS
Polysiloxane polyether copolymers having (polyether)moieties comprising carbonate groups and their...

The present invention relates to polysiloxane polyether copolymers which comprise at least one (polyether) moiety which comprises at least one unit --O--C(O)--O--, to a process for the production of the polysiloxane polyether copolymers, and also to the use of the polysiloxane polyether copolymers as stabilizers in the production of polyurethane...

Company name: Evonik Goldschmidt
Published On: Friday February 08th, 2013

 
Use of polysiloxanes comprising branched polyether moieties for the production of polyurethane foams...

The present invention relates to the use of polyethersiloxane compounds branched within the polyether moiety and preferably containing carbonate groups, as foam stabilizers in the production of polyurethane foams.

Company name: Evonik Goldschmidt
Published On: Friday February 08th, 2013

 
PU RAW MATERIALS>> CATALYSTS>> METAL
Production and use of metal salts of alkyl oxide and/or aryl alkyl oxide oligomers and polymers with...

The invention relates to a catalyst system that is suitable for catalyzing the production of polyurethane foams. The catalyst system is characterized in that said system contains a metal salt of an alcohol that is modified with an acid end group.

Company name: Evonik Goldschmidt
Published On: Friday February 08th, 2013

 
PU RAW MATERIALS>> POLYOLS
Autocatalytic polyols

The present invention provides polymeric polyol compositions employing polyol compounds having multiple tertiary amine groups. Methods of making these compositions are also disclosed. Polyol formulations containing these polymeric polyol compositions and methods of making polyurethane gel and foam employing such polymeric polyol compositions are...

Company name: Air Products and Chemicals, Inc
Published On: Friday February 08th, 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: Friday February 08th, 2013

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Hybrid polyester-polyether polyols

A process for preparing a hybrid polyester-polyether polyol comprises contacting a carboxyl group-containing component and an epoxide, optionally in the presence of one or more of a double metal cyanide catalyst, a superacid catalyst, a metal salt of a superacid catalyst and/or a tertiary amine catalyst, under conditions such that a hybrid...

Company name:
Published On: Friday February 08th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Polyisocyanate mixtures

The invention relates to liquid polyisocyanate mixtures, to a process for their preparation and to their use in single- and two-component polyurethane coating compositions.

Company name: Bayer MaterialScience AG
Published On: Friday February 08th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
Resin member for valve

To provide a light-weight resin member, for a valve, which has high strength and can be used in a high-temperature atmosphere, and is also excellent in chemical resistance and corrosion resistance. A resin member for a valve, which is produced by molding a molding material having a tensile strength of 80 to 400 MPa at normal temperature, and a...

Company name: Asahi Organic Chemicals Industry
Published On: Friday February 08th, 2013

 
Polyurethane resin

An object of the present invention is to provide a non-solvent type polyurethane resin which may be preferably used for a curing composition having physical properties after curing of low modulus and high elongation and which is excellent in adhesion, physical properties, handling property and storage stability and a process for producing the...

Company name:
Published On: Friday February 08th, 2013

 
SYSTEMS>> COATINGS
Resin for use in a coating composition

A coating system comprises a substrate and a cured film disposed on the substrate and formed from a coating composition. The coating composition comprises a solvent component and a resin. The resin comprises a reaction product of a polyolefin and an oligomer or polymer. The polyolefin, different from the oligomer or polymer, has a functional group...

Company name:
Published On: Friday February 08th, 2013

 
SYSTEMS>> COATINGS>> PHOTOSENSITIVE COATINGS
Radiation curable compositions

Radiation curable compositions comprising at least one radiation curable oligomer responding to a structure (C)--(B)-(A)-[(B)(C)].sub.x wherein (A) is the residue of one or more hydroxyl functional polyester having a molecular weight M.sub.N higher than 900, a T.sub.G and/or Tm of 5 less than 30.degree. C., and which is obtained from an acid...

Company name: Cytec Surface Specialties
Published On: Friday February 08th, 2013

 
SYSTEMS>> RIGID FOAMS>> CAVITY FILLING
Foam insulation unit

Insulating units are disclosed which are prepared by a cavity-filling, fast-gelling rigid polyurethane foam based on a formulation comprising a polyol component which contains at least 5 weight percent of an amine-initiated polyols and 1.4 to 4 parts by weight of a catalyst package whereby the catalyst package contains at least one amine catalyst...

Company name:
Published On: Friday February 08th, 2013

 
SYSTEMS>> BIOMATERIALS
Bioabsorbable polymers from bioabsorbable polyisocyanates and uses thereof

Novel bioabsorbable and/or biocompatible polyurethanes, polyureas, polyamideurethanes and polyureaurethanes with tunable physical, mechanical properties and hydrolytic degradation profiles are provided for use in biomedical applications such as stents, stent coatings, scaffolds, foams, and films. The disclosed polymers may be derived from...

Company name: Bezwada Biomedical
Published On: Friday February 08th, 2013

 
In situ bulking composition

The present invention relates to a hydrated, biocompatible tissue-augmentation compound and methodology for its implantation into mammalian tissue. The tissue-augmentation compound is comprised of: living tissue, optionally body derived fluids, and at least one NCO-terminated hydrophilic urethane prepolymer derived from an organic polyisocyanate,...

