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    PU2PU
  Issue-357 - April 22, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Environmental Law Firm Holds Top Furniture Manufacturers Accountable For Toxic Chemicals

The Chanler Group has served more than 100 “Sixty-Day Notices of Violation” on leading furniture manufacturers alleging the presence of flame retardants TDCPP and TCEP, referred to more simply as Tris, in their products. The Chanler Group’s clients, Peter Englander, Laurence Vinocur, and John Moore assert that unwarned exposure to Tris is a...

Company name: The Chanler Group
Published On: Wednesday April 17th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> VACUUM CASTING
Alchemie launches UL94V-0 for Vacuum Casting

We are pleased to announce the launch of our latest resin for Vacuum casting and rapid prototyping. Following a long period of development Alchemie submitted the new product VC3385 for UL94V-0 flame retardant approval. The product met the required specifications and was granted certification.The product itself offers excellent mechanical properties...

Company name: Alchemie
Published On: Monday April 22nd, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> CASTING RESINS
Innovative System Solutions for Lean Manufacturing Projects

The RAMPF Group, one of the leading companies in reactive casting resins and machine systems, and its Italian partner Cabel+ presented RAKU-PUR® SPEED at this year’s MECSPE 2013. This two-component polymer from RAMPF Giessharze and the new compact robot cell DC-RS250 from RAMPF Dosiertechnik were showcased through live demonstrations at Italy’s...

Company name: RAMPF-Gruppe
Published On: Monday April 22nd, 2013

 
CASE>> COATINGS
Castolin Acquires Monitor Coatings

Castolin Eutectic announces its acquisition of privately-held Monitor Coatings Group, a technology leader for surface engineering in extreme environments with facilities in the UK, Singapore and China. Serving customers in the oil and gas, steel, power and aerospace industries, Monitor Coatings has earned its market position on highly performant...

Company name: Castolin Eutectic
Published On: Tuesday April 16th, 2013

 
PPG Acquiring Deft's Aerospace Coatings

PPG Industries has reached an agreement to acquire certain assets of Deft Incorporated, a privately-owned specialty coatings company based in Irvine, Calif. Deft’s primary business is supplying structural primers and military topcoats to the North American aviation industry, and it has smaller architectural and industrial coatings businesses....

Company name: PPG Industries
Published On: Tuesday April 16th, 2013

 
Chemtronics Introduces Konform UR-A, HR Conformal Coatings

Konform UR-A and Konform HR water-based conformal coatings provide protection for circuit boards, low odor, and lower VOC (volatile organic compounds) emissions. Konform UR-A protects circuits from moisture and airborne contaminants. Protects against abrasion, humidity, salt, corrosive vapors, solvents and fungus for printed circuit board and...

Company name: ITW Chemtronics
Published On: Tuesday April 16th, 2013

 
CASE>> COATINGS>> SPRAY FOAMS
Comfort RX to Exhibit at 2013 ACI National Home Performance Conference

Comfort RX will be exhibiting at the 2013 ACI National Home Performance Conference, April 30-May 3, in Denver, Colorado, offering contractors the opportunity to learn about expanding their business to include air sealing with low pressure spray polyurethane foam (SPF).Comfort RX makes it easy and convenient for contractors to get started, offering...

Company name: Comfort RX
Published On: Tuesday April 16th, 2013

 
CASE>> ADHESIVES
Alfa Klebstoffe to exhibit water-based adhesives at Interzum

Alfa Klebstoffe AG, a supplier of water-based adhesives, will present itself at the Interzum from 13 – 16 May 2013 in Cologne, Germany. For the bonding of upholstery foam, where a fast instant tack is important, the Simalfa adhesives are said to offer high performance. Thus, foam converters are able to optimise their work processes and shorten...

