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  Issue-313 - June 11, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
New US EPA Proposal for Notification Regarding Dangerous Chemicals

On March 20th, 2012, the United States Environmental Protection Agency (EPA) announced proposals for a Significant New Use Rule (SNUR) in regards to five chemicals targeted for significant new use requirements under the Toxic Substances Control Act (TSCA).The five classes of compound targeted for significant new use requirements under the Toxic...

Company name: US Environmental Protection Agency
Published On: Friday June 08th, 2012

 
PU RAW MATERIALS>> POLYOLS
New Report Polyols Market (2012-2017) by MarketsandMarkets

Polyols are materials having application in a wide range of industries. Polyols are extensively used in Polyurethane, adhesives, sealants, elastomers, coatings, food and confectionery, pharmaceuticals, oral care products, cosmetics etc. The major application is Polyurethane where polyols are widely used to manufacture flexible and rigid...

Company name: MarketsandMarket
Published On: Friday June 08th, 2012

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Horn to handle Vertellus Specialties' line of castor oil and derivatives

Vertellus Specialties Inc., manufacturer of castor oil, castor oil polyols and derivatives, announced that effective June 1, 2012, Horn Company will be its authorized distributor in 11 western states (CA, WA, OR, MT, WY, CO, UT, ID, NV, AZ and NM) as well as the southwest region(TX, LA, OK, and AK)

Company name: The E.T. Horn Company
Published On: Wednesday June 06th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Review on Yantai Wanhua MDI in the first half this year

The polyurethane industry raw materials market and additives market were very weak, with each products price declining more than 10% in 2011. But the price trends become different since 2012. Polyol market is down all the way after rebound slightly and currently has fallen below the lowest point in 2011; but the three isocyanate products Crude MDI,...

Company name: Yantai Wanhua Polyurethanes
Published On: Wednesday June 06th, 2012

 
SYSTEMS>> ADHESIVES>> LAMINATES
Dow introduces new PU laminating adhesives at Drupa 2012

During the recent Drupa 2012 printing exhibition held in Düsseldorf, Germany, Dow Performance Packaging introduced a new bio-based compostable version of its Adcote range of solvent based laminating adhesives and two solventless Mor Free adhesives.The new bio-based compostable Adcote adhesive extends the existing range or products used for general...

Company name: Dow Performance Packaging
Published On: Monday June 04th, 2012

 
SYSTEMS>> COATINGS
Turkey – a growth market for coil coatings

Turkey is a growth market, and the construction sector is no exception. For this reason, BASF Coatings teamed up with other BASF divisions at TURKEYBUILD to present their products and services in order to continue to establish their presence in this emerging market. BASF Coatings joined forces with its Turkish customer Coat Coil, using the building...

Company name: BASF SE
Published On: Tuesday June 05th, 2012

 
BASF Overhauls Wind Energy Coatings

BASF Coatings has revamped its line of wind energy coatings with a new brand, a new approach and new properties to meet today’s demands.The longtime RELIUS industrial coatings line—for wind energy, aircraft, marine/yachts, heavy duty and general industrial coatings—has become RELEST.The wind line consists of eight process coatings, sealers and...

Company name: BASF Coatings
Published On: Tuesday June 05th, 2012

 
What do silicone and chocolate have in common? - PCB coating with RAKU-SIL

Dold, headquartered near Stuttgart, is a renowned specialist in instrumentation and control technology. It produces PCBs fitted with sensors for a German manufacturer of touchless soap dispensers. The sensors monitor the area around the soap dispenser – when a hand approaches, the sensor releases the designated quantity of soap without being...

Company name: RAMPF-Gruppe
Published On: Wednesday June 06th, 2012

 
Australian Urethane Systems polyurethane coatings solve ongoing leakage problem

After several failed attempts by others, Australian Urethane Systems has finally sealed a leaking concrete water reservoir with their POLYEURO 5520F polyurethane coatingsWyong Shire council found that the Kanwal Water Resevoir continued to leak, and that attempts at sealing the reservoir had either failed or did not make allowances for new leaks...

