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    PU2PU
  Issue-426 - August 25, 2014   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Alexium awarded grant by the south carolina/israel collaborative Industry R&D Program for...

Alexium International Group Limited announced today that Alexium, Inc. has received a S250.000 grant from the South Carolina/Israel Collaborative industry R&D Program, a bi-national initiative that facilitates bilateral industrial R&D projects between companies from South Carolina and Israel. As part of this program. Alexium will work with ICL. Inc...

Company name: Alexium International
Published On: Friday August 22nd, 2014

 
PU RAW MATERIALS>> POLYOLS
Dow Announces Polyol Increase by $0.07/pound in US

Effective October 1, 2014, or as soon thereafter as the applicable contract allows, The Dow Chemical Company will increase its price for all grades of VORANOL™, VORALUX™, and SPECFLEX™ Polyols by US $0.07/pound (equivalent to around US$ 155/ton) for all market segments in the United States.All other contract terms and conditions remain in full...

Company name: Dow Polyurethanes
Published On: Monday August 25th, 2014

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Nordmann, Rassmann GmbH is Appointed Distributor of Novomer's Converge Polyols in Germany

Novomer Inc., a sustainable materials company pioneering a family of high-performance polymers and other chemicals from renewable feedstocks such as carbon dioxide (CO2), has appointed Nordmann, Rassmann GmbH, a leading distributor of specialty chemicals, as its authorized distributor of Converge polypropylene carbonate (PPC) polyols in...

Company name: Nordmann Rassmann
Published On: Tuesday August 19th, 2014

 
PU RAW MATERIALS>> ISOCYANATES>> ALIPHATIC
China IPDI Market Peaks in May and Expected to Pick up again in September

Domestic IPDI market in China has continuously risen up in the first half of this year before it reverses trend in June amid low seasonality and prices have peaked in May RMB 72,500/ton reflected by prices of Bayer MaterialScience (BMS) sources, according to market source and PUdaily.Price increment is mainly driven by demand uptick during the...

Company name:
Published On: Friday August 22nd, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> POTTING / ENCAPSULATION RESINS
Green Potting Compound

If you need an elastomeric potting, encapsulating or casting compound that takes it easy on the environment, our 20-2121 polyurethane will fit the bill.Made from natural oil polyol (NOP) rather than fossil fuel feedstocks, this plant-based potting and casting compound does not contain TDI, MbOCA or Mercury. And 20-2121's overall toxicity is so low...

Company name: Epoxies, Etc
Published On: Wednesday August 20th, 2014

 
Control The Flow Of Your Potting Compounds

Potting compounds that flow easily may fill every nook and cranny of the electronics cavity. Yet these low-viscosity compounds can also leak from holes or other openings in the cavity before they get a chance to cure. More viscous compounds can have the opposite problem. They may not leak from the cavity, yet they may not fully fill it either....

Company name: Epoxies, Etc
Published On: Wednesday August 20th, 2014

 
Electrolube Encapsulation Resin Meets Tough Specifications for Wind Turbine Electrical Installation

Wind turbines present some of the most challenging environments for electrical and electronic installations. Often subject to extremely high humidity levels, high temperatures and vibration, these installations require specialised protection measures above and beyond what would normally be needed under less aggressive conditions.This was the case...

Company name: Electrolube
Published On: Friday August 22nd, 2014

 
CASE>> COATINGS>> FLOORING
Sika installs flooring and waterproofing solution at building car park

Sika Australia was commissioned to install a flooring and waterproofing solution at the car park of a multi-storey residential building within a large urban development in Footscray, Melbourne.Located in the Inner West suburb of Footscray, the landmark $350 million urban development will incorporate an array of residential and commercial buildings,...

Company name: Sika Australia
Published On: Wednesday August 20th, 2014

 
CASE>> COATINGS>> SPRAY FOAMS
Customized Package Effectively Educates Consumers and Grows Spray Foam Contracting Business

A great product is only as good as the marketing campaign that sustains its performance. Even though spray polyurethane foam is increasingly being acknowledged as a high-performance type of building insulation, there are many who remain unfamiliar to SPF's benefits. Therefore, it is important for spray foam companies to find easy ways to market...