Company name: ALFA Klebstoffe
Published On: Tuesday April 16th, 2013

 
Modern adhesives as innovation drivers for the graphics market

Henkel has set itself some ambitious sustainability targets, doubling its resolve to progress in this domain. In short, Henkel wants to achieve more with less. Reduced material input, avoidance of waste, improved water conservation and more safety both at work and for consumers are objectives right at the heart of Henkel’s approach to adhesive...

Company name: Henkel
Published On: Monday April 22nd, 2013

 
CASE>> SEALANTS>> ONE COMPONENT SYSTEMS
New Handi-Foam Fireblock West for Low Humidity, High Temperature Climates

In an effort to continuously provide solutions to contractors’ needs, Fomo Products, Inc. announces the release of Handi-Foam® Fireblock West designed for low humidity, high temperature climates.Handi-Foam Fireblock West is a fireblock sealant designed to block the passage of flame and smoke in concealed penetrations from room to room and floor to...

Company name: Fomo Products Inc
Published On: Monday April 22nd, 2013

 
CASE>> ELASTOMERS>> CAST ELASTOMERS
Innovative Polymers Introduces Shore A, UL 94 V-O Polyurethanes

A new family of flame-retardant, Shore A hardness polyurethanes has been developed by Innovative Polymers. The products, which meet the requirements of UL 94 V-0, are designed for use in casting electronic parts, medical devices and gaming machine components. All systems in the FX polyurethane series are colored white and feature good mechanical...

Company name: Innovative Polymers
Published On: Tuesday April 16th, 2013

 
Alchemie develops new Water clear bulk Casting Resin

Following an extensive customer collaboration project Alchemie have been successful in developing a new water clear bulk casting resin.The product PU3661F is designed specifically for the casting of larger volumes of material. This has been achieved by reducing the exothermic reaction of the material while curing, this enables the material to...

Company name: Alchemie
Published On: Monday April 22nd, 2013

 
CASE>> ELASTOMERS>> POTTING COMPOUNDS
Huntsman develops a new encapsulating system for PV Inverters

Huntsman Advanced Materials has launched a new product for potting of solar inverters. The polyurethane system ‘Arathane’ CW 5660 / HY 5610 has been designed to meet the key requirements of inverters for PV applications. Fast processing, high thermal endurance combined with low temperature flexibility and high thermal conductivity are the key...

Company name: Huntsman Advanced Materials
Published On: Monday April 22nd, 2013

 
CASE>> ELASTOMERS>> TPU
Parker Hannifin launch new medical grade polyurethane

Global leader in motion and control technologies has created medical grade polyurethane that demonstrates expanded resistance to environmental stress cracking, as well as characteristic polycarbonate resistance to oxidation and swellingDeveloped by the Engineered Polymer Systems (EPS) Division of Parker Hannifin Corporation; the product, dubbed...

Company name: Parker Hannifin
Published On: Monday April 22nd, 2013

 
FINISHED PRODUCTS>> BEDDING>> MATTRESSES CORES
Green Sleep: Mattress Matters

A reader recently asked, "I'm looking for a green healthy mattress. What do you recommend?"Because we spend about half our lives in bed, I recommend a mattress made of natural materials and free of chemical treatments. Alas, most conventional mattresses are stuffed with petroleum-based, polyurethane foam that can release, or "off-gas," volatile...

Company name:
Published On: Friday April 19th, 2013

 
FINISHED PRODUCTS>> PETROCHEMICAL - OIL FIELD
Bailey-Parks to Bring New Frac-sand Transport Solution to OTC in Houston

Bailey-Parks Urethane will debut an innovative, long-lasting polyurethane piping system to replaces the metal systems used on trailers that transport fracking sand at the Offshore Technology Conference (OTC), May 6–9, 2013, at the Reliant Center in Houston, Texas. Representatives of Bailey-Parks will be available to share technical information and...