Company name: Australian Urethane Systems
Published On: Thursday June 07th, 2012

 
HumiSeal® announces launch of next generation masking materials with new dots and tapes

HumiSeal®, a leading conformal coating manufacturer and distributor, has announced the launch of its entirely new range of masking products designed to address many of the common issues surrounding the use of masking products. This second generation of product follows extensive R&D trials and tests to ensure that it meets the exacting standards...

Company name: HumiSeal
Published On: Thursday June 07th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
CertainTeed Offers Industry-Leading Expertise in Spray Foam Insulation to Pittsburgh Job Corps...

CertainTeed Corporation recently partnered with the Pittsburgh Job Corps, a no-cost education and vocational training program administered by the U.S. Department of Labor, to educate young adults on the application and handling of polyurethane spray foam insulation. As the provider of CertaSpray spray foam insulation, CertainTeed offers the most...

Company name: CertainTeed
Published On: Friday June 08th, 2012

 
VersaFlex 2012 Polyurea Training Program Set for June

VersaFlex Inc.’s 2012 Polyurea Training brings June to a close with the first three levels of the program scheduled from June 25-29. The courses will be held at VersaFlex’s facility in Houston, Texas and headed by Dudley Primeaux, VersaFlex’s Director of Education and Development. Because of the parallels in equipment for polyurea and SPF...

Company name: VersaFlex
Published On: Friday June 08th, 2012

 
SYSTEMS>> RIGID FOAMS>> CAVITY FILLING
Dow Automotive Systems Presents Information on a Sustainable Cavity Sealing Solution

Dow Automotive Systems, a business unit of The Dow Chemical Company, will soon introduce a new cavity sealing solution made with 25 percent renewable based materials. BETAFOAM™ Renue is a two-part polyurethane rigid foam system that enhances sustainability while offering the performance advantages of BETAFOAM made with low-emission MDI. Allan...

Company name: Dow Automotive
Published On: Wednesday June 06th, 2012

 
CASE>> COATINGS>> ANTIFOULING / FOULING RELEASE
International Forum Tackles Antifouling

Leading-edge antifouling technologies, bio-inspired coatings, international regulation of antifouling products and other issues critical to the marine coatings industry will be among the topics at the upcoming 16th International Congress on Marine Corrosion and Fouling, set for June 25-28 in Seattle.The Congress is the world’s foremost scientific...

Company name: International Congress on Marine Corrosion and Fouling
Published On: Thursday June 07th, 2012

 
CASE>> COMPOSITES
General Plastics Expands Product Distribution in China Through New Agreement With East Wonder...

General Plastics Manufacturing Company has named East Wonder International (EWI) its agent of choice in China’s aerospace supplier market. East Wonder will import General Plastics’ build-to-print flyaway materials for flight decks and interior cabins, providing distribution to original equipment manufacturers, and Tier 1 and Tier 2 companies in the...

Company name: General Plastics
Published On: Wednesday June 06th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING>> DOORS & WINDOW FRAMES
Deceuninck North America to Offer Expertise on Advancements in Window Reinforcements at Applied...

Deceuninck North America, a leading designer and manufacturer of high-quality systems for windows, doors and outdoor living, is pleased to announce that Jon Hauberg, director of product research and development, will give a presentation on the advancements in window reinforcements at Applied Market Information (AMI) LLC's 11th annual Profiles...

Company name: Deceuninck North America
Published On: Thursday June 07th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING>> PIR BLOCK FOAMS
Celotex Group Limited Acquired By Saint-Gobain

Saint-Gobain has signed an agreement to acquire Celotex Group Limited, one of the leading British producers of high performance PIR thermal insulation boards. For more than 30 years, Celotex has offered solutions dedicated to the improvement of energy efficiency in buildings.Celotex had a turnover of £69.7M during the last fiscal year (to August...

