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    PU2PU
  Issue-310 - May 21, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Albemarle to increase prices of SAYTEX® HP-900 (P)/(G) brominated flame retardants

Albemarle Corporation, a leader in the development, manufacture and marketing of flame retardants, announced today that it will increase prices of SAYTEX HP-900 (P)/(G) (hexabromocyclododecane) globally by 20% effective immediately, or as contracts allow."The backbone of SAYTEX HP-900 is cyclododecatriene (CDT). We have seen extreme volatility in...

Company name: Albemarle Corporation
Published On: Friday May 18th, 2012

 
Albemarle announces plans to exit phosphorous flame retardants business

In order to restructure its business portfolio and address underperforming assets, Albemarle Corporation, a leader in the global specialty chemicals market, announced today that it plans to exit its existing phosphorous flame retardants business. Albemarle currently produces phosphorus flame retardants, part of its Polymer Solutions business...

Company name: Albemarle Corporation
Published On: Friday May 18th, 2012

 
PU RAW MATERIALS>> ADDITIVES>> ANTIOXIDANTS
BASF Plastic Additives to strengthen antioxidants business with investment in Asia

BASF, the world's leading chemical company and the global leader in plastic additives, is investing in a state-of-the-art antioxidant production line in Jurong, Singapore. In doing so BASF is optimizing the production footprint of its antioxidant business in Asia. This investment strengthens the production focus of Irganox® 1010 at the Singapore...

Company name: BASF Asia Pacific
Published On: Friday May 18th, 2012

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES>> PIGMENT INORGANIC
Lanxess Expands the Worldwide Availability of its Bayferrox 912 LOM Pigments for Coatings

Specialty chemicals group LANXESS is now offering Bayferrox 912 LOM, the yellow iron oxide pigment manufactured at its site in Porto Feliz, Brazil, for sale worldwide. The pigment was launched on the North and South American markets years ago and thanks to its special product properties has proven effective in paints and coatings applications,...

Company name: Lanxess
Published On: Thursday May 17th, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
Jeremy Alters firm files new insulation class action

Miami attorney Jeremy Alters recently filed two new federal class action cases targeting the manufacturer of a commonly used home insulation product called Sealection 500.Alters is well known as a controversial Democratic fundraiser who recently hosted President Barack Obama at his beachside home. Alters is involved in class action litigation...

Company name:
Published On: Thursday May 17th, 2012

 
Prevent cathedral ceiling stains with spray foam insulation

A cathedral ceiling is often considered a highlight of the homes in which it is featured. The slanted upper surface will frequently extend through several floors, and a small blemish on the ceiling could become a major problem for homeowners to eliminate.Thankfully, foam insulation contractors can provide immediate assistance with such an issue....

Company name: Icynene
Published On: Friday May 18th, 2012

 
SYSTEMS>> ELASTOMERS>> RIM
More Demanding Flammability Specification RIM Products

ebalta UK has announced an exciting enhancement to their low pressure RIM flame retardant range, by the introduction of MG 321 FR-S. This polyurethane material has been developed and introduced to the market to meet customer requirements for more demanding flammability specification products for specialised applications in the medical, automotive,...

Company name: ebalta
Published On: Saturday May 19th, 2012

 
SYSTEMS>> RIGID FOAMS>> POLYISOCYANURATE FOAM
Xtratherm’s new suite of insulation literature

Xtratherm, a leading supplier of high quality PiR and phenolic insulation, has refreshed its entire series of marketing and technical literature. The new literature will make it easier for architects and other specifiers to choose the products which will deliver superior performance and underlines the five key benefits of Xtratherm: performance,...

Company name: Xtratherm
Published On: Friday May 18th, 2012

 
SYSTEMS>> RIGID FOAMS>> SPRAYED
Global Overview of the Spray Polyurethane Foam (SPF) & One Component Foam (OCF) Markets

IAL is pleased to announce the publication of the third edition of its report on the rigid spray polyurethane foam markets. This new edition will look at the growth seen in these markets in recent years and expectations of how the markets will develop in the challenging economic circumstances.Production data by foam density is provided for 2011...

