search






 
    PU2PU
  Issue-305 - April 16, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> PLATICIZER
Emerald Kalama Chemical Announces Further Capacity Expansion to Support Growth of K-FLEX®...

Emerald Kalama Chemical, a division of Emerald Performance Materials, announced it has begun construction of a 60 per cent capacity expansion for K-FLEX® non-phthalate plasticizers at its Kalama, WA (USA) facility. The additional reactor capacity is scheduled to be commissioned in January 2013. This is the company’s second capacity expansion for...

Company name: Emerald Kalama Chemical
Published On: Tuesday April 10th, 2012

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Albemarle introduces next product in the Earthwise portfolio of sustainable, eco-friendly solutions

Albemarle Corporation, a leader in the development, manufacture and marketing of flame retardants, announced today that it has expanded its Earthwise(TM) platform of sustainable products by introducing a new polymeric flame retardant for use in extruded (XPS) and expanded (EPS) polystyrene applications. This new technology, licensed from Dow Global...

Company name: Albemarle Corporation
Published On: Thursday April 12th, 2012

 
PU RAW MATERIALS>> BLOWING AGENTS
Arkema to Display its Blowing Agents for PU Foams, DMSO Solvent & Other Products at UTECH 2012

With over 100 exhibitors and 90 technical conferences, UTECH Europe, the international reference tradeshow for the polyurethane industry, offers a unique opportunity to learn about the latest advances in the global polyurethane technology. Arkema will hold two conferences, while its stand will showcase four of its products used in the polyurethane...

Company name: Arkema
Published On: Friday April 13th, 2012

 
PU RAW MATERIALS>> CATALYSTS
The hunt for environmentally friendly polyurethane materials

Manufacturers of polyurethane (PU) materials are under increasing pressure to create additives which enable high quality production with fewer environmental emissions.One such company that appears to be leading the way is Air Products. The North American industrial gas firm has recently developed low emission non-fugitive catalysts. These catalysts...

Company name: Air Products and Chemicals, Inc
Published On: Wednesday April 11th, 2012

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
The Horn Company To Be Vertellus Authorized Distributor

Vertellus Specialties Inc., a leading manufacturer of castor oil, castor oil polyols and derivatives, is pleased to announce that, effective April 16, 2012, The Horn Company will be its authorized distributor in Texas, Louisiana, Arkansas, and Oklahoma.

Company name: Vertellus Specialties Inc
Published On: Tuesday April 10th, 2012

 
McCullough & Associates To Be Vertellus Authorized Distributor

Vertellus Specialties Inc., a leading manufacturer of castor oil, castor oil polyols and derivatives, is pleased to announce that, effective April 16, 2012, McCullough & Associates Distributors, Inc. will be its authorized distributor in Virginia, North Carolina, South Carolina, Georgia, Alabama, Mississippi, and Tennessee.

Company name: Vertellus Specialties Inc
Published On: Tuesday April 10th, 2012

 
SYSTEMS
Tailored PU Solutions: Inauguration Marks Opening of New Business Venture for Juffali and Dow

On March 28th, the new Arabian Chemical Polyurethane Systems House, a branch of Juffali Chemical Products Co. ,Ltd., was inaugurated in Jeddah with a ceremony attended by guests including customers from across Saudi Arabia and neighboring countries as well as business executives from The Dow Chemical Company and E.A. Juffali & Bros.. Special guests...

Company name: Juffali
Published On: Wednesday April 11th, 2012

 
SYSTEMS>> ADHESIVES>> DISPERSIONS
Waterborne dispersions offer high initial and final bond strengths and customizable formulations

Adhesive formulators always strive to provide high quality adhesives with strong bond and reliable processing. Replacing solvent-based adhesives with waterborne ingredients can provide improved performance, while meeting stricter environmental regulations. The Adhesive & Sealants Council's two-day short course on waterborne adhesives offers insight...

Company name: Bayer MaterialScience AG
Published On: Monday April 16th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
Spray Foam Distributors of New England Partners With Bayer for Applicator Instruction Program

It’s the home stretch for Bayer MaterialScience’s Spray Polyurethane Foam Applicator Program (AIP), with the final two programs on the 2012 agenda being held this month. The programs are designed as informational sessions with integrated hands-on learning experiences.“There was really a need for it in the industry to do these programs to make sure...