Company name: Bailey-Parks Urethane
Published On: Tuesday April 16th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL
Kinder & Co introduces new K-HD polyurethane guide rollers

The new K-HD polyurethane guide rollers from Kinder & Co are designed to control belt alignment without causing damage to the belt.The K-HD polyurethane guide roller can be integrated with the existing belt conveyor system to achieve improved productivity and cost efficiencies on site.The guide rollers feature a unique concave design that ensures a...

Company name: Kinder and Co
Published On: Wednesday April 17th, 2013

 
Polyurethane Impact Bar suits bulk material handling areas.

Argonics’ engineers spent more than a year designing and testing its new Load Zone™ impact bar. The result is a bar that is 241% stronger with twice the wear life of Argonics’ previous impact bar.The new impact bars are manufactured with three enhanced layers of material that are designed for maximum energy absorption, reduced rebound and increased...

Company name: Argonics
Published On: Monday April 22nd, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> BELT
Fenner is about more than conveyor belts

Fenner may be one of the world’s foremost producers of industrial conveyor belts, but do not make the mistake of pigeonholing the British manufacturer.“We are not a conveyor belt maker,” stresses Nick Hobson, chief executive, with forcefulness that implies a long-running battle against such a perception. “We are a reinforced polymer maker.”To an...

Company name: The Fenner Group
Published On: Friday April 19th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> VIBRATION DAMPING COMP.
New vibration protection for fire-prone areas

Of late, people, buildings and structures have been effectively protected from both vibrations and fire using just one type of material: Sylomer® FR is a new vibration-isolating material developed by Getzner that prevents unwanted vibrations. Its fire-retardant properties mean it also provides effective protection against vibrations when installed...

Company name: Getzner Werkstoffe
Published On: Tuesday April 16th, 2013

 
INDUSTRY UPDATE
LANXESS opens Application Development Center for Asian plastics industry

The specialty chemicals company LANXESS has opened a new Asia-Pacific Application Development Center for its high-tech plastics in the Hong Kong Science & Technology Park. It is run by the High Performance Materials (HPM) business unit and provides comprehensive and high-value services ranging from concept development support, computer-aided...

Company name: Lanxess
Published On: Thursday April 18th, 2013

 
NCFI Polyurethanes awards safe drivers

Foam supplier NCFI Polyurethanes, which operates its own delivery fleet with six full-time drivers, recently announced its annual driving-safety awards. The Mount Airy, N.C.-based company said its drivers maintained the company’s exceptional safety record, logging in approximately 1.5 million accident-free miles in 2012. The company’s six drivers...

Company name: NCFI Polyurethanes
Published On: Friday April 19th, 2013

 
BASF honored again as “Excellent Supplier” by Great Wall Motors

For the second consecutive year, BASF has been named "Excellent Supplier" by Great Wall Motors Company Limited (GWM). The award recognizes BASF’s outstanding contribution in developing customized interior parts with enhanced safety and comfort based on Elastofoam I®, integral skin foam systems, and Elastoflex W®, flexible foam systems for four...

Company name: BASF Asia Pacific
Published On: Monday April 22nd, 2013

 
Recticel considers the future of UK foam converting unit

Recticel Limited (UK) announced its intention to streamline its Flexible Foams converting activities in the United Kingdom, resulting in the potential closure of its foam converting factory in Nelson (Lancashire) before the end of Q3/2013.The activities of this site are under consideration for integration into the conversion capacities at the...

Company name: Recticel UK
Published On: Wednesday April 17th, 2013

 
CHEMISTRY
Webinar Polymerization Improved by In Situ Spectroscopy: Real Time Monitoring of Polymerization...

In it, Professor Tim Long of Virginia Tech explains how in situ spectroscopy provides clear insight into critical polymerization reaction characteristics to enhance results, reduce rework, and enable development of ground breaking complex polymers.METTLER TOLEDO has launched a new on-demand webinar entitled "Real Time Monitoring of Polymerization...

