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    PU2PU
  Issue-359 - May 06, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> LIGHT STAB. & UV ABS.
Chemtura Completes Sale of Antioxidant and UV Stabilizers Business to SK Capital Partners

Chemtura Corporation today announced it has completed the sale of its Antioxidant and UV Stabilizers business, including dedicated manufacturing plants in the U.S., France, and Germany, to affiliates of SK Capital Partners, for $200 million. The transaction is subject to a post-closing adjustment related to net working capital.“This divestiture...

Company name: Chemtura Corporation
Published On: Wednesday May 01st, 2013

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
New coating could replace brominated and chlorinated flame retardants

Brominated flame retardants are bio-accumulative, endocrine disruptors, and possibly kill more than they save, linked to cancer in firefighters. But they are still required in your furniture, thanks to some of the best lobbyists in the business.Now there may be an alternative to the brominated flame retardants; Jaime C. Grunlan of Texas A&M have...

Company name: Texas A&M University
Published On: Monday April 29th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Alipa updates HDI, H12MDI and IPDI Properties, Hazards and Safety Information

The aliphatic isocyanate industry produces a range of intermediate chemicals which are used in a wide variety of industrial applications. The aliphatic isocyanates are important basic materials and components for high-quality protective and decorative coating systems for modern adhesive systems and for specialties like elastomers.Products based on...

Company name: the European Aliphatic Isocyanates Producers Association
Published On: Monday May 06th, 2013

 
PU RAW MATERIALS>> ISOCYANATES>> MDI
Huntsman Dutch MDI operations back on line at reduced rates, FM remains

US-based Huntsman’s methyl di-p-phenylene isocyanate (MDI) operations at Rozenburg, Netherlands are running again, but at reduced rates as a result of ongoing upstream and downstream constraints, and a force majeure remaining in place on certain MDI grades, a company source said on Wednesday.Huntsman’s MDI facilities had been offline since the...

Company name: Huntsman Polyurethanes
Published On: Wednesday May 01st, 2013

 
SYSTEMS>> COATINGS>> DISPERSIONS
UV-curing PU-Dispersions for high demanding applications

Our latest product innovations we presented there, one of it was ALBERDINGK® CUR 77, an amin-free polyurethane dispersion with a part of 80 % renewable ressources (incl. water) to be used for interiour painting colours. Because white colours can be green, too. Onsite UV-curing. Ready, steady, go! Wood floring, very fast physical drying, ready for...

Company name: Alberdingk Boley, Inc
Published On: Tuesday April 30th, 2013

 
Freudenberg know-how for finishing

The finishing of textiles for sport, leisure and work is a key prerequisite for ensuring clothing has the required functional properties such as weather resistance. Commonly used impregnating agents, however, such as those based on perfluorinated compounds (PFCs) are controversial. The release of these substances into the environment is...

Company name: Freudenberg Group
Published On: Tuesday April 30th, 2013

 
CASE>> COATINGS>> POLYUREA
SPI Launches Innovative One-Step Concrete Resurfacing and Waterproofing Polyurea Elastomer

SPI's spray-applied Aquaseal Hi-Rise X3™ elastomeric bridging polyurea provides a cost-effective, one-step solution for concrete resurfacing and waterproofing. Aquaseal Hi-Rise X3™ forms a seamless, monolithic surface that reduces project labor and material cost by eliminating the time-consuming and costly process of applying a concrete primer,...

Company name: Specialty Products
Published On: Friday May 03rd, 2013

 
CASE>> COATINGS>> PAINTS
Axalta Coating Systems Launches Rival Economy Commercial Paint Brand

Axalta Coating Systems, formerly DuPont Performance Coatings, has introduced a new, single-stage polyurethane enamel called Rival, formulated to provide just the right mix of price and value for the economy commercial transportation segment, according to the company. Axalta says Rival is ideal for dealers, independent shops, fleets and...

Company name: Axalta Coating Systems
Published On: Tuesday April 30th, 2013

 
CASE>> ADHESIVES
Dynea establishes wood adhesives company for Europe

Dynea Oy announced the creation of the new company Dynea North, focusing on the speciality wood adhesives market in Europe.Dynea North offers a wide portfolio of adhesives for the wood processing industries and has a broad chemistry basis, ranging from formaldehyde-based resins to PU, EPI, PVAc, and hot melts. The company has been formed from Dynea...

