search






 
    PU2PU
  Issue-296 - February 13, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS
Emerging Technologies from Cytec at PAINTINDIA 2012

Cytec Industries Inc. will feature its new and emerging technologies and products at PAINTINDIA to be held in Mumbai from 23rd to 25th February 2012 at the Bombay Exhibition Centre. Cytec will showcase the following products at Cytec Booth No. G1, Hall 1 :EBECRYL™ 8100 aliphatic urethane acrylate for radiation curable hardcoat application with...

Company name: Cytec Surface Specialties Austria
Published On: Friday February 10th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Stepan Announces March 1, 2012 Aliphatic Polyol Price Increase for the Americas

Effective March 1, 2012 Stepan will increase prices for all aliphatic STEPANPOL® Polyester Polyols in North and South America by $0.05 per pound. The increase is necessary due to rising raw material costs.

Company name: Stepan Company
Published On: Tuesday February 07th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Nigerian TDI demand in 2012 to stay relatively flat from 2011

Toluene di-isocyanate (TDI) demand in Nigeria is expected to remain relatively unchanged in 2012, as compared with last year, largely because of the limited buying power of end-consumers despite steady gross domestic product (GDP) growth, sources said on Wednesday. Market players estimated the TDI demand in Nigeria - Africa’s largest market for TDI...

Company name: ICIS Chemical Business
Published On: Wednesday February 08th, 2012

 
SYSTEMS>> ADHESIVES
Tight as a drum

Chemicals, foodstuffs, cleaning agents and aromatic substances are kept, transported and stored in drums and containers. Bayern-Fass supplies the industry mainly with reconditioned drums, IBCs and canisters. In future, the family company will also manufacture new drums made of steel at its site in Aichach. This new product range of 200-litre drums...

Company name: RAMPF-Gruppe
Published On: Monday February 06th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
PU Magazine Delivers Global Spray Foam Market Review for 2011

During an important General Session at the 2012 SPFA Convention last week, Angela Austin delivered the Global Spray Foam Market Review for 2011. Austin is the Consulting Editor of Polyurethanes Magazine International, which is based out of Germany. Her presentation provided an all-inclusive report on trends and issues affecting the global SPF...

Company name: PU Magazine International
Published On: Wednesday February 08th, 2012

 
Spray Foam Insulation, An Army Favorite

It's official, the U.S. Army is using spray foam insulation to keep heat outside their tents. This comes as an effective solution on the excessive heat of U.S. Army tents located in Iraqi deserts. Temperatures in this Middle-East country could reach to a scorching 130 degrees Fahrenheit, so much for white soldiers to bear. In fact, even...

Company name: RetroFoam
Published On: Wednesday February 08th, 2012

 
DIY Helps Spray Insulation Become a Household Term

When one first hears about spray foam insulation, the automatic thing that comes to mind is convenience and ease. Turns out the best thing about it is that it works even better than regular, more complicated insulation.The new product has been featured of late on the DIY (Do-It-Yourself) Network and is making great noise despite being around for...

Company name:
Published On: Thursday February 09th, 2012

 
Ultimate Linings Best Polyurea Spray Coatings

Polyurea is a coatings, lining and joint sealant technology. It is being used successfully for any different applications today. Polyurea coatings and linings are more commonly applied over concrete and steel for corrosion protection and abrasion resistance. They also have tremendous advantages over conventional materials for joint fill and caulk...

Company name: Ultimate Linings
Published On: Friday February 10th, 2012

 
SYSTEMS>> ELASTOMERS>> CAST
Bright profile letters with casting resins of the series VT 3402 KK-NV and BV 3412

A reliable use of LEDs in outdoor areas is achieved by encapsulating them with crystal-clear casting resins of the series VT 3402 KK-NV and the bright coloured castings resins of the series BV 3412.Thanks to their extremely high transparency even under weathering and UV radiation, the casting resins of the series VT 3402 KK-NV can be used in...

Company name: Lackwerke Peters
Published On: Monday February 06th, 2012

 
SYSTEMS>> PRESSURIZED FOAMS
SprayFoam.com Catches Up With Touch n Seal

While cruising the expo hall at the SPFA Convention last week, SprayFoam.com stopped by the Touch ‘n Seal booth and briefly caught up with Michael Sites, Marketing Manager for Convenience Products. Sites is a regular at the annual gathering of the spray foam industry “who’s who”, and he noted that this year boasted a swell in attendees. “I’ve seen...

