search






 
    PU2PU
  Issue-569 - August 31, 2015   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> PLATICIZER
RoHS directive to ban four phthalates

The RoHS directive will ban four phthalates in electrical equipment from 22 July 2019 (2021 for categories 8 and 9).Bis-ethylhexyl phthalate (DEHP): Plasticiser used in PVC, rubber and in other polymers. A main use was in cable and wire insulation, but this has declined to DEHP being a REACH SVHC.Also used in PVC tubing (including for medical...

Company name:
Published On: Tuesday August 25th, 2015

 
PU RAW MATERIALS>> BLOWING AGENTS
Appliance Foams: Overcoming the Next Blowing Agent Challenge through Optimization

John Murphy, a senior blowing agent specialist at Foam Supplies Inc., has written an in-depth article regarding foam blowing agents and the challenges faced in complying with up-to-date regulations as well as efficiency in accomplishing their purposes. The article was featured in Appliance Design's August 2015 issue.

Company name: Foam Supplies
Published On: Tuesday August 25th, 2015

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES
Chromaflo Spotlights IR Reflective Technology

Chromaflo Technologies has recently released a video describing its infrared reflective technology and how the technology can benefit end users.The video explains how Chromaflo’s infrared reflective technology can be incorporated into coatings products to help control the effects of solar heat on exterior surfaces. Some advantages of keeping...

Company name: Chromaflo Technologies
Published On: Monday August 31st, 2015

 
PU RAW MATERIALS>> ISOCYANATES>> MDI
BASF starts first MDI production in Chongqing

BASF has begun its first production of diphenylmethane diisocyanate (MDI) at its wholly-owned site in Chongqing, China. Production will be ramped up gradually in line with market demand.MDI is an important component for polyurethanes - an extremely versatile plastics material that contributes towards improved insulation, provides lighter materials...

Company name: BASF
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> POTTING / ENCAPSULATION RESINS
Electrolube at Productronica India: four key product ranges to be shown

Conformal coatings specialist, Electrolube will be taking a booth (number 10/1020) at productronica India, which takes place at the Pragati Maidan Conference and Exhibition Grounds, New Dehli, September 9-11 2015.Electrolube, part of HK Wentworth Ltd and an established manufacturer of electro-chemicals, has taken a booth at India's premier event...

Company name: Electrolube
Published On: Tuesday August 25th, 2015

 
FOAMS
Are we on the cusp of an algae-based surfboard revolution?

All petroleum is made up of algae (and other micro critters-sorry, not dinosaurs, despite what you may have heard) that's been fossilized and compressed and heated over eons. Once sucked from the earth, petroleum is refined into, among other things, polyurethane (PU), the compound that makes up the foam used in the overwhelming majority of...

Company name: Arctic Foam
Published On: Wednesday August 26th, 2015

 
Malama Composites Earns USDA Certified Biobased Product Certification and Label for Pacific BioFoam

Malama Composites, Inc. has earned the U.S. Department of Agriculture (USDA) Certified Biobased Product Label and is identified for Federal preferred purchasing for its Pacific BioFoam™ product. The USDA Certified Biobased Product Label verifies that the product's amount of renewable bio-based ingredients meets or exceeds levels set by USDA....

Company name: Malama Composites
Published On: Friday August 28th, 2015

 
Malama Composites Earns USDA Certified Biobased Product Certification and Label for Studio BioFoam

Malama Composites, Inc. has earned the U.S. Department of Agriculture (USDA) Certified Biobased Product Label and is identified for Federal preferred purchasing for its Studio BioFoam product. The USDA Certified Biobased Product Label verifies that the product's amount of renewable bio-based ingredients meets or exceeds levels set by USDA. ...

Company name: Malama Composites
Published On: Friday August 28th, 2015

 
FSU scientist invents new foam technology

The nucleus of Auxadyne, an early-stage startup 155 miles away in Key Stone Heights, centers around foam - a seemingly simple material.But, in the hands of Florida State scientist Changchun Chad Zeng, it's much more. He invented a process that creates a high-performing, auxetic foam that increases when stretched - unlike ordinary foam that would...

