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  Issue-309 - May 14, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS
Huntsman to Launch Innovative New Products at American Coatings Show

Huntsman Corporation announced today that four of its business segments will be introducing new products at the American Coatings Show (May 8-10, Indianapolis, Ind.).• Huntsman Pigments will be unveiling its new brand of ALTIRIS® infrared reflecting pigments that give coatings and polymer products the power to reflect solar energy in a wide range...

Company name: Huntsman Polyurethanes
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> ADDITIVES>> ANTIBACTERIALS & BIOCIDES
SANITIZED AG launches unique silver based antimicrobial protection package with higher performance,...

SANITIZED AG launches a new generation of silver-based antimicrobial protective additives that deliver effective protection faster than ever before and at concentration loadings lower than previously possible. The new Sanitized® Silver products also offer best-yet transparency for applications requiring fast and broad protection against...

Company name: Sanitized
Published On: Thursday May 10th, 2012

 
PU RAW MATERIALS>> BLOWING AGENTS>> HCFC
Sector Plan to Phase-out HCFC 141B in the Foam Sector in the Philippines

The Sector Plan to Phase-out HCFC 141B in the Foam Sector in the Philippines which is funded by the Multilateral Fund (MLF) and the Government of Japan is being implemented by the United Nations Industrial Development Organization (UNIDO) for the Philippine Government through the Philippine Ozone Desk (POD) of the Environmental Management Bureau...

Company name: Philippine Ozone Desk
Published On: Tuesday May 01st, 2012

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS
Air Products Introduces New Curing Agents

Air Products today introduced a number of new waterborne and solvent-free epoxy curing agents as well as its new isocynate curing agents, or polycarbamide technology, for use in a variety of coatings applications at the American Coatings Show 2012 in the Indiana Convention Center, Indianapolis, Ind. These curing agents offer improved performance,...

Company name: Air Products and Chemicals, Inc
Published On: Tuesday May 08th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Middle East TDI ends 5-month uptrend on strong buyer resistance

Spot toluene di-isocyanate (TDI) values in the Middle East fell last week, snapping five months of steady increase, and look set to continue falling as buyers put up strong resistance to continued price spikes, industry players said on Tuesday.Buyers expect tight supply conditions to ease towards June, when ongoing turnarounds at major TDI...

Company name:
Published On: Monday May 07th, 2012

 
SYSTEMS>> ADHESIVES>> PRESSURE SENSITIVE
Cytec Announces Agreement to Sell Pressure Sensitive Adhesives Product Line

Cytec Industries announced today it has reached a definitive agreement to sell its Pressure Sensitive Adhesives (PSA) product line to Henkel for total consideration of $105 million in cash, including working capital of approximately $15 million. Full year 2011 sales for the PSA product line were $94 million. Shane Fleming, Chairman, President and...

Company name: Cytec Surface Specialties Austria
Published On: Monday May 14th, 2012

 
SYSTEMS>> COATINGS
BASF to focus on customers, chemistry for sustainable solutions at ACS 2012

How does chemistry influence coatings manufacturers? How can BASF help coating manufacturers to be more successful while focusing on more sustainable products?Visitors to the 2012 American Coatings Conference and Show (ACS), May 7-10, in Indianapolis, Indiana, can explore how BASF chemistry can enhance formulations in the coatings industry.BASF...

Company name: BASF
Published On: Tuesday May 08th, 2012

 
Bayer’s raw materials and expertise help the coatings industry solve the challenges of today and...

Formulators today are looking for ways to enhance efficiency, improve performance and lessen the environmental impact of coatings. Bayer MaterialScience LLC offers coatings formulators a wide range of coatings raw materials, backed by outstanding technical expertise, to help them solve these challenges. From textile and ultraviolet- (UV) cure...

Company name: Bayer MaterialScience LLC
Published On: Wednesday May 09th, 2012

 
Advances in polyurethane chemistry allow formulators to customize coatings for a wide spectrum of...

