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  Issue-453 - March 02, 2015   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> RELEASE AGENTS
Chem-Trend at UTECH Europe 2015

UTECH Europe 2015 is the leading international event for the polyurethanes industry. Chem-Trend continues participation in the event, highlighting our more than 50 years of experience developing release agents and ancillary products such as mould cleaners and mould sealers for polyurethane moulding operations. Visit us in booth no. 1115 to learn...

Company name: Chem-Trend
Published On: Monday March 02nd, 2015

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Global polyols market firm Emery Oleochemicals announces mechanical completion of world's first...

The global polyols market has finally seen the construction of what Emery Oleochemicals say is the first renewable and recyclable polyols plant in the world. Emery first announced the creation of its bio-polyol plant in Ohio, America in 2012, with the plant expected to reach full operational capacity by Q2 2015. The US$50mn plant will produce many...

Company name: Emery Oleochemicals
Published On: Wednesday February 25th, 2015

 
Green Polyol & Bio Polyol Market - Global Industry Analysis and Forecast 2014 - 2020

Persistence Market Research is released upcoming report on title "Green Polyol & Bio Polyol Market: Global Industry Analysis and Forecast 2014 - 2020".Green polyol & bio polyol are important raw materials used in the production of polyurethane, thermoplastic elastomers, coatings, adhesives, sealants, and artificial leather. Some of the factors...

Company name: Persistence Market Research
Published On: Monday March 02nd, 2015

 
PU RAW MATERIALS>> ISOCYANATES>> MDI
Global Hydrogenated MDI Industry Report 2015-2020

Research and Markets has announced the addition of the "Global Hydrogenated MDI Industry Report 2014" report to their offering.The Global Hydrogenated MDI Industry Report 2014 is a professional and in-depth study on the current state of the hydrogenated MDI industry. The report provides a basic overview of the industry including definitions,...

Company name: Research and Markets
Published On: Wednesday February 25th, 2015

 
CASE>> COATINGS
Allnex Participates at JEC Europe 2015

Allnex, a leading supplier in coating resins and additives, will be participating in the ‘JEC Europe 2015' composites show, taking place March 10-12 in Paris. Allnex will specifically highlight its new VIAPAL scratch resistant gel coats for sanitary ware and VIAPAL Gel Coats and Barrier Coats for pools and boats. These high-performance products...

Company name: Allnex
Published On: Wednesday February 25th, 2015

 
CASE>> COATINGS>> FLOORING
New Urethanes Tout Fast Cure

Sherwin-Williams has added two new ultra-high-solids urethane floor coatings, offering short dry times, to its protective and marine coatings' portfolio.General Polymers 4686 and 4687 are aliphatic polyurethane coatings formulated for manufacturing plants, institutional settings, laboratories, restrooms, locker rooms and similar applications.The...

Company name: Sherwin-Williams Protective & Marine Coatings
Published On: Tuesday February 24th, 2015

 
CASE>> COATINGS>> SPRAY FOAMS
New GacoProFill Open Cell Spray Foam System: Increased Yield - Eliminates Waste - Reduces Labor

Gaco Western showcased their innovative, time-saving GacoProFill SYSTEM at the recent NAHB International Builders Show in Las Vegas and at the Spray Polyurethane Foam Association (SPFA) Convention and Trade Show in Albuquerque, New Mexico. Contractors are giving the GacoProFill SYSTEM high marks for eliminating waste, reducing labor and increasing...

Company name: Gaco Western
Published On: Tuesday February 24th, 2015

 
DC315: More Than Just the Spray Polyurethane Foam Industry's Leading Ignition and Thermal Barrier

Who would have thought five years ago that we would be applying spray polyurethane foam in so many diverse ways? Clearly the use of coatings that meet the applicable requirements of 2006 IBC Section 803.2.1; 2009 IBC Section 803.2.1 and Section 2603.9; 2012 IBC Section 803.2.1 and Section 2603.10 Special Approval for Thermal Barrier Alternatives...