Company name: Florida State University
Published On: Monday August 31st, 2015

 
FOAMS>> RIGID>> OCF
Fomo Products Launches Handi-Foam Window & Door

Fomo Products has launched its new Handi-Foam Window & Door One-Component Polyurethane Foam Sealant (OCF), a closed-cell, low pressure window and door foam sealant. Handi-Foam Window & Door OCF will be available Sept. 1, replacing Handi-Seal Window & Door which is available until October 2015.Improved FormulationHandi-Foam is formulated with Dry...

Company name: Fomo Products, Inc
Published On: Monday August 31st, 2015

 
CASE>> COATINGS
Lubrizol to Participate at Western Coatings Symposium

The Lubrizol Corporation's Performance Coatings business announces plans to participate at the Western Coatings Symposium which takes place October 25-28, 2015 in Las Vegas.Lubrizol experts will deliver three technical presentations at the symposium:■ Dr. Gabor Erdodi, synthesis scientist, will present New Polyamide-based Polyurethane...

Company name: Lubrizol Performance Coatings
Published On: Tuesday August 25th, 2015

 
CASE>> COATINGS>> SPRAY FOAMS
Big Sky Development Inc. Becomes Sprayroq Certified Partner

Big Sky Development Inc. of Hayden, Idaho, is the newest Sprayroq Certified Partner (SCP).The SCP designation provides potential customers with the confidence that Big Sky Development is fully-trained and factory authorized in proper installation of Sprayroq's spray-applied protective and structural products for all applications.Big Sky's...

Company name: Sprayroq
Published On: Wednesday August 26th, 2015

 
SES Foam Discusses the Importance of Knowing the Ins and Outs of a Spray Foam Business

Details: the snarled mess of intricacies from which understanding emerges. When it comes to evaluating an operation, digging into the details can reveal obscure trends, offer insights about performance, and answer questions about productivity. Indeed, if management isn't evaluating projects on a consistent basis, margins will begin to decrease. So...

Company name: SES Foam
Published On: Wednesday August 26th, 2015

 
CASE>> COMPOSITES>> TPU
PlastiComp Expands Hybrid Long Glass+Carbon Fiber Thermoplastic Composite Materials Line

PlastiComp, Inc., a global leader in long fiber thermoplastic (LFT) materials and technologies, announced that it has commercialized its innovative Complēt Hybrid long glass+carbon fiber composites in two additional thermoplastic polymer matrices. Their hybrid products, which combine long glass fiber and long carbon fiber together in a...

Company name: Plasticomp
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> COASTAL DEFENSE
Elastocoast System Introduced

BASF, a German chemical company, has just released a video about Elastocoast , an innovative and sustainable system to protect coastal dykes, shores and river beds.The term Elastocoast means a bonding system that reinforces hydraulic gravel at their contact surfaces permanently by means of the 2-component plastic polyurethane (PU).Elastocoast's...

Company name: BASF Polyurethanes
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> DOORS & WINDOW FRAMES
Senior's new PURe doors to open at The Build Show!

Following on from the success of its thermally advanced PURe window system, leading fenestration designer and manufacturer Senior Architectural Systems will be launching the innovative new PURe door range at The Build Show. Available as sliding folding, inline sliding, lift and slide, single and double patio door options, the new PURe range...

Company name: Senior Architectural Systems
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> INDUSTRIAL>> HOSES
Flame Retardant Hoses - Meet or Exceed UL 94V-0 Requirements

Flexaust offers a broad line of standard flexible, self-extinguishing hoses developed for a wide range of commercial and industrial applications where worker safety is critical.Flexaust UL94V-0 Rated Hoses include 15 standard products which are made from neoprene polyester, PVC polyester, acrylic polyester, PVC, polyurethane, and thermoplastic...

