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    PU2PU
  Issue-414 - June 02, 2014   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> POLYOLS
INVISTA's latest TERRIN polyol offering completes TSCA registration

After introducing the TERRIN™ polyols brand to the market in 2013, INVISTA recently manufactured the first commercial batch of TERRIN™ 170 polyol at its facility in Wilmington, N.C., completing TSCA registration for the entire TERRIN™ polyol family and placing it on the U.S. Chemical Inventory. INVISTA continues its commitment to sustainability and...

Company name: Invista - TERRIN Polyols
Published On: Monday June 02nd, 2014

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Anellotech successfully produces kilogram-scale green BTX

With the successful start-up of its Pearl River pilot plant, Anellotech, a company focusing on producing low-cost green versions of petrochemicals, is now able to meet its commitment to provide BTX developmental quantities for evaluation by a number of strategic partners who invested in the development of the process. At the pilot plant, the...

Company name: Anellotech
Published On: Wednesday May 28th, 2014

 
Emery Oleochemicals Set to Feature Innovative Renewable and Recycled Chemical Solutions at UTECH...

Emery Oleochemicals, a leading global provider of high performance and natural-based chemicals, is all set to revolutionize the polyurethane industry with its unique 'Renewable & Recycled' solutions. Presenting its latest Eco-Friendly Polyols (EP) solutions for the first time at the most coveted polyurethane international exhibition, UTECH 2014,...

Company name: Emery Oleochemicals
Published On: Friday May 30th, 2014

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
COIM Announces Diexter G products Price Increase

COIM USA INC. to increase prices on Diexter G products, aliphatic polyester polyols for flexible foams and C.A.S.E. and Isoexter products, aromatic polyester polyols for rigid foams.Effective June 1, or as contract will allow, Coim USA Inc, polyurethane chemicals company, will increase the prices of Diexter G products, aliphatic polyester polyols...

Company name: Coim Group
Published On: Friday May 30th, 2014

 
PU RAW MATERIALS>> ISOCYANATES>> MDI
Shanghai Lianheng Plans to Build 240 ktpa MDI Facility in Shanghai

Shanghai Lianheng and Huntsman (Shanghai) plans to invest 4.66 billion Yuan to newly build a MDI facility with a capacity of 240 ktpa in Shanghai Chemical Industry Park, according to an announcement by Shanghai Chlor-Alkali Chemical Co., Ltd, who holds 15% share of Shanghai Lianheng.The expansion project includes 240 ktpa crude MDI manufacturing...

Company name: Shanghai Lianheng
Published On: Wednesday May 28th, 2014

 
CASE>> COATINGS
Successful premiere of the European Coatings SHOW RELOADED

Attending the European Coatings SHOW in Nuremberg is widely recognized as a mandatory date in everyone's calendar within the paint and coatings industry. On 22 May, many of the ECS visitors have also taken the opportunity to attend the first European Coatings SHOW RELOADED, a virtual update on products and solutions which were presented on the ECS...

Company name: the European Coatings SHOW RELOADED
Published On: Wednesday May 28th, 2014

 
CASE>> COATINGS>> SPRAY FOAMS
DC315 Testing Reports Find New Home at SprayFoamThermalBarriers.com

International Fireproof Technology Inc. (IFTI) has announced a new location for downloading the company's testing reports for DC315 intumescent coating. All thermal and ignition barrier testing reports for DC315 can be found in the Test Report Archive at SprayFoamThermalBarriers.com.SprayFoamThermalBarriers.com is the web's newest resource for...

Company name: International Fireproof Technology
Published On: Tuesday May 27th, 2014

 
CASE>> ADHESIVES
Devcon R-Flex - Urethane Belt Repair Kit

The new Devcon R-Flex™ Belt Repair Kit from ITW Polymers Adhesives North America (formerly ITW Devcon) is formulated to quickly repair tears, gouges, and holes in styrene-butadiene rubber (SBR) heavy weight conveyor belts. Offering excellent abrasion resistance as well as superior adhesion, the R-Flex urethane compound is easy to mix and cures...

Company name: ITW Devcon
Published On: Wednesday May 28th, 2014

 
CASE>> SEALANTS
TREMCO JS780 S - Soft Butyl Primary Sealant for Flexible Spacers

For many years tremco illbruck has followed a responsible approach towards sustainability and we pay great attention to the evolution of our product range. We strive to develop products that are more environmentally friendly, that simplify or optimize our customers' business and processes or which enhance the durability of systems that improve the...