Company name: Dynea
Published On: Tuesday April 30th, 2013

 
CASE>> ELASTOMERS>> CAST ELASTOMERS
What are the benefits of Cast Urethane

Urethane casting, that is also known as polyurethane casting, is really a balm throwing manufacture procedure accustomed to cast apparatuses produced from these supplies. The process utilizes short-term polymer bonded molds that are manufactured from a grasp part or even pattern. This type of casting is really a known procedure useful for the quick...

Company name: Action Prototype and Urethane Castings
Published On: Tuesday April 30th, 2013

 
CASE>> ELASTOMERS>> TPU
Lubrizol Launches Two New Oeko-Tex Certified Breathable Resins

Lubrizol Specialty Chemicals (Shanghai) Co., Ltd., a subsidiary of The Lubrizol Corporation, is introducing two new Oeko-Tex Standard 100 certified TPU (thermoplastic polyurethane) resins, for use in textiles, at the 2013 Chinaplas in Guangzhou, PR China. Estane MVT80 NT1 and Estane MVT90 NT1 are certified for use in Class I, II, III and IV by...

Company name: Lubrizol Advanced Materials, Inc
Published On: Wednesday May 01st, 2013

 
CASE>> COMPOSITES
The lightness of molding

The aerospace industry, a sector where the demand for light weight construction solutions is particularly high, was at the center of this year‘s JEC Europe in Paris, the world’s largest trade fair for composites technologies and applications. The RAMPF Tooling stand was therefore especially popular, as the leading producer of liquid, paste, Close...

Company name: RAMPF-Gruppe
Published On: Friday May 03rd, 2013

 
General Plastics to Debut Impact-Resistant Composite Panel at SAMPE

General Plastics Manufacturing Company will introduce its new impact-resistant, load-bearing panel at the 2013 SAMPE conference May 6-9 in Long Beach, California – the premier international event for the advanced materials and processes industry. In addition to its cutting-edge composite panel products, the company will highlight its...

Company name: General Plastics
Published On: Monday May 06th, 2013

 
FINISHED PRODUCTS
Urethane Products for Frac-Sand Transport

Although oil and gas companies have used polyurethane products for specific types of equipment, such as hydrocyclones, for many years, the industry is realizing that urethane can provide a wide variety of benefits and solutions, particularly when it comes to fortifying existing conveyance systems with polyurethane parts to make them more wear...

Company name: Bailey-Parks Urethane
Published On: Monday May 06th, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> FLOOR CAVITIES FILLING
Concrete Jack Completes Slab Foundation Repair Project Using High Density Polyurethane Foam Jacking

The slab foundation of a single family home being rehabilitated by a community non-profit redevelopment organization settled around the entire perimeter of the house. In order to complete the renovation cost-effectively, the organization approached Concrete Jack about lifting the floor using foam jacking.A Concrete Jack foam jacking crew was able...

Company name: Concrete Jack
Published On: Wednesday May 01st, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
HOUZE Announces Global Launch of ZERO Foam™ and Strategic Partnership with Lapolla Industries

HOUZE® Advanced Building Science Inc. is revolutionizing the way homes are built through its standard-setting zero-energy building systems and innovative energy solutions. And now, HOUZE is poised to take their zero-energy products one-step further, with the launch of ZERO Foam™, the most advanced closed-cell spray foam insulation on the market....

Company name: Houze Foam
Published On: Friday May 03rd, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE
Magna inaugurates plant in Germany

Magna International Inc. announced that its Magna Exteriors and Interiors (MEI) operating unit has expanded its footprint in Europe by opening a new manufacturing facility in Meerane, Germany, on 24 April 2013. MEI Meerane is located closely to Volkswagen Sachsen in Mosel, supplying sequenced, just-in-time exterior plastic parts for the automaker....

Company name: Magna Seating
Published On: Tuesday April 30th, 2013

 
FINISHED PRODUCTS>> BEDDING>> MATTRESSES CORES
What is in a Memory Foam Mattress?