Company name: Convenience Products
Published On: Thursday February 09th, 2012

 
Spit Launch New B1 And B3 Expanding Polyurethane Foams

Spit are continuing to add to their range with the introduction of their new B1 and B3 Expanding Polyurethane Foams, which improve on the previous foams that were available in the past. The B1 Foam is fire rated to EN1366 conformities by the Warrington Fire Institute, and provides 4 hours fire resistance without the requirement for over-capping. It...

Company name: ITW Construction Products
Published On: Friday February 10th, 2012

 
New GREAT STUFF Pestblock Insulating Foam Sealant

Dow Building Solutions today introduced GREAT STUFF™ Pestblock Insulating Foam Sealant, a distinctive, pesticide-free foam specially designed to seal homes against insects and other pests as well as reduce air leakage.GREAT STUFF™ Pestblock provides a long-lasting, moisture resistant foam barrier that blocks out pests by sealing gaps, cracks and...

Company name: Dow Building Solutions
Published On: Saturday February 11th, 2012

 
FOAMS
Urethane Foam Manufacturing in the US - Industry Risk Rating Report - new industry profile report

This Industry Risk Ratings report from IBISWorld evaluates the inherent risks associated with the Urethane Foam Manufacturing in the US industry. Industry Risk is assumed to be 'the difficulty, or otherwise, of the business operating environment'.The report looks at the operational risk associated with this industry. Three types of risk are...

Company name: Companiesandmarkets.com
Published On: Tuesday February 07th, 2012

 
CASE>> COATINGS
Global Surge Seen in Coating Demand

Rebounding global construction and manufacturing will spur steadily growing demand for paint and coatings through 2015, a new market forecast reports.Global demand should surge by 5.4 percent per year, to 45.6 million metric tons, in 2015, according to World Paint & Coatings, a new study from The Freedonia Group Inc., a Cleveland-based industry...

Company name: The Freedonia Group
Published On: Sunday February 12th, 2012

 
New Rule Snarling Coating Shipments

What began as a small technical tweak has morphed into a big headache for trucked shipments of coatings around North America.Swept up in a law of unintended consequences, coatings manufacturers are reporting “delays and difficulties” in product shipments, including drivers being ticketed, due to a recent change in the regulatory definition of a...

Company name: The American Coatings Association
Published On: Sunday February 12th, 2012

 
CASE>> COMPOSITES
Boeing Presents Performance Excellence Award to General Plastics

General Plastics Manufacturing, a developer and manufacturer of high-density polyurethane foam products, has been presented a Boeing Performance Excellence Award for the year 2011.Boeing presents the annual award to felicitate suppliers who have delivered superior performance. General Plastics has achieved a Silver composite performance rating for...

Company name: General Plastics
Published On: Tuesday February 07th, 2012

 
PROCESSING EQUIPMENTS - PRODUCTION
ProMix delivers 2K water-based coatings for an automotive supplier

An industrial plastic and automotive supplier for PSA had an old painting plant consisting of a robot and old competitive 2K equipment that used gear pumps and old spray guns. The system could not produce the newly, customer approved 2K water-based materials, mostly due to an isocyanate B component. A whole new paint supply system was needed with a...

Company name: Graco
Published On: Monday February 06th, 2012

 
Graco Announces the launch of a New Product - E-30i and E-XP2i

Graco is excited to announce the launch of a new integrated line of proportioning systems, the Reactor E-30i and E-XP2i.The E-30i will be available for sale February 13, 2012. The E-XP2i will be available for sale in early March, look for a separate communication when it becomes available.The Reactor E-30i and E-XP2i are designed with Graco's...

Company name: Graco
Published On: Friday February 10th, 2012

 
PROCESSING EQUIPMENTS - PRODUCTION>> RIGID FOAM>> SPRAY
Coastal Announces New Partnership with Polyurethane Machinery Corp

Coastal’s new relationship with Polyurethane Machinery Corporation (PMC) will improve its productivity on spray foam jobs, allowing more projects to be completed even faster.PMC supplied Coastal with one of their new “Classic” PH Series hydraulic proportioners, which Coastal added to one of their spray foam rigs as a second proportioner, increasing...

Company name: Coastal Spray
Published On: Monday February 06th, 2012

 
FINISHED PRODUCTS>> MILITARY
SKYDEX Signs $5.3 Million in New Contracts for Its Blast-Mitigating Convoy Deck, Boat Decking in...

SKYDEX Technologies – the industry leader in creating innovative technologies that mitigate shock, vibration and energy forces for the most demanding military applications – has signed multiple contracts with manufacturers, government agencies and retail distributors in the month of January valued at more than $5.3 million. SKYDEX entered into...