Company name: International Fireproof Technology
Published On: Wednesday February 25th, 2015

 
Lapolla Industries Secures Distribution Deals in Key South American and European Markets

Lapolla Industries, Inc., a Houston-based global supplier and manufacturer of spray polyurethane foam insulation, reflective roof coatings, and equipment designed to reduce energy consumption in the residential, industrial and commercial markets, today announced new distribution deals in key European and South American markets.The Company has...

Company name: LaPolla Industries
Published On: Thursday February 26th, 2015

 
CASE>> COATINGS>> CONFORMAL COATINGS
Deciding factors for conformal coating selection

Conformal coatings are protective lacquers used within the electronics industry to protect printed circuit boards (PCB) and eliminate failures caused by exposure to a variety of environmental conditions.Such conditions can include airborne ionic material, atmospheric moisture and the electrostatic attraction of dust.In more challenging...

Company name: Vepac Electronics
Published On: Tuesday February 24th, 2015

 
CASE>> COATINGS>> POLYASPARTIC COATINGS
NEOGARD Introduces High Solids CRU and Polyaspartic Topcoats

NEOGARD has launched both Polyaspartic and High Solids Chemical Resistant Urethane (CRU) coatings to enhance and fortify the performance and aesthetic characteristics of NEOGARD flooring and traffic coating systems. While both high-gloss coatings meet the South Coast AQMD's VOC requirements for industrial maintenance coatings and neither supports...

Company name: Neogard
Published On: Wednesday February 25th, 2015

 
CASE>> COATINGS>> CLEAR COAT
AkzoNobel Introduces Next Generation Sikkens Urethane Clearcoat

AkzoNobel has announced the introduction of its next generation Sikkens Autoclear EnergySelect LV urethane clearcoat.Available for automotive body shops and collision centres across North America, the new Autoclear EnergySelect LV urethane clearcoat is designed to enable shops in achieving sustainable efficiency, performance and profitability via a...

Company name: AkzoNobel - Sikkens
Published On: Monday March 02nd, 2015

 
CASE>> ADHESIVES>> STRUCTURAL ADHESIVE
Dow Automotive Systems Structural Adhesive Wins Industry Recognition

BETAMATE™ 1630 structural adhesive from Dow Automotive Systems has been selected as the winner of a 2015 Golden Mousetrap award in the category of Materials Assembly: Fastening, Joining and Assembly Components. The program recognizes design, engineering, and manufacturing in North America and was hosted by UBM Canon and Design News.Used to bond the...

Company name: Dow Automotive
Published On: Wednesday February 25th, 2015

 
CASE>> ELASTOMERS>> CAST ELASTOMERS
Cast Urethane is Unique Yet Versatile

Cast Urethane`s unique physical properties allow it to be molded into thousands of custom parts and is used in almost every industry from industrial applications to consumer goods. From an operational and cost perspective, cast urethane products are superior over metal, plastic and rubber. Their properties can be enhanced through formulating to...

Company name: Helton
Published On: Thursday February 26th, 2015

 
CASE>> ELASTOMERS>> TPU
Wanhua Exhibits Innovative TPU products and Solutions at PlastIndia2015

PlastIndia 2015 was held from 5th to 10th of February, 2015, in the Exhibition Center, Nr. Mahatma Mandir, Ahmedabad, Gujarat, India. Wanhua Chemical Group Co., Ltd attended this fair and obtained many feedbacks from customers, the Wanthane brand is once again highly recogized by the market.During the exhibition, Wanhua presented diverse innovative...

Company name: Yantai Wanhua
Published On: Wednesday February 25th, 2015

 
CASE>> COMPOSITES
Johns Manville Invests to Support Growth in Engineering Thermoplastics

Johns Manville, a market-leading manufacturer of glass fiber products and Berkshire Hathaway company, today announced it will expand its glass fiber operations plant in Etowah, Tenn., to service the increasing needs of the engineered thermoplastics industry.The North American composite market needs a strong and reliable supply of glass fibers to...