Company name: IAL Consultants
Published On: Thursday May 17th, 2012

 
CASE>> ELASTOMERS>> TPU
RTP Company introduces biocompatible and bondable TPEs for medical devices

Global custom engineered thermoplastics compounder RTP Company has expanded its line of biocompatible compounds for medical devices to include thermoplastic elastomer (TPE) bondable grades. RTP Company's new RTP 6042 MD and RTP 6003 MD Series TPE compounds have been pre-tested for compliance with ISO 10993 (part 5 in vitro cytotoxicity, part 10...

Company name: RTP Company
Published On: Friday May 18th, 2012

 
CASE>> COMPOSITES
General Plastics to Showcase New High-Temperature Tooling Board at SAMPE

General Plastics Manufacturing Company will participate in the 2012 SAMPE conference May 21-24 in Baltimore, Maryland – the premier event for the advanced materials and processes industry. The company will highlight its aerospace-specific products at Booth #724, and will exhibit in conjunction with its distribution partners Coast-Line International...

Company name: General Plastics
Published On: Wednesday May 16th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING
Materials matter. Inside and out, Bayer's building materials and technologies help architects meet...

With more than 120 materials and technologies, Bayer MaterialScience LLC's building solutions make it easier for architects to meet their green building goals without sacrificing design aesthetics. Bayer will feature its broad portfolio of building materials and technologies during this year's American Institute of Architects (AIA) National...

Company name: Bayer MaterialScience LLC
Published On: Friday May 18th, 2012

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
Bayer building tops global sustainability ranking

A particularly environmentally friendly Bayer MaterialScience office building in India has received the top ranking in the international Leadership in Energy and Environmental Design (LEED) rating system. The zero-energy building in Greater Noida outside of New Delhi was awarded Platinum in the category New Construction. It received 64 out of 69...

Company name: Bayer MaterialScience
Published On: Friday May 18th, 2012

 
FINISHED PRODUCTS>> AUTOMOTIVE
Trelleborg and Freudenberg have received EU approval to form a global company in antivibration...

As announced in February 1, 2012, Trelleborg and Freudenberg signed final agreements to form a joint venture in antivibration solutions for light and heavy vehicles. The joint venture will comprise of Trelleborg Automotive and Freudenberg's operation in antivibration solutions, Vibracoustic. The completion of the transaction is subject to certain...

Company name: Trelleborg
Published On: Wednesday May 16th, 2012

 
Understanding the value chain of automotive materials

Polycarbonate and polyurethane are increasingly being utilized by automakers to help improve the energy efficiency of vehicles. Understanding the respective value chains of these materials can be beneficial for OEMs who are seeking to expand their use. At the Motor Vehicle Metals and Resins conference, held May 17 in Dearborn, Mich., Bruce Benda,...

Company name: Bayer MaterialScience LLC
Published On: Friday May 18th, 2012

 
Automakers lighten up with Bayer materials

Proposed federal corporate average fuel economy (CAFE) standards of 54.5 miles per gallon, coupled with rising fuel prices, are spurring automakers to explore new ways to lighten up to improve fuel efficiency. It's no secret that use of lightweight materials can help improve the energy efficiency of vehicles. New innovations in materials and...

Company name: Bayer MaterialScience LLC
Published On: Monday May 21st, 2012

 
FINISHED PRODUCTS>> SPORTS
Polyurethanes improve the flight properties of the European championship “Tango 12” soccer ball

What do the tango, which originates in Latin America, and the official soccer ball of the same name for this year’s European Soccer Championship have in common? A variety of steps, sometimes fast, sometimes slow, an armory of twists and turns and endless vitality. Soccer fans are looking forward once again to watching exciting games in stadiums,...

Company name: Bayer MaterialScience
Published On: Tuesday May 15th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> CONVEYORS
Caster Concepts Launches Official Conveyor Concepts Website

Caster Concepts, Inc., an industrial caster and wheel manufacturer, launched conveyor-concepts.com today as the official website for its newest business venture Conveyor Concepts. The new site will be dedicated to products developed and manufactured by Conveyor Concepts using Caster Concepts' core competencies."I am excited about sharing this part...