Company name: Bayer MaterialScience
Published On: Monday April 09th, 2012

 
Coastal to Host New Spray Polyurethane Foam Training Program

Coastal will be hosting an Air Barrier Association of America spray polyurethane foam installer training program.The course runs from April 30 – May 4, 2012, and was specifically designed for installers new to spray foam insulation. There will be classroom and hands-on sessions in order to provide installers with a foundation for SPF installation....

Company name: Coastal Spray
Published On: Wednesday April 11th, 2012

 
Spray foam offers an affordable option for housing developments

Housing development managers may be considering new ways to save money, especially in a challenging economic climate. Property supervisors can follow the example set by a Howard County, Maryland, community by installing energy efficient insulation in homes.The Cottages at Greenwood, a 10-home development that emphasizes an eco-friendly design,...

Company name: Icynene
Published On: Friday April 13th, 2012

 
Real estate professionals can enhance a home's appeal with spray foam insulation

Foam insulation delivers a variety of benefits, including some that may help make a property more attractive to potential home buyers.The U.S. housing market continues to gradually improve, but home sales remain slow in many areas. As a result, real estate professionals may seek new ways to enhance a property's value to help it appeal to...

Company name: Icynene
Published On: Friday April 13th, 2012

 
SYSTEMS>> COATINGS>> PHOTOSENSITIVE COATINGS
New UV-Curable Coating From Dow Automotive Replaces Ceramic Frit

Dow Automotive Systems (DA) has developed a new glass coating that provides an environmentally friendly and cost-effective solution for transportation applications, including automotive original equipment, commercial vehicles and the aftermarket. A paper by Syed Mahdi and Kiran Baikerikar on this innovative organic/inorganic coating will be...

Company name: Dow Automotive
Published On: Friday April 13th, 2012

 
SYSTEMS>> PRESSURIZED FOAMS
Hamil Selena - Pioneer of Polyurethane Form

For repairing window frames or filling the connection between insulation panels, all Korean companies formerly imported polyurethane form from European companies until the mid-1990s since no Korean company had the appropriate technology to produce them. “We were confident of developing polyurethane form because the company had many years of...

Company name: Hamil Selena
Published On: Tuesday April 10th, 2012

 
SYSTEMS>> PRESSURIZED FOAMS>> ONE COMPONENT FOAM
IAL Consultants is now offering its third edition report on the spray polyurethane foam industry

IAL is pleased to announce the publication of the third edition of its report on the rigid spray polyurethane foam markets. This edition looks at the growth seen in these markets in recent years and expectations of how the market will develop in the challenging economic circumstances.The leaflet in the following link is designed to provide you with...

Company name: IAL Consultants
Published On: Wednesday April 11th, 2012

 
CASE>> ADHESIVES
Garland Canada Offers Highly Elastomeric Roof Insulation Adhesive

Garland Canada, a provider of solutions for the commercial building industry, now offers Insul-Lock E HR, a highly elastomeric, foamable, VOC-compliant roof insulation adhesive. This material offers all the advantages of a two-component urethane adhesive. The product is formulated using 45% of renewable resources and this creates a new industry...

Company name: Garland Canada
Published On: Friday April 13th, 2012

 
CASE>> ELASTOMERS
Radtech UV & EB 2012 Technology Expo and Conference

Esstech is excited to announce that two of their own will be presenting the upcoming Radtech UV & EB show! Join us in Chicago and learn more about Esstech's latest technology, the EXOTHANE(TM) Elastomers as well as the fundamentals of UV-curable nail gel formulations.Dr. Mike Idacavage, Director, Business DevelopmentPresenting: Exothane(TM)...

Company name: Esstech
Published On: Friday April 13th, 2012

 
CASE>> ELASTOMERS>> TPU
Chinaplas 2012: BASF launches new generation of TPU solutions for a sustainable future

BASF, the world’s leading chemical company, will showcase innovative and energy efficient solutions in TPU (Thermoplastic Polyurethane) - Elastollan® NEX at Chinaplas, Asia's number one international plastics trade fair in Pudong, Shanghai. BASF will also showcase another sustainable TPU solution, Elastollan® N, which is based on renewable raw...