Company name: Johns Manville
Published On: Monday March 02nd, 2015

 
CASE>> COMPOSITES>> RIM
Osborne Industries, Inc. to Exhibit at Design-2-Part Show

Osborne Industries, Inc., a manufacturer of custom-molded plastics via Reaction Injection Molding (RIM) and Resin Transfer Molding (RTM), has announced it will be exhibiting at the Design-2-Part manufacturing show. The show is being held at the Gaylord Texan Convention Center in Grapevine, Texas, February 25-26, 2015. Osborne Industries can be...

Company name: Osborne Industries
Published On: Thursday February 26th, 2015

 
PROCESSING EQUIPMENTS - PRODUCTION>> ELASTOMER>> CAST
The machine OSV M10 2K in operation − New video available

OSV Technologiya presents its new video, that demonstrates in operation the mixing and metering machine OSV M10 2K for casting polyurethane products based on TDI.All works on design of the line, its production and adjustment were carried out at OSV Technologiya factory.

Company name: OSV Technologiya
Published On: Wednesday February 25th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
USI Acquires Cardalls Insulation

USI, a leading national construction services provider of installed insulation and related services to builders, contractors and homeowners, today announced the acquisition of Cardalls Insulation, a Logan, Utah-based full-line insulation services contractor. The transaction brings together two of Utah's leading service providers.Founded in 2001 by...

Company name: USI
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> COATED FABRICS
Stahl presents innovative and sustainable fashion collection at Lineapelle

Designing innovative yet sustainable items is a priority for fashion brands. To support these brands, Stahl offers a complete STAHL EVO range: the next generation polyurethane coatings for shoes, bags, garments and other fashion items. Stahl's Spring / Summer 2016 collection - which will be exhibited at Lineapelle - shows that the latest trends can...

Company name: Stahl International
Published On: Wednesday February 25th, 2015

 
FINISHED PRODUCTS>> INDUSTRIAL>> ACOUSTIC INSULATION
Elastic road surface reduces motorway noise pollution

Noise pollution is still an issue on Europe's roads. But thanks to technological advances, it's less down to the sound of the car's engine and more about how tyres touch the road surface.One solution is being tested in Denmark where part of the road has been covered with experimental surface material that dampens the tyre noise.Researcher Luc...

Company name: The PERSUADE project
Published On: Tuesday February 24th, 2015

 
INDUSTRY UPDATE
Inspiring Innovation at National Plastics Expo 2015

Already known for its first-class customer hospitality center and sponsorship of the ANTEC educational seminars at NPE, The Dow Chemical Company (NYSE: DOW) is once again raising the bar at this year's show by constructing an interactive Gallery Walk near the South Hall entrance of the Orlando Convention Center.Under the banner of "Inspiring...

Company name: The Dow Chemical Company
Published On: Monday March 02nd, 2015

 
Kingspan Completes Tarec Deal

Kingspan is pleased to announce that it is now the sole owner of premium performance pipework insulation manufacturer Kingspan Tarec having completed the purchase of Recticel's 50% stake in the business.Kingspan Tarec comprises Kingspan Tarec Industrial Insulation NV (Turnhout, Belgium) and Kingspan Tarec Industrial Insulation Ltd (Glossop, United...

Company name: Kingspan Tarec Industrial Insulation
Published On: Monday March 02nd, 2015

 
Coveris Advanced Coatings exhibits at ICE USA 2015

Coveris Advanced Coatings recently exhibited at ICE USA 2015 at the International Converting Centre in Orlando, Florida. ICE USA is North America's largest technological and innovated show in the market of converting and processing of flexible web based materials. Thousands of converting professionals gather from all over the world to attend the...

