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  Issue-379 - September 30, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Researchers find big drop in flame retardant levels in women

The rate of flame retardant chemicals in the blood of pregnant women has dropped precipitously between 2008 and 2011, a new study reveals.University of California, San Francisco, researchers found a 65 percent decline in the average levels of polybrominated diphenyl ethers, or PBDEs, in pregnant women’s bloodstreams between 2008 and 2011 – and is...

Company name: University of California-Los Angeles
Published On: Sunday September 29th, 2013

 
PU RAW MATERIALS>> BLOWING AGENTS
PIR insulation uses alternative blowing agent, meets key flammability requirement for continuous...

Residential and commercial building and construction professionals are seeking more choices for continuous insulation materials that not only improve energy efficiency but also meet stringent building code requirements for flammability. Ecomate®, a halogen-free blowing agent sold under license by Foam Supplies Inc., has been evaluated in...

Company name: Foam Supplies
Published On: Tuesday September 24th, 2013

 
Honeywell’s Solstice® Liquid Blowing Agent Used In New, Highly Durable Roof For Cleveland Airport

Honeywell announced today that its Solstice™ Liquid Blowing Agent (LBA) has been selected as a key component in the spray foam roofing system for the Cleveland Airport System, including multiple terminal and maintenance buildings at Cleveland-Hopkins International and Burke Lakefront airports. West Development Group, the LaGrange, Ohio-based...

Company name: Honeywell
Published On: Wednesday September 25th, 2013

 
PU RAW MATERIALS>> POLYOLS
Dow Introduces Moisture and Chemical Repellant Polyols for High-Performance CASE Applications

Protecting pipes and tanks from the effects of water damage can lengthen the lifespan of expensive equipment and extend capital investments. Dow Polyurethanes has created VORAPEL™ Moisture and Chemical Repellant Polyols, a novel new family of hydrophobic polyols for applications that require increased moisture and chemical resistance, including...

Company name: Dow Polyurethanes
Published On: Tuesday September 24th, 2013

 
Dow Adds Polyether Polyols Facility at Thailand Site

Dow Polyurethanes, a business of The Dow Chemical Company, will add a polyether polyols facility at the Company’s Map Ta Phut, Thailand site to further address regional customer needs.The facility’s 165 kilotons per annum (KTA) of capacity will reduce logistical costs and transportation risks by minimizing the amount of transportation across...

Company name: Dow Polyurethanes
Published On: Thursday September 26th, 2013

 
Dow to Increase Freeport Polyol and Copolymer Capacity

Dow Polyurethanes, a business of The Dow Chemical Company will increase its polyol and copolymer capacity at its Freeport, Texas facilities as a result of debottlenecking. “Dow is constantly evolving our technologies to help our customers grow,” said Mark Bassett, global business director for Dow Polyurethanes. “DMC catalysis will allow our Texas...

Company name: The Dow Chemical Company
Published On: Thursday September 26th, 2013

 
SYSTEMS
The versatile all-rounder

K 2013 International Trade Fair: RAMPF Giessharze presents polyurethane and epoxy resin systems and silicones for sealing, bonding, casting, and coatingGrafenberg, September 25, 2013. RAMPF Giessharze offers over 1,000 casting resin solutions for more than 5,000 applications. With such a broad spectrum of applications, the international RAMPF Group...

Company name: RAMPF-Gruppe
Published On: Monday September 30th, 2013

 
SYSTEMS>> COATINGS>> WATER-BORNE COATINGS
Bayer's low-VOC waterborne technology enables primer coating with excellent adhesion

Successfully painting traditionally difficult-to-coat substrates used in a wide range of commercial and industrial applications is now much easier due to a Bayer MaterialScience LLC advance in waterborne primer coating raw material technology. In addition, primers built on this new Bayer technology offer high-performance properties and low volatile...

Company name: Bayer MaterialScience AG
Published On: Monday September 30th, 2013

 
SYSTEMS>> RIGID FOAMS>> CAVITY FILLING
BETAFOAM™ RENUE to be Showcased at 2013 Polyurethanes Technical Conference

Advantages of a new lower density body cavity sealing material for automotive manufacturers will be presented by a team from Dow Automotive Systems at the 2013 Polyurethanes Technical Conference. Held September 23-25 in Phoenix, the annual conference provides a comprehensive overview of developments in the North American polyurethanes industry.“Our...