Company name: Tremco illbruck
Published On: Monday May 26th, 2014

 
CASE>> ELASTOMERS>> TPU EXTRUSION
APS Elastomers Offers TPUs with Improved Extrudability

APS Elastomers has developed a hard thermoplastic polyurethane (TPU) that is easier to extrude. The new series of TPUs offers the extrudability of softer grades providing tubing manufacturers the advantages of hard TPUs without their production drawbacks. "The specially formulated TPU enables a thinner wall for tubing, which requires less material;...

Company name: APS Elastomers
Published On: Thursday May 29th, 2014

 
FINISHED PRODUCTS
Innovations in Plastics Contribute to Safety and Sustainability

Beyond the obvious pain and suffering caused by preventable injuries and deaths, many people don't connect these personal misfortunes with the immense burden on societal, economic and environmental sustainability. In reality, these tragedies have radical effects on all aspects of sustainability.For example, reports indicate that fatal accidents...

Company name: Canadian Plastics Industry Association
Published On: Monday May 26th, 2014

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SEATS
Bridgestone raises truss for new plant for the manufacture of polyurethane foam for automotive seats...

Bridgestone Corporation today announced that it raised the first truss of the group's new plant in Mexico that will produce polyurethane foam for automotive seats. The truss was erected at a ceremony held on May 29, 2014 at the site of the future manufacturing facility in the City of Apaseo El Grande, in the State of Guanajuato, Mexico.The ceremony...

Company name: Bridgestone
Published On: Friday May 30th, 2014

 
FINISHED PRODUCTS>> BEDDING
More Regulation, Public Awareness Needed to End Toxic Chemicals in Crib Mattresses

Every day across the country, parents place their newborn babies and infants on crib mattresses to sleep for 12 or more hours per day. What many parents don't know is that on the surfaces of some of these crib mattresses are toxic and endocrine-disrupting chemicals that are in close proximity to an infant's breathing zone and sometimes in direct...

Company name: University of Texas
Published On: Tuesday May 27th, 2014

 
FINISHED PRODUCTS>> MEDICAL>> BONE & CARTILAGE
Company exports Polyurethane artificial bones to Arabs

Nacional Ossos, a synthetic bone manufacturing company based in the city of Jaú, Sao Paulo, ships product to the United Arab Emirates and Saudi Arabia and plans on entering new markets in the Arab world. Promising business contacts have been made with Jordan and Lebanon. "Their market is huge, we are only getting started," says partner Paulo Costa...

Company name: Nacional Ossos
Published On: Monday June 02nd, 2014

 
FINISHED PRODUCTS>> DECORATING AND PROTO.>> TOOLING AND MODELING BOARDS
The best solutions for modeling and mold engineering

RAMPF Group, Inc., the North American subsidiary of the RAMPF Group of companies, is presenting its comprehensive RAKU-TOOL product portfolio for modeling and mold engineering at the SAMPE Seattle exhibition for the materials and processes industry from June 3 - 4, 2014, at the Washington State Convention Center.Visitors to this year's SAMPE...

Company name: RAMPF Group Inc
Published On: Monday June 02nd, 2014

 
FINISHED PRODUCTS>> INDUSTRIAL>> VIBRATION DAMPING COMP.
Light Hydraulic Breakers from Crowder Pneumatics

The straightforward construction also means that CP breakers are extremely quiet,since the hammer mechanism is completely enclosed by the outer protective box. But that 's only part of the story. What really makes a difference is a polyurethane cushion. Placed between the hammer body and the hammer box, it prevents metal-to-metal contact, cutting...

Company name: Crowder Pneumatics
Published On: Monday May 26th, 2014

 
FINISHED PRODUCTS>> HOUSING>> FURNITURE FOAM
Opportunities for a National Flammability Standard for Upholstered Furniture May 22, 2014

UL Conference Atlanta May 21 - 22, 2014 Polyurethane Foam Association presentationThank you to UL and the organizing staff for inviting me to speak today so that I can share the Polyurethane Foam Association's point of view on the subject of managing furniture flammability in a science-based manner. First a little bit of background about our...

Company name: Polyurethane Foam Association, Inc
Published On: Wednesday May 28th, 2014

 
INDUSTRY UPDATE
India Notifies WTO Of Slabstock Polyol Investigation

India has notified the World Trade Organization (WTO) that it initiated on May 22, 2014, a safeguard investigation on flexible slabstock polyol.On February 4, 2014, an anti-dumping duty imposed by India on flexible slabstock polyol imports from the US and Japan expired, having been extended for a year in 2013. In addition, India initiated an...