Company name: Skydex Technologies
Published On: Wednesday February 08th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> HOSES & TUBING
Masterflex Develops Flame Resistant Hose Series Master-PUR MHR se acc. to DIN 5510-2

Masterflex AG starts 2012 with the development of an innovative new hose series for the field of PU suction and blower hoses, which, due to its accreditation of the DIN 5510-2 standard, is especially suitable for applications in railed vehicles. The new Master-PUR L/H MHR se hoses made from special polyurethane can be applied for ventilation in...

Company name: Masterflex
Published On: Saturday February 11th, 2012

 
INDUSTRY UPDATE
European chemical sites and clusters are enjoying increased funding after the post-crash slump

Many of Europe's chemical sites are now attracting levels of investment similar to those before the 2008 financial crisis, with some even exceeding figures of five years ago.Despite looming threats of a double-dip ­recession across much of Europe in the wake of the euro crisis, there is a renewed optimism among sites, particularly in northern...

Company name:
Published On: Monday February 13th, 2012

 
NEW to YouTube: The RAMPF Corporate Sound

A comfy and stylish red couch stands in the foyer of RAMPF, specialist in the development of reactive resins made of polyurethane, epoxy and silicon and a leading manufacturer of materials for modelling and mould engineering. The red couch at RAMPF symbolises a module within the family-run company’s innovation management strategy. It is an integral...

Company name: RAMPF-Gruppe
Published On: Friday February 10th, 2012

 
BYK Additives & Instruments opens laboratory in Dubai

The Arab Gulf states with the commercial metropolis Dubai are today one of the fastest expanding markets in the world. There is a dynamic at work here that only compares with what is happening in China and India.With lab opening in Dubai, BYK Additives & Instruments has laid the foundations for providing effective local support for its Middle East...

Company name: BYK-Chemie
Published On: Friday February 10th, 2012

 
Rival ‘Vigorously’ Pressing Graco Suit

While Graco Inc. prepares to parry federal antitrust action aimed at stopping its takeover of ITW Finishing, an industry competitor is “vigorously” pushing its own antitrust lawsuit against the nation’s largest spray equipment maker.Polyurethane Machinery Corp. (PMC), based in Lakewood, NJ, has announced that “it continues vigorously to pursue its...

Company name: Graco
Published On: Friday February 10th, 2012

 
Garland Recognized as Innovative Manufacturer

Garland recently received three honors for innovation. The 2011 eVolution of Manufacturing Award recognizes Garland’s ability to adapt manufacturing methods to the changing global marketplace. Also, two Garland products received honorable mentions from Architectural Products magazine’s Product Innovation Awards (PIA 2011). They were: Garland’s...

Company name: Garland Company Inc
Published On: Tuesday February 07th, 2012

 
Concourt to clarify competition law

The Constitutional Court will hear argument on Tuesday, February 07, 2012 on the Competition Commission’s application for leave to appeal against a judgment of the Competition Appeal Court (CAC), the court said on Monday. The commission wants to add the name of another company in a complaint of anti-competitive behaviour in the polyurethane foam...

Company name:
Published On: Monday February 06th, 2012

 
RESINS
Reichhold Announces List and Off-List Price Increases for Coating Resins Sold in North America

Reichhold, Inc. announces a general price increase today of 5% on all solvent borne, water reducible and 100% solids alkyd, polyester and urethane resins. This increase is effective for all orders shipped on or after March 1, 2012 or as contracts allow.

Company name: Reichhold
Published On: Wednesday February 08th, 2012

 
PEOPLE
Huntsman Corporation Announces Appointment of Jon Huntsman, Jr. as New Board Member

Huntsman Corporation today announced the appointment of Jon Huntsman, Jr. as a new director to its Board of Directors effective February 1, 2012.Jon Huntsman, Jr., age 51, most recently was a candidate for the Republican nomination for the President of the United States. He suspended his campaign less than a month ago. Mr. Huntsman's public...

Company name: Huntsman International LLC
Published On: Monday February 06th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> DISPERSANTS
Urea-terminated polyurethane dispersants

The present invention relates to urea-terminated polyurethanes dispersants based on diols and polyether diols, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants. The urea...

Company name:
Published On: Thursday February 09th, 2012

 
PU RAW MATERIALS>> CATALYSTS
Catalyst composition for production of rigid polyurethane foam and isocyanurate-modified rigid...