Company name: Flexaust Co., Inc., The
Published On: Thursday August 27th, 2015

 
PEOPLE
Murphy new President and CEO of Davis-Standard

James Murphy has been named as President and CEO of Davis-Standard, LLC, headquartered in Pawcatuck, CT, USA.Over the last 25 years Murphy has held various leadership positions in the company's Sales and Engineering Management. Prior to this position, he was responsible for leading the company's sales and marketing efforts. Robert Geckle, a current...

Company name: Davis-Standard
Published On: Monday August 31st, 2015

 
Wikstrom new President of Hexpol Gaskets

Jan Wikstrom has been appointed new President of Hexpol Gaskets and Hexpol Profiles within the Hexpol Group.He will succeed Lars-Åke Bylander, who on his own request will be leaving the Group after 15 years for assignment in other industrial activities. Wikstrom will keep his current position as President of Hexpol Wheels and as a member of the...

Company name: Hexpol
Published On: Monday August 31st, 2015

 
Hybrid Appoints Retired EPA Section Chief To Board Of Advisors

Hybrid Coating Technologies Inc. is pleased to announce that it has appointed Mary Cushmac to its board of advisors. Ms. Cushmac who retired from the US EPA in 2011 spent most of her career focusing on the dangers of isocyanates in the polyurethane industry and was in charge of numerous efforts to limit the use of isocyanates with the eventual goal...

Company name: Hybrid Coating Technologies
Published On: Friday August 28th, 2015

 
Post Named Emerald Kalama Business Director

Emerald Kalama Chemical, a business group of Emerald Performance Materials, recently announced it has appointed Eric Post to the position of K-FLEX business director, Americas. Post will be responsible for the optimization and growth of the products in the Americas region, including planning and implementing strategic business plans, building...

Company name: Emerald Kalama Chemical
Published On: Thursday August 27th, 2015

 
INDUSTRY UPDATE
Urethane Supply releases 6066-CG Nitrocell nitrogen plastic welder

Urethane Supply Co., specialists in plastic repair and refinishing for vehicles, has released its new 6066-CG Nitrocell Nitrogen Plastic Welder. Urethane Supply introduced the first commercialized nitrogen plastic welder to the collision repair industry in 2006, and the new 6066-CG Nitrocell is the latest in that line. The new 6066-CG is designed...

Company name: Urethane Supply
Published On: Wednesday August 26th, 2015

 
Chemique Continues Projected Growth in North America

As part of its continued aggressive growth strategy in North America, Chemique Adhesives Inc. is proud to announce the completed expansion to its new South-Eastern United States Headquarters. With this move Chemique, a global provider of innovative manufacturing Adhesives and Dispensing Equipment, continues to strengthen its distribution,...

Company name: Chemique
Published On: Wednesday August 26th, 2015

 
ACTEGA sharpens customer focus by concentration on market segments

ACTEGA Coatings & Sealants introduces a new online presence. Consisting of eleven operative companies, this division of specialty chemicals Group ALTANA shows a clear orientation towards customers and market segments. The focus is a customized approach of website visitors.However, a clear value proposition is not just part of ACTEGA's Internet...

Company name: Actega
Published On: Wednesday August 26th, 2015

 
Safic-Alcan strengthens its position in the USA with the acquisition of ChemSpec

Safic-Alcan, a leading specialty chemicals distributor, acquires majority stakes in ChemSpec, Ltd., a US distributor focused on rubber and adhesives business, based in Akron (Ohio, USA).This acquisition allows Safic-Alcan to control 75% of ChemSpec, Ltd. "This transaction is in line with the strategic vision of the Group to expand geographically in...

Company name: Safic-Alcan
Published On: Wednesday August 26th, 2015

 
Lehmann & Voss founds Lehvoss Korea

The Hamburg-based German compounds supplier Lehmann&Voss&Co. KG has recently established its own representative office in South Korea.With the new office of Lehvoss Korea, the company says it is aiming above all to provide an even better service for the electronics and automotive sector in South Korea and Korean transplants. Alongside China, Japan...