Otto Bayer discovered polyurethane chemistry 75 years ago. Since that time, this versatile chemistry has evolved, ushering in a number of coatings technologies, including one- and two-component solventborne and waterborne chemistries, radiation-curing polyurethane coatings and polyurethane powder coatings formulations.Visitors to the American...

Company name: Bayer MaterialScience AG
Published On: Wednesday May 09th, 2012

 
Tree sap, acid rain no match for 2K polyurethane exterior automotive clearcoats

Nature can be a beautiful sight, but its less friendly side can ruin a vehicle’s finish. Two-component (2K) polyurethane clearcoats offer a deep, rich appearance that can help make a beautiful vehicle exterior. These coatings also provide etch resistance from nature’s nasty side – tree sap, acid rain and bird droppings.Additionally, 2K polyurethane...

Company name: Bayer MaterialScience LLC
Published On: Thursday May 10th, 2012

 
SYSTEMS>> COATINGS>> GELCOATS
Polyurethane gelcoats offer a VOC-free alternative for composite parts in the transportation, marine...

Styrene and unsaturated polyester gelcoats have traditionally been used for such demanding outdoor applications as transportation, marine and wind energy, among others. However, composite parts fabricators have been seeking a gelcoat that not only stands up to Mother Nature but is also more environmentally friendly. Polyurethane gelcoats are a...

Company name: Bayer MaterialScience
Published On: Wednesday May 09th, 2012

 
SYSTEMS>> COATINGS>> DISPERSIONS
Bayer advances the industrial coating cure … enhancing performance with thermally cured polyurethane...

Industrial coatings built on one-component, thermally cured polyurethane dispersions (PUDs) are preferred in demanding applications, because the coatings’ unique chemistry imparts superior impact resistance, solvent and water resistance, and appearance. These properties make the technology attractive in industries that require stable and durable...

Company name: Bayer MaterialScience LLC
Published On: Thursday May 10th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
Spray Foam Insulation & Roofing Magazine Offers Free Digital Magazine Subscription

Spray Foam Insulation & Roofing Magazine (SFIRM) is pleased to announce a free magazine subscription on the eve of its May/June issue release.Featured in the upcoming issue:A century-old grain elevator is restored/repurposed with SPF Spray foam plays supporting role in your favorite movies From polyurethane to phenolics: injection foam, A-Z SPF is...

Company name: Spray Foam Insulation & Roofing Magazine
Published On: Tuesday May 08th, 2012

 
SSP Builds SPF Rigs, Careers at Georgia Facility

While Source of Supply in Polyurethanes (SSP) bases its operation out of Florida, the company also has a training and building facility for its SPF trailer systems in neighboring Georgia."They're beefed up. Our rigs are built like tanks," said JR, who runs the facility.JR has been in the the spray foam industry for well over a decade and got his...

Company name: Source of Supply in Polyurethanes
Published On: Monday May 14th, 2012

 
CASE>> ELASTOMERS>> TPU
Coim Showcasing Range of its Novel LARIPUR® TPUs at PLAST 2012

Coim, one of the global polyurethane chemicals producers is showcasing a wide range of new LARIPUR thermoplastic polyurethanes at the ongoing Plast 2012 event (May 8-12) in Milan, Italy.The new products include LARIPUR 5018B, a soft plasticized TPU that has been developed to satisfy the request of a soft touch and high grip material to be used for...

Company name: The Coim Group
Published On: Thursday May 10th, 2012

 
PROCESSING EQUIPMENTS - PRODUCTION
Sydney Harbour Bridge resurfaced using Graco equipment

The Sydney Harbour Bridge is listed in the Guinness Book of Records as the world’swidest long-span bridge. When it opened in 1932, 11,000 vehicles crossed thebridge each day. Today that’s grown to more than 160,000 each day. Total length ofbridge is 1149 meters including approach spans.After 80 years, the Sydney Harbour Bridge required essential...

Company name: Australian Urethane Systems
Published On: Monday May 14th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING
Established “green builder” Sundt Construction, Inc. joins Bayer’s EcoCommercial Building Network

Bayer’s EcoCommercial Building (ECB) Network incorporates new materials and equipment into the construction process to build cleaner, more efficient, more comfortable and more innovative buildings. Now, the ECB Network includes Sundt Construction, Inc., a general contractor with expertise in sustainable construction, particularly in the government...