Company name: BASF Asia Pacific
Published On: Thursday April 12th, 2012

 
CASE>> COMPOSITES
Wind Turbine Researchers Land A Big One In Ohio

Case Western Reserve University is serious about wind power research—serious enough that one wind turbine wasn’t going to meet its needs. Nor were two, actually. No, the university needed—and recently got—a third wind turbine, a 1-megawatt model that gives Case and its institutional and industry partners a utility-scale power producer to go along...

Company name: Case Western Reserve University
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Hunter Panels Launches New Energy Efficient Exterior Continuous Insulation (Xci) Product Line for...

Hunter Panels, LLC, announces its new "Hunter Xci" product line for use in exterior commercial wall applications. The launch of the Xci product line advances Hunter's offerings to a full range of insulation products for the commercial building envelope."With recent upgrades to the I-Codes calling for continuous insulation, Hunter Polyiso is a...

Company name: Hunter Panels
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> MEDICAL>> CARDIAC-ASSIST DEVICES
St. Jude Stops Selling QuickSite Heart Wires After Defect Found

St. Jude Medical Inc. (STJ) will stop selling the QuickSite and QuickFlex left-ventricular leads, wires that help pace the heart in patients with heart failure, after 39 reports of the wires protruding from their insulation.No one has been harmed by the defect, first seen in wires removed from patients because of infection or other unrelated...

Company name: St. Jude Medical, Inc
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> FOOTWEAR
Desma Today Magazine now availabe

DESMA today is bi-annually published magazine that provides you with news and facts about DESMA and the shoe manufacturing industry. DESMA experts as well as guest authors report about new developments, techniques and materials research. Our aim is to build a communication-platform for all who are interested in our business.Desma Today available...

Company name: Desma
Published On: Wednesday April 11th, 2012

 
INDUSTRY UPDATE
Dow Formulated Systems Expands Innovation Capabilities

Dow Formulated Systems, a business unit of The Dow Chemical Company, has expanded its innovation capabilities at its Birch Vale facility in the United Kingdom, with a new state-of-the-art technical center to enable growth in engineering elastomers and other specialty polyurethane systems markets. The new application development and customer service...

Company name: Dow Formulated Systems
Published On: Friday April 13th, 2012

 
BASF India to set up Rs 1,000 crore chemical facility at Dahej

BASF India Limited will invest INR 1000 crores to set up a new chemical production site at the Dahej Petroleum, Chemicals and Petrochemicals Investment Region (PCPIR), located on the west coast of India in Gujarat. The new site will be an integrated hub for polyurethane manufacturing and will also house production facilities for care chemicals and...

Company name: BASF India
Published On: Wednesday April 11th, 2012

 
HEALTH & SAFETY
MAPEI shares its position on adhesives with MDI

MAPEI has written an open letter to the floor covering industry clarifying the company's position on polyurethane adhesives containing methylene diphenyl diisocyanate (MDI). The letter is published in full below:An Open Letter to the Floor Covering Industry Regarding MAPEI’s Position on the Subject of Polyurethane Adhesives Containing...

Company name: Mapei
Published On: Wednesday April 11th, 2012

 
Huntsman’s Auburn Hills Facility Receives OSHA'S CET Platinum Award

Huntsman Corporation was presented the CET Platinum Award by the Michigan Occupational Safety and Health Administration (MIOSHA) for its Auburn Hills facility’s outstanding safety and health record. The site has gone more than 15 years without a lost-time accident.“We are extremely proud of this award, which reflects our commitment to achieving...

Company name: Huntsman Polyurethanes
Published On: Wednesday April 11th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> OTHER
Polyurea sag control agent in polytrimethylene ether diol

The present disclosure relates to a sag control composition consisting essentially of the reaction product of an amine and a polyisocyanate and polytrimethylene ether diol. The sag control composition can be used for providing further compositions that have excellent sag resistance, especially on vertical surfaces. The sag control composition can...

Company name:
Published On: Wednesday April 11th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Process for producing polyether polyol and process for producing rigid foamed synthetic resin using...