Company name: Coveris Advanced Coatings
Published On: Friday February 27th, 2015

 
BASF SE : increases earnings in the 4th quarter and full year 2014

We achieved our goal for 2014: We increased earnings - despite the disappointing economic development in Europe. We grew profitably. We further strengthened our chemicals business and in turn improved our margins. We have our costs firmly under control. This is an outstanding achievement of the entire BASF team, said Dr. Kurt Bock, Chairman of the...

Company name: BASF SE
Published On: Friday February 27th, 2015

 
Bayer: strong business momentum continues and portfolio transformation underway

Bayer had a very successful year in 2014, both operationally and strategically. The company set new records for sales and for EBITDA before special items. "Contributing to this in particular was the continuing growth momentum in our Life Science businesses, and especially the pleasing development of our recently launched products," Management Board...

Company name: Bayer MaterialScience
Published On: Wednesday February 25th, 2015

 
PEOPLE
Change in Adhesives & Sealants personnel at BYK Additives & Instruments

As of January 1, 2015 there has been a personnel change in the Adhesives & Sealants department. Tobias Austermann, formerly a member of the sales team at BYK specializing in adhesives and sealants, has been appointed successor to Jan Lenz, the previous head of department.Tobias Austermann studied construction chemistry at HAWK, the University of...

Company name: BYK-Chemie
Published On: Friday February 27th, 2015

 
Dr. Richard Pott to be Chairman of the Supervisory Board of Bayer MaterialScience

At its meeting today, the Supervisory Board of Bayer AG agreed to the proposal made by the Board of Management of Bayer AG to appoint Dr. Richard Pott (61) to the Supervisory Board of Bayer MaterialScience AG effective March 26, 2015. It is intended that Dr. Pott should be elected as the new Chairman of the Supervisory Board of Bayer...

Company name: Bayer MaterialScience
Published On: Wednesday February 25th, 2015

 
HEALTH & SAFETY
EPA extends comment deadline for toluene diisocyanate

The Environmental Protection Agency has extended to April 30 the deadline for public comment on its proposed rule on using the chemical compound toluene diisocyanate.The agency is considering limiting or prohibiting products that contain TDIs. On Jan. 8, it proposed a Significant New Use Rule under the Toxic Substances Control Act for seven TDIs...

Company name: US Environmental Protection Agency
Published On: Wednesday February 25th, 2015

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> ANTI-STATIC & CONDUCTIVE
Antistatic polyurethane

The invention relates to an antistatic polyurethane which comprises an antistatic additive comprising an ionic liquid and a process for producing such an antistatic polymer. The invention further relates to an antistatic shoe sole comprising an antistatic polyurethane according to the invention and the use of an ionic liquid as antistatic additive...

Company name: BASF SE
Published On: Friday February 27th, 2015

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS
Chain extenders

The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering. The chain extenders comprise a compound of formula(I) ##STR00001##

Company name: PolyNovo Biomaterials Limited
Published On: Friday February 27th, 2015

 
PU RAW MATERIALS>> PREPOLYMERS
Reactive isocyanate-terminated prepolymers for binder applications

Elastomer composites are prepared by wetting particles of a natural or synthetic rubber with a liquid one-component moisture-curable resin composition and then exposing the wetted particles to moisture to cure the resin composition. The moisture-curable resin composition comprises (a) an isocyanate-terminated polyurethane prepolymer having an...

Company name: Dow Global Technologies Inc
Published On: Friday February 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION
Curable compositions containing color indicators for indicating the curing progress

The invention relates to curable compositions which are prepared from polyol components containing one or more polyols and isocyanate components containing one or more isocyanates, which compositions contain at least one indicator having at least one quinonoid group, which indicator signifies the degree of curing by a change of color. The invention...

Company name: Mankiewicz Gebr.
Published On: Friday February 27th, 2015

 
Method for removing radioactive cesium, hydrophilic resin composition for removing radioactive...