Company name: Dow Automotive
Published On: Tuesday September 24th, 2013

 
FOAMS
Polyurethane (PU) Foams Market Worth $61.9 Billion by 2018

Polyurethane foam is one of the most widely used polymeric foam in the world, finding applications in almost all the modern industries. These are made primarily by reacting diisocyanates (MDI or TDI) with polyols and other chemicals. Polyurethane occurs in mainly two forms; Polyurethane foams and Polyurethane non foams. These are classified on the...

Company name: MarketsandMarket
Published On: Monday September 30th, 2013

 
FOAMS>> FLEXIBLE
The Woodbridge Group® Develops Innovative GreenLite™ TDI Chemical Formulations to Tailor Dynamic...

As a world leader in developing innovative material and product solutions, The Woodbridge Group® is proud to announce the development of a unprecedented chemistry breakthrough for extreme low mass TDI high resiliency foams. This unprecedented chemistry breakthrough offers significant dynamic comfort, weight and cost advantages.Previously Woodbridge...

Company name: The Woodbridge Group
Published On: Friday September 27th, 2013

 
CASE>> COATINGS
PPG to Exhibit at ICUEE Show

PPG Commercial Coatings will be exhibiting at this year’s International Construction & Utility Equipment Exposition (ICUEE), October 1-3 at the Kentucky Exposition Center in Louisville, bringing its expertise in coating solutions to show exhibitors and attendees.Experts on PPG’s proven technologies will be on hand to talk about solutions for...

Company name: PPG Industries, Inc.
Published On: Monday September 30th, 2013

 
CASE>> COATINGS>> FLOORING
BASF to Build European Production and Competence Center for Flooring and Waterproofing Systems in...

The company is investing in the production and development of polyurethane and epoxy-based systems for flooring and waterproofing, together with logistics, research, sales and service. The investment is the next step in the development of these businesses, following the sale of the CONICA Sports Surfaces business line and the Swiss Schaffhausen...

Company name: BASF Construction Chemicals
Published On: Tuesday September 24th, 2013

 
Polyurea at the San Siro stadium

Italchimica, an Italian company specialising in synthetic coatings, has waterproofed 13,000 square metres of concrete at the San Siro stadium in Milan using a spray-on MDI-polyurea solution created by Huntsman.Italchimica's aim was to protect the network of concrete corridors at the stadium prone to extreme wear due to the large influx of football...

Company name: Italchimica
Published On: Thursday September 26th, 2013

 
CASE>> COATINGS>> POLYUREA
Successful with polyurea coatings

For ten years Alexander Voelkel and his company, Voelkel Industrie Produkte (VIP), have been forging a path to success with a polyurea coatings technology. Voelkel has now been partnering with BASF for a year with the aim of securing its goal for lasting quality.It is not easy to establish a connection between the legendary pleasure dome, the city...

Company name: BASF SE
Published On: Monday September 30th, 2013

 
CASE>> ELASTOMERS>> TPU
Lubrizol to Highlight New Medical Grade Flame-Retardant Polymer Technology at MedTec China

The Lubrizol Corporation will feature its new medical grade flame-retardant polymer technology during the MedTec China show September 25-26 at the Shanghai World Expo Exhibition & Convention Center. Developed by Lubrizol LifeScience Polymers, this product is the first thermoplastic polyurethane (TPU) of its kind to combine high flame properties...

Company name: The Lubrizol Corporation
Published On: Tuesday September 24th, 2013

 
APS Launches Extrusion Series of Polyether-Based TPUs

North America’s newest provider of thermoplastic polyurethanes (TPUs) - APS (Alliance Polymers and Services, LLC) - announces the availability of the firm’s newest 7000 Series of Zythane® TPUs.These polyether-based thermoplastic polyurethanes are formulated for pneumatic tubing, cable jacketing, technical profiles and film and sheet, among other...

Company name: Alliance Polymers and Services
Published On: Monday September 30th, 2013

 
Bio & beyond

This will be API's slogan at the K 2013, summarising its strategy for the development of environmentally friendly polymeric materials. The company has always created efficient, user-friendly solutions for innovative products: from Apilon 52, used to make the first TPU ski-boots, to Megol and Apigo, new generation TPEs for the automotive, electrical...