Company name: Lehmann & Voss & Co
Published On: Wednesday August 26th, 2015

 
PPG to Complete Acquisition of Chemfil

PPG Industries recently announced it has reached a definitive agreement to acquire the remaining interest in Chemfil Canada Ltd., a joint venture of PPG and Madinal Enterprises. The transaction is expected to close in the third quarter.The acquisition will reportedly enhance PPG's pretreatment presence and capabilities in Canada. After closing, the...

Company name: Chemfil
Published On: Wednesday August 26th, 2015

 
Woodbridge assembly plant will close, cut 200 jobs

Hundreds of jobs will be affected when the Woodbridge Sequencing Center closes its doors in Kansas City, according to a Worker Adjustment Retraining Notification Act (WARN) notice filed with the state of Missouri.According to the WARN notice, Woodbridge plans to close its sequencing and assembly plant at 7601 NW 107th Terrace by Oct. 31 and lay off...

Company name: The Woodbridge Group
Published On: Wednesday August 26th, 2015

 
Jowat Receives Supplier Award

Jowat SE recently announced it has received the Supplier Award 2014 in the category "Newcomer" from Festool GmbH, reportedly for its outstanding performance in supplying adhesive for a newly introduced edgebander. Festool is a leading provider of eccentric sanders, circular saws and routers.In less than two years, Jowat was reportedly able to...

Company name: Jowat
Published On: Monday August 24th, 2015

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> WETTING
Copolymers which can be obtained from urethane-based, polysiloxane-containing macromonomers,...

The invention relates to a copolymer which can be obtained by free-radical copolymerization of one or more urethane-based, polysiloxane-containing macromonomers and one or more further free-radically polymerizable comonomers. Processes for preparing the copolymer and its use as additive in coating compositions and plastics and as wetting agent and...

Company name: BYK-Chemie
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> BLOWING AGENTS
Method for producing trans-1-chloro-3,3,3-trifluoropropene

Provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene usable as a raw material for a foaming agent for a hard polyurethane foam, a solvent, a cleaning agent, a cooling medium, a working fluid, a propellant, a fluorinated resin, etc., the method involving a step of bringing cis-1-chloro-3,3,3-trifluoropropene into contact with a...

Company name: Central Glass Company
Published On: Thursday August 27th, 2015

 
Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene,...

The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and...

Company name: The Chemours Company
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> CATALYSTS
Catalyst compositions and methods for making foam

A composition and process to make polyisocyanurate or polyurethane foam using a catalyst composition comprising at least one bismuth carboxylate catalyst and one or more co-catalysts selected from the group of alkali metal carboxylates and quaternary ammonium carboxylate salts, such that the resultant foam has improved insulation properties. The...

Company name: Air Products and Chemicals, Inc
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Polyether polyols, process for preparing polyether polyols and their use for producing polyurethanes...

The present invention relates to a process for preparing polyether polyols, in which at least one hydroxyl-comprising fatty acid ester and/or at least one hydroxyl-modified fatty acid ester is reacted with the aid of a double metal cyanide catalyst in at least two process sections with in each case a mixture of ethylene oxide and at least one...

Company name: BASF SE
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> ISOCYANATES>> POLYISOCYANATES
Polyisocyanate-polyaddition productions

The invention relates to polyisocyanate polyaddition products and to the use of specific catalysts for their preparation, and to their use, in particular for the coating sector.

Company name: Bayer MaterialScience AG
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION
Curable resin composition, composition for forming solder resist, dry film and printed wiring board,...

The present invention provides a curable resin composition that can provide a cured material excellent in insulation reliability while maintaining adhesiveness and provide a composition for forming a solder resist, a dry film and a printed wiring board, a laminate having a resin insulating layer excellent in insulation reliability while maintaining...