Company name: Sundt Construction
Published On: Wednesday May 09th, 2012

 
FINISHED PRODUCTS>> BEDDING
ISPA Upgrades Three Websites – Better Sleep Council, BedTimes and ISPA

The International Sleep Products Association (ISPA) launched three new websites. Technology is always changing and ISPA felt it was time for its website to receive a makeover. The look, content and functionality have all been improved and the site delivers a more positive experience for site visitors. Not only has ISPA redesigned its own website,...

Company name: International Sleep Products Association
Published On: Thursday May 10th, 2012

 
INDUSTRY UPDATE
Irwin Seating joins massive international price-fixing case with lawsuit filing

Irwin Seating Co. this week waded into an international price-fixing case that began several years ago when federal authorities learned polyurethane foam makers were allegedly conspiring to charge inflated prices for their product.Irwin filed suit Friday in Grand Rapids federal district court, alleging that collusion among domestic and...

Company name: Irwin Seating
Published On: Monday May 14th, 2012

 
State government honors Purlan for its international activities

Lower Saxony’s Minister for Economic Affairs, Labour and Transport Jörg Bode himself presented PURPLAN Managing Director Andreas Sandmann with the award during the ‘9th Niedersachsen Foreign Trade Day’ in Hanover. With this Foreign Trade Prize the state government acknowledges companies that set standards in the global business and which thereby...

Company name: Purplan
Published On: Friday May 11th, 2012

 
Loan helps plastics firm win export jobs

Polyurethane specialist CTM has clinched contracts in North and South America and created new jobs after moving to new premises in Barnsley, with the help of a six figure loan from Lloyds TSB Commercial.CTM manufactures polyurethane insulation and the equipment to make it and the move to the Zenith Park industrial estate, close to the M1, at Barugh...

Company name: CTM Equipment
Published On: Monday May 14th, 2012

 
Bayer MaterialScience to establish global wind energy competence center in Denmark

Bayer MaterialScience plans to establish a global wind energy competence and development center at its existing site in Otterup, Denmark. The new competence center will spearhead and coordinate the global development activities for advanced materials used in wind energy applications.Kim Harnow Klausen has been assigned as lead of the new global...

Company name: Bayer MaterialScience
Published On: Monday May 14th, 2012

 
American Chemistry Council CEO Cal Dooley to Deliver Keynote Address at 2012 Polyurethanes Technical...

As the chemical industry celebrates 75 years of polyurethane, speakers at the 2012 Polyurethanes Technical Conference will both honor its history and discuss the latest developments that will impact the global outlook for years to come. Hosted by the Center for the Polyurethanes Industry (CPI) of the American Chemistry Council (ACC), this year’s...

Company name: The Center for the Polyurethanes Industry
Published On: Thursday May 10th, 2012

 
Stepan increases ownership to 100 % of Stepan Philippines

Stepan Company announced that on 22 March 2012, it increased its controlling interest in Stepan Philippines Inc. from 89 % to 100 %.Stepan Philippines operates a surfactant manufacturing plant, south of Manila, which began as a joint venture. Stepan Company and its wholly owned subsidiary, Stepan Philippines Inc., are committed to meeting...

Company name: Stepan Company
Published On: Tuesday May 08th, 2012

 
PEOPLE
Bruce Schenke Joins Premium Spray Products

Premium Spray Products has added Bruce Schenke to their growing roster of spray polyurethane foam industry professionals. Schenke will become the Manager of Technical Services. Schenke, through his 35 years in the spray polyurethane foam and roofing industries, will bring new value to the expanding product line of Premium Spray Products, as well as...

Company name: Premium Spray Products
Published On: Wednesday May 09th, 2012

 
Eric Geiger joins Hickory Springs in foam R&D post

Hickory Springs Mfg. has hired Eric Geiger as corporate director of foam research and development - organic growth, a new position. He joined the company about a month ago.Geiger will work with the flexible polyurethane foam research and development team at Hickory Springs' foam plant in Conover, N.C. He is responsible for the internal growth of...