Company name: Conveyor Concepts
Published On: Tuesday May 15th, 2012

 
INDUSTRY UPDATE
Singapore manufacturers to stay in China despite facing higher costs

Singapore companies with manufacturing bases in China have seen their operational costs creep up in recent months amid higher minimum wages, inflation and a shortage of young migrant workers, the essential pool of labour for the world's factory. Despite these challenges, some firms are staying put in China. Asia Polyurethane, which manufactures...

Company name: Asia Polyurethane
Published On: Monday May 21st, 2012

 
Arithane Foam Roofing wins national award

A Corona company has won a national award of excellence.Arithane Foam Roofing was one of two winners to receive an award from The Spray Polyurethane Foam Alliance in the category of crystal sculpture for roofs of more than 40,000 square feet.The roof was for a high school in Orange. Industry officials judged the contest for projects completed in...

Company name: Arithane Foam Roofing
Published On: Monday May 21st, 2012

 
NJRP will invest RM30mil to expand industrial roller plant in Rawang

NJRP (M) Sdn Bhd, which has set up an industrial roller and rubber equipment manufacturing plant, will invest RM30mil in the first phase of its expansion here.The company is a joint venture (JV) between China-based Nanjing Jinsanli Rubber and Plastic Co Ltd (NJRP China), a producer of rubber and polyurethane products for heavy industry, and...

Company name: Nanjing Jinsanli Rubber
Published On: Monday May 21st, 2012

 
Graco Announces Launch of New Website

Graco Inc., a global manufacturer of fluid handling equipment, has announced the launch of a new and much anticipated website at www.graco.com. The new design will better meet the needs of Graco customers and website visitors by making the site more functional, intuitive and appealing.The new site is being launched for North, Central and South...

Company name: Graco
Published On: Monday May 21st, 2012

 
Freudenberg goes West: New production site in Chengdu

For the internationally active Freudenberg Group, the 2011 financial year was yet another record-breaking year in China. At year-end 2011 sales had increased to 3.67 billion Yuan (2010: CNY 3.27 billion), equal to approximately 12.5 percent compared to the previous year. With an increase in sales of around 20 percent in the first quarter of 2012,...

Company name: Freudenberg Group
Published On: Friday May 18th, 2012

 
New Global PU Market Study by Transparency Market Research Now Available at MarketPublishers.com

The global polyurethanes (PU) market has witnessed double digit growth rate in the recent past owing to its wide spectrum of applications like rigid and flexible foams, paints and coatings, adhesives and sealants among many others. The global PU product market revenue is expected to grow from last year’s USD 40.6 billion to USD 57.4 billion by...

Company name: Market Publishers
Published On: Friday May 18th, 2012

 
American Coatings Show Sets Records

With 427 exhibitors and more than 7,500 overall participants from 69 countries, the third edition of the American Coatings Show & Conference broke all of its previous records for visitors, exhibitors, and footprint, according to the organizers, the American Coatings Association and Vincentz Network.The show took place May 8-10 at the Indiana...

Company name: The American Coatings Show
Published On: Tuesday May 15th, 2012

 
Cytec: Adhesives Gone, Coatings Going?

Specialty chemicals maker Cytec Industries is getting out of the adhesives business and may close the door on coatings, too.The New Jersey-based supplier of resins and additives announced Friday (May 11) that it had reached an agreement to sell its high-performance Pressure Sensitive Adhesives product line to German adhesives maker Henkel AG & Co....

Company name: Cytec Industries Inc
Published On: Monday May 14th, 2012

 
PEOPLE
Xtratherm invests in new Business Development Manager

Xtratherm, a leading supplier of high quality PiR and phenolic insulation, has appointed Allan Dewfield as Business Development Manager. Allan will be responsible for the business development of ‘building envelope solutions’, with a prime focus on flat roofing and rainscreen markets. Allan is keen to communicate the key benefits of Xtratherm’s...

Company name: Xtratherm
Published On: Wednesday May 16th, 2012

 
Spray Foam Insulation and Roofing Magazine Announces New Managing Editor

Spray foam Insulation & Roofing Magazine is excited to announce its new Managing Editor, Ryan Spencer. A graduate of the University of Florida, Ryan earned his Bachelor’s and Master’s degrees in just five years, the latter coming from UF’s Master of Science in Entrepreneurship program. He has gained a tremendous amount of knowledge and contacts...