Company name: API
Published On: Friday September 27th, 2013

 
CASE>> ELASTOMERS>> FIBERS
High-performance stretch fiber for bottomwear from Teijin

Teijin Frontier Co. Ltd. Opening a new window, the Teijin Group's fiber-products converting company, announced that it has developed a high-performance stretch fiber called SOLOTEX OO that features the superior elasticity of polyurethane with the soft texture and shape stability of PTT fiber.By combining Teijin Frontier’s SOLOTEX PTT fiber and...

Company name: Teijin Frontier
Published On: Thursday September 26th, 2013

 
CASE>> COMPOSITES
BASF and PlastiComp, Inc. to present on lightweight solutions for the aerospace industry at the High...

BASF Corporation will demonstrate high performance composites that make aerospace parts lighter and more sustainable at the 2013 High Performance Composites for Aircraft Interiors Conference, October 2-3, at the Washington State Convention Center in Seattle, Washington.Ralph Maier, Ph.D., Technology Manager for Aerospace at BASF Corporation, and...

Company name: BASF
Published On: Monday September 30th, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION
Modification of mixing and casting low pressure machine OSV L60 - New design os OSV bestseller

OSV Technologiya is pleased to present to your attention a new generation of classical model of mixing and casting low pressure machine OSV L60 in a new design!.. A unique new body, reliable modified construction with European components, easy operation make this machine more attractive for manufacturers of PU industry.For the first time mixing and...

Company name: OSV Technologiya
Published On: Monday September 23rd, 2013

 
OSV Mini Pneumatica - New model in the line of OSV compact machines for casting and spraying of...

In early September this year OSV Technologiya engineers finished their work on a project for the production of a new model in the line of OSV compact mixing and casting machines - the machine OSV Mini Pneumatica for casting and spraying of two-component polyurethanes and silicones.The key technical features of this model are working with a fixed...

Company name: OSV Technologiya
Published On: Wednesday September 25th, 2013

 
New Polyurea Unit Tackles Tight Spaces

Secondary containment spill prevention, waterproofing, truck bedliners and other projects that demand portability are the industrial applications served by Graco's new Reactor E-10hp High-Pressure Proportioner.The new electric proportioning system for pure and hybrid polyurea coatings is designed for upstream, midstream and downstream projects,...

Company name: Graco
Published On: Sunday September 29th, 2013

 
Fibermaq develops giant arm for spray-up machines

Brazilian leader in equipment for composite molding, Fibermaq developed an accessory for the manufacture of large pieces. It is a movable 4 m arm that, when attached to spray-up machines, allows the spraying of the material – fiber and resin – at long distances. "It is the ideal accessory for anyone who manufactures swimming pools and boat hulls,...

Company name: Fibermaq
Published On: Monday September 30th, 2013

 
FINISHED PRODUCTS>> RAILWAY
High-speed Rail Summit & Exhibition 2013: BASF showcases new and lightweight innovative solutions

BASF, the world’s leading chemical company, will showcase its innovative solutions for high speed railways such as its lightweight solutions for rail vehicle construction and new functional materials solutions for rail vehicle interiors, at High-Speed Rail Summit and Exhibition 2013. “Chemistry provides answers for high speed railway track...

Company name: BASF Asia Pacific
Published On: Tuesday September 24th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> DOORS & WINDOW FRAMES
Robust, energy-efficient windows with polyurethane composites

The efficient thermal insulation of buildings not only reduces energy consumption, it also spares the wallets of the owners and tenants. Furthermore, it makes a real contribution towards conserving resources and protecting the climate. Windows and facades, in particular, are a common source of heat loss. To reduce this heat loss, it is important...

Company name: Bayer MaterialScience
Published On: Wednesday September 25th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
Pay attention to R-values with Icynene

There are plenty of different kinds of insulation you can add to a housing project, but not all of them offer the same level of return on investment as Icynene spray foam. This product allows you to quickly and safely add maximum value to any home or multi-tenant residence, offering buyers an ideal opportunity to increase their long-term...

Company name: Icynene
Published On: Thursday September 26th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> CONVEYORS
Intech Power-Core Offers a Long Lasting Polymer Alternative to Urethane Conveyor Rollers For The Oil...

Intech recently designed a new polymer conveyor roller for pipe handling and spiral welding. Of all the large, load-bearing applications for our Power-Core(TM) Gravity Cast Nylon, one of the most challenging has been the driven conveyor rollers for spiral welding systems. These plastic conveyor rollers, which have a v-shaped profile, can carry...