With the growing popularity of the memory foam mattress, consumers are becoming more curious about not only comfort, but about the material itself and what it is made of. This type of bed remains one of the highest rated mattresses for owner satisfaction, due to its ability to conform to each individual and relieve pressure points. But, there is a...

Company name: BedEd.org
Published On: Tuesday April 30th, 2013

 
FINISHED PRODUCTS>> DECORATING AND PROTO.
JR Prototypes expands capabilities to meet customer demand

JR Prototypes, the prototyping and short-run manufacturing division of the Dielectric Corporation, now offers Selective Laser Sintering (SLS) and Cast Urethane prototyping in addition to Fused Deposition Modeling (FDM) and CNC prototyping.With the purchase of SLS and Cast Urethane prototyping equipment, JR Prototypes is able to offer a full range...

Company name: JR Prototypes
Published On: Monday May 06th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> CASTER & WHEELS
Caster Concepts Launches Industry-First - Custom Caster Configurator

Caster Concepts, Inc. a premier manufacturer of standard, special and custom heavy-duty industrial casters and wheels is pleased to announce the launch of a new online product configurator. Caster Concepts is answering the call made by many product designers, distributors and users for high quality CAD models which can be easily integrated into...

Company name: Caster Concepts
Published On: Wednesday May 01st, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> WIRE & CABLE COATINGS
Power and Data Cables suit cleanroom applications

Available in shielded and unshielded models to prevent signal interruption, CLEANFLEX® Series is suitable for continuous-flexing, cable track-equipped machinery built for cleanroom applications, such as semiconductor manufacturing. Cables have polyurethane outer jacket that minimizes release of cable dust into air. Operating in temperatures from...

Company name: Helukabel
Published On: Monday May 06th, 2013

 
INDUSTRY UPDATE
Chromaflo Technologies to Exhibit at the PMA Supplier Showcase

Chromaflo Technologies will exhibit at the Polyurethane Manufacturers Association's (PMA) Supplier Showcase taking place on May 7th. The showcase takes place in conjunction with the PMA's Annual Meeting. The full event runs Sunday, May 5th - Tuesday May 7th. Chromaflo will be highlighting the DL series Pigment Dispersions for Polyurethanes in...

Company name: Chromaflo Technologies
Published On: Monday May 06th, 2013

 
SPI Announces “Distributor of the Year” Awards for the Polyurea Protective Coatings Industry

Specialty Products, Inc. (SPI) is pleased to announce the “Distributor of the Year” Awards. These three awards recognize outstanding sales and superior customer service of SPI’s innovative polyurea protective coating technology.SPI’s Distributor of the Year Award is our highest honor, recognizing a distributor who consistently works to deliver...

Company name: Specialty Products, Inc
Published On: Wednesday May 01st, 2013

 
Huntsman Releases First Quarter 2013 Results; Reports Strong MDI Polyurethanes Earnings

Huntsman Corporation today reported first quarter 2013 results with revenues of $2,702 million and adjusted EBITDA of $220 million. Peter R. Huntsman, our President and CEO, commented:"During the first quarter this year we saw a meaningful improvement in our MDI polyurethane margins. We expect this trend to continue as industry fundamentals...

Company name: Huntsman International LLC
Published On: Wednesday May 01st, 2013

 
New WFI Global, LLC Brings Extensive Experience to the Polyurethane Foam and Coating Markets

WFI Global, LLC, a new specialty chemical coatings and foam company, has been established by Terry Walker and Joseph (Jay) G. Fabick, Jr. in Madison, Wisconsin. Walker has 30 years of experience in the urethane foam and coatings industry and Fabick is president of Fabick, Inc., (www.fabick.com) a manufacturer of industrial sprayed-on coatings and...

Company name: WFI Global
Published On: Wednesday May 01st, 2013

 
Iso-Chemie achieves ISO 14001 for environmental commitments

One of Europe's main producers of impregnated foam sealants, ISO-Chemie, has achieved the coveted ISO 14001 environmental certification. The move follows the implementation of an environmental management system which has been in place at ISO-Chemie for some time and was officially approved in March. It reflects the company's commitment to...