Company name: Promethean Surgical Devices
Published On: Friday February 08th, 2013

 
FOAMS>> FLEXIBLE>> VISCOELASTIC FOAMS
Cellular structures and viscoelastic polyurethane foams

The present invention discloses a structure comprising a plurality of three dimensional cells, wherein each cell comprises exterior walls defining an interior void wherein the walls comprise a plurality of struts and windows, the struts forming borders for the plurality of windows, wherein the struts have a plurality of pores. The present invention...

Company name: Dow Global Technologies
Published On: Friday February 08th, 2013

 
FOAMS>> RIGID
Composition for rigid polyurethane foam and rigid polyurethane foam produced using the same

A composition for a rigid polyurethane foam with reduced cell sizes contains a polyol, water, a catalyst, a blowing agent; and an ionic liquid. The rigid polyurethane foam is produced by adding an ionic liquid as an eco-friendly additive to a polyol composition so as to improve insulation efficiency thereof.

Company name: Samsung Electronics
Published On: Friday February 08th, 2013

 
CASE>> COATINGS
Insulating coating composition and an insulated wire, and a coil formed using the same

An insulating coating composition that improves lubricity without reduction of the varnish adhesion strength and an insulated wire using the insulating coating composition, and a coil using the insulated wire are provided. An insulating coating composition comprises a polyamide-imide resin, which is obtained through a synthetic reaction of...

Company name: Hitachi Magnet Wire
Published On: Friday February 08th, 2013

 
Polymer having polycyclic groups and coating compositions thereof

A polymer and coating composition containing the polymer are provided that are useful in coating applications such as, for example, food or beverage packaging containers. The polymer preferably includes a backbone having one or more polycyclic groups. In one embodiment, the polymer is a polyester and, more preferably, a polyester-urethane polymer....

Company name: Valspar Sourcing
Published On: Friday February 08th, 2013

 
CASE>> ELASTOMERS
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 comprise one or more polyol compounds, flexibilisers, chain extenders and/or crosslinkers and amine-initiators. Apart from at least one...

Company name: Recticel Automobilsysteme
Published On: Friday February 08th, 2013

 
CASE>> ELASTOMERS>> FILMS
Optically clear biaxially oriented polyester film with anti-iridescent primer layer

A highly optically clear, composite film has a predominantly thermoplastic polyester base layer of A/B/C-layered structure and a polyester and polyurethane blend primer layer Preferably core layer B of the base layer is substantially particle-free polyester and outer layers A and C include organic and/or inorganic particles. The primer layer is...

Company name: Toray Plastics
Published On: Friday February 08th, 2013

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> POLISHING PAD
Polishing pad, manufacturing method therefor, and method for manufacturing a semiconductor device

A polishing pad having a polishing layer comprising a thermoset polyurethane foam, wherein the thermoset polyurethane foam contains, as raw material components, an isocyanate component, and active-hydrogen-containing compounds, and the active-hydrogen-containing compounds comprise one or more polyol compounds (each) having two or more functional...

Company name: Toyo Tire & Rubber Co., Ltd
Published On: Friday February 08th, 2013

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

The invention provides a golf ball having a core and one or more cover layer encasing the core, wherein at least one cover layer is formed by injection-molding a single resin composition of primarily (A) a thermoplastic polyurethane and (B) a polyisocyanate compound, and at least some polyisocyanate compound in which all the isocyanate groups on...

Company name: Bridgestone Sports
Published On: Friday February 08th, 2013

 
Composition and manufacturing methods for grips

A composition for use in grips is disclosed. The composition may be used, for example, in making a golf club grip. The disclosed grip provides for improved shock absorption and other beneficial properties. In one embodiment the comprises a cross-linked composition of from about 40% by weight to about 80% by weight of one or a combination of a first...

Company name: Lamkin
Published On: Friday February 08th, 2013

 
Portable golf shaft display assembly

A display assembly, that is easily transported to a presentation site and can quickly and easily be converted from carrying mode to a free standing exhibit display of a plurality of golf club shafts. The display assembly comprises a canvas backdrop serving also as a carrying case. The backdrop having defined on an inner side a plurality of...

Company name:
Published On: Friday February 08th, 2013

 
FINISHED PRODUCTS>> MEDICAL>> CATHETER
Antimicrobial material and method for making the same

This invention provides a modified catheter/indwelling device biomaterial that provides both immediate, and long-term microbiocidal effects on otherwise antibiotic-resistant strains of microorganisms. The material, which exhibits good mechanical performance characteristics for medical devices, is composed of a hydrophobic polyurethane (PU), a...

Company name:
Published On: Friday February 08th, 2013

 
FINISHED PRODUCTS>> MARINE
Hydrodynamic surfing bib wet suit having retractable removable folding revolving motorizedly...

The present invention relates to: (A) Water use embodiments for surfing. (A) The matter is about a body garment called curved hydrodynamic water bib wet suit; such wet suit the chest casing of which, in addition to that, has flippers and keels: (1) removable; (2) revolving; (3) folding; (4) retractable. The bib wet suit (A) consists of two...