Provided is a process for producing a polyether polyol which can form low viscosity rigid foamed synthetic resins excellent in strength, dimensional stability and flame retardancy, can give a low viscosity polyol system solution water instead of HFCs as a blowing agent with good miscibility with isocyanate compounds and can form good rigid foamed...

Company name: Asahi Glass Co Ltd
Published On: Thursday April 12th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Process for producing isocyanates

An isocyanate is produced by: (a) reacting chlorine with carbon monoxide to form phosgene, (b) reacting the phosgene with an organic amine to form an isocyanate and hydrogen chloride, (c) separating the isocyanate and hydrogen chloride, (d) optionally, purifying the hydrogen chloride, (e) preparing an aqueous solution of the hydrogen chloride, (f)...

Company name: Bayer MaterialScience AG
Published On: Wednesday April 11th, 2012

 
SYSTEMS>> ADHESIVES
Composite material comprising two or more superimposed layers of woods

The invention relates to a composite material having two or more superimposed wood layers. Said layers are joined together by means of a one component polyurethane adhesive containing a prepolymer having free NCO groups and a wood having a volume fraction of libriform fibres in the region of between 50-70% is used.

Company name: BASF SE
Published On: Wednesday April 11th, 2012

 
SYSTEMS>> COATINGS
Diethylene glycol monomethyl ether resistant coating

Diethylene glycol monomethyl ether resistant coatings include a base component including a sulfur-containing, epoxy functional polyol, and an activator component including an isocyanate curing agent.

Company name:
Published On: Wednesday April 11th, 2012

 
SYSTEMS>> COATINGS>> DISPERSIONS
Process for forming a waterborne composite polyurethane/acrylic polymer dispersion

The present invention provides a process for forming a waterborne composite polyurethane/acrylic polymer dispersion without the use of N-methyl pyrrolidone. The process includes polymerizing a reaction mixture of polyisocyanate, polyol, and a hydroxyl and carboxylic acid functional reactant in an organic solvent medium of alkyl carbonate, then...

Company name: PPG Industries
Published On: Wednesday April 11th, 2012

 
Dispersion of a polyurethane, containing a pesticide

The present invention relates to a method of applying an aqueous, pesticide-comprising dispersion of a polyurethane which is a reaction product of at least one polyol (A) and at least one polyisocyanate (B) to plants or plant parts. The invention furthermore relates to an aqueous pesticide-comprising dispersion of a polyurethane which is a reaction...

Company name: BASF SE
Published On: Wednesday April 11th, 2012

 
SYSTEMS>> BIOMATERIALS
Photo-activated attachment of cholesterol to polyurethane surfaces for adhesion of endothelial cells...

A polymer is provided according to structure (I) wherein Y is a thiol-reactive group selected from one or more of the following moieties and Z is an ionogenic group selected from one or more of the following moieties. The surface of a polymeric substrate is modified by contacting the surface with a polymer according to structure II or structure III...

Company name: The Children's Hospital of Philadelphia
Published On: Wednesday April 11th, 2012

 
FOAMS
Method for producing polyurethane foam

The invention relates to a method for producing polyurethane foams using ingredients containing at least one expanding agent consisting of halogen-containing (fluorine-containing) olefins and at least a siloxane having formula (I).

Company name: Evonik Goldschmidt
Published On: Wednesday April 11th, 2012

 
CASE>> ELASTOMERS>> TPU
Polyurethane on the basis of soft thermoplastic polyurethane

The invention relates to polyurethanes based on a thermoplastic polyurethane and an isocyanate concentrate having a functionality greater than 2 and less than 10 added to the thermoplastic polyurethane, wherein the hard phase content of the thermoplastic polyurethane is in the range from 0% to 5% and the isocyanate concentrate is added in an amount...

Company name: BASF SE
Published On: Wednesday April 11th, 2012

 
CASE>> ELASTOMERS>> TPU FILMS
Multilayer interlayer polymer film for fire-screen glazings and related fire-screen products

A multilayer interlayer polymer film for use within and a high clarity and high efficiency fire-screen glazing or related fire-screen product uses a particular ordering of layers. The ordering of layers includes: (1) a core layer comprising one of a sulfur containing thermoplastic polymer material and a fluorine containing thermoplastic polymer...