Company name:
Published On: Monday June 02nd, 2014

 
BASF again leading in research and innovation

BASF increased spending on research and development to €1.8 billion (2012: €1.7 billion) in 2013. "In absolute terms, we lead the field in the chemical industry with our research and development expenditures," said Dr. Andreas Kreimeyer, member of the Board of Executive Directors of BASF SE and Research Executive Director, at the Research Press...

Company name: BASF Polyurethanes
Published On: Friday May 30th, 2014

 
Freudenberg-NOK Invests in Fluid Power Segment Capabilities with Expansion of Schwalmstadt, Germany...

Freudenberg-NOK Sealing Technologies is continuing to build its global fluid power leadership through significant investments at its Schwalmstadt, Germany material production site.The Schwalmstadt facility produces the company's new polyurethane and other materials that are used at Freudenberg-NOK plants, including the Troy, Ohio location.Over the...

Company name: Freudenberg-NOK
Published On: Tuesday May 27th, 2014

 
SAIP joined the China Polyurethane Products Association of CPPIA and illustrates its achievements...

SAIP EQUIPMENT joined the China Polyurethane Association of CPPIA at the beginning of 2014 and participated the forum organized by SINO PU Association, which was held from April 17th to April 19th in Hangzhou. CPPIA - China Plastics Processing Industry Association - is an industrial organization in the field of plastics processing Chinese industry...

Company name: SAIP Srl
Published On: Wednesday May 28th, 2014

 
US court awards USD 7.4 million verdict to Cellchem against Yoke subsidiary Shekoy Chemicals US,...

A Cobb County Superior Court recently awarded just under USD 7.4 million, including USD 5.1 million in punitive damages, to Cellchem International, LLC in its lawsuit against Shekoy Chemicals US, Inc. (the US subsidiary of Jiangsu Yoke Technology Co., Ltd. of Yixing City, China), Tritec International, Inc., Dale Lyman, and Helen Lyman. The...

Company name: Cellchem
Published On: Tuesday May 27th, 2014

 
Chemtura: Restructuring Might Provide An Opportunity

On April 17th, 2014, Chemtura Corp announced that it has entered into a definitive agreement to sell its agrochemicals business, Chemtura AgroSolutions, to Platform Specialty Products Corp, a global specialty chemicals company, for approximately $1 billion. The consideration will be funded with $950 million in cash and 2 million shares of...

Company name: Chemtura Corporation
Published On: Tuesday May 27th, 2014

 
HEALTH & SAFETY
Spray Foam Coalition Comments on California "Priority Products List" Workshop

The California Department of Toxic Substances Control's (DTSC) Safer Consumer Products Program held a public workshop today in Oakland to gather input on the initial Priority Products list before the official rulemaking process begins. The Spray Foam Coalition, a self-funded group of the American Chemistry Council (ACC), released the following...

Company name: the Center for the Polyurethanes Industry
Published On: Thursday May 29th, 2014

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> CATALYSTS
Preparation of carbamates with solid catalysts

Carbamate preparation process comprising, the reaction between at least: an amine or polyamines, an organic carbonate of formula (OR)(OR')C.dbd.O, a catalyst which is formed by at least a support selected from at least a metal oxide, a microporous material, a mesoporous material, an anionic laminar compound of hydrotalcite type or their derivatives...

Company name: Universidad Polit�cnica de Valencia
Published On: Tuesday May 27th, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION
Resin-encapsulated current limiting reactor

The present invention is a resin-encapsulated current limiting reactor that has a number of layers of insulated copper with terminals on each end, and a number of layers of Nomex.RTM. fiber insulation wrapped adjacent to each other into a circular or elliptical shape, and encapsulated in polyurethane resin under vacuum.

Company name: Phasetronics
Published On: Monday June 02nd, 2014

 
SYSTEMS
Low-viscosity urethane system

A two-component urethane system. The first component is a hydroxy-terminated polyester polyol containing polymerized residues of phthalic acid and an aliphatic diol having M.sub.n from 60 to 150, and having no more than 15 wt % polymerized residues of aliphatic acids. The second component is an isocyanate-terminated prepolymer containing...

Company name: Rohm and Haas Company
Published On: Tuesday May 27th, 2014

 
SYSTEMS>> ADHESIVES>> LAMINATES
Laminating adhesive

[Solution to Problem] The laminating adhesive of the present invention includes a polyisocyanate component (A) and a polyol component (B), wherein the polyisocyanate component (A) contains a polyisocyanate (A1) that does not contain an aromatic ring, and the polyol component (B) contains a macropolyol (B1) that does not contain an aromatic ring but...