Company name:
Published On: Friday February 08th, 2013

 
CHEMISTRY
Alkyl carbonate endcapped polyether siloxanes and preparation thereof

The present invention provides polysiloxane-polyether copolymers comprising at least one polyether moiety, characterized in that there is at least one polyether moiety capped with at least one --O--C(O)--O--R'' unit where R'' is identical or different alkyl moieties, a process for preparation thereof and use thereof, especially for polyurethane...

Company name: Evonik Goldschmidt
Published On: Friday February 08th, 2013

 
SHAPE MEMORY MATERIALS
Variable Tg shape memory polyurethane for wellbore devices

Wellbore devices for use in filtration, wellbore isolation, production control, lifecycle management and wellbore construction may include at least a first and a second shape-memory material each having a an altered geometric position and each an original geometric position. Each shape-memory material may include a polyurethane material held in the...

Company name: Baker Hughes
Published On: Friday February 08th, 2013

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> ADHESIVES>> BINDERS
Detailed study of distribution patterns of polycyclic aromatic hydrocarbons and isocyanates under...

This study has examined the distribution patterns between gas phase and particle phase of some chemical compounds produced in fires. It has also addressed the question of the distribution of individual particle-associated species between the different size-ranges of particles. The chemical compounds studied and discussed in this paper are...

Company name: SP Technical Research Institute of Sweden
Published On: Monday February 11th, 2013

 
SYSTEMS>> COATINGS
Synthesis and evaluation of antibacterial polyurethane coatings made from soybean oil functionalized...

Preparation of antibacterial polyurethane coatings from novel functional soybean oil was considered in this work. First, epoxidized soybean oil (ESBO) as a low price and widely available renewable resource raw material was subjected to the reaction with aniline using an ionic liquid as a green catalyst. The intermediate phenylamine containing...

Company name: Iran Polymer and Petrochemical Institute
Published On: Monday February 11th, 2013

 
Effect of oleic acid content and chemical crosslinking on the properties of palm oil‐based...

Polyurethanes (PU) were prepared by reacting palm oil‐based polyols and aromatic diisocyanate (toluene 2, 4 diisocyanates). The content of oleic acid was varied in the polyester polyols and the hydroxyl value was fixed to be 140 mg KOH g−1. The NCO/OH ratios were varied to 1.2, 1.4, and 1.6. Crosslinking density of the PU was measured...

Company name: University of Malaya
Published On: Monday February 11th, 2013

 
SYSTEMS>> BIOMATERIALS
Antiviral and Antibacterial Polyurethanes of Various Modalities

We have prepared and characterized a new polyurethane-based antimicrobial material, N,N-dodecyl,methyl-polyurethane (Quat-12-PU). It exhibits strong antiviral and antibacterial activities when coated (as an organic solution or an aqueous nanosuspension) onto surfaces and antibacterial activity when electrospun into nanofibers. Quat-12-PU surfaces...

Company name: University of Colorado Denver Anschutz Medical Campus
Published On: Monday February 11th, 2013

 
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
Bio-based Biodegradable and Biocompatible Hyperbranched Polyurethane: A Scaffold for Tissue...

Hyperbranched polyurethanes are synthesized using TDI, PCL diol, butanediol, and pentaerythritol (1–5 wt%) as the B4 reactant with and without the monoglyceride of sunflower oil. The biodegradation, physico-mechanical, and thermal properties are found to be tailored by varying the percentage weight of the branching unit. An MTT/hemolytic...

Company name: Tezpur University
Published On: Friday February 08th, 2013

 
CASE>> COMPOSITES>> NANOMATERIALS
Elastic CNT-polyurethane nanocomposite: synthesis, performance and assessment of fragments released...

Intended for use in high performance applications where electrical conductivity is required, we developed a CNT–TPU composite. Such a composite can be prepared by melt processing (extrusion) on an industrial scale. Due to the known hazard upon inhalation of CNTs, we assessed three degradation scenarios that may lead to the release of CNTs from the...

Company name: BASF SE
Published On: Monday February 11th, 2013

 
CHEMISTRY
The formation of high-purity isocyanurate through proazaphosphatrane-catalysed isocyanate...

Polyurethane foams are widely used materials and control of their physical properties is a significant challenge. Management of cyclo-trimerisation during the polymerisation process is vital when tailoring the mechanical properties of the foam. Proazaphosphatranes are known to efficiently catalyse the cyclo-trimerisation of organic isocyanates,...

Company name: Unilever
Published On: Monday February 11th, 2013

 
SHAPE MEMORY MATERIALS
The effect of free radical inhibitor on the sensitized radiation crosslinking and thermal processing...

The effects of free radical inhibitor on the electron beam crosslinking and thermal processing stabilization of novel radiation crosslinkable polyurethane shape memory polymers (SMPs) blended with acrylic radiation sensitizers have been determined. The SMPs in this study possess novel processing capabilities—that is, the ability to be melt...

Company name: Texas A&M University
Published On: Monday February 11th, 2013

 
 

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