Company name: Liveglass
Published On: Thursday April 12th, 2012

 
FINISHED PRODUCTS
Method for the production of a sound insulation molding with mass and spring

The invention relates to a method of producing a sound insulation molding with mass (2) and spring (3), wherein both mass (2) and spring (3) are produced on the basis of the same material, in particular polyurethane. For the formation of a mass, reaction substances and fillers are brought into a mold, in particular sprayed in or injected, and...

Company name: Stankiewicz
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> AUTOMOTIVE>> AIRLESS TIRES
Method of manufacturing a new airless or pneumatic tire having a reinforced rubber structure and a...

A method of manufacturing a new tire having a reinforced rubber structure and a polyurethane tread.

Company name:
Published On: Wednesday April 11th, 2012

 
Tire having a colored surface

A tire includes at least one outer structural element, wherein the at least one outer structural element is at least partially coated by at least one colored coating layer including a colored composition including (a) 5% by weight to 50% by weight with respect to the total weight of the dry colored composition, of at least one crosslinked polymeric...

Company name: Pirelli Tyre
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SOUND INSULATION
Method for improving sound damping performance for automotive interior applications

The present invention provides a method for improving damping performance and viscoelastic response in a vehicle interior part, the method involving including a thermoplastic blend in the part, wherein the thermoplastic blend contains 50 to 70 percent by weight of a thermoplastic aromatic polycarbonate and 5 to 10 percent by weight of a...

Company name: Bayer MaterialScience
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> BEDDING
Neck and head support pillow

An adjustable head support pillow for supporting the head of a person during sleep or rest either in lying or sitting position, the support pillow comprising a base mat, a neck support member and a pair of parallel side support members arranged transversely to the neck support member. The neck support member and side support members are detachably...

Company name:
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Iron golf club with improved mass properties and vibration damping

A golf club is provided having improved playing characteristics based upon a multiple material construction. This construction involves a club body in combination with a face insert that defines a hollow channel therebetween. This hollow channel is substantially filled with a heterogeneous viscoelastic material, such as urethane containing tungsten...

Company name: Cobra Golf
Published On: Wednesday April 11th, 2012

 
Multi-piece golf ball comprising low hardness gradient core

A golf ball includes a single core formed from a substantially homogenous rubber composition, an inner cover disposed about the core, and an outer cover. The inner cover includes an ionomeric material and has a hardness of about 60 Shore D or greater. The outer cover layer is disposed about the inner cover layer, is formed from a castable polyurea...

Company name: Acushnet Company
Published On: Wednesday April 11th, 2012

 
Golf balls having a low modulus hnp layer and a high modulus hnp layer

The present invention is directed to golf balls comprising a dual-layer core and a cover. The core comprises a center formed from a high modulus HNP composition, and an outer core layer formed from a low modulus HNP composition. Low modulus HNP compositions of the present invention have a modulus of from 1,000 psi to 50,000 psi. High modulus HNP...

Company name:
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> PETROCHEMICAL - OIL FIELD>> OIL ABSORPTION
Process of manufacturing oil adsorption foaming sheet using peat moss

Provided is a process of manufacturing an oil adsorption foaming sheet for preventing or recovering pollution of ocean or soil by oil or hydrocarbon. The oil adsorption foaming sheet is manufactured by mixing polyurethane prepolymer with refined peat moss, lecithin as a dispersion and surfactant agent, N-methylmorpline as a foaming agent, and...

Company name:
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> MEDICAL>> CARDIAC-ASSIST DEVICES
Pacemaker lead and method of making same

An improved pacemaker lead including a lead body supporting at least one flexible conductor element that provides an electrical signal path between a proximal connector element and a distal electrode. The lead body includes an insulating structure that protects the flexible conductor element(s) wherein the insulating structure is realized from a...

Company name: Innovia
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> OPTICAL MATERIALS
Optical article comprising an external water- and/or oil-repellent coating coated with a temporary...

The present invention relates to an optical article comprising on one of the main surfaces thereof an external water- and/or oil-repellent coating, characterized in that a temporary coat of a dried polyurethane latex-based composition is directly deposited onto the external water- and/or oil-repellent coating.