Company name: Iso-Chemie
Published On: Tuesday April 30th, 2013

 
Asia-Pacific Polyurethane Industry Examined in New In-Demand IAL Consultants Study Published at...

Polyurethane (PU) is one of the most widely exploited plastics the world over. Methyl di-p-phenylene isocyanate (MDI) and toluene di-isocyanate (TDI) are the major feedstocks needed for the manufacture of polyurethanes. The PU market has recently seen double digit growth, chiefly driven by the material's ecological sustainability properties, as...

Company name: Market Publishers
Published On: Tuesday April 30th, 2013

 
GREEN CHEMISTRY
Turning CO2 to new advantage

CO2 as a feedstock for chemistry and polymers, with potential applications in future nonwovens, is the subject of a special conference taking place in Essen, Germany from October 10-11th this year.Polypropylene carbonate (PPC) is the first remarkable example of a plastic that uses CO2 in its preparation, explains conference organiser the Nova...

Company name: 2nd Conference on CO2 as Feedstock for Chemistry and Polymers
Published On: Friday May 03rd, 2013

 
TEXTILES
Brentano Leads in Innovative, Eco-Friendly Polyurethane Textiles

In the fall of 2001, Brentano introduced their first leather and vinyl alternatives. Today, both of those patterns, Vapor and Satin, are part of Brentano’s expansive offering of eco-friendly polyurethane textiles. With each year since, Brentano’s design team has continued to develop and introduce innovative, usable, and environmentally-minded...

Company name: Brentano
Published On: Friday May 03rd, 2013

 
PEOPLE
New head of Catalysts division at BASF

Kenneth T. Lane, currently Senior Vice President, Isocyanates Europe, located in Brussels, Belgium, will become President of BASF’s Catalysts division headquartered in Iselin, New Jersey, effective June 1, 2013. He succeeds Frank A. Bozich, who has decided to leave the company.

Company name: BASF
Published On: Friday May 03rd, 2013

 
HEALTH & SAFETY
Isocyanate Industry Showcases Commitment to Research, Best Practices at Isocyanates & Health...

This past April, the Canadian Institute for the Relief of Pain and Disability (CIRPD) hosted a conference titled "Isocyanates and Health: Past, Present & Future." The event provided a forum to share the latest research about isocyanates.Approximately 160 people attended, including representatives from the American Chemistry Council's Diisocyanates...

Company name: the Canadian Institute for the Relief of Pain and Disability
Published On: Friday May 03rd, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> PLATICIZER
Plasticizers for adhesive, coating and sealant compositions applied to asphalt

An asphalt-containing substrate having an adhesive, coating or sealant composition applied to the substrate surface and adhesive, coating or sealant compositions are described herein. The composition resists softening of the asphalt compound in the asphalt-containing substrate at elevated temperatures and includes at least one base material and at...

Company name: Henry
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> POLYOLS
Polycarbonate diol and producing method thereof, and polyurethane and active energy ray-curable...

A novel polycarbonate diol is useful as a raw material for producing a polycarbonate diol-based polyurethane with a high degree of hardness, superior abrasion resistance, and superior hydrophilicity. The polyurethane is useful in paints, coating agents, synthetic leathers, artificial leathers, and highly-functional elastomers, or the like. The...

Company name: Mitsubishi Chemcial
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Process for preparing isocyanates and/or polyisocyanates

The invention relates to a process for preparing isocyanates and/or polyisocyanates by reacting the corresponding amines with phosgene, optionally in the presence of an inert medium, in a reactor (1), a first reactant stream comprising the amine being supplied to the reactor (1) in liquid form, and a second reactant stream comprising the phosgene...

Company name:
Published On: Thursday May 02nd, 2013

 
Process for preparing polyisocyanates which are flocculation-stable in solvents from...

The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.

Company name:
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> ISOCYANATES>> CYCLOALIPHATIC
Color-stable curing agent compositions comprising polyisocyanates of (cyclo)aliphatic diisocyanates

The present invention relates to a new process for preparing polyisocyanates of (cyclo)aliphatic diisocyanates, said polyisocyanates containing isocyanurate groups and being stable with respect to color drift in solvents.

Company name:
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> PREPOLYMERS
Method for manufacturing an isocyanate-terminated prepolymer, prepolymer obtained thereby, and...