Company name: Mettler Toledo
Published On: Tuesday April 16th, 2013

 
PEOPLE
Bayer's Reinstadtler elected President of Polyurea Development Association

Steven Reinstadtler, industrial marketing manager — coatings for construction, Bayer MaterialScience LLC, has been elected President of the Polyurea Development Association (PDA). He will officially begin his one-year term during the association's annual conference, April 15-17, in Las Vegas. As a member of the PDA for 12 years, including two years...

Company name: Polyurea Development Association
Published On: Tuesday April 16th, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES
Polyurethane based photoinitiators

A photoinitiator of the general formula (I): (--(R.sub.1(A.sub.1).sub.m).sub.u--(R.sub.2(A.sub.2).sub.n-0).sub.0--(R3(- A.sub.3).sub.p-0).sub.q-(R4(A.sub.4).sub.r).sub.v-C(0)NH--R.sub.5(A.sub.5)- .sub.5-NHC(0)).sub.t- wherein R.sub.1(R.sub.2, R.sub.3, R.sub.4 and R.sub.5 and m, n, o, p, q, r, s, t, u and v are as defined herein and A.sub.1,...

Company name:
Published On: Friday April 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
Self-crosslinkable polyhydroxy polyurethane resin, resinaceous material that contains the resin,...

Provided are a self-crosslinking polyhydroxy polyurethane resin derived from a reaction of a 5-membered cyclic carbonate compound and an amine compound and having masked isocyanate groups in its structure; a process for producing the resin; an imitation leather composed of a base fabric and a resin composition composed of the resin as its principal...

Company name: Ukima Chemicals & Color Mfg
Published On: Friday April 19th, 2013

 
Urethane resin composition, coating material, adhesive, cured product obtained using the same, and...

An object of the present invention is to provide a urethane resin composition that has excellent coating workability and storage stability not causing gelation with time and that can form a cured product such as a coating that has excellent heat resistance. The present invention relates to a urethane resin composition includes an alcohol-soluble...

Company name: DIC Corporation
Published On: Friday April 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOSETS
Thermosetting resin composition

The thermosetting resin composition according to the present invention includes a resin (A) containing two or more carboxyl groups and having a polyurethane structure, a strongly basic nitrogen-containing heterocyclic compound having pKa of 10.0 to 14.0 as a curing accelerator (B) and a curing agent (C). A cured product of the thermosetting resin...

Company name: Showa Denko K.K.
Published On: Friday April 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSION
Inorganic nanoporous particles with water dispersible polyurethane binder

An article contains inorganic nanoporous particles bound together by water dispersible polyurethane, the article having 75 volume-percent or more inorganic nanoporous particles based on total article volume and having a density of 0.14 grams per cubic centimeter or less and a thermal conductivity of 25 milliWatts per meter*Kelvin or less and having...

Company name: Dow Global Technologies Inc
Published On: Friday April 19th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOPLASTIC
Polymer compositions

The invention provides a composition comprising at least the following: A) a thermoplastic polyurethane; B) an elastomer; C) a polydiene-based polyurethane or a polydiol-based polyurethane; D) a polyoctenamer; and E) a resin selected from the group consisting of the following: i) an indene-coumarone resin, ii) an aromatic hydrocarbon resin, and...

Company name: Dow Global Technologies Inc
Published On: Friday April 19th, 2013

 
SYSTEMS
Process for the preparation of low-viscosity, water-dilutable urethane (meth)acrylates

The present invention relates to a process for the preparation of highly reactive, low-viscosity and water-dilutable polyisocyanate reaction products which contain activated groups which react, by polymerization, with ethylenically unsaturated compounds under the action of actinic radiation. The present invention furthermore relates to a process...

Company name: Bayer Intellectual Property
Published On: Thursday April 18th, 2013

 
Process for the preparation of low-viscosity, water-emulsifiable allophanates with radiation-curable...

The present invention relates to a process for the preparation of low-viscosity polyisocyanate reaction products which contain allophanate groups, can be readily emulsified in water and contain activated groups which react, by polymerization, with ethylenically unsaturated compounds under the action of actinic radiation. The present invention...