Company name: Intech Power-Core
Published On: Monday September 30th, 2013

 
INDUSTRY UPDATE
Uratex plans and its secrets

There is no special or secret formula that would spell the 45-year success of the Uratex brand.For Natividad “Naty” Cheng, creating a household name such as Uratex was simply all about patience and determination, coupled with the unrelenting desire to continuously learn and innovate as a way to move the company forward.“We innovate. We look at the...

Company name: Uratex
Published On: Thursday September 26th, 2013

 
Join BASF at the Center for the Polyurethanes Technical Conference

It’s the event many of us in the industry look forward to all year. Running from September 23 – 25, 2013 in Phoenix, Arizona, this year’s CPI Technical Conference is jam-packed with informative sessions, networking opportunities and chances to grow both your business and the polyurethanes industry as a whole. The keynote speech at the opening...

Company name: BASF Polyurethanes
Published On: Tuesday September 24th, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> RHEOLOGY MODIFIERS
Cardanol-based associative polyurethanes, corresponding associative thickeners and uses thereof

New associative polyurethanes which are manufactured with cardanol which is potentially oxyethylated. Use of these polyurethanes as thickening agents for aqueous formulations.

Company name: Coatex
Published On: Monday September 30th, 2013

 
PU RAW MATERIALS>> ADDITIVES>> PLATICIZER
Plasticizers for resin compositions and resin compositions including the same

This invention relates to a resin composition using a dicarboxylic acid diester derivative as a plasticizer, and particularly to a resin composition, which is obtained by adding the plasticizer to one or more resins selected from among aliphatic or aromatic polycarbonate resins, polyurethane resins, polyvinyl chloride resins and epoxy resins, and...

Company name: SK innovation
Published On: Monday September 30th, 2013

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Coupling method for providing high molecular weight natural oil polyol

Methods of coupling plant oil based polyols so as to synthesis high molecular weight plant oil polyols having a hydroxyl number between from about 40 to about 60. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.

Company name: MCPU Polymer Engineering
Published On: Monday September 30th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
Non-sintering isocyanate modified epoxy resin for fusion bonded epoxy applications

Thermosetting epoxy-terminated oxazolidinone ring containing polymers which are obtainable by reacting at least one polyisocyanate compound with at least one hydroxy group containing epoxy resin and/or a combination of at least one epoxy resin and at least one di- or multifunctional nucleophilic compound that is capable of forming crosslinks...

Company name: Dow Global Technologies
Published On: Monday September 30th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Aqueous pigment dispersions based on alternating polyurethane dispersants

The present disclosure provides novel aqueous pigment dispersions containing an aqueous vehicle, a pigment and an alternating polyurethane as a dispersant. Also disclosed is the use of these dispersions in ink-jet ink.

Company name: E I du Pont de Nemours & Company
Published On: Monday September 30th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Polyurethaner-based binder for producing cores and casting molds using isocyanates containing a...

The present invention relates to a polyurethane-based binder using isocyanates containing uretonimine and/or carbodiimide groups for producing cores and casting molds, to a mold material mixture containing the binder, and to a method using the binder for producing casting molds.

Company name: ASK Chemicals
Published On: Monday September 30th, 2013

 
SYSTEMS>> ADHESIVES
Epoxy resin-based composition modified for impact resistance

A resin component for a one- or two-component adhesive, a matrix resin, or a structural foam, comprising: C1) at least one epoxy resin, having an average of more than one epoxy group per molecule, that does not correspond to the definition of component C2); C2) at least one oligomeric or polymeric urethane-group-free polyether compound. A one- or...

Company name: Henkel
Published On: Monday September 30th, 2013

 
SYSTEMS>> COATINGS
Polyurethane coatings with improved interlayer adhesion

Polyurethane coating compositions comprising a mixture of aromatic and aliphatic isocyanate, and a mixture of polyol resin are disclosed. Methods for treating an aged substrate are also disclosed.

Company name: PRC-DeSoto International
Published On: Monday September 30th, 2013

 
FOAMS
Silicone-containing polyurethane foam

Low density silicone-containing polyurethane foams with excellent surface characteristics are prepared by reacting a foamable composition containing a siloxane of the formula ##STR00001## and an isocyanate, in the presence of at least one blowing agent.