Company name: Mitsui Chemicals
Published On: Tuesday May 27th, 2014

 
SYSTEMS>> ADHESIVES>> MOISTURE CURED
Continuous process for the production of moisture-cure, polyurethane sealants and adhesives

A process for continuous manufacturing of moisture-curable polyurethane formulations used as sealants and adhesives. The process is characterized by the fact that the reactive components are introduced independently, and without the need for a prepolymer, to a mixer. Solid or liquid raw materials can be either pre-blended or fed directly to the...

Company name: Bostik
Published On: Tuesday May 27th, 2014

 
SYSTEMS>> ADHESIVES>> TWO-COMPONENTS
Resin composition, two-pack type adhesive for laminates, multilayer film, and back sheet for solar...

Provided are a resin composition with high adhesion to substrates under hot and humid conditions, a two-part laminate adhesive containing the resin composition, and a laminated film and backsheet for solar cells including a layer of the adhesive. The resin composition contains, as essential components, a polyester polyurethane polyol (A) having a...

Company name: DIC Corporation
Published On: Tuesday May 27th, 2014

 
SYSTEMS>> COATINGS
Solvent-borne clearcoat coating composition, method for producing it and use thereof

Solvent-containing clearcoat coating composition comprising (A) an OH-functional (meth)acrylate (co)polymer comprising (A1) 30%-99% by weight, based on the mass of the nonvolatile fraction of (A), of at least one OH-functional (meth)acrylate (co)polymer having an OH number of 60-200 mg KOH/g and glass transition temperature T.sub.g of 15.degree. C....

Company name: BASF Coatings AG
Published On: Monday June 02nd, 2014

 
SYSTEMS>> COATINGS>> RADIATION CURABLE COATINGS
D1364 BT secondary coatings on optical fiber

The invention relates to a Radiation Curable Secondary Coating composition for use on an Optical Fiber. The Radiation Curable Secondary Coating composition is a urethane-free Alpha Oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an...

Company name: DSM
Published On: Tuesday May 27th, 2014

 
SYSTEMS>> BIOMATERIALS>> GELS
Use of elastomers to produce gels for treating a wellbore

A method of treating an earthen formation that includes introducing a first amount of a first blocked isocyanate in a liquid phase into the earthen formation; introducing a second amount of a second blocked isocyanate in a liquid phase into the earthen formation; the second blocked isocyanate group having a lower unblocking temperature than the...

Company name:
Published On: Monday June 02nd, 2014

 
FOAMS
Foamed isocyanate-based polymer, a mix and process for production thereof

The invention relates to a foamed isocyanate-based polymer derived from a reaction mixture comprising an isocyanate, an active hydrogen-containing compound, a blowing agent and a highly branched polysaccharide which is derivatized with at least two esters of different length. Further the invention relates to a mix and a process for the production...

Company name: Dupont Nutrition Bioscience
Published On: Tuesday May 27th, 2014

 
FOAMS>> FLEXIBLE>> VISCOELASTIC FOAMS
Aqueous emulsion resin for producing memory foam and method for manufacturing memory foam product

An aqueous emulsion resin for producing memory foam and a method for manufacturing memory foam products are revealed. The emulsion resin mainly includes 38.about.58% hydrophilic polyurethane(PU) prepolymer, 8.about.22% aqueous emulsion polymer and 8.about.20% polyether polyol. The PU prepolymer includes 40.about.70% polyether polyol and...

Company name: Isotech Products
Published On: Monday June 02nd, 2014

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

The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (b) at least one aliphatic polyol having 4 to 18...

Company name: PPG Industries Ohio, Inc.
Published On: Tuesday May 27th, 2014

 
Clear coating composition and method for coating automobile body

To provide a coating composition, which is capable of providing a coating film on a resin part and on a steel plate part at the same time at lower temperatures than conventional coating compositions, and which is capable of providing a coating film that has excellent bending resistance. A clear coating composition, which contains a base material...

Company name: Honda Motor
Published On: Monday June 02nd, 2014

 
CASE>> COATINGS>> POLYUREA
Tank base

A method for the construction of an improved tank base. A tank base is constructed for protection against accidental spills and/or leaks associated with a tank battery. The improved tank base comprises at least one part of a suitable substrate, which allows for the adhesion of an elastomer such as polyurea. Polyurea is preferably applied using a...