Company name: Celotex Ltd
Published On: Monday June 11th, 2012

 
FINISHED PRODUCTS>> AUTOMOTIVE
Modern Automotive Dunnage

Virtually all automotive dunnage is custom. After design and production of dunnage trays, the cycle of shipping parts and returning the trays after production to re-fill with parts again continues until the vehicle design itself is retired. At that point the packaging material is recycled for future use. Building DunnageOnce the dies are created...

Company name:
Published On: Monday June 11th, 2012

 
FINISHED PRODUCTS>> DECORATING AND PROTO.
Action Prototype offers Prototyping, Urethane Casting Services for their Clients

Action Prototype and Urethane Castings, LLC offers different services including prototyping and urethane casting for their clients. They also offer more services for industries like defense, automotive, architectural, entertainment, aerospace and more.Action Prototype and Urethane Castings offer services to various industries. They provide...

Company name: Action Prototype and Urethane Castings
Published On: Thursday June 07th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> GLOVES
Cut-Resistant Gloves improve worker safety in two ways

Available in black, blue, pink, purple, and red for increased worker visibility, ChromaTek(TM) CT500 high performance polyethylene (HPPE) gloves offer ANSI Cut Level 2 and ANSI Abrasion Level 6 protection. Black polyurethane palm coating channels away liquids and oils, promoting flexibility, dexterity, and grip, while form-fitting, breathable...

Company name: Magid Glove & Safety
Published On: Tuesday June 05th, 2012

 
INDUSTRY UPDATE
Open Day at Fritz Nauer AG

Fritz Nauer AG celebrated its 75th anniversary and welcomed hundreds of visitors during the Open Day in Wolfhausen on 2 June 2012. On-site inspection tours awaited our guests as well as a variety of shows and attractions including fun games for children along with a souvenir made of foam and free snacks throughout the day Facts and...

Company name: Fritz Nauer
Published On: Monday June 11th, 2012

 
Flame Seal Experiences Triple Digit Sales Growth In May, Trends Continuing In June

After a moderate first quarter in the Spray Foam Insulation market, due to the winter slow down in construction, as well as affects of the economy in general, a number of milestone events occurred for Flame Seal that sparked the beginning of a very strong upward trend in sales.First quarter sales revenues were $311,858, which was low in the opinion...

Company name: Flame Seal Products
Published On: Monday June 11th, 2012

 
MBK Tape Solutions Partners with Rogers Corporation

MBK Tape Solutions, Chatsworth, CA - MBK Tape Solutions is pleased to announce the new partnership with Rogers Corporation. MBK Tape Solutions is now a Roger's converter. The Rogers converter status gives MBK Tape Solutions the rights to distribute and sell all of Roger's products including Poron® Urethane Foams and Bisco® Silicones. "We are very...

Company name: MBK Tape Solutions
Published On: Monday June 11th, 2012

 
H.B. Fuller to Close Five Plants in Europe Following Forbo Acquisition

Industrial adhesives company H.B. Fuller plans to cut 370 jobs and close five manufacturing plants in Western Europe, as it streamlines operations on the heels of a large acquisition.Fuller completed its $394 million acquisition of the industrial adhesives business of the Swiss giant Forbo Group in March.After an analysis of Fuller's now-combined...

Company name: H.B. Fuller Company
Published On: Friday June 08th, 2012

 
Wanhua-BorsodChem demonstrates emergency response skills

Wanhua-BorsodChem has demonstrated the high-calibre equipment, capabilities and skills of its onsite emergency response team at its plant in Kazincbarcika, North-East Hungary. According to Wanhua-BorsodChem, testifying to the company's readiness to act professionally in case of an industrial accident, this simulation exercise was organised as part...

Company name: Wanhua-BorsodChem
Published On: Wednesday June 06th, 2012

 
BASF Customer Magazine Global PUR now available on-line

Innovation is the name of our game, thus contributing to the success of our customers. And we do this by intelligently applying the tools of our trade: polyurethanes, passion and the proficiency of our researchers and developers. A highly fruitful example of this approach typical of BASF Polyurethanes’ employees and certain to be one of the...