Company name: Bayer Intellectual Property
Published On: Friday April 19th, 2013

 
SYSTEMS>> ADHESIVES>> PRESSURE SENSITIVE
Solid type rubber-based pressure-sensitive adhesive composition and pressure-sensitive adhesive...

The present invention relates to a solid type rubber-based pressure-sensitive adhesive composition, which is prepared by adding a tackifier, a softener, and an isocyanate-based crosslinking agent reactable with active hydrogen into an acrylic rubber containing a monomer having an active hydrogen-containing functional group as a copolymerization...

Company name: Nitto Denko Corporation
Published On: Friday April 19th, 2013

 
SYSTEMS>> COATINGS
Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon...

Company name: PPG Industries Ohio, Inc.
Published On: Friday April 19th, 2013

 
Polyurethanes, articles and coatings prepared therefrom and methods of making the same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon...

Company name: PPG Industries Ohio, Inc.
Published On: Friday April 19th, 2013

 
SYSTEMS>> COATINGS>> POWDER COATINGS
Aliphatic polycarbonates for use in thermosetting powder coatings

A thermosetting polymer material capable of being used in powder coatings. The thermosetting polymer material includes at least one hydroxyl functional aliphatic polycarbonates that is formulated and crosslinked with isocyanates to yield a thermoset organic coating material. These materials provide improved weatherability as compared to prior art...

Company name: Sabic Innovative Plastics
Published On: Friday April 19th, 2013

 
SYSTEMS>> BIOMATERIALS
Long term drug delivery devices with polyurethane based polymers and their manufacture

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

Company name: Endo Pharmaceuticals Solutions
Published On: Friday April 19th, 2013

 
Compounds for the synthesis of biostable polyurethane, polyurea or polyurea urethane polymers

The invention comprises compounds which are derived from a drug or a substance with therapeutic properties, and useful as reagents for the synthesis of biostable polymers including said drug in their backbone, namely polyurethanes, polyureas or polyurea urethanes that are biocompatible and biostable. The invention also comprises the processes for...

Company name: Iberhospitex
Published On: Friday April 19th, 2013

 
CASE>> ADHESIVES
Adhesive insect repellent strip

An adhesive insect repellent strip that provides a practical, effective, safer way to use plant-derived and synthetic chemical insect repellents, comprising an absorbent material layer affixed with polyurethane to an adhesive-backed foam mounting layer. An aluminum foil layer, secured between the polyurethane and adhesive-backed foam mounting...

Company name:
Published On: Thursday April 18th, 2013

 
Multilayer adhesive sheet and method for manufacturing electronic component

Provided is a multilayer adhesive sheet which enables easy separation between an adhesive layer and a die attach film during the pick-up even in cases where an acrylate ester copolymer is used in the die attach film, thereby making the pick-up work of semiconductor chips after the dicing easy. The multilayer adhesive sheet comprises a base film, an...

Company name: Denki Kagaku Kogyo Kabushiki Kaisha
Published On: Friday April 19th, 2013

 
Asphalt-based reactive polyurethane roof membrane adhesive

A cold applied adhesive that includes a blend of polyurethane pre-polymer, petroleum liquid and additive. The weight percent of petroleum liquid in the blend is less than 50 weight percent. The weight percent of polyurethane pre-polymer in the blend is less than 50 weight percent.

Company name: Garland Industries
Published On: Friday April 19th, 2013

 
CASE>> ADHESIVES>> LAMINATES
Laminated polyester film

The present invention provides a polyester film which can be suitably used as an antireflective film, an optical film, etc., and comprises a coating layer capable of exhibiting excellent easy-bonding property and weather-resistant bonding property with respect to various topcoat agents to be applied thereonto. The laminated polyester film of the...