Company name: Hickory Springs
Published On: Monday May 07th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> DEFOAMER
Defoamers for top coat paints for motor vehicles

The invention provides novel defoamers which are useful as defoamers for top coat paints for motor vehicles. When the defoamers are incorporated with paints which do not use melamine resins as the curing agent, they can impart defoaming property to the paints without inviting turbidity in the painted films caused by infiltration of water. Hence the...

Company name: Kusumoto Chemicals
Published On: Tuesday May 08th, 2012

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Fire resistant material and formulation thereof

The invention provides a fire resistant material and a formulation thereof. The formulation comprises a liquid suspension of a modified inorganic particle and an organic component. The modified inorganic particle comprises an inorganic particle with hydroxyl groups and a surface modifier coupled to the inorganic particle via a urethane linkage,...

Company name: Industrial Technology Research Institute
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> RELEASE AGENTS
Solvent-free release agent and its use in the production of polyurethane moldings

The invention provides solvent-free release agents for producing polyurethane moldings, substantially including: A) at least one wax having release activity; B) at least one oil having release activity; and C) if desired, further auxiliaries and adjuvants, with the proviso that the release agent contains no water and no volatile organic solvent,...

Company name: Evonik Goldschmidt
Published On: Tuesday May 08th, 2012

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS>> AMINE BASED
Reactive systems containing formamides

The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers.

Company name: Bayer MaterialScience AG
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> POLYOLS
Polyetherester polyols

The present invention relates to hydrophobic polyetherester polyols, to a process for preparing them, and to the use of the polyetherester polyols of the invention for producing polyurethanes.

Company name: BASF
Published On: Thursday May 10th, 2012

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Method for providing higher molecular weight natural oil polyols without loss of functionality

Methods of one-pot synthesis of high molecular weight natural oil polyols having a functionality of at least two are provided. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.

Company name: MCPU Polymer Engineering
Published On: Wednesday May 09th, 2012

 
Method of synthesizing tuneably high functionality in high molecular weight natural oil polyols

Methods of one-pot synthesis of high molecular weight natural oil polyols having a functionality of between about 4 and about 8 are provided. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.

Company name: MCPU Polymer Engineering
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Process for producing polyester polyols having secondary oh end groups

The invention relates to a process for producing polyester polyols with secondary hydroxyl end groups, including the step of the reaction of a polyester including carboxyl end groups with an epoxide of the general formula (1): ##STR00001## wherein R1 stands for an alkyl residue or an aryl residue and the reaction is carried out in the presence of a...

Company name: Bayer MaterialScience AG
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Method for the production of isocyanates

The present invention relates to a process for preparing isocyanates.

Company name: BASF Aktiengesellschaft
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> RESIN COMPOSITION
Composition for circuit connection film and circuit connection film using the same

A composition for a circuit connection film and a circuit connection film using the same, the composition including a binder resin including an acrylate modified urethane resin, a carboxyl modified acrylonitrile butadiene rubber, and an acrylic copolymer, the acrylic copolymer having an acid value of about 1 to about 100 mg KOH/g, a radical...

Company name: Cheil Industries
Published On: Tuesday May 08th, 2012

 
Polyurethane resin moulding for vehicle interior part and method of manufacturing the same

A method of manufacturing a polyurethane resin moulding for a vehicle interior part, includes: adding at least one of a polyol mixture and a polyisocyanate compound to at least one of microencapsulated paraffin waxes and shirasu balloons, followed by polymerizing the polyol mixture and the polyisocyanate compound. The polyol mixture contains a...

Company name: Sumika Bayer Urethane
Published On: Tuesday May 08th, 2012

 
PU RAW MATERIALS>> RESIN COMPOSITION>> PHOTOCURABLE
Photocurable resin composition and cured product of same, resin sheet and production method for...