Company name: BASF Polyurethanes
Published On: Tuesday June 05th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS
Process for preparing polyurethane particulate and polyurethane particulate prepared therefrom

Disclosed is a process for preparing polyurethane particulate and polyurethane particulate prepared therefrom. The polyurethane particulate has properties such that it is easy to control to a spherical form, the polyurethane particulate can be prepared in a desired particle size, the color thereof is stably exhibited, a washing process thereof is...

Company name: Kolon Industries
Published On: Wednesday June 06th, 2012

 
PU RAW MATERIALS>> ADDITIVES>> SOLVENTS
Use of mixtures for removing polyurethane from metal surfaces

Use of mixtures comprising (A) at least one solvent with a flashpoint of at least 80.degree. C., (B) at least one corrosion inhibitor which is liquid at room temperature, (C) at least one base selected from organic amines, ammonium hydroxides, and alkali metal hydroxides, (D) water, and (E) optionally one or more polyurethanes, for removing...

Company name: BASF SE
Published On: Thursday June 07th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Amine-initiated polyols and rigid polyurethane foam made therefrom

Polyether polyols are initiated with aminocyclohexanealkylamines such as isophoronediamine and 1,8-diaminop-menthane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times.

Company name: Dow Global Technologies Inc
Published On: Tuesday June 05th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Polyester polyols based on aromatic dicarboxylic acids

The present invention relates to polyester polyols based on aromatic dicarboxylic acids and their use for producing rigid polyurethane foams.

Company name: BASF SE
Published On: Wednesday June 06th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Method for producing isocyanates

The invention relates to a multistage process for the continuous preparation of organic, distillable isocyanates, preferably diisocyanates, particularly preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic amines with urea and alcohols to liberate ammonia and form low molecular weight monomeric urethanes...

Company name: BASF SE
Published On: Wednesday June 06th, 2012

 
PU RAW MATERIALS>> RESIN COMPOSITION
Polyurethane-modified acrylic resin and preparing method thereof

A polyurethane-modified acrylic resin and a preparing method thereof are disclosed. The polyurethane-modified acrylic resin is prepared through the following steps: preparing a monomer with double bond and urethane group by means of a reaction of isocyanate, hydroxylalkyl acrylate and aliphatic alcohol, and then copolymerizing the monomer with...

Company name:
Published On: Thursday June 07th, 2012

 
SYSTEMS>> ADHESIVES>> MOISTURE CURED
Moisture-curable hot melt adhesive for IC card

Provided is a moisture-curing hot melt adhesive, which has superior overall performance, including heat resistance, adhesiveness, and solidification performance, and with which there is no reduction in the resulting IC card quality or productivity. Also provided is an IC card obtained by applying such a moisture-curing hot melt adhesive. The...

Company name:
Published On: Thursday June 07th, 2012

 
SYSTEMS>> ADHESIVES>> BINDERS
Light lignocellulose materials having good mechanical properties

A process for the production of a light lignocellulose-containing substance having an average density in the range from 200 to 600 kg/m.sup.3, in which, in each case based on the lignocellulose-containing substance: A) from 30 to 95% by weight of lignocellulose particles; B) from 1 to 25% by weight of expanded plastics particles having a bulk...

Company name: BASF SE
Published On: Thursday June 07th, 2012

 
Light lignocellulosic materials having good mechanical properties

A process for the production of a light lignocellulose-containing substance having an average density in the range from 200 to 600 kg/m.sup.3, in which, in each case based on the lignocellulose-containing substance: A) from 30 to 95% by weight of lignocellulose particles; B) from 1 to 25% by weight of expanded plastics particles having a bulk...