Company name: Spray Foam Insulation and Roofing Magazine
Published On: Tuesday May 15th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Flame retarded,themoplastic composition, process for making same and article containing same

There is provided herein a composition comprising: (a) a flexible polyurethane foam-forming mixture and; an effective flame retarding amount of at least one non halogen-containing cyclic phosphate ester of the general formula (I): ##STR00001## wherein R.sup.1 and R.sup.2, are the same or different, linear or branched alkyl group containing from up...

Company name:
Published On: Thursday May 17th, 2012

 
PU RAW MATERIALS>> CATALYSTS
Isocyanate prepolymer catalysts and related curing processes

Isocyanate prepolymer catalysts and processes for rapidly curing isocyanate prepolymers are disclosed herein. Substrates coated with the isocyanate prepolymers are treated with a drying agent and water, which combine to form a hydrated catalyst complex. Co-catalysts, such as organo tins, may be used to further enhance the curing rate.

Company name:
Published On: Tuesday May 15th, 2012

 
Isocyanate prepolymer catalysts and related curing processes

Isocyanate prepolymer catalysts and processes for rapidly curing isocyanate prepolymers are disclosed herein. Substrates coated with the isocyanate prepolymers are treated with a drying agent and water, which combine to form a hydrated catalyst complex. Co-catalysts, such as organo tins, may be used to further enhance the curing rate.

Company name:
Published On: Thursday May 17th, 2012

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS>> OTHER
Aluminum chelate latent curing agent

A novel aluminum chelate latent curing agent that can cure a glycidyl ether epoxy compound at a lower temperature and more quickly than an aluminum chelate latent curing agent produced by emulsification and interfacial polymerization of a polyfunctional isocyanate in the presence of both a radical polymerizable monomer, such as divinyl benzene, and...

Company name: Sony Chemical & Information Device Corporation
Published On: Thursday May 17th, 2012

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Methods for production of polyols from oils and their use in the production of polyesters and...

Methods to convert biobased oils, oil derivatives, and modified oils to highly functionalized esters, ester polyols, amides, and amide polyols. The products can be used to make polyurethane and polyester films and foams.

Company name: Battelle Memorial Institute
Published On: Tuesday May 15th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Room temperature curable polymers and precursors thereof

A polyester polyol, referred to hereinafter as a MHMS polyol comprises fatty acid based mer units wherein at least about 80 weight percent of the fatty acid based mer units are from methyl 9 (10) hydroxymethylstearate, or is prepared from an oil having fatty acids or fatty acid esters which are at least about 80 weight percent oleic acid or esters...

Company name: Dow Global Technologies Inc
Published On: Tuesday May 15th, 2012

 
Process for the preparation of a polyurethane polymer with secondary hydroxyl end groups comprising...

The invention relates to a process for the preparation of a polyurethane polymer, comprising the step of reaction of A) polyester polyols with secondary hydroxyl end groups, which are obtainable from the reaction of a polyester comprising carboxyl end groups with an epoxide of the general formula (1): ##STR00001## wherein R1 represents an alkyl...

Company name: Bayer MaterialScience AG
Published On: Thursday May 17th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Process for preparing methylenedi(phenyl isocyanate)

The invention relates to a process for preparing methylenedi(phenyl isocyanate), which comprises (a) the phosgenation of two-ring and/or multiring methylenedi(phenylamine), (b) the fractionation of the crude methylenedi(phenyl isocyanate) obtained to give two-ring and multiring isomers, (c) the purification and/or fractionation of the resulting...

Company name: BASF SE
Published On: Thursday May 17th, 2012

 
Process for the preparation of isocyanates

An isocyanate is produced by reacting an amine with a stoichiometric excess of phosgene in the gas phase. This reaction is carried out at a temperature above the amine's boiling point to obtain a liquid stream containing the isocyanate and a gas stream containing hydrogen chloride and phosgene. The gas stream containing hydrogen chloride and...

Company name: Bayer MaterialScience AG
Published On: Thursday May 17th, 2012

 
SYSTEMS>> ADHESIVES
Adhesive sheet

An adhesive sheet includes a substrate and an energy-ray curable adhesive layer formed on the substrate. The energy-ray curable adhesive layer includes an energy-ray curable acrylic copolymer and a urethane acrylate. The energy-ray curable acrylic copolymer is formed by copolymerizing at least one of either a dialkyl(meth)acrylamide that has an...