A photocurable resin composition including: (A) a urethane (meth)acrylate oligomer having a polyoxyalkylene structure, (B) a (meth)acrylic polymer, (C) a (meth)acrylic monomer, and (D) a photopolymerization initiator, wherein the component (A) is produced using monomer components including (a1) a polyoxyalkylene polyol, (a2) a polyisocyanate, and...

Company name:
Published On: Wednesday May 09th, 2012

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOPLASTIC
Molded composite article, process for producing the same, and a joinable resin

In a molded composite article, a resin member comprising a non-urethane thermoplastic resin and a resin member comprising a thermoplastic polyurethane resin are directly joined with each other. The non-urethane thermoplastic resin comprises at least one member selected from the group consisting of a polyamide component having an alicyclic ring and...

Company name: Daicel-Evonik
Published On: Tuesday May 08th, 2012

 
SYSTEMS>> ADHESIVES
Adhesive for textile reinforcing inserts and use thereof

The present invention relates to a pulverulent adhesive for textile reinforcing inserts, which is dispersible in water, for the production of reinforced rubber products. The adhesive thereby comprises an at least partially capped, low-molecular isocyanate, a wetting agent, a binder and also possibly further additives.

Company name:
Published On: Wednesday May 09th, 2012

 
SYSTEMS>> ADHESIVES>> ONE-COMPONENT
Adhesives with acoustic damping effect

A one- or two-component adhesive containing: a) a binding agent having reactive isocyanate groups or silane groups, and b) a nonreactive polymer having a glass transition temperature, measured by means of DSC, in the range from -40.degree. C. to +60.degree. C. This preferably has, in a cured state, at a temperature at least in the range from -10 to...

Company name: Henkel
Published On: Wednesday May 09th, 2012

 
SYSTEMS>> COATINGS>> LATEXES
Biobased waterborne synthetic polyurethane hybrid latexes and films

This work provides a new way of utilizing renewable resources to prepare environmentally friendly biobased hybrid latexes with high performance for coating applications. Also provided are biobased polyurethane/acrylic hybrid films having good properties.

Company name: Archer Daniels Midland
Published On: Wednesday May 09th, 2012

 
SYSTEMS>> COATINGS>> PHOTOSENSITIVE COATINGS
Uv-curable coating compositions, multi-component composite coatings, and related coated substrates

Disclosed herein are solventborne liquid UV-curable coating compositions comprising: a radiation curable compound comprising an acrylate-terminated compound having greater than two unsaturated sites, wherein the acrylate-terminated compound comprises a reaction product of reactants comprising: an adduct of a polyisocyanate, wherein the adduct of a...

Company name:
Published On: Wednesday May 09th, 2012

 
SYSTEMS>> ELASTOMERS>> GELS
Porous gels based on aromatic polyurea

The invention relates to a porous gel comprising the following components, in reacted form: (a1) at least one polyfunctional isocyanate, (a2) at least one polyfunctional aromatic amine and (a3) at least one polyalkylenepolyamine. The invention further relates to a process for preparing porous gels, to the porous gels thus obtainable and to the use...

Company name: BASF SE
Published On: Wednesday May 09th, 2012

 
FOAMS>> FLEXIBLE
Polyurethane foam, method for the production and use thereof

The subject of the invention is a water-impermeable flexible polyurethane foam obtained by reacting a polyol component, which comprises at least one hydrophobic polyol, with a polyisocyanate component in the presence of a foaming agent, characterized in that it has a compression force of less than or equal to 12 kPa for 50% compression....

Company name: Saint-Gobain Performance Plastics Corporation
Published On: Tuesday May 08th, 2012

 
FOAMS>> FLEXIBLE>> OPEN-CELL
Open-cell foam modified with hydrophobines

Open-cell foam based on a melamine-formaldehyde condensation product, a polyurethane or a polyimide, which has been modified with hydrophobins, a method of producing such foams, and the use thereof for absorbing organic liquids, as leakage and bleeding protection for liquid stores, for liquid-liquid separation and as matrix for carrying out...