Company name: Falcon Technologies and Services
Published On: Tuesday May 27th, 2014

 
CASE>> COATINGS>> COMPOSITE COATING
Composite coating material and the production method of the same

A composite coating material for covering an electronic device includes a surface layer with a surface pattern printed by a release paper, said surface layer being an outer layer of said composite coating material; structure layer made of polyurethane (PU) material, said structure layer being a middle portion of said composite coating material, and...

Company name:
Published On: Monday June 02nd, 2014

 
CASE>> COATINGS>> PAINTS
Paint composition and coated article using the same

A paint composition contains polyurethane paint and nano silicon dioxide. The weight percentage of the nano silicon dioxide in the paint composition is about 2% to about 10%. The surface of the nano silicon dioxide chemically bonds with a silane coupling agent having amino function groups or an aluminate coupling agent having amino function groups.

Company name: Shenzhen Futaihong Precision Industrial
Published On: Monday June 02nd, 2014

 
CASE>> ADHESIVES>> HOT-MELT
Thermally reversible hot melt adhesive composition containing multifunctional diene and dienophile...

The invention relates to a thermally reversible hot melt adhesive that is isocyanate-free, moisture independent, crosslinkable and thermally reversible. The thermally reversible hot melt adhesive may be repeatedly heated and cooled without negatively affecting the performance of the adhesive. The thermally reversible composition may also be used as...

Company name: Henkel
Published On: Tuesday May 27th, 2014

 
CASE>> ELASTOMERS>> ELASTIC THREAD
Elastic polyurethane thread and manufacturing method thereof

In order to provide an elastic polyurethane thread with excellent antibacterial and deodorant properties as well as excellent color fastness, an elastic polyurethane thread is made which consists of polyurethanes which have polymer diols and diisocyanates as the starting materials, contains metallic phosphates in the range of 0.5-10 wt %, and has...

Company name: Toray Opelontex
Published On: Monday June 02nd, 2014

 
CASE>> ELASTOMERS>> TPU
Flame-retardant thermoplastic resin composition

The flame-retardant thermoplastic resin, composition comprised of the following Components (C), (D) and (E) with the thermoplastic resin composition having a thermoplastic polyurethane elastomer of the Component (A) and an ethylene polymer and/or an ethylene copolymer of the Component (B) as the main components; Component (C): a (poly) phosphate...

Company name: Adeka
Published On: Tuesday May 27th, 2014

 
CASE>> COMPOSITES>> RADICALLY CURABLE
Radically curable urethane dimethacrylates and compositions thereof for tougher dental prosthetics

A radically curable polyurethane composite for dental restorations, including provisional restorations, includes polyurethane dimethacrylate prepolymers that have at least one flexible unit within a polyurethane dimethacrylate backbone, and one or more dimethacrylate monomers. Composite materials made with polyurethane dimethacrylate prepolymers of...

Company name: Pulpdent
Published On: Tuesday May 27th, 2014

 
FINISHED PRODUCTS
Urethane foam molded article, manufacturing method thereof, and magnetic induction foam molding...

A magnetic induction foam molding apparatus comprising: a pair of electromagnet parts, each of which has a core part composed of a ferromagnet and a coil part placed on the outer circumference surface of the core part, and that are placed so as to face each other and depart from each other with a predetermined distance in the axis direction of the...

Company name: Tokai Rubber Industries, Ltd
Published On: Tuesday May 27th, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Polyurethane foam panel and production method for polyurethane foam panel

A polyurethane foam panel, obtained by mixing a polyol composition comprising polyol compounds, and water as a blowing agent with a polyisocyanate component to react therewith, wherein the polyol compounds comprise a polyether polyol (A) which is a polymer made from an alkylene oxide and has an average functional group number of 2 to 4 and a...

Company name: Toyo Tire & Rubber Co., Ltd
Published On: Monday June 02nd, 2014

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SUSPENSION COMPONENTS
Vehicular suspension enhancement

A vehicular suspension enhancement that comprises the addition of a pair of cellular polyurethane elastomer cylindrical shaped springs, one located on each side of an axle. Each spring is operatively attached between the axle and the vehicular frame and made from a cast of cellular polyurethane elastomer derived from a polyol diisocyanate mixture...