Company name:
Published On: Friday April 19th, 2013

 
CASE>> SEALANTS
Electronic meter register and method having a bottom formed by sealing material

A sealed electronic meter register with no moving parts and no bottom wall or bottom cover includes a casing of plastic with an open bottom. A viewing window is snap fitted into a top wall of the casing. A gasket is placed on top of an electronic numerical display and under the viewing window. The display is placed on top of a frame that is...

Company name:
Published On: Friday April 19th, 2013

 
CASE>> ELASTOMERS>> TPU
Cross-linkable thermoplastic polyurethanes

The invention provides a cross-linkable mixture of thermoplastic polyurethanes and ethylenic unsaturated compounds and thermoset materials that can obtained therefrom. The invention also provides application of the cross-linkable mixtures and processes in a solvent-less coating process.

Company name:
Published On: Friday April 19th, 2013

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

Golf ball 2 has a spherical core 4, a mid layer 6 covering this core 4, a reinforcing layer 8 covering this mid layer 6, and a cover 10 covering this reinforcing layer 8. Base polymer of the mid layer 6 includes an ionomer resin as a principal component. The mid layer 6 has a hardness Hm as measured with a Shore D type hardness scale of equal to or...

Company name: Dunlop Sports
Published On: Friday April 19th, 2013

 
FINISHED PRODUCTS>> PACKAGING>> ELECTRONIC DEVICES
Case for enclosing a personal electronic device manufactured from a polyurethane or silicon compound...

A method for manufacturing a case with a cavity for retaining a personal electronic device is disclosed. The case comprises a thin film outer layer and a soft inner layer. The method employs a transparent mold that allows a reactive compound to be cured in the mold. The thin film outer layer may be preformed and placed in the mold or it may be...

Company name: Speculative Product Design
Published On: Friday April 19th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> WIRE & CABLE COATINGS
Halogen-free flame-retardant cable

A halogen-free flame-retardant cable includes a multi-core twisted wire including a plurality of insulated wires twisted together, the plurality of insulated wires each including a conductor and an insulation layer on an outer periphery of the conductor, an inner layer formed on an outer surface of the multi-core twisted wire, and an outer layer...

Company name: Hitachi Cable
Published On: Friday April 19th, 2013

 
SPANDEX
Spandex from poly(tetramethylene-co-ethyleneether)glycols blended with polymeric glycols

A polyurethaneurea composition comprises a reaction product of at least one diisocyanate compound, a polymeric glycol, a poly(tetramethylene-co-ethyleneether) glycol comprising constituent units derived by copolymerizing tetrahydrofuran and ethylene oxide (EO) wherein the portion of the constituent units derived from ethylene oxide is present in...

Company name: Invista North America
Published On: Friday April 19th, 2013

 
CHEMISTRY
Epoxy-functionalized perfluoropolyether polyurethanes

Disclosed are epoxy-functionalized perfluoropolyether polyurethane compounds having the following general structure (R.sub.fQX.sub.1C(O)NH).sub.m--R.sub.i--(NHC(O)X.sub.2Q(E).sub.o).sub.n wherein R.sub.f is a monovalent perfluoropolyether moiety; Q is independently a connecting group of valence at least 2, which may contain heteroatoms; X.sub.1 is...

Company name: 3M Innovative Properties Company
Published On: Friday April 19th, 2013

 
Tin free silyl-terminated polymers

Embodiments of the invention provide for methods of producing a composition comprising a crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule. The method comprises providing a polymer having at least one unsaturated group and at least one alcoholic hydroxyl group in each molecule, adding to the...

Company name: Dow Global Technologies
Published On: Friday April 19th, 2013

 
Silyl-terminated polymers

Embodiments of the invention provide for compositions including a crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule. The crosslinkable silane-terminated polymer comprises a reaction product of at least a isocyanate capped hydrosilylated polymer and a polyol having a nominal functionality of at...