Company name: BASF SE
Published On: Tuesday May 08th, 2012

 
FOAMS>> FLEXIBLE>> VISCOELASTIC FOAMS
Process for producing viscoelastic flexible polyurethane foams

The invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, c) blowing agents, wherein the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) comprise...

Company name: BASF SE
Published On: Wednesday May 09th, 2012

 
CASE>> ELASTOMERS>> TPU
Process for continuously producing thermoplastically processable polyurethanes

The invention relates to a process for continuously producing thermoplastically processable polyurethanes in a recycle reactor with flexibly adjustable mixing conditions.

Company name: Bayer MaterialScience AG
Published On: Wednesday May 09th, 2012

 
CASE>> COMPOSITES
Method for producing a shaped object of a composite material, a shaped object produced according to...

A method for manufacturing a shaped object from a composite material which includes thermoset particles as filler material, fibers as reinforcement material and polyurethane as binder. The method includes the steps of: a) providing a dry mixture of fiber material and thermoset particles with a predefined moisture content; b) the addition and...

Company name:
Published On: Wednesday May 09th, 2012

 
CASE>> COMPOSITES>> NANOMATERIALS
Polyurethane materials comprising carbon nanotubes

The invention relates to semicrystalline polyurethane (PU) compositions which have been filled with carbon nanotubes (CNTs) and have improved electrical properties, and which are obtainable on the basis of water-based polyurethane-CNT mixtures. The invention further relates to a process for producing the polyurethane compositions, in which...

Company name: Bayer MaterialScience
Published On: Wednesday May 09th, 2012

 
FINISHED PRODUCTS>> AERONAUTIC / AEROSPACE
Fuel range for an aircraft

An apparatus and method for improving the fuel range of an aircraft are provided. The aircraft includes a fuselage with a front windshield, and an external skin providing a top cover for a cockpit of the aircraft. The apparatus includes an aerodynamic fairing secured adjacent the windshield and enclosing the external skin covering the cockpit for a...

Company name:
Published On: Tuesday May 08th, 2012

 
FINISHED PRODUCTS>> SPORTS>> MOUTHGUARD
Custom mouthguard

A custom mouthguard may be formed from a multiple layer assembly including an ethylene vinyl acetate/thermoplastic polyurethane layer, an ethylene vinyl acetate layer and an intervening impact shield and elastomeric framework. The elastomeric framework may include one or more posterior occlusal pads. The custom mouthguard may be molded to a...

Company name: Shock Doctor
Published On: Wednesday May 09th, 2012

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf balls including a crosslinked thermoplastic polyurethane cover layer having improved scuff...

This disclosure relates to golf balls having a cover layer made from a crosslinked thermoplastic polyurethane elastomer. The crosslinked thermoplastic polyurethane elastomer includes crosslinks located in the hard segments, where the crosslinks being the reaction product of unsaturated bonds located in the hard segments catalyzed by a free radical...

Company name: Nike
Published On: Wednesday May 09th, 2012

 
FINISHED PRODUCTS>> MEDICAL
Hemostatic foams

The invention is directed to hemostatic foams and to the preparation of such foams. In a first aspect, the present invention provides a biodegradable hemostatic foam comprising a polymer blend of a water-soluble polymer and a phase-separated polyurethane comprising an amorphous segment and a crystalline segment, wherein at least said amorphous...

Company name: Polyganics
Published On: Wednesday May 09th, 2012

 
FINISHED PRODUCTS>> MEDICAL>> CATHETER
Antimicrobial material and method for making the same

This invention provides a modified catheter biomaterial that provides both immediate, and long-term microbiocidal effects on otherwise antibiotic-resistant strains of microorganisms. The material, which exhibits good mechanical performance characteristics for medical devices, is composed of a hydrophobic polyurethane (PU), a hydrophilic...

Company name:
Published On: Tuesday May 08th, 2012

 
FINISHED PRODUCTS>> BODYCARE / HEALTHCARE
Resilient, water dispersible polyurethane foams and products incorporating same

A soft and resilient, cold-water dispersible polyurethane foam suitable for disposable personal care products is produced by the combination of corn syrup, glycerin, polyether diamine, PEG, a diisocyanate, water and a catalyst. The formulation and reaction conditions for forming the inventive foam are judiciously selected and carefully controlled...