The present invention relates to a method for manufacturing an isocyanate group-terminated prepolymer, comprising the following steps (a) to (d): (a) a step of ring-opening polymerizing an alkyleneoxide-containing cyclic compound by using an initiator in the presence of a composite metal cyanide complex catalyst, thereby obtaining a polyol...

Company name: Asahi Glass Company
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
Resin composition containing aromatic polyisocyanate compound, bisphenol epoxy resin and imidazole...

A liquid-state resin composition containing an aromatic polyisocyanate compound (A), a bisphenol epoxy resin (B) and an imidazole compound (C) is described, wherein the molar ratio of isocyanate groups to epoxy groups is 2 or more and preferably 2 to 15, and the amount of (C) relative to the total weight of (A), (B) and (C) is in the range of 0.2...

Company name: Nippon Steel
Published On: Thursday May 02nd, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Ink composition for printing, paper container material using the ink composition, and heat...

An ink composition having a colorant; a binder resin; and a solvent; wherein the elongation ratio of the binder resin is 400% to 3,000%; wherein the binder resin comprises a urethane resin and a vinyl chloride/vinyl acetate copolymer, and the mixing ratio of the urethane resin:vinyl chloride/vinyl acetate copolymer relative to the total weight of...

Company name: Nissin Foods Holdings
Published On: Thursday May 02nd, 2013

 
SYSTEMS>> ADHESIVES
Curable compound comprising silylated polyurethane

A method for producing a silylated polyurethane including the steps: (A) converting (i) at least polyol compound having a molecular weight of 4,000-30,000 g/mol and at least one monofunctional compound relative to isocyanates and (ii) at least one diisocyanate at a stoichiometric excess of the sum of the polyol compound(s) and monofunctional...

Company name: Henkel
Published On: Thursday May 02nd, 2013

 
Hydroxyaldimine-containing polyurethane composition

A composition that includes aldimines of Formula (I). The composition can be a two-component polyurethane composition. The composition can have a long open time, but build up an early strength quickly, and in the cured state can have high tensile strength and a high modulus of elasticity. The composition can be odorless or at least low-odor before,...

Company name: Sika Technology AG
Published On: Thursday May 02nd, 2013

 
SYSTEMS>> COATINGS>> DISPERSIONS
Coated substrates and polymer dispersions suitable for use in making the same

A coated substrate comprises a substrate and a coating on at least one surface of the substrate. The coating comprises a prepolymer, polymer, or resin produced, for example, by the reaction of (i) an isocyanate (e.g., a polyisocyanate), (ii) an active hydrogen-terminated colorant, and optionally (iii) at least one reactant selected from the group...

Company name: Milliken & Company
Published On: Thursday May 02nd, 2013

 
SYSTEMS>> BIOMATERIALS>> IMPLANTABLE DEVICES
Foam and delivery system for treatment of postpartum hemorrhage

Medical implants and methods useful in treating postpartum hemorrhage are disclosed. The implants, in some embodiments, comprise polyurethane foams having advantageous mechanical and other properties selected to promote hemostasis when brought in contact with an inner wall of a uterus. Methods of making and deploying such implants are also...

Company name: Arsenal Medical
Published On: Thursday May 02nd, 2013

 
FOAMS
Method for producing hydrophilic, aliphatic polyurethane foams having low bulk density

The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having low bulk density. The invention further relates to hydrophilic, aliphatic polyurethane foams that can be obtained according to the method, and to the use thereof as a wound dressing, incontinence product, or as a cosmetic article.

Company name: Bayer Intellectual Property
Published On: Thursday May 02nd, 2013

 
CASE>> ADHESIVES
Easy-adhesive for solar cell rear surface protection sheet, solar cell rear surface protection...

To overcome a problem in related art and to provide an easy-adhesive having an excellent adhesive property and an excellent adhesive durability for a solar cell rear surface protection sheet, a solar cell rear surface protection sheet, and a solar cell module formed by using the solar cell rear surface protection sheet. An easy-adhesive for a solar...