Company name: Lintec
Published On: Tuesday May 15th, 2012

 
Adhesive film or adhesive tape based on epoxides

A thermally curable adhesive in strip or film form, having a thickness in the range of 0.1 to 5 mm, containing: a) at least one reactive epoxy prepolymer, b) at least one latent hardener for epoxies, and c) one or more elastomers that are selected from: c1) thermoplastic polyurethanes, c2) thermoplastic isocyanates, and c3) block copolymers having...

Company name: Henkel
Published On: Thursday May 17th, 2012

 
SYSTEMS>> ADHESIVES>> LAMINATES
Curable resin composition, transparent laminate, and process for producing transparent laminate

A transparent laminate having good transparency and good adhesion to transparent substrates, and containing a cured resin layer having excellent tear resistance. A process of producing a transparent laminate by interposing a curable resin composition containing an unsaturated urethane oligomer (A) which is a reaction product of a polyol component...

Company name: Asahi Glass Co Ltd
Published On: Thursday May 17th, 2012

 
SYSTEMS>> ADHESIVES>> PRESSURE SENSITIVE
Biodegradable compositions having pressure sensitive adhesive properties

A composition comprising the reaction product of (a) an isocyanate group-containing component having an average functionality of at least 2; and (b) an active hydrogen group-containing component having an average functionality of at least 2. The composition is biodegradable, a solid at 22.degree. C. and below, and has pressure sensitive adhesive...

Company name: Cohera Medical
Published On: Thursday May 17th, 2012

 
SYSTEMS>> ADHESIVES>> HOT MELT
Hot melt adhesive composition

To provide a hot melt adhesive composition employing a thermoplastic polyurethane, which has a high adhesive strength even under bonding conditions of low temperature and short time or even to nylon cloth, and which has a favorable adhesive strength in a wide temperature range of from room temperature to low temperature. A hot melt adhesive...

Company name: Asahi Glass Co Ltd
Published On: Thursday May 17th, 2012

 
SYSTEMS>> COATINGS
Matte topcoat airfoil coatings

A multilayer polyurethane or polyurea erosion resistant coating with a matte topcoat over a primer layer and filled basecoat layer used to protect the leading edge against high speed liquid or solid particle erosion for helicopter rotor blades, propellers and other articles using polyurethane or polyurea compositions.

Company name: Hontek
Published On: Tuesday May 15th, 2012

 
SYSTEMS>> COATINGS>> GELCOATS
Acrylate-modified aspartates and gel coat compositions made therefrom

A coating composition is provided. The composition comprises as component I, a) a polyaspartic acid ester comprising the reaction product of one more diamines, one or more difunctional acrylate-containing compounds and one or more maleic/fumaric acid esters; b) at least one moisture scavenger; c) at least one deaerator; d) at least one plasticizer;...

Company name: Bayer MaterialScience
Published On: Tuesday May 15th, 2012

 
SYSTEMS>> COATINGS>> DISPERSIONS
Poly(THF)-based polyurethane dispersions

The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components.

Company name: Bayer MaterialScience
Published On: Thursday May 17th, 2012

 
SYSTEMS>> COATINGS>> LOW VOC COATINGS
VOC-free or VOC-poor polyurethane coating

The invention relates to humidity hardening compounds containing at least one polyurethane polymer, P, exhibiting an isocyanate group, at least one polyimine ALD of Formula (I) of at least 22% by weight, in relation to the sum of the components of the compound which contain the isocyanate group, as well as, if necessary, a polyisocyanate oligomer...

Company name: Sika Technology AG
Published On: Tuesday May 15th, 2012

 
SYSTEMS>> SEALANTS>> FOAM INSULATION
Method for filling wall cavities with expanding foam insulation

The invention described herein generally pertains to the use of low boiling point, low vapor pressure blowing agents with froth polyurethane or polyisocyanurate foams to achieve superior cavity filling than when using conventional higher vapor pressure or more ozone-depleting blowing agents.