Company name: BASF SE
Published On: Thursday June 07th, 2012

 
SYSTEMS>> ADHESIVES>> HOT MELT
Isocyanate- and aldimine group- carrying compounds with a low isocyanate monomer content

Isocyanate- and aldimine group-carrying compounds VB of formula (I), their compositions and I uses thereof. The moisture cross-linking polyurethane compositions are characterized by a surprisingly low content in monomeric isocyanates and are therefore especially suitable as hot-melt adhesives.

Company name: Sika Technology AG
Published On: Thursday June 07th, 2012

 
SYSTEMS>> COATINGS
Single-component coating having alkoxysilane-terminated n-substituted urea resins

The coating described herein attempts to provide this solution by synthesizing alkoxysilane-terminated N-substituted urea resins, then formulating them into moisture-curable single-component (1K) topside coatings. These coatings will provide greater external stability (to UV and visible radiation), cleanability, flexibility, cure times and lower...

Company name:
Published On: Thursday June 07th, 2012

 
SYSTEMS>> COATINGS>> HIGH-GLOSS
High-gloss polyurethane coatings prepared from allophanate/polyisocyanate hardener compositions

Hydrophilic hardener compositions include at least one hydrophobic polyisocyanate, the hydrophobic polyisocyanate containing one or more allophanate functional groups, and the allophanate functional groups being present in the hardener compositions in an amount at least equal to 6 mol % relative to the total number of moles of isocyanate monomers...

Company name: Perstorp
Published On: Wednesday June 06th, 2012

 
SYSTEMS>> COATINGS>> INKS
Low VOC solvent-borne printing inks

Styrene-acrylic dispersants for use in pigment dispersions have lower viscosities than benchmark formulations such as nitrocellulose, dimer-acid based polyamides, and thermoplastic polyurethanes, prepared under otherwise identical conditions. Lower viscosities allow for the preparation of similarly viscous dispersions and inks with the...

Company name:
Published On: Thursday June 07th, 2012

 
SYSTEMS>> ELASTOMERS>> GELS
Porous gels based on aromatic and cycloaliphatic amines

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 polyfunctional cycloaliphatic amine. The invention further relates to a process for preparing porous gels, to the porous gels thus obtainable...

Company name: BASF SE
Published On: Thursday June 07th, 2012

 
SYSTEMS>> BIOMATERIALS
Steroid lipid-modified polyurethane as an implantable biomaterial, the preparation and uses thereof ...

A modified polyurethane including a lipid substituent from at least one urethane nitrogen and/or at least carbon atom of the modified polyurethane.

Company name: The Children s Hospital of Philadelphia
Published On: Tuesday June 05th, 2012

 
CASE>> COATINGS
Solventless methods of coating a carbon nanotube network and carbon nanotube networks coated with a...

A method of coating a carbon nanotube material with a solventless coating composition is described. The resulting coating has been shown to preserve the conductivity of the conductive layer and protect the conductive layer from the effects of subsequent coating compositions. Examples are shown in which the coating formulation comprises a polyol and...

Company name: Battelle Memorial Institute
Published On: Thursday June 07th, 2012

 
CASE>> SEALANTS
Adhesives and sealants containing cyclohexane polycarboxylic acid derivatives

The invention relates to an adhesive or sealant comprising at least (A) 10% to 90% by weight of a compound selected from the group consisting of polyurethanes, polyureas, polyacrylates and polysulphides and at least (B) 1% to 50% by weight of a cyclohexanepolycarboxylic acid derivative, the adhesive or sealant containing no C.sub.4 to C.sub.8 alkyl...

Company name: BASF SE
Published On: Wednesday June 06th, 2012

 
CASE>> COMPOSITES
Polyurethane composite material

The invention relates to an aerogel composite material, a process and a composition for producing the composite material, and also the use of the composite material.

Company name: BASF Schwarzheide GmbH
Published On: Thursday June 07th, 2012

 
FINISHED PRODUCTS
Low melt plastic fastener

A low-melt plastic fastener. According to one embodiment, the low-melt plastic fastener is shaped to include a flexible filament having a first cross-bar at a first end, and a second cross-bar at a second end. The filament, the first cross-bar, and the second cross-bar may be formed from the same material and may be molded as a unitary structure....