Company name: Toyo Ink
Published On: Thursday May 02nd, 2013

 
CASE>> ELASTOMERS
Polyurethane elastomers, a method for producing same, and use thereof

The invention relates to cellular and non-cellular polyurethane (PUR) elastomers made of NCO functional prepolymers based on polyisocyanates having portions of non-monomers, to a method for producing same, and to the use thereof.

Company name: Bayer Intellectual Property
Published On: Wednesday May 01st, 2013

 
CASE>> COMPOSITES
Polyurethane systems for production of polyurethane sandwich components

The present invention relates to the use of a polyurethane system, comprising (a) polyisocyanates, (b) at least one compound reactive with isocyanate, (c) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH.sub.2 group, (d) at least...

Company name: BASF SE
Published On: Thursday May 02nd, 2013

 
FINISHED PRODUCTS>> CONSTRUCTING
Method of fabricating a wall structure

The present invention is directed to a method of fabricating a wall structure that comprises a polyurethane backing. In certain embodiments, no additional layer is coated onto or disposed on the polyurethane backing that is formed through the process disclosed herein.

Company name: Huntsman International LLC
Published On: Thursday May 02nd, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SEATS
Polyurethane compositions for an automotive seat

Disclosed is a polyurethane composition including a polyol, a polyisocyanate, a curing catalyst, a crosslinking agent, a foam stabilizer and a blowing agent. The polyurethane composition may be used to manufacture automotive components, and in particular, an automotive seat. An automotive seat manufactured with the disclosed composition provides...

Company name: Hyundai Motor Company
Published On: Wednesday May 01st, 2013

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Dual-core comprising zero gradient center and positive gradient outer core layer

A golf ball comprising: an inner core formed from a first substantially homogenous rubber composition comprising a carbon-carbon initiator, the inner core having a geometric center and a first outer surface having a hardness less than that of the geometric center by up to about 20 Shore C; an outer core layer disposed about the inner core formed...

Company name: Acushnet Company
Published On: Thursday May 02nd, 2013

 
Multi-layer cover golf ball having non-ionomeric intermediate cover layer

A golf ball includes a core and a cover disposed about the core. The cover includes a thermoplastic inner cover layer having a hardness between 55 Shore D and 60 Shore D, an outer cover layer having a hardness between 55 Shore D and 60 Shore D, and a non-ionomeric thermoplastic intermediate cover layer disposed between the inner and outer cover...

Company name: Acushnet Company
Published On: Thursday May 02nd, 2013

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
Dressing device for use wtih a cannula or a catheter

A wound dressing device for use with a transcutaneous medical device such as a cannula or a catheter comprises a polyurethane matrix which may be covered with a film backing. Chlorhexidine di- gluconate and a polyanhydroglucuronic salt are contained in the polymer matrix. The wound dressing device prevents microbial colonization of the dressing and...

Company name: Hemcon Medical Technologies
Published On: Thursday May 02nd, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> ROLLS & ROLLERS
Roll coating roll and method for its manufacture

A roll coating is manufactured having fiber and polyurethane made from aromatic isocyanate. The roll coating incorporates fiber having improved strength during the manufacturing stage, and so does not crack, as a result of which the coating can be s manufactured in a simple, efficient and inexpensive manner. A roll of a fiber web machine has a roll...

Company name: Metso Paper
Published On: Thursday May 02nd, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> ACOUSTIC INSULATION
Acoustic reflectors

An acoustic reflector primarily for underwater use comprising a shell surrounding a core in which holes are provided in the shell to allow air and water freely to enter and leave the interior of the shell when the reflector is immersed in water. Various embodiments are described including the use of a metal shell matched to a water core, the use of...

Company name:
Published On: Thursday May 02nd, 2013

 
CHEMISTRY
Radiation curable compositions

The present invention relates to composition comprising at least one compound obtained from the reaction of at least one compound (i) having a refractive index n.sub.D.sup.20 of at least 1.50 comprising at least one isocyanate-reactable functional group --XH, wherein each of X is, independently, O or NR, at least one polyisocyanate (ii), and,...

Company name: Cytec Surface Specialties
Published On: Thursday May 02nd, 2013

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Exceptionally Flame Retardant Sulfur-Based Multilayer Nanocoating for Polyurethane Prepared from...