The present invention intends to provide a method for removing radioactive cesium, or radioactive iodine and radioactive cesium that is simple and low-cost, further does not require an energy source such as electricity, moreover can take in and stably immobilize the removed radioactive substances within a solid, and can reduce the volume of...

Company name: Ukima Chemicals
Published On: Friday February 27th, 2015

 
Photosensitive resin composition, dry film thereof, and printed wiring board using them

An alkali-developable photosensitive resin composition comprises a carboxyl group-containing urethane resin having a biphenyl novolak structure, a photopolymerization initiator, and aluminum hydroxide and/or a phosphorus-containing compound. The composition may be formulated as a photocurable and thermosetting resin composition by further...

Company name: Taiyo Holdings
Published On: Friday February 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Ink jet ink, ink jet recording method, and ink cartridge

An ink jet ink containing a pigment and a polyurethane polymer, wherein the polyurethane polymer has units derived from a polyol having no acid group and having the carbon number of 13 or more and 250 or less, a diol having an acid group and having the carbon number of 1 or more and 7 or less, a polyol having a siloxane structure, and a...

Company name: Canon
Published On: Friday February 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> COATING COMPOSITION
Shaped and coated metallic material, composite body produced by bonding shaped and coated metallic...

The present invention relates to a shaped and coated metallic material which has excellent adhesion to a molded article of a thermoplastic resin composition and can be produced in a simple manner. The shaped and coated metallic material comprises a shaped metallic material and a coating film formed on the surface of the shaped metallic material....

Company name: Nisshin Steel
Published On: Friday February 27th, 2015

 
SYSTEMS>> SEALANTS
Sulfur-containing polyureas and methods of use

Sulfur-containing polyurea compositions comprising a polyisocyanate and a polyamine are disclosed. The polyisocyanate comprises the reaction product of reactants comprising a diisocyanate having isocyanate groups with different reactivities toward thiol groups, and a thiol-terminated sulfur-containing polymer such as a thiol-terminated...

Company name: PRC-DeSoto International
Published On: Friday February 27th, 2015

 
Isocyanate terminated macromer and formulation thereof for use as an internal adhesive or sealant

A novel macromer or mixture thereof is described herein, comprising isocyanatophenyl ether terminal moieties and at least two residues of a water-soluble polymer having a molecular weight ranging from 80 to 10,000 adjacent to the ether group of the isocyanatophenyl ether terminal isocyanate moieties, thereby forming at least two ether linkages in...

Company name: Ethicon
Published On: Friday February 27th, 2015

 
FOAMS
Method for producing polyurethane foam

A method for producing polyurethane foams by reacting at least one organic isocyanate moiety, at least one polyol, a blowing agent consisting of halogen-containing (fluorine-containing) olefins and at least a siloxane of formula (I) ##STR00001## R, R.sup.1, R.sup.2, R.sup.4, a, b, c, and d are defined herein, as well as compositions made by said...

Company name: Evonik Degussa GmbH
Published On: Friday February 27th, 2015

 
CASE>> COATINGS
Coating agent, and coating layer and film using same

To provide a coating agent capable of forming a coating layer or film excellent in moisture permeability, flexibility and tensile strength. A coating agent comprising an isocyanate group-containing prepolymer obtainable by reacting a polyol mixture (A) and a polyisocyanate compound (B), wherein the polyol mixture (A) is a mixture of at least two...

Company name: Asahi Glass Co Ltd
Published On: Friday February 27th, 2015

 
CASE>> COATINGS>> ANTI-CORROSION
Polyisocyanate-based anti-corrosion coating

Anti-corrosion coating for metallic substrates obtainable by reacting an organic polyisocyanate with a compound containing isocyanate-reactive hydrogen atoms at an isocyanate index of between 1000 and 5000% in the presence of a trimerisation catalyst.

Company name: Huntsman International LLC
Published On: Friday February 27th, 2015

 
CASE>> COATINGS>> SOLVENT BASED
Solvent borne coating composition having improved sag resistance and process for producing coatings...