An object of the present invention is to provide a catalyst for producing a rigid polyurethane foam and an isocyanurate-modified rigid polyurethane foam excellent in storage stability in the case that water is contained as a blowing agent, and a raw material-blended composition using the same. In the present invention, a catalyst composition...

Company name: Tosoh Corporation
Published On: Thursday February 09th, 2012

 
PU RAW MATERIALS>> POLYOLS>> OTHER
Process for producing bis-alkoxylated diols of bisphenol a from spent polycarbonate discs(PC) or PC...

This invention provides one-pot reaction for digesting polycarbonate waste with alkylene glycol in the presence of a basic catalyst at 180.degree. C. under normal atmospheric pressure. The digested product mixture was found to consist of bisphenol A (BPA) and monoalkoxylated and bisalkoxylated diols of BPA. Alkoxylation of BPA and monoalkoxylated...

Company name: National Chung-Hsing University
Published On: Wednesday February 08th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Process for the preparation of polyisocyanates and use thereof

The invention relates to a process for isocyanate modification which includes reacting a) at least one organic isocyanate having an NCO functionality greater than or equal to 1, b) a catalyst comprising at least one phosphonium salt comprising at least one cycloalkyl substituent bonded directly to a P atom of a phosphonium cation, c) optionally a...

Company name: Bayer MaterialScience AG
Published On: Thursday February 09th, 2012

 
PU RAW MATERIALS>> PREPOLYMERS
Process for the production of stable polymers

Stable NCO prepolymers are produced from polyisocyanates having a melting point greater than 70.degree. C., preferably, naphthalene diisocyanate, having advantageous physical properties. An important feature of the process of the present invention is the rapid cooling of the prepolymer. The process of the present invention may be carried out on a...

Company name: Bayer MaterialScience LLC
Published On: Wednesday February 08th, 2012

 
SYSTEMS>> ADHESIVES
Curable resin composition

Disclosed is a moisture-curing type curable resin composition containing: a curable resin intramolecularly having a silicon-containing functional group; and a Lewis acid or a complex of the Lewis acid as a curing catalyst, the Lewis acid being selected from the group consisting of metal halides and boron halides, which is rapidly cured at room...

Company name: Konishi
Published On: Wednesday February 08th, 2012

 
Method and device for handling bone adhesives

A bone adhesive application device has a pliable structure with an application surface upon which a bone adhesive may be applied. The application surface has a surface energy substantially equal to or less than a surface energy of the bone adhesive to reduce adhesion between the bone adhesive and the bone adhesive application device. The bone...

Company name: Doctors Research Group
Published On: Thursday February 09th, 2012

 
SYSTEMS>> COATINGS>> DISPERSIONS
Polyurethane dispersion, method of producing the same, coated articles, and method for coating...

The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method for coating articles. The polyurethane dispersion according to the present inventions includes (a) one or more polyurethane units derived from one or more prepolymers wherein the one or more prepolymers comprise the reaction product of a...

Company name: Dow Global Technologies Inc
Published On: Thursday February 09th, 2012

 
FOAMS
Multicomponent, in situ foaming system for the preparation of interpenetrating polymeric networks...

A multicomponent, in situ foaming system is described for the preparation of interpenetrating polymeric networks of foamed polyurethane and at least one further polymer for in situ construction purposes with a polyisocyanate component (A) and a polyol component (B) for forming the polyurethane, and further components (C) and (D) for forming the...

Company name:
Published On: Thursday February 09th, 2012

 
CASE>> COATINGS>> PAINTS
Water-free high-solids base paints, the production thereof and the use thereof for producing...

A waterless high-solids basecoat material having a solids content of at least 35% by weight, comprising (a) 1% to 10% by weight of at least one polyester binder with an acid number of at least 20 mg KOH/g, (b) 10% to 30% by weight of at least one acrylate binder, (c) 12% to 30% by weight of at least one kind of polymer microparticles, (d) 9.5% to...

Company name: BASF Coatings AG
Published On: Thursday February 09th, 2012

 
CASE>> ADHESIVES
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: Wednesday February 08th, 2012

 
CASE>> COMPOSITES
Process for preparing a reinforced and reactive thermoplastic composition, and this composition

The invention relates to a process for preparing a reinforced and reactive thermoplastic composition having a continuous phase which is based on at least one thermoplastic polymer and dispersed in which is a discontinuous phase based on at least one reactive reinforcing agent that may be immiscible with said at least one thermoplastic polymer, and...