Company name: Fomo Products Inc
Published On: Thursday May 17th, 2012

 
SYSTEMS>> ELASTOMERS
Impact-resistant polyurethane

The present invention teaches a new process to produce novel, hard, optically clear, impact-resistant polyurethane polymers that are characterized by excellent thermo mechanical properties and chemical resistance, and the polymers made as a result of such a process. The polyurethanes are made by reacting a) a prepolymer made by reacting a...

Company name: PolyPlexx
Published On: Wednesday May 16th, 2012

 
SYSTEMS>> ELASTOMERS>> CAST
Molded polymeric structural members and compositions and methods for making them

A polymer casting formulation for producing molded polymeric structural members comprises a liquid mixture that contains a polyisocyanate component comprising at least two polyisocyanates; and an isocyanate-reactive component comprising at least two isocyanate-reactive compounds, which formulation cures to form a polyurethane. Methods of using the...

Company name: JELD-WEN
Published On: Tuesday May 15th, 2012

 
SYSTEMS>> FLEXIBLE FOAMS>> MICROCELLULAR FLEXIBLE FOAM
Carbon dioxide blown low density, flexible microcellular polyurethane elastomers

Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of from about 0.03 to about 0.3 g/cc. At least a portion of that carbon dioxide is...

Company name: Bayer MaterialScience
Published On: Tuesday May 15th, 2012

 
SYSTEMS>> COSMETIC COMPOSITIONS>> HAIR CARE
Hair care compositions

Hair care compositions are disclosed which comprise a silicone polyurethane polymer, an ester, and a fluorosilicone. The compositions are useful for improving color retention of artificially colored hair.

Company name: Avon Products
Published On: Tuesday May 15th, 2012

 
FOAMS
Method for preparing a foam composite element

The invention relates to a method for preparing a foam composite element, including the steps of preparing a top layer, applying an adhesion promoter layer to the top layer, wherein the adhesion promoter layer includes a modified isocyanate, and applying a foam layer including polyurethane and/or polyisocyanurate to the adhesion promoter layer. On...

Company name: Bayer MaterialScience AG
Published On: Thursday May 17th, 2012

 
Natural oil based polyurethane foams

The embodiments of the present invention provide for polyurethane foams that include renewable resources while keeping desired properties of the polyurethane product. For example, described herein, according to embodiments of the invention, are polyurethane foams that have a high concentration of renewable resources while retaining favorable...

Company name: Dow Brasil Sudeste Industrial
Published On: Thursday May 17th, 2012

 
CASE>> ADHESIVES>> LAMINATES
Laminate containing solvent resistant polyurethane adhesive compositions

A laminate includes a backing material coated with a solvent resistant adhesive composition. The adhesive composition includes a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer and a peroxide or a silicone hydride.

Company name: Momentive Performance Materials
Published On: Tuesday May 15th, 2012

 
CASE>> COMPOSITES
Use of pulverized glass in a composite material

The use of pulverized glass having a particle size of 0 nm to 100 .mu.m as an ingredient in a composite material, said composite material is obtained by mixing a base component and a hardener, is disclosed. The pulverized glass is useful in composite materials, such as either a cement-based material which is to be mixed with water as a hardener or...

Company name:
Published On: Tuesday May 15th, 2012

 
CASE>> COMPOSITES>> NANOMATERIALS
Oil-dispersible composite of metallic nanoparticle and method for synthesizing same

The present invention provides an oil-dispersible composite of metallic nanoparticles and a method for synthesizing the same. The composite primarily includes metallic nanoparticles and an oily polymeric polymer such as polyurethane (PU). The oily polymeric polymer serves as a carrier of the metallic nanoparticles by chelating therewith so that the...

Company name: National Taiwan University
Published On: Thursday May 17th, 2012

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Casing layer for polyurethane-covered and polyurea-covered golf balls

This invention is related to multi-layer golf balls having at least one layer containing a neutralized high acid ionomer linked to a grafted metallocene copolymer, where the golf balls exhibit improved performance characteristics and properties.

Company name: Acushnet Company
Published On: Tuesday May 15th, 2012

 
FINISHED PRODUCTS>> PACKAGING
Printed packaging

High visual impact plastic packaging is described as well as methods for producing such packaging. Sealing portions of a package to each other in an interwoven manner is described. Printing on multiple surfaces of a package to obtain appealing visual effects is described. Methods of sealing plastic packages are described, including some that use...