Company name: Taiyo Holdings
Published On: Thursday August 27th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOSETS
Curable epoxy resin composition

A curing agent composition for an epoxy compound including (a) at least one phenalkamine, and (b) at least one isocyanate; a curable composition including (I) at least one epoxy compound, (II) at least one phenalkamine, and (III) at least one isocyanate; and a thermoset prepared from the above curable composition.

Company name: The Dow Chemical Company
Published On: Thursday August 27th, 2015

 
CASE>> COATINGS
Fluorine-containing nonaqueous coating material composition, coating methods, and the use of the...

The present invention provides nonaqueous coating material compositions comprising 30% to 80% by weight of at least one poly(meth)acrylate (A), 20% to 70% by weight of one or more polyisocyanate group-containing compounds (B), and one or more catalysts (D), the weight percentages being based in each case on the binder content of (A) and (B),...

Company name: BASF Coatings AG
Published On: Thursday August 27th, 2015

 
CASE>> COATINGS>> ROOFING
Active polymer modification of bitumen for use in roofing materials

A modified bitumen consisting of a polyurethane wherein the polyisocyanate or polyisocyanate-dominated polyurethane prepolymer (or prepolymers) is first reacted with the bitumen to take advantage of the bitumen's hydroxyl and amine functionality and form an isocyanate-bitumen adduct to form a weatherproofing product.

Company name: The Garland Company
Published On: Thursday August 27th, 2015

 
CASE>> COATINGS>> MARINE COMPOUNDS
System and method for using biocide coating to prevent marine growth on geophysical equipment

Systems and methods comprise marine geophysical equipment with polyurethane-based material at least partially covering a surface. The surface also at least partially coated with a suspension medium and with a biocide. A method comprises disposing such marine geophysical equipment in a body of water. A method comprises applying a suspension medium...

Company name: PGS Geophysical
Published On: Thursday August 27th, 2015

 
CASE>> COATINGS>> DISPERSIONS
Aqueous polyurethane dispersion derived from tertiary alkenyl glycidyl esters

This invention relates to a Waterborne Polyurethane Dispersions (WPU) derived from the reaction products of tertiary alkyl glycidyl esters based hydroxyl terminal polyester polyols with polyisocyanates and chain extended with poly-functional amines and dispersed in water have shown the surprising inherent ability for self-coalescence. Furthermore...

Company name: Hexion Specialty Chemicals Inc
Published On: Thursday August 27th, 2015

 
Use of aqueous polyurethane dispersions for laminating molded articles

The use of aqueous polyurethane dispersions is described for the lamination of moldings, where the polyurethane comprises units derived from at least one amorphous polyester polyol and comprises units derived from at least one polycarbonate.

Company name: BASF SE
Published On: Thursday August 27th, 2015

 
CASE>> ADHESIVES
Polyurethane adhesive

The present invention relates to acrylic compositions capable of bonding directly with an isocyanate-containing composition, e.g. polyurethane, and methods for manufacturing the same. The acrylic compositions of the invention have multifunctional chain transfer agents and/or multifunctional crosslinkers with isocyanate-reactive groups.

Company name: Lucite International
Published On: Thursday August 27th, 2015

 
CASE>> ADHESIVES>> BINDERS
Articles prepared using recycled materials and methods of preparation thereof

The present invention is directed to articles of manufacture having at least a portion prepared using recycled material, including but not limited recycled rubber or other polymeric materials. The articles may incorporate the recycled materials in a granulated form. In specific embodiments, the article comprises an article of footwear (i.e., a...

Company name: Aetrex Worldwide
Published On: Thursday August 27th, 2015

 
CASE>> ADHESIVES>> FILM
Tacky, heat curable multi-layer adhesive films

Disclosed is a multi-layer adhesive film including a heat curable adhesive film and a first tacky adhesive composition disposed on the first major surface of the heat curable adhesive film. The heat curable adhesive film includes a surface-deactivated solid isocyanate and a polyurethane that includes functional groups that are reactive with...