Company name: Hutchinson
Published On: Thursday February 09th, 2012

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> POLISHING PAD
Frictional holding pad

A frictional holding pad removably attaches handheld items, such as a cell phone, to a surface, such as a dash, to allow storage of handheld items on the surface with the pad to prevent the items from shifting or sliding due to the movement of the support surface. A smoother application side of the pad clings to the handheld item by specific or...

Company name: American Covers
Published On: Wednesday February 08th, 2012

 
FINISHED PRODUCTS>> COLD STORAGE & REFRIGERATION
Wall structure of large-sized refrigerated storage and construction method thereof

A wall structure of a large-sized refrigerated storage and a construction method thereof are provided. The wall structure comprises an interior wall board (1), an exterior wall board (2) and a skeleton positioned between the interior wall board (1) and the exterior wall board (2). A polyurethane foam plastic (7) is filled between the interior wall...

Company name:
Published On: Thursday February 09th, 2012

 
FINISHED PRODUCTS>> PRINTING
Developing device and image-forming apparatus

Embodiments relate to a developing device for use in an image-forming apparatus including a developing roller having a conductive base surface which may be covered with a resin layer containing an ion conductive material and a silicone-modified urethane resin having an ether structure. The resin layer may be a product of a crosslinking reaction of...

Company name: Kyocera Mita
Published On: Wednesday February 08th, 2012

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Castable polyurea compositions for golf ball covers

Disclosed herein is a golf ball having improved cut and shear resistance. Such gold balls comprise a core, an inner cover layer, and an outer cover layer, the outer cover layer being formed from a polyurea or poly(urea-co-urethane) comprising: 1) a polyurea prepolymer comprising: the reaction product of at least one first polyisocyanate, wherein...

Company name: Dow Global Technologies Inc
Published On: Wednesday February 08th, 2012

 
FINISHED PRODUCTS>> FOOTWEAR>> SOLING
Foldable shoe having a multiple durometer sole

A multi-durometer foldable shoe sole and method of creating multiple durometer compositions, including shoe soles. In a preferred embodiment, a shoe sole is created with two different durometer polyurethane compositions, one of which has hardness of 10 Shore A durometers and one of which has a hardness of 90 Shore A durometers. The shoe sole itself...

Company name:
Published On: Thursday February 09th, 2012

 
BINDERS
Layer and structure using composition of conductive polymers

Provided are a polymer layer using a conductive polymer solution composition and a film or sheet structure using the polymer layer. On a film or sheet substrate, an organic polymer layer of polyurethane, acryl, polyester or melamine with superior flexibility and durability is formed, and then a polythiophene-based conductive polymer layer including...

Company name:
Published On: Thursday February 09th, 2012

 
SPANDEX
Fusible bicomponent spandex

Included are multiple component elastic fibers prepared by a solution-spinning process such as dry spinning or wet spinner of spandex fibers including polyurethaneurea and polyurethane compositions. These fibers have a cross-section including at least two separate regions with definable boundaries wherein at least one region defined by the...

Company name: Invista North America
Published On: Thursday February 09th, 2012

 
CHEMISTRY
Room temperature curable silicon group-containing polymer composition

Disclosed is a room temperature curable silicon group-containing polymer composition containing a reactive silicon group-containing polymer (A) having a group represented by the formula (1) at an end of the main chain, which is obtained through a reaction between a polyoxypropylene polyol and a .gamma.-isocyanate propyltrialkoxysilane, a curing...

Company name: Momentive Performance Materials
Published On: Wednesday February 08th, 2012

 
RESINS
Recording ink, ink cartridge, inkjet recording method, and inkjet recording apparatus

The present invention provides a recording ink including a composite pigment particle, a water-soluble solvent, and water, wherein the composite pigment particle is a primary particle coated with a coating resin, wherein the primary particle is a white pigment on the surface of which an oil-soluble dye is adsorbed or attached. In one aspect, the...

Company name: Ricoh
Published On: Wednesday February 08th, 2012

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Preparation and Characterization of Polyurethanes from Spinifex Resin Based Bio-Polymer

In this paper we explore the preparation of polyurethanes from spinifex resin biopolymer. Polyurethanes were prepared by both one-shot and pre-polymer (two step) processes. Attenuated total reflection—Fourier transform infrared analysis revealed urethane bond formation in both processes, and the peak intensity for N–H stretching was more sharp when...

Company name: The University of Queensland
Published On: Friday February 10th, 2012

 
Effect of different rapeseed-oil-based polyols on mechanical properties of flexible polyurethane...