Company name: Essilor International
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> OPTICAL MATERIALS>> LENS
Method for producing laminate

The invention intends to provide a method for preventing deterioration in quality of the primer layer resulting from spinning-off and reattachment of a primer liquid on forming a polyurethane primer layer on a substrate for an eyeglass lens or the like using a coating composition containing a moisture-curing polyurethane resin. The method for...

Company name: Tokuyama
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL
CMP Retaining Ring with Soft Retaining Ring Insert

A wafer carrier adapted to further reduce the edge effect and allow a wafer to be uniformly polished across its entire surface, with a retaining ring made from very hard materials such as PEEK, PET or polycarbonate with a hardness in the range of 80 to 85 Shore D, while the inner surface or insert is made of polyurethane or other material with a...

Company name:
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> FOOTWEAR
Shoe having an inflatable bladder

An article of footwear including a sole and an upper with an exterior and interior surface, and one or more bladders which comprises at least one of the exterior or interior surfaces of the upper. The bladder comprising sheets of polyurethane or polyester film attached together to form an airtight seal. The article of footwear also includes a...

Company name: Reebok International
Published On: Wednesday April 11th, 2012

 
CHEMISTRY
Curable compositions and methods of catalyzing chemical reactions

Methods of catalyzing chemical reactions are provided. A tri-substituted phosphine having at least one substituent that is an alkyl group is added as a catalyst to reaction mixtures. Reaction mixtures contain uretdiones, anhydrides, or isocyanate functional materials including isocyanurates, in various combinations with hydroxyl, thiol, and/or...

Company name: PPG Industries Ohio, Inc.
Published On: Wednesday April 11th, 2012

 
Sulfur containing fluoroalkyl amines and isocyanates

The present invention provides a method of making sulfur containing fluoroalkyl amines which overcomes the problems of previously known methods. Sulfur containing fluoroalkyl amines are useful as intermediates for compounds which are in turn useful for imparting water and oil repellency to textiles. Sulfur containing fluoroalkyl amines used in this...

Company name: E I du Pont de Nemours & Company
Published On: Wednesday April 11th, 2012

 
Multifunction urethane monomer, method of manufacturing the monomer and photosensitive resin...

Disclosed is a multifunctional urethane monomer prepared by reacting (a) an epoxy compound having two or more epoxy groups, (b) a diol compound having an acidic group and (c) a compound having an ethylenically unsaturated group and an isocyanate group with one another. The photosensitive resin composition comprising the multifunctional urethane...

Company name: LG Chem
Published On: Wednesday April 11th, 2012

 
Curable polymer concrete mixture

A curable polymer mixture comprising 1.) at least one at least oligomeric addition product a) of at least one amino silane and/or thiosilane having at least one hydrolysable silane group to at least one compound having at least two terminal, ethylenically unsaturated double bonds, and/or at least one at least oligomeric addition product b) of at...

Company name: BYK-Chemie
Published On: Wednesday April 11th, 2012

 
RESINS
Solid polymeric substrate having adherent resin component derived from curable silylated...

A solid polymeric substrate having a resin derived from curable silylated polyurethane composition exhibiting superior properties adhered thereto. The silylated polyurethane is prepared by reacting a polyol component with a diisocyanate component to form a hydroxyl-terminated prepolymer and endcapping the prepolymer with an isocyanate silane.

Company name: Momentive Performance Materials
Published On: Wednesday April 11th, 2012

 
Halogen-free prepreg and resin for preparing the same

A composition for preparing a halogen-free resin is provided, the composition including a halogen-free phosphorated epoxy, a urethane-modified copolyester, a curing agent, a filler, a surfactant, and a solvent. A halogen-free prepreg is also provided, including a glass fabric cloth and a halogen-free resin layer on the glass fabric. The...

Company name: ITEQ
Published On: Wednesday April 11th, 2012

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> ADHESIVES>> BINDERS
Comparison of a new, green foundry binder with conventional foundry binders

Metalcasting within the United States aims to meet ever-more stringent environmental standards as new process technologies are developed. Conventional foundry core binders are responsible for up to 70% of a foundry's volatile organic compound (VOC) emissions. New core binder technologies are essential for environmental sustainability within...

Company name: Lehigh University
Published On: Thursday April 12th, 2012

 
SYSTEMS>> ADHESIVES>> PRESSURE SENSITIVE
Effect of tackifier and crosslinkers on electron beam curable polyurethane pressure sensitive...