Company name: Dow Global Technologies
Published On: Friday April 19th, 2013

 
Curable silyl polymers

Embodiments of the invention relate to crosslinkable silyl group-containing polymers and methods of producing them. In one embodiment a method of producing a silyl polymer is provided. The method includes reacting at least one natural oil based polyol with at least one isocyanate to form at least one prepolymer having at least one NCO group. The at...

Company name: Dow Global Technologies Inc
Published On: Friday April 19th, 2013

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Effects of expandable graphite and dimethyl methylphosphonate on mechanical, thermal, and...

Expandable graphite (EG) and dimethyl methylphosphonate (DMMP) were added to polyurethane to form flame-retardant high-resilience flexible polyurethane foam (FPUF) in one-step. The effects of EG and DMMP on cell morphology, mechanical properties, dynamic mechanical properties, thermal degradation, and flame-retardant properties of FPUF were...

Company name: Donghua University
Published On: Monday April 22nd, 2013

 
Investigating a Novel Flame Retardant Known as V6: Measurements in Baby Products, House Dust, and...

With the phase-out of polybrominated diphenyl ether (PBDE) flame retardants, the use of new and alternate flame retardants has been increasing. 2,2-bis(chloromethyl)propane-1,3-diyltetrakis(2-chloroethyl) bisphosphate, known as V6, is a flame retardant applied to polyurethane foam commonly found in furniture and automobile foam. However, to the...

Company name: Duke University
Published On: Monday April 22nd, 2013

 
PU RAW MATERIALS>> POLYOLS>> SOY BASED POLYOLS
Soy-Castor Oil Based Polyols Prepared Using a Solvent-Free and Catalyst-Free Method and...

Bio-based polyols from epoxidized soybean oil and castor oil fatty acid were developed using an environmentally friendly, solvent-free/catalyst-free method. The effects of the molar ratios of the carboxyl to the epoxy groups, reaction time, and reaction temperature on the polyols’ structures were systematically studied. Subsequently, polyurethane...

Company name: Iowa State University
Published On: Monday April 22nd, 2013

 
FOAMS
Composite MOF Foams: The Example of UiO-66/Polyurethane

Composite MOF foams were prepared using a direct synthesis of UiO-66 over a polyurethane foam template. Under optimized conditions, the composite materials maintained the macrostructure and flexibility of the polyurethane foam, and exhibited the microporosity, high surface area, and adsorption properties of the UiO-66. The composite MOF foam has...

Company name: University of Lisbon
Published On: Friday April 19th, 2013

 
CASE>> ELASTOMERS>> TPU
Thermal and mechanical properties of polyisobutylene‐based thermoplastic polyurethanes

We investigated thermal and mechanical properties of thermoplastic polyurethanes (TPUs) with the soft segment comprising of both polyisobutylene (PIB) and poly(tetramethylene)oxide (PTMO) diols. Thermal analysis reveals that the hard segment in all the TPUs investigated is completely amorphous. Significant mixing between the hard and soft segments...

Company name: University of Massachusetts Lowell
Published On: Friday April 19th, 2013

 
CASE>> COMPOSITES>> NANOMATERIALS
Modeling Diffusion in Foamed Polymer Nanocomposites

Two-way multicomponent diffusion processes in polymeric nanocomposite foams, where the condensed phase is nanoscopically reinforced with impermeable fillers, are investigated. The diffusion process involves simultaneous outward permeation of the components of the dispersed gas phase and inward diffusion of atmospheric air. The transient variation...

Company name: Indian Institute of Technology
Published On: Monday April 22nd, 2013

 
GREEN CHEMISTRY
Sustainable routes to polyurethane precursors

Environmentally friendly products and procedures are being developed both in industry and academia, mainly due to the depletion of fossil resources and the growing global awareness of the need to protect the environment. Thus, since polyurethanes represent a highly demanded class of polymers, straightforward, isocyanate and phosgene-free methods...

Company name: Karlsruhe Institute of Technology
Published On: Friday April 19th, 2013

 
 

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