Company name: One Source Industries
Published On: Tuesday May 15th, 2012

 
FINISHED PRODUCTS>> MEDICAL
Hydrogel enhanced medical devices

The present disclosure generally provides a stent-graft for insertion into a body vessel that comprises hydrophilic polyurethane hydrogel cuffs and an elongated cylindrical body. This stent-graft exhibits an enhanced ability to maintain its original position when placed into a patient and resist the potential of migration without causing excessive...

Company name: Cook Medical
Published On: Thursday May 17th, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL>> PADS
Polishing pad composition

Polishing pads for use in chemical mechanical planarization (CMP) or polishing elements/surfaces of such pads are made from a combination of immiscible polymers, for example polyurethane and polyolefin. The polymers are selected on the basis of interfacial interaction, melt index and ratios of melt indices between the polymer phases--a matrix phase...

Company name: Semiquest
Published On: Tuesday May 15th, 2012

 
CHEMISTRY
Process for preparing carbodiimides

A method for producing compounds comprising at least one carbodiimide group is described, by reacting at least one isocyanate-containing starting compound or a derivative thereof, wherein the method is conducted in at least two stages.

Company name: Rhein Chemie
Published On: Thursday May 17th, 2012

 
Urethane formulation

The invention provides B-sides of urethane formulations, wherein the B-sides comprise both alcohol and epoxy moieties. Also provided are urethane formulations comprising the B-side of the invention, as well as A-sides comprising isocyanate molecules.

Company name: The University of Missouri
Published On: Tuesday May 15th, 2012

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> RELEASE AGENTS
Use of fluoropolymer permanent release coatings for molded polyurethane foam production

The problem of adhesion of polyurethane foams to fluoropolymer permanent release mold coatings was studied. Two coatings, based on polytetrafluoroethylene (PTFE) and perfluoroalkoxy polymer (PFA) aqueous dispersions, respectively, were applied on aluminum plates, and the foam release performance evaluated. The PTFE coating displayed gradual loss of...

Company name: Faculdade de Engenharia da Universidade do Porto
Published On: Monday May 21st, 2012

 
SYSTEMS>> COATINGS>> SPRAYS
Investigation of the curing process of spray polyurea elastomer by FTIR, DSC, and DMA

The curing process of a typically formulated spray polyurea elastomer (SPUA) system has been thoroughly investigated with the help of a combined analysis of Fourier transform infrared spectroscopy, differential scanning calorimetry, and dynamic mechanical analysis. The evolvement of the microstructure and mechanical responses of the SPUA system...

Company name: Beijing University of Chemical Technology
Published On: Monday May 21st, 2012

 
SYSTEMS>> BIOMATERIALS
Self-assembly of biodegradable polyurethanes for controlled delivery applications

The self-assembly of biodegradable polyurethanes constitutes an important area of research for the development of polymeric materials in biomedicine. In particular, colloidal polyurethane assemblies can increase the solubility and stability of hydrophobic compounds, and improve the specificity and efficiency of drug action. Their nanoscale size and...

Company name: Sichuan University
Published On: Monday May 21st, 2012

 
CASE>> ELASTOMERS>> TPU
Blends of thermoplastic polyurethane (TPU) and polydimethyl siloxane rubber (PDMS), part-I:...

Thermoplastic polyurethane (TPU) and polydimethyl siloxane rubber (PDMS) are two major polymers used extensively for biomedical applications. Blending of these polymers combines the superior mechanical properties, abrasion resistance, solvent resistance and aging resistance of TPU with chemical stability, inertness, flexibility and biocompatibility...

Company name: Yanbu Industrial College
Published On: Monday May 21st, 2012

 
CASE>> COMPOSITES>> NANOMATERIALS
Properties of nanocomposites based on crosslinked elastomeric polyurethane and ultrasmall additives...

It is shown for the first time that the addition of ultrasmall amounts of single-wall carbon nanotubes leads to a significant increase in the main mechanical characteristics of the crosslinked poly(urethane urea) elastomer. The elastic modulus and the tensile strength pass through maxima as the nanotube concentration is increased from 0 to 0.018 wt...

Company name: Russian Academy of Sciences
Published On: Monday May 21st, 2012

 
 

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