A solvent borne brushable coating composition having improved sag resistance and process for using the same are provided. The composition includes a crosslinkable component having one or more polymers having two or more crosslinkable groups a crosslinking component comprising one or more crosslinking agents having crosslinking groups; and a sag...

Company name: Axalta Coating Systems
Published On: Friday February 27th, 2015

 
CASE>> COATINGS>> PAINTS
Aqueous paint composition and method of manufacturing painted article

The first objective of the present invention is to provide an aqueous paint composition that can form a paint film with excellent smoothness, image clarity, adhesion and water resistance. This aqueous paint is characterized in comprising (A) an aqueous dispersion of an acrylic modified polyester resin, (B) a block polyisocyanate compound having a...

Company name: Kansai Paint
Published On: Friday February 27th, 2015

 
CASE>> ADHESIVES
Cover material for packaging container for retortion

Provided is a cover material for packaging contains for retort sterilization which comes to exhibit excellent sealing strength through low-temperature, short-time heat sealing. The cover material for packaging containers for retort sterilization is constituted of a multilayered laminate obtained by superposing a base layer, an interlayer, and a...

Company name: Dai Nippon Printing
Published On: Friday February 27th, 2015

 
CASE>> ADHESIVES>> PRESSURE SENSITIVE
Nonaqueous pressure-sensitive adhesive for medicinal tape preparation for percutaneous absorption,...

The present invention is directed to a nonaqueous pressure-sensitive adhesive that may be used in medicinal tape preparations for percutaneous absorption. The adhesive may comprise a copolymer obtained by copolymerization of a (meth)acrylic monomer having an acetoacetyl group in the molecule and one or more monomers from among other (meth)acrylic...

Company name: Nipro Patch
Published On: Friday February 27th, 2015

 
CASE>> ELASTOMERS
Polyisobutylene-based polyurethanes

An elastomeric polymer, comprising (1) a hard segment in the amount of 10% to 60% by weight of the elastomeric polymer, wherein the hard segment includes a urethane, urea or urethaneurea; and (2) a soft segment in the amount of 40% to 90% by weight of the elastomeric polymer. The soft segment comprises (a) at least 2% by weight of the soft segment...

Company name: University of Massachusetts Lowell
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> ROOFING & FLOORING SURFACES
Pebble-based surfacing materials

Pebble or granular based elastomeric surfacing materials that include an aliphatic thermoplastic polyurethane based pebble or granule bonded together with a two-part aliphatic polyurethane binder are provided. In one embodiment, an A side of the two-part binder has at least one polyol, and a B side of the two-part binder has multiple isocyanates....

Company name: Landscape Structures
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> AUTOMOTIVE>> TIRES / TIRES FILLING
Tire

A tire including: a circular tire frame formed from a resin material; and a metal reinforcing cord member wound on an outer circumference of the tire frame, at least a portion of the metal reinforcing cord member being covered by a covering mixture including at least a thermoplastic resin and a specific elastomer selected from the group consisting...

Company name: Bridgestone
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> TRANSPORTS>> BICYCLE SUSPENSION
Suspension for a bicycle trailer or pram

A wheel suspension is provided for a non-motorized vehicle, in particular a pram or a bicycle trailer designed to transport children, which features a chassis (1) and at least two wheels (8), which are each mounted on a wheel swing arm (11, 15). For each wheel swing arm (11, 15) at least one elastic element (21) is provided, whereby the wheel swing...

Company name: Zwei plus zwei
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> MEDICAL
Method for coating devices using electrospinning and melt blowing

A medical electrical lead may include an insulative lead body, a conductor disposed within the insulative lead body, an electrode disposed on the insulative lead body and in electrical contact with the conductor and a fibrous matrix disposed at least partially over the electrode. The fibrous matrix may be formed from a non-conductive polycarbonate...