Company name: Supersprings International
Published On: Tuesday May 27th, 2014

 
FINISHED PRODUCTS>> COLD STORAGE & REFRIGERATION
Polyurethane-polyurea coated door for walk-in coolers and freezers

Described herein is a custom built-to-size, polyurethane-polyurea coated door for walk-in coolers and freezers, which will withstand collision, and wear-and-tear in an industrial or commercial setting.

Company name:
Published On: Tuesday May 27th, 2014

 
FINISHED PRODUCTS>> FOOTWEAR
Transparent shoe sole associated with internal gel with common shock absorbers ovals to cushion the...

The present invention refers to a clear shoesole, soft and flexible polyurethane that is complemented with a matching shoeplate gel that can be removed from the shoe. Both show the same design of oval-shock absorbers, which causes the reduction of the impact when walking and the increase of the cushioning effect. Applicable to any type of footwear...

Company name: Grupo Flexi De Leon
Published On: Monday June 02nd, 2014

 
CHEMISTRY
Process for the production of polyurethane polyureas containing side chains and of aqueous...

The present invention relates to a process for the production of aqueous polyurethane-polyurea dispersions for which A) firstly A1) primary and/or secondary monoamines or diamines are reacted with A2) cyclic carbonates which contain precisely one hydroxy group, where the molar ratio of A1) and A2) is such that in the case of monoamines A1) the...

Company name: Clariant International
Published On: Monday June 02nd, 2014

 
Porous polyurethane networks and methods of preparation

Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and...

Company name: Aerogel Technologies
Published On: Monday June 02nd, 2014

 
Two-photon absorbing cross-linked polyurethanes containing...

Two-photon absorbing (2PA), cross-linked polyurethanes were prepared from bis(isocyanato) monomers, tris(isocyanato) monomers or a mixture thereof, in conjunction with novel polyol molecules with donor-acceptor octupolar geometry, whose generic structure is comprised of an electron-accepting 1,3,5-triazine hub with three spokes constituted by...

Company name: The United States of America as represented by the Secretary of the Air Force
Published On: Tuesday May 27th, 2014

 
Polyenureas and method of making the same

A method of making a polymer by providing an imine and reacting the imine with a polyisocyanate in the presence of a hydroxyl group. The imine is a polyaldimine, hydroxyaldimine, polyketimine, or hydroxyketimines. The polymer has urea linkages formed from the imine and polyisocyanate and urethane linkages formed from the hydroxyl group and the...

Company name: United States Govemment, as represented by the Secretary of the Navy
Published On: Tuesday May 27th, 2014

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Flue gas reclaimed as polymer feedstock

The first systematic environmental assessment of an industrial plant that produces polyols from carbon dioxide has revealed that they significantly reduce both carbon dioxide emissions and the demand on fossil fuel reserves.1Polyols are the major component of polyurethanes, which make up foams or thermoplastic urethanes in a wide range of...

Company name: RWTH Aachen University
Published On: Wednesday May 28th, 2014

 
SYSTEMS>> BIOMATERIALS>> THERMOPLASTICS
Morphology, mechanical properties, and mineralization of rigid thermoplastic...

Rigid thermoplastic polyurethane (TPU)/hydroxyapatite (HA) scaffolds were prepared with micro HA (mHA) and nano HA (nHA) particles, respectively, via the thermally induced phase separation method. The effects of solvent and co-solvent, addition of sodium chloride (NaCl) porogen, and HA particle size were studied together with the morphology,...

Company name: University of Wisconsin-Madison
Published On: Monday June 02nd, 2014

 
CASE>> ELASTOMERS>> SPECIAL ELASTOMERS
Fluoro-modified elastomeric polyurethanes: effects of synthesis procedure on properties and...

Fluorinated polyurethanes characterized by a segmented structure, containing hard segments based on 4,4′-methylenebis (phenylisocyanate) (MDI), chain-extender 1,4 n-butandiol (BDO), and soft blocks like perfluoropolyether (PFPE), and poly-ε-caprolactone (PCL) were synthesized keeping constant the equivalent ratio among reagents, but...

Company name: Università di Genova
Published On: Monday June 02nd, 2014

 
CHEMISTRY
New Antibacterial Composites: Waterborne Polyurethane/Gold Nanocomposites Synthesized Via...

Gold nanoparticles (Au NPs) have a good reputation in antibacterial property, but bad in stability. In order to get the materials which have the continuous antibacterial performance, we firstly try composites which combine waterborne polyurethane (WPU) with Au NPs. The WPU was previously synthesized by the method of self-emulsifying polymerization....

Company name: Wuhan University of Technology
Published On: Monday June 02nd, 2014

 
 

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