Company name: Georgia-Pacific Consumer Products
Published On: Tuesday May 08th, 2012

 
AEROGELS
Process for producing aerogels or xerogels

The present invention relates to a process for producing porous materials in the form of aerogels or xerogels, which comprises reaction of at least one polyfunctional isocyanate with an amine component comprising at least one polyfunctional substituted aromatic amine and also water in the presence of a solvent and a catalyst, with the reaction...

Company name: BASF SE
Published On: Wednesday May 09th, 2012

 
CHEMISTRY
Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and...

The invention relates to a composition and a method of preparing one such composition and an isocyanatoalkoxysilane; the polyisocyanate composition contains at least two different oligomeric compounds comprising at least three units and at most five units selected from aminoalkylsilane units and diamine units and at least one function selected from...

Company name: Perstorp
Published On: Tuesday May 08th, 2012

 
Dendron, polyurethane with side-chain regular dendron, and producing methods thereof

Methods for producing dendrons of different generations with hydrophobic functional end-groups, and for producing polyurethanes with the side-chain dendrons are disclosed step-by-step. The dendron with hydrophobic functional end-groups in the polyurethane systems, and the honeycomb-like structure thin films are obtained by a breath-figure process....

Company name: Chung-Shan Institute of Science and Technology
Published On: Tuesday May 08th, 2012

 
 
LATEST TRENDS >> PAPERS
CASE>> COMPOSITES
Influence of the hard segment content on the mechanical and tribological properties of the...

Two kinds of polyurethane (PU) composites with different hard segment content modified by a high molecular weight hydroxyl-terminated polydimethylsiloxane (HTPDMS) were prepared. The effect of the hard segment content on the mechanical and tribological properties of the PU composites was studied. Tensile strength of the PU composites increased with...

Company name: Lanzhou Institute of Chemical Physics
Published On: Monday May 14th, 2012

 
CASE>> COMPOSITES>> NANOMATERIALS
Lignin-based polyurethane doped with carbon nanotubes for sensor applications

Modified eucalyptus kraft lignin doped with multiwall carbon nanotubes (MWCNTs) was used as a macromonomer in step-growth polymerization with tolylene 2,4-diisocyanate terminated poly(propylene glycol) with the aim of producing a conductive copolymer for all-solid-state potentiometric chemical sensor applications. The crosslinked elastomeric...

Company name: University of Aveiro
Published On: Monday May 14th, 2012

 
Self-alignment and high electrical conductivity of ultralarge graphene oxide/polyurethane...

Polyurethane (PU)-based composite films containing highly-aligned graphene sheets are produced through an environmentally benign process. Aqueous liquid crystalline dispersion of graphene oxide (GO) is in situ reduced in PU, resulting in fine dispersion and a high degree of orientation of graphene sheets. The PU particles are adsorbed onto the...

Company name: The Hong Kong University of Science and Technology
Published On: Monday May 14th, 2012

 
CHEMISTRY
Precise Synthesis of Clickable Poly(n-hexyl isocyanate)

Well-defined clickable poly(n-hexyl isocyanate) (PHIC) with an azido or alkyne end group as rod-like building block has been prepared by the living coordination polymerization using organotitanium catalysts. The obtained clickable PHIC was subjected to the Cu-catalyzed azide/alkyne cycloaddition for the synthesis of well-defined macromolecular...

Company name: Hokkaido University
Published On: Monday May 14th, 2012

 
Solvent Effects in Polyurethane Cure: A Model Study

The effect of change of solvent type on the rate of cure of a polyol with an isocyanate was measured using a range of different techniques. The initial stages of the cure process were followed using viscosity and Fourier transform infrared spectroscopy [FTIR] measurements. The gelation point was observed using viscosity measurements and depends on...

Company name: University of Strathclyde
Published On: Monday May 14th, 2012

 
 

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