Company name: Avery Dennison
Published On: Wednesday June 06th, 2012

 
FINISHED PRODUCTS>> WIND ENERGY>> WINGS AND BLADES
Core foams of polyurethane for production of wings and blades for wind power systems in particular

A reinforced polyurethane foam obtained by (1) mixing polyisocyanates (a) with compounds having isocyanate-reactive groups (b), a blowing agent containing water (c), and optionally a catalyst (d) and further additives (e) to form a reaction mixture, and (2) curing the reaction mixture, where the reaction mixture to be cured contains hollow...

Company name: BASF SE
Published On: Thursday June 07th, 2012

 
FINISHED PRODUCTS>> COATED FABRICS>> DRYSUIT
Material for a drysuit

A drysuit for diving and other wet activities includes an outer waterproof layer and an inner insulating layer. On the inside of the outer waterproof layer, which can be butyl rubber or polyurethane, there is received a detachably attached three-dimensional polyester textile that is flexible and has air throughput capacity in two directions. Thus,...

Company name: Waterproof Diving International
Published On: Wednesday June 06th, 2012

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf balls including crosslinked thermoplastic polyurethane

This disclosure relates to golf balls 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 as catalyzed by a free radical initiator. The...

Company name: Nike
Published On: Tuesday June 05th, 2012

 
FINISHED PRODUCTS>> PAPER MAKING>> BELT
Papermaking process belt and method for making the same

A process belt for papermaking with a long operational life including an integrated structure of a reinforcing fibrous base material and a polyurethane layer is disclosed. The reinforcing fibrous base material is embedded in the polyurethane and the outer peripheral surface and the inner peripheral surface are made of the polyurethane....

Company name: Ichikawa
Published On: Wednesday June 06th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> PUMP
Polymeric pump parts

Polymeric and polymeric composite parts for pumps and a method of manufacturing same are disclosed. More specifically, a valve insert comprising a polymeric seal sized to fit on an outside diameter of a valve closure member for a plunger pump; a pressure packing element ring for a plunger on a plunger pump; and a pressure packing element ring for a...

Company name:
Published On: Thursday June 07th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> CASTER & WHEELS
Non-slipping wheel

Non-slipping wheel (1) comprising an elastomer layer (3) which covers at least the radially outer part of the wheel, characterized in that the elastomer layer has been provided with bubbles which are continuously torn open during use of the wheel thereby generating a suction effect. The bubbles can be provided by foaming the elastomer. The...

Company name: Diversey
Published On: Wednesday June 06th, 2012

 
CHEMISTRY
Polymerizable composition comprising perfluoropolyether material having ethylene oxide repeat unit...

Presently is described a free-radically polymerizable composition comprising a mixture of reaction products of i) at least one polyisocyanate; ii) at least one isocyanate reactive perfluoropolyether compound; iii) at least one isocyanate reactive compound comprising greater than 6 repeat units of ethylene oxide; and iv) at least one isocyanate...

Company name: 3M Innovative Properties Company
Published On: Thursday June 07th, 2012

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> SOY BASED POLYOLS
Synthesis of bio‐based polyurethanes from epoxidized soybean oil and isopropanolamine

Epoxidized soybean oil (ESO) and isopropanolamine were used to synthesize a new polyol mixture for preparation of bio-based polyurethanes. The chemical synthetic route for reaction of ESO with isopropanolamine was analyzed by 1H-NMR. The results suggested that both ester groups and epoxy groups in ESO had reacted with amino group of...

Company name: Chinese Academy of Sciences
Published On: Monday June 11th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Preparation of hyperbranched polyester polyol-based urethane acrylates and applications on...

In the present study, hyperbranched urethane acrylates (UA/HB-PEs) were synthesized by modifying the hydroxyl groups of hyperbranched polyester polyols (HB-PEs). The structure of oligomers were characterized by FTIR and 1H NMR spectroscopic techniques. Formulations containing UA/HB-PEs, reactive diluents, and photoinitiator were applied onto wood...