Company name: Cardiac Pacemakers
Published On: Friday February 27th, 2015

 
FINISHED PRODUCTS>> FOOTWEAR>> SOLING
Bead foam compression molding method for low density product

Disclosed is a method for molding a foamed article, such as a midsole or outsole for footwear, in which a desired amount of thermoplastic polyurethane foam beads are placed in a compression mold in the shape of the article and the mold is brought to a peak temperature of from about 130.degree. C. to about 180.degree. C. over a period of from about...

Company name: Nike
Published On: Friday February 27th, 2015

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

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

Company name: International Automotive Components Group North America, Inc.
Published On: Friday February 27th, 2015

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS
Influence of the soft segment length on the properties of water‐cured...

Poly(carbonate-urethane-urea)s (PCUU) based on oligocarbonate diols (Mn ≈ 2000) with different length of the hydrocarbon chain as soft segments were synthesized and investigated. Carbonate oligomerols were obtained in a two-step method from dimethyl carbonate (DMC) and linear α,ω-diols (1,4-butanediol, 1,5-pentanediol,...

Company name: Warsaw University of Technology
Published On: Monday March 02nd, 2015

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Green polyurethane from lignin and soybean oil through non-isocyanate reactions

Here we report the synthesis route to produce non-isocyanate polyurethane elastomer with significantly high biomass contents (85 wt%) prepared from two different biomasses, i.e., lignin and soybean oil, for the first time. Carbonated soybean oil was reacted with coupling agent, 3-aminopropyltriethoxysilane, to form urethane bridges, and then lignin...

Company name: The Georgia Institute of Technology
Published On: Monday March 02nd, 2015

 
PU RAW MATERIALS>> PREPOLYMERS
Isocyanate terminated castor oil-based polyurethane prepolymer: Synthesis and characterization

The use of new materials from natural origin in the synthesis of urethane-derived polymers is recently drawing eminent care from social, environmental and also economic viewpoints. In this work, NCO-terminated castor oil-based polyurethane prepolymer (COPUP) is synthesized through the reaction between the isophorone diisocyanate (IPDI) and castor...

Company name: Laboratory for Advanced Research in Polymeric Materials
Published On: Monday March 02nd, 2015

 
CASE>> ELASTOMERS>> TPU
Heating‐Responsive Shape‐Memory Effect in Thermoplastic Polyurethanes with Low...

The heating-responsive shape-memory effect (SME) based on melting in two thermoplastic polyurethanes (TPUs) with low melt-flow index is experimentally investigated. It is revealed that after severe deformation in either tension or impression at room temperature, upon heating to the melting temperature, significant shape recovery is achieved. The...

Company name: Shenyang Jianzhu University
Published On: Monday March 02nd, 2015

 
HEALTH & SAFETY
Isocyanates and human health: Multistakeholder information needs and research priorities

To outline the knowledge gaps and research priorities identified by a broad base of stakeholders involved in the planning and participation of an international conference and research agenda workshop on isocyanates and human health held in Potomac, Maryland, in April 2013.Methods: A multimodal iterative approach was used for data collection...

Company name: University of Cincinnati College of Medicine
Published On: Monday March 02nd, 2015

 
CHEMISTRY
Hydrolyzable Polyureas Bearing Hindered Urea Bonds

Hydrolyzable polymers are widely used materials that have found numerous applications in biomedical, agricultural, plastic, and packaging industrials. They usually contain ester and other hydrolyzable bonds, such as anhydride, acetal, ketal, or imine, in their backbone structures. Here, we report the first design of hydrolyzable polyureas bearing...

Company name: University of Illinois at Urbana-Champaign
Published On: Monday March 02nd, 2015

 
Hydrogen-bonded supramolecular polyurethanes

As a class of materials, supramolecular polymers represent an exciting area of advanced materials research. The combination of unique properties, easy synthesis and response to the environment or external and temporal stimuli makes them important as a focus for the next generation of materials. Understanding and manipulating the non-covalent...

Company name: University of Leeds
Published On: Monday March 02nd, 2015

 
 

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