Company name: Wacker Chemie AG
Published On: Monday September 30th, 2013

 
FOAMS>> FLEXIBLE>> LOW RESILIENCE
Low resilience flexible polyurethane foam and process for its production

To provide a flexible polyurethane foam which is excellent in low resiliency and durability without using a plasticizer and which shows little change in hardness against a change in temperature and at the same time, has high air permeability. A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture comprising...

Company name: Asahi Glass Co Ltd
Published On: Monday September 30th, 2013

 
FOAMS>> FLEXIBLE>> MOLDED
Dimensionally stable polyurethane molded bodies having low density

The present invention relates to a process for producing polyurethane foam moldings where the density of the molding is at most 500 g/L, by mixing the following to give a reaction mixture: a) organic polyisocyanates with b) polyesterols, c) blowing agents, d) cell-opening additives selected from the group consisting of homo- or copolymers based on...

Company name: BASF SE
Published On: Monday September 30th, 2013

 
FOAMS>> RIGID
Bioresin composition for use in forming a rigid polyurethane foam article

A bioresin composition is used to form a rigid polyurethane article that includes a first and a second biopolyol and is substantially free of aprotic solvents that chemically decompose in the presence of water. The first biopolyol includes a natural oil component. The second biopolyol includes the reaction product of a natural carbohydrate and an...

Company name: BASF SE
Published On: Monday September 30th, 2013

 
Producing rigid polyurethane foams and rigid polyisocyanurate foams

The present invention relates to a process for producing rigid polyurethane foams or rigid polyisocyanurate foams by the reaction of at least one polyisocyanate A), polyetherester polyols B) based on aromatic dicarboxylic acids obtainable by esterification of b1) 10 to 70 mol % of a dicarboxylic acid composition comprising b11) 50 to 100 mol %,...

Company name: BASF SE
Published On: Monday September 30th, 2013

 
FOAMS>> RIGID>> CLOSED CELL
Rigid polyurethane foam and system and method for making the same

An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10.degree. C. and 40.degree. C. at 1 atmosphere...

Company name: Huntsman International LLC
Published On: Monday September 30th, 2013

 
FOAMS>> RIGID>> POLYISOCYANURATE FOAMS
Polyurethane and polyisocyanurate foams

Embodiments of the invention provide for polyurethane or polyisocyanurate foam formulations. The formulations include a formulated polyol, a polyisocyanate, and a blowing agent such that the stoichiometric index of the polyisocyanate to the formulated polyol is above 250. The formulated polyol includes (i) from about 20 to about 60 percent by...

Company name: Dow Global Technologies
Published On: Monday September 30th, 2013

 
CASE>> COATINGS
Anticorrosion coating method for zinc-plated steel structure

The present invention provides an anticorrosion coating method for a galvanized steel structure, the method comprising applying an undercoating composition (I) to a cured thickness of 10 to 200 .mu.m to a surface of a galvanized steel structure, and then applying thereto an overcoating composition (II) to a cured thickness of 100 to 1,500 .mu.m;...

Company name: Shikoku Research Institute
Published On: Monday September 30th, 2013

 
CASE>> ELASTOMERS
Polyurethane elastomers made using mixtures of aliphatic diol chain extender and secondary amine

Polyurethane elastomers are formed by curing a reaction mixture containing at least one polyisocyanate at least one polyol, an aliphatic diol chain extender and a small amount of a secondary amino compound that may have none or one or more hydroxyl groups. The reaction is catalyzed with a metal catalyst. In certain embodiments, the catalyst is an...

Company name:
Published On: Monday September 30th, 2013

 
CASE>> ELASTOMERS>> TPU
Thermoplastic polyurethane containing silane groups

The invention relates to a thermoplastic polyurethane comprising the following structural unit: R.sub.2--CO--NH--R--Si(R.sub.1).sub.3-x(OR.sub.1).sub.x where: R is an aliphatic, araliphatic, or aromatic organic radical having from 1 to 20 hydrocarbon atoms, R.sub.1 is an alkyl radical or aryl radical having from 1 to 10 carbon atoms, R.sub.2 is...

Company name: BASF Aktiengesellschaft
Published On: Monday September 30th, 2013

 
FINISHED PRODUCTS
Method of manufacturing an environment-friendly tile

A new type environment-friendly tile and method of manufacturing the same, firstly, provide a multi bottom-fiber layer containing a environment-friendly water-borne resin; next, place a top wear-resistant layer made of thermoplastic polyurethane (TPU) on a top surface of said multi bottom-fiber layer, and perform hot pressing and lamination on...