Company name: HB Fuller
Published On: Thursday August 27th, 2015

 
CASE>> ADHESIVES>> STRUCTURAL ADHESIVE
Structural polyurethane adhesive

A two-component polyurethane adhesive is described. The polyurethane adhesive has high strength and extensibility, wherein the mechanical properties are only slightly dependent on the temperature. The polyurethane adhesive is suitable as a structural adhesive that is decomposed by heating in such a way that adhesive bonds can be undone in a...

Company name: Sika Technology AG
Published On: Thursday August 27th, 2015

 
CASE>> ELASTOMERS>> FILMS
Deformable film

A deformable film has a decorative surface featuring a completely matt appearance. For this purpose, the deformable film has a decorative surface provided with at least one coating comprising the following constituents: (a) an aqueous dispersion of a hydroxy-functional prepolymer, obtainable by conversion of at least one of the following...

Company name: Bayer MaterialScience
Published On: Thursday August 27th, 2015

 
CASE>> COMPOSITES
Aerogel-containing polyurethane composite material

The present invention relates to a composite material comprising nanoporous particles and at least one binder constructed from at least one isocyanate and at least one polymer P selected from the group consisting of polyvinylamine, poly(meth)acrylic acid, poly(meth)acrylic ester, polyvinyl alcohol, polyvinylthiol and mixtures thereof, wherein said...

Company name: BASF SE
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> WALL STRUCTURE
Wall construction method using injected urethane foam between the wall and autoclaved concrete (AAC)...

The present invention provides novel wall construction systems and materials for residential and commercial construction that incorporate grooved lightweight building material units (e.g., blocks, panels, and the like), a plurality of connection devices, a track system, and (injected) polyurethane structural foam. The wall construction system...

Company name:
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> ROOFING & FLOORING SURFACES
Stall floor covering made of expanded thermoplastic polyurethane particle form

The invention relates to a stall floorcovering comprising a foam mat comprising expanded thermoplastic polyurethane-bead foam, to processes for producing same, and also to the use of expanded thermoplastic polyurethane-bead foam for producing the stall floorcovering.

Company name: BASF SE
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Continuous method for producing a lightweight sandwich panel and lightweight sandwich panels...

The invention relates to: A) a continuous method for producing a lightweight sandwich panel having an upper and a lower cover layer made of pressed wood chips glued to one another, as well as an intermediate hard foam layer which is thick in relation to a cover layer, arranged between the cover layers and fixedly connected thereto, the method...

Company name:
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> PRINTING>> FLEXOGRAPHIC PRINTING PLATE
Process for making lithographic printing plate

A process for making a lithographic printing plate is provided that includes a step of producing a negative-working lithographic printing plate precursor comprising, above a support, a photopolymerizable photosensitive layer comprising a vinylcarbazole compound-derived monomer unit-containing acrylic polymer and/or a urethane-acrylic hybrid...

Company name: Fujifilm
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Method of post-mold crosslinking thermoplastic polyurethane golf ball cover compositions

A multi-piece golf ball is manufactured by molding a cover layer and a core layer to form a golf ball preform in a mold. The cover layer has a thermoplastic polyurethane composition which may be crosslinked by ultraviolet radiation. After molding, the golf ball preform is removed from the mold. A UV curable topcoat composition is applied to the...

Company name: Nike
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> SPORTS>> GRIPPING SURFACE
Controllably degradable thermoplastic polyurethane

Controllably degradable overgrips are provided, as well as methods of producing controllably degradable thermoplastic polyurethane. Methods comprise pre-blending a catalyst on a matrix, dispersing a specified amount of the pre-blended catalyst throughout solid granular thermoplastic polyurethane to yield a polymer component, and determining an...

Company name: ECO Sports
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> MINING>> SCREENS
Polyurethane screen

A molded polyurethane screen including a body having opposite side edge portions, upper and lower edge portions, an upper surface and a lower surface, first members extending between the side edge portions and the second members extending between the lower edge portion and the upper edge portion, third members substantially parallel and extending...