Polyurethane based pressure sensitive adhesive using monofunctional urethane acrylate and difunctional urethane acrylate has been made using electron beam irradiation. The effect of varying electron beam doses on the adhesion properties viz., peel adhesion, shear adhesion and initial tack has been studied. Effect of tackifier and crosslinkers viz.,...

Company name: Shriram Institute for Industrial Research
Published On: Thursday April 12th, 2012

 
SYSTEMS>> COATINGS
Comparison of the protection effectiveness of acrylic polyurethane coatings containing bark extracts...

High temperature heat-treatment of wood is a very valuable technique which improves many properties (biological durability, dimensional stability, thermal insulating characteristics) of natural wood. Also, it changes the natural color of wood to a very attractive dark brown color. Unfortunately, this color is not stable if left unprotected in...

Company name: Université du Québec a Chicoutimi
Published On: Thursday April 12th, 2012

 
Enhancing the Fouling Resistance of Biocidal Urethane Coatings via Surface Chemistry Modulation.

A group of novel cross-linked polyurethane materials with varying ratios of hydroxyl-terminated macrodiols and tethered quaternary ammonium biocides have been prepared. The resulting materials had a wide range of thermal, mechanical, and surface properties, dictated by the macrodiol composition and biocide concentration. The complex interplay...

Company name:
Published On: Thursday April 12th, 2012

 
CASE>> COMPOSITES
Construction and characterization of stainless steel/polyurea/E-glass composite joints

This work was motivated by the desire to improve the long-term durability of E-glass/Hysol 9394 epoxy/Al-6XN stainless steel joints whose fracture energy in a previous study was shown to fall from ∼950 J/m2 (ambient) to a mere ∼88 J/m2 after only two days of exposure to a 90%RH, 50 °C environment. This paper reports a new polyurea...

Company name: University of California-Los Angeles
Published On: Wednesday April 11th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING
Bituminous polyurethane foams for building applications: Influence of bitumen hardness

Bitumen source is a key factor in the development of new bituminous products, such as dimensionally stable bituminous polyurethane foams, for building applications. With this aim, three neat bitumen samples, with very different chemical compositions and penetration grades, were modified with a reactive polymer, synthesized from the reaction of...

Company name: Universidad de Huelva
Published On: Thursday April 12th, 2012

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC
Fundamentals, processes and applications of high-permittivity polymer–matrix composites

There is an increasing need for high-permittivity (high-k) materials due to rapid development of electrical/electronic industry. It is well-known that single composition materials cannot meet the high-k need. The combination of dissimilar materials is expected to be an effective way to fabricate composites with high-k, especial for high-k...

Company name: University of Science & Technology Beijing
Published On: Wednesday April 11th, 2012

 
HEALTH & SAFETY
Biomonitoring Hexamethylene Diisocyanate (HDI) Exposure Based on Serum Levels of HDI-Specific IgG.

Objectives: Isocyanate chemicals essential for polyurethane production are widely used industrially, and are increasingly found in consumer products. Asthma and other adverse health effects of isocyanates are well-documented and exposure surveillance is crucial to disease prevention. Hexamethylene diisocyanate (HDI)-specific serum immunoglobulin G...

Company name: Yale University School of Medicine
Published On: Wednesday April 11th, 2012

 
RECYCLIBILITY
An empirical modelling of porous sound absorbing materials made of recycled foam

Polyurethane foam waste is one of the residues of the manufacturing processes in textile industry, the disposal of which is becoming a severe environmental problem. In this paper the sound absorption properties of different materials developed from ground polyurethane foam waste are studied. Because these recycled materials exhibit good sound...

Company name: University of Valencia
Published On: Wednesday April 11th, 2012

 
 

Copyright © PU2PU 2013 | The Polyurethane Newsletter - Issue | Urethane Update - Issue | Contact us

You are subscribed to the PU Newsletter mailing list. Click to UNSUBSCRIBE your address. PU2PU comply with the CAN-SPAM Act of 2003. For more information, please read our PRIVACY POLICY. If you have any questions about subscription to this list, contact us at: subscriptions@pu2pu.com