Two rapeseed-oil-based polyols were synthesized by partial epoxidation of the double bonds in fatty acid chains and overall opening oxirane rings by using diethylene glycol. Flexible polyurethane foams with varied isocyanate index and modified by partial substitution of petrochemical polyether triol with rapeseed-oil-derived polyols were obtained....

Company name: Cracow University of Technology
Published On: Thursday February 09th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
Global Spray Foam Market Review for 2011

This presentation provides an overview of the key trends and issues affecting the global spray foam industry, including comments on the interim ban affecting the use of PU materials in the Chinese construction industry, trends driving the US demand for low-pressure foam kits and the growing demand for one-component foams in aerosol cans. A more...

Company name: PU Magazine International
Published On: Friday February 10th, 2012

 
CASE>> ADHESIVES
Measuring and Regulating Flammability

The introduction of commercial aircraft built with increasingly complex composite materials and configurations has led aircraft manufacturers, their suppliers and the Federal Aviation Administration (FAA) to review the test methods used to determine fire safety. A particular focus has been placed on reexamining the flammability performance criteria...

Company name: Huntsman Advanced Materials
Published On: Thursday February 09th, 2012

 
Next-Generation Composite Adhesives

Many industries are experiencing regulatory and pricing pressures that have resulted in changes to their traditional materials and processes. As this happens, adhesive technologies are quickly advancing to accommodate customer needs by enabling the use of a wider variety of materials and new manufacturing and product assembly processes. In some...

Company name: Dow Automotive Systems
Published On: Thursday February 09th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Pine needle/isocyanate composites: Dimensional stability, biological resistance, flammability, and...

The pine needle composites using isocyanate prepolymer were evaluated for their dimensional stability, flammability characteristics, biological resistance, and thermoacoustic properties. The thickness swelling and linear expansion of the composite panels affected significantly under wet conditions. The optimum flammability characteristics of the...

Company name: CSIR-Central Building Research Institute
Published On: Friday February 10th, 2012

 
CHEMISTRY
Curing and characterization of oxazolidone-isocyanurate-ether networks

Oxazolidone‐isocyanurate‐ether networks were prepared by copolymerization of mixtures of DGEBA and toluene‐2,4‐diisocyanate (TDI) in presence of benzyldimethylamine (BDMA) as catalyst. Changes during curing and final properties of the cured materials were investigated by using DSC, FTIR/ATR, TMA, DMTA, TGA, and densitometry....

Company name: Universitat Rovira i Virgili
Published On: Friday February 10th, 2012

 
Preparation of porous honeycomb monolith from UV‐curable monomer/dioxane solution via...

A well-ordered micrometer-scale honeycomb monolith porous polymeric material with aligned channels was successfully prepared from UV-curable urethane diacrylate monomer and 1,4-dioxane solutions by conducting unidirectional freezing, photopolymerization, and sublimation of the frozen solvent. UV light was irradiated into the frozen solution, and...

Company name: Kyoto University
Published On: Friday February 10th, 2012

 
Synthesis, characterization, and thermal stability of novel poly(azomethine-urethane)s and...

Up to date, only a few kinds of poly(azomethine-urethane)s (PAMUs) were synthesized and studied with thermal degradation steps. However, polyphenol based PAMUs including azomethine linkages have not been investigated yet. The polyurethanes were prepared by condensation reaction of 2,4-dihydroxybenzaldehyde (2,4-DHBA) with toluene-2,4-diisocyanate...

Company name: Canakkale Onsekiz Mart University
Published On: Friday February 10th, 2012

 
NANOCOMPOSITES
Electrically conductive foamed polyurethane/silicone rubber/graphite nanocomposites as radio...

Radio frequency wave absorber nanocomposites based on a flexible polyurethane (PU) foam has been manufactured by impregnation of the foam in n-hexane solution of room temperature vulcanizing silicone rubber (SR), hybridized with graphite nanosheets (GNs) called doping solution. After impregnation, dried samples were kept at ambient temperature for...

Company name: Amirkabir University of Technology,
Published On: Friday February 10th, 2012

 
IONOMER
Ionomer‐based polyurethanes: a comparative study of properties and applications

This review gives an overview of the new trends in the area of the synthesis of polyurethane ionomers. Some applications of this interesting class of materials are detailed and comparisons of properties of various structures are given.AbstractPolyurethanes cover a large range of materials exhibiting various physical and mechanical properties making...

Company name: Ecole des Mines d'Ales
Published On: Friday February 10th, 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