Company name: Derrick
Published On: Thursday August 27th, 2015

 
FINISHED PRODUCTS>> BODYCARE / HEALTHCARE>> OTHER
Hair extension device and related methods of manufacture

A hair extension device is provided, the device comprising: a first strip of polyurethane having a first surface; a plurality of hair having opposing ends, the first ends are sewn together and attached to the first surface of the first panel, the second ends being freely movable; a second strip of polyurethane placed over the first ends of the...

Company name:
Published On: Thursday August 27th, 2015

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> BIOMATERIALS
Polyisobutylene-based polyurethanes: VII. structure/property investigations for medical applications

The outstanding hydrolytic and oxidative stabilities of polyisobutylene-based polyurethanes (PIB-based PUs) were reported earlier. Herein, we summarize recent investigations aimed at further enhancing hydrolytic-oxidative stabilities (in terms of resistance to aqueous buffer, nitric acid and CoCl2/H2O2) together with excellent mechanical...

Company name: The University of Akron
Published On: Monday August 31st, 2015

 
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
Comment on Novel biodegradable polyurethanes reinforced with green nanofibers for applications in...

Due to the growing interest in green products and green processes, many studies close with speedy conclusions on the green nature of their research without substantial supporting data. In this letter, a recent publication is identified and scientific questions about the greenness of the product are raised. Utilization of tools such as '12...

Company name: Ohio Coal Research Center
Published On: Monday August 31st, 2015

 
CASE>> COATINGS>> SOLVENT BASED
High‐build alkyd urethane coating materials with a partially solvolyzed waste polyurethane...

Solvent-borne alkyd urethane coating compositions containing 20 or 40 wt% (on solids) of partially solvolyzed waste polyurethane foam (PUR) were prepared and analyzed. Partial solvolysis of the soft polyurethane foam was carried out via extrusion with either 5 or 10 wt parts of solid polyol, that is, trimethylolpropane (TMP) or...

Company name: The West Pomeranian University of Technology
Published On: Monday August 31st, 2015

 
CASE>> ELASTOMERS
Segmented polyurethane elastomers by nonisocyanate route

Novel segmented polyurethane elastomers were successfully synthesized by a nonisocyanate route using dicyclic carbonates as precursors for both soft and hard segments. The hard segment was prepared from the dicyclic carbonate of bisphenol A and m-xylylenediamine as chain extender. The soft segment was poly(tetramethylene ether) glycol of molecular...

Company name: Universidad de Antioquia
Published On: Monday August 31st, 2015

 
CASE>> ELASTOMERS>> TPU
Largely toughening biodegradable poly(lactic acid)/thermoplastic polyurethane blends by adding MDI

This work focuses on largely toughening poly(lactic acid)/thermoplastic polyurethane (PLA/TPU) blend with lower content (20 wt %) of TPU using appropriate contents of 4,4-methylene diphenyl diisocyanate (MDI) via simple melt blending. Both scanning electron micrographs and differential scanning calorimetry curves suggest little change of the...

Company name: South China University of Technology
Published On: Monday August 31st, 2015

 
CASE>> COMPOSITES
Preparation and properties of compatible starch‐polycaprolactone composites: Effects of...

In this study, polycaprolactone (PCL)-diol samples of soft segment with different molecular weights were utilized to synthesiz polyurethane prepolymer (PCLPUP) and was charged in an intensive mixer to prepare starch-PCLPU-PCL composites. The impact of the polyurethane soft segments with different molecular weights on the starch-PCLPI-PCL composite...

Company name: Central China Normal University
Published On: Monday August 31st, 2015

 
 

Copyright © PU2PU 2013 | The Polyurethane Newsletter - Issue | Urethane Update - Issue | Contact us

You are subscribed to the PU Newsletter mailing list. Click to UNSUBSCRIBE your address. PU2PU comply with the CAN-SPAM Act of 2003. For more information, please read our PRIVACY POLICY. If you have any questions about subscription to this list, contact us at: subscriptions@pu2pu.com