Company name: Istanbul Technical University
Published On: Monday June 11th, 2012

 
SYSTEMS>> COATINGS>> WATER-BORNE COATINGS
Waterborne cationomer polyurethane coatings with improved hydrophobic properties

The AFM method was used to investigate the phase structure of the coatings, which have been obtained after application of polyurethane cationomers, synthesized in the reaction of 4,4′-methylenebis(phenyl isocyanate) or isophorone diisocyanate with polyoxyethylene glycol (M = 600) and N-methyl or N-butyldiethanolamine with...

Company name: Rzeszow University of Technology
Published On: Monday June 11th, 2012

 
SYSTEMS>> BIOMATERIALS>> NANOCOMPOSITE
Structural, mechanical, and biocompatibility analyses of a novel dental restorative nanocomposite

Structure and biocompatibility are key parameters that determine the usefulness of dental materials for clinical use. Novel polyurethane (PU) nanocomposite material was prepared by chemically binding nanohydroxyapatite (nHA) to the diisocyanate component of the PU backbone by solvent-polymerization. nHA was incorporated into PU by the stepwise...

Company name: COMSATS Institute of Information Technology
Published On: Monday June 11th, 2012

 
CHEMISTRY
Synthesis and properties of biodegradable network poly(ether‐urethane)s from L‐lysine...

Biodegradable network poly(ether-urethane) films with different hydrophilicity were prepared from l-lysine triisocyanate (LTI) and poly(ethylene glycol) (PEG), poly(1,4-tetramethylene glycol) (PTMG) or poly (propyrene glycol) (PPG) with the molecular weights of 250–2000 g mol−1. Prepolymers prepared by a melt-polycondensation were cast from...

Company name: Kyoto Prefectural University
Published On: Monday June 11th, 2012

 
Structure–property relationships in polyhydroxyurethanes produced from terephthaloyl...

This article focuses on the synthesis and characterization of polyhydroxyurethanes (PHUs) obtained from the reaction between bis[(2-oxo-1,3-dioxolan-4-yl)methyl]benzene-1,4-dicarboxylate (DCter) and various diamines (aliphatic, cycloaliphatic and oligomeric) or polyamines (diethylenetriamine (DETA) and diethylenetetramine (TETA)). The temperature...

Company name: Institut Charles Gerhardt Montpellier
Published On: Monday June 11th, 2012

 
Thermal Degradation and Kinetics of Alginate Polyurethane Hybrid Material Prepared from Alginic Acid...

Alginate polyurethane hybrid materials are prepared by varying mole ratio of 2, 4-TDI as a di-isocyanate and alginic acid as a polyol in presence of dimethyl sulfoxide (DMSO) as a solvent. FT-IR and 13C one-dimensional (1D) solid state NMR (SSNMR) spectroscopy indicates that alginic acid is converted into alginate-polyurethane hybrid material via...

Company name: Yonsei University
Published On: Monday June 11th, 2012

 
Thermal and optical properties of novel polyurea/silica organic–inorganic hybrid materials

Current optical polymeric materials for advanced fiber laser development are susceptible to degradation due to the heat generated in high power usage. A suitable replacement light stripping material was explored to overcome this problem by examining optical and physical properties such as transmission/absorption, refractive index, thermal...

Company name: University of Dayton Research Institute
Published On: Monday June 11th, 2012

 
The Synthesis and FTIR, Kinetics and TG/DTG/DTA Study of Inter Penetrating Polymer Networks (IPNs)...

Interpenetrating polymer networks from agricultural products such as glycerol modified castor oil polyurethanes and cardanol based dyes have not been extensively studied so far. Such polymers were synthesized using benzoyl peroxide as initiator and ethylene glycol dimethacrylate as cross-linker. Characterizations of these polymers were performed by...

Company name: Ravenshaw University
Published On: Monday June 11th, 2012

 
 

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