Many current flame retardant (FR) strategies for polymers contain environmentally harmful compounds and/or negatively impact processing and mechanical properties. In an effort to overcome these issues, a effective flame retardant nanocoating comprised of positively charged chitosan (CH) and anionic poly(vinyl sulfonic acid sodium salt) (PVS) was...

Company name: Texas A&M University
Published On: Wednesday May 01st, 2013

 
Enhanced fire behavior of rigid polyurethane foam by intumescent flame retardants

Using expandable graphite (EG) and ammonium polyphosphate (APP) as flame retardants, we prepared two series of polyisocyanurate–polyurethane (PIR–PUR) foams (i.e., EG foams filled with different amounts of EG alone and APEG foams containing different amounts of expanded EG and APP) and evaluated the effect of the additives on the...

Company name: China University of Mining and Technology
Published On: Monday May 06th, 2013

 
PU RAW MATERIALS>> CATALYSTS>> METAL
Ferric Acetylacetonate Catalyst on the Urethane Reaction of Phenyl Isocyanate and...

The urethane reaction of phenyl isocyanate and 1,2-propylene glycol was investigated with ferric acetylacetonate (Fe(acac)3) as catalyst. The effect of the catalytic properties of Fe(acac)3 on the formation of the urethane bond was evaluated with in situ FT-IR. The influence of the Fe(acac)3 concentration as well as the reaction temperature is...

Company name: Shandong Polytechnic University
Published On: Monday May 06th, 2013

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS
Effect of pyridazine content and crosslinker structure on the properties of polyurethane elastomers

This article studies the development of a series of heterocyclic polyurethanes (PUs) with various pyridazine content and different crosslinker structure in their main chains. All of the isocyanate-terminated PU prepolymers were prepared from poly(tetramethylene oxide) glycol of molecular weight 1400 (Terathane 1400) and 1,6-hexamethylene...

Company name: Petru Poni Institute of Macromolecular Chemistry
Published On: Monday May 06th, 2013

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Polyols production by chemical modification of autocatalyzed ethanol‐water lignin from Betula...

Betula alnoides lignin, recovered as a byproduct in autocatalyzed ethanol-water pulping process, was converted into viscous polyether polyols through oxypropylation and liquefaction methods, with the aim of adding value to this byproduct. The oxypropylation reaction was performed by reacting autocatalyzed ethanol-water lignin (AEL) with propylene...

Company name: Beijing Forestry University
Published On: Monday May 06th, 2013

 
SYSTEMS>> COATINGS>> WATER-BORNE COATINGS
Preparation, Characterization, and Property Analysis of Environmentally Friendly Waterborne...

Waterborne polyurethane (WPU) prepolymer was first prepared based on isophorone diisocyanate (IPDI), polyether polyol (NJ-210), dimethylol propionic acid (DMPA), and hydroxyethyl methyl acrylate (HEMA) via an in situ method. A series of waterborne polyurethane-acrylate (WPUA) dispersions were obtained with different proportions of acrylate (butyl...

Company name: Jiangsu University
Published On: Monday May 06th, 2013

 
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
Synthesis and characterization of biodegradable polyurethanes based on L‐cystine/cysteine and...

Tunable biodegradable polyurethanes (PUs) with favorable mechanical properties were synthesized from 1,6-hexamelthylene diisocyanate (HDI) as the hard segment, poly(ϵ-caprolactone) (PCL) as the soft segment, and l-cystine ester as chain extender. The structure of PUs was confirmed by FTIR and 1H-NMR. The results of differential scanning...

Company name: Shanghai Jiao Tong University
Published On: Monday May 06th, 2013

 
CHEMISTRY
New copoly(urethane-methacrylate)s obtained by adjusting the content of the poly(1,2-propanediol

A series of new crosslinked copoly(urethane-methacrylate)s (CPUAs) were synthesized by the polymerization of new urethane–methacrylate macromonomers with double bonds at the end of the chain, which were prepared from isophorone diisocyanate, β-hydroxyethyl methacrylate, different content of poly(1,2-propanediol ortho-phthalate) (PPP), and...

Company name: Zhengzhou University of Light Industry
Published On: Monday May 06th, 2013

 
 

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