Company name: Dongguan MeiJer Plastic Products
Published On: Monday September 30th, 2013

 
FINISHED PRODUCTS>> RAILWAY
Use of fibre-reinforced polyurethane to form a rail for a mounting arrangement

The invention relates to the use of fibre-reinforced polyurethane to form a rail (10, 11) for a mounting arrangement to arrange at least one element (12) on a substrate (13) or on at least one receiving structure, in particular on a framework, where the rail (10, 11) has a C-shaped cross section with an open side (14), so that it is possible for...

Company name: Bayer Intellectual Property
Published On: Monday September 30th, 2013

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

Golf ball 2 has spherical core 4, cover 6 situated on the external side of the core 4, and paint layer 8 situated on the external side of the cover 6. The cover 6 has a Shore D hardness of no greater than 61. The paint layer 8 has a Martens hardness of no greater than 2.0 mgf/.mu.m.sup.2. The base polymer of the paint layer 8 is a polyurethane...

Company name: SRI Sports
Published On: Monday September 30th, 2013

 
FINISHED PRODUCTS>> SPORTS>> GRIPPING SURFACE
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: Monday September 30th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> ACOUSTIC INSULATION
Sound damping compositions and methods for application and use

Sound damping compositions and methods for their application are described herein. The compositions can include a polymer, a polyacrylate rheology modifier, and a polyurethane rheology modifier. The compositions can alternatively include a polymer derived from greater than 80% of one or more monomers selected from the group consisting of butyl...

Company name: BASF SE
Published On: Monday September 30th, 2013

 
 
LATEST TRENDS >> PAPERS
FOAMS>> RIGID>> WATER-BLOWN
Effect of expandable graphite particle size on the flame retardant, mechanical, and thermal...

Different particle size of expandable graphite (EG) were incorporated into water-blown semi-rigid polyurethane foams (SPFs), which acted as the fire shield, in order to enhance the fire retardant properties. In this study, the particle size of EG was systematically varied from 70 µm to 960 µm. The effect of EG particle size on the density,...

Company name: Sichuan University
Published On: Monday September 30th, 2013

 
CASE>> COMPOSITES>> BIOBASED
Biobased Polymer Composites Derived from Corn Stover and Feather Meals as Double-Coating Materials...

In this paper, we synthesized a biobased polyurethane using liquefied corn stover, isocyanate, and diethylenetriamine. The synthesized polyurethane was used as a coating material to control nitrogen (N) release from polymer-coated urea. A novel superabsorbent composite was also formulated from chicken feather protein (CFP), acrylic acid, and...

Company name: Shandong Agricultural University
Published On: Monday September 30th, 2013

 
Biocomposites From Switchgrass and Lignin Hybrid and Poly(butylene succinate) Bioplastic: Studies on...

Lignin and switchgrass based poly (butylene succinate) composites were prepared using a melt mixing technique. The effects of polymeric methylene diphenyl diisocyanate (pMDI), isocyanate terminated polybutadiene prepolymer (ITPB) and organic peroxide on the properties of the composites were evaluated. Peroxide and pMDI resulted in the improvement...

Company name: University of Guelph
Published On: Monday September 30th, 2013

 
SHAPE MEMORY MATERIALS
Poly(ester urethane) with Varying Polyester Chain Length: Polymorphism and Shape‐Memory...

The swelling, viscoelastic, and mechanical behavior of phase-segregated poly(ester urethane) (PEU) block copolymers, composed of 4,4′-methylenediphenyl diisocyanate, 1,4-butanediol as a chain extender, and crystallizable poly(1,4-butylene adipate) (PBA) with molecular weights between 1330 and 4120 g mol−1, are investigated. Wide-angle...

Company name: BAM Federal Institute for Materials Research and Testing
Published On: Monday September 30th, 2013

 
CHEMISTRY
Influence of Dangling Chains on Molecular Dynamics of Polyurethanes

The effect of dangling chains on phase-separated microstructure and molecular dynamics for polyurethanes (PUs) was investigated. PUs with different dangling chain lengths and polar groups were prepared through changing the types of diol extender. The molecular dynamics was studied by a combination of dynamic mechanical analysis (DMA) and broadband...

Company name: Zhejiang University
Published On: Monday September 30th, 2013

 
 

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