Company name: Energy One America
Published On: Thursday August 21st, 2014

 
CASE>> ELASTOMERS>> TPU
Roger Huarng from APS Compounding to Present Review of Zythane TPU Technology at TOPCON 2014

Roger Huarng, Principal at APS Compounding and APS Elastomers will present his paper, Conceptual Review of Zythane TPU Technology at TOPCON 2014 in Akron, Ohio on Thursday, September 18, in which he will discuss the conceptual origin of ZYTHANE* technology; explaining its thermal and rheological characteristics as well as tools for developing TPUs...

Company name: APS Elastomers
Published On: Wednesday August 20th, 2014

 
PROCESSING EQUIPMENTS - PRODUCTION>> RIGID FOAM>> SPRAY
New Polyurea Equipment Website Launch

SFS announced today the launch of their new website www.PolyureaEquipment.com. This new website was designed to help Polyurea and High Performance Protective Coatings Contractors by providing a single source for everything polyurea. The new site is packed full of product info such as the versatile line of ProPAK Mobile Spray Rigs. The ProPAK XD...

Company name: Spray Foam Systems
Published On: Monday August 18th, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING
NAHB's Indicators of Housing Market Spike Give Spray Polyurethane Foam Contractors a Boost

It has been a gradual process, but the housing market is coming back strong. The National Association of Home Builders (NAHB) has been reporting data throughout the housing comeback, and the data from July and August provide further evidence that the housing market is rebounding and returning to normal. The surge of housing units being built...

Company name: The National Association of Home Builders
Published On: Thursday August 21st, 2014

 
Unwanted Kingspan Polyurethane Foam Sheets Get Second Life in Rubbish house

A house produced entirely from recycled rubbish includes an insulation system made of recycled Kingspan sheets of polyurethane foam.In all, 250m2 of "returned" Kingspan insulation foam went into the walls, floor and roof said architect and University of Brighton lecturer Duncan Baker-Brown, who built the house with students from the university.More...

Company name: Kingspan
Published On: Monday August 25th, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
Using Icynene spray foam insulation to influence green construction

Putting the best building solutions into a housing environment should benefit both residents and construction firms.. That way, both groups are more willing to invest in environmentally friendly housing. With the addition of Icynene spray foam insulation, such a market transformation is much easier to envision."For every dollar less a home buyer...

Company name: Icynene
Published On: Tuesday August 19th, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
CIDB, Bayer team up to build affordable house prototypes

The Construction Industry Development Board (CIDB) and Bayer Co (M) Sdn Bhd will be constructing two prototype houses as part of a collaborative effort in the affordable housing solution project.CIDB CEO Datuk Seri Dr Judin Abdul Karim said the two prototype houses will be constructed at the CIDB's Industrialised Building Show Village site in Kuala...

Company name: The Construction Industry Development Board Malaysia
Published On: Tuesday August 19th, 2014

 
FINISHED PRODUCTS>> MEDICAL
Intelligent structural material for medical technology

Medical technology suppliers such as Swiss-based Emaform AG have high expectations when selecting appropriate structural materials. The polyurethane integral skin foam systems Baydur 66 FR and 110 FR from Bayer MaterialScience are right at the top of their game, meeting every need in terms of functionality, design, strength and fire protection for...

Company name: Bayer MaterialScience
Published On: Friday August 22nd, 2014

 
FINISHED PRODUCTS>> INDUSTRIAL>> BELT
ContiTech further develops the successful flat belt technology for elevators.

With the CONTI POLYROPE, ContiTech further develops the successful flat belt technology, which was introduced in the elevator industry in the late 1990s. The CONTI POLYROPE is certified according to the Lift Directive 95/16/EC, available in two different widths, with and without profiled back side and offers numerous advantages compared to...

Company name: ContiTech
Published On: Thursday August 21st, 2014

 
FINISHED PRODUCTS>> INDUSTRIAL>> HOSES & TUBING
Contaminated Irrigation Systems Need Polyurethane Hoses

Rubber, plastic composites and other materials have been used in water distribution practises for years. Hazardous materials encompasses a large range of substances and dangers. The latest trend is to use polyurethane and nylon fittings all NSF approved and tested."The new-age practise of organic farming requires soil testing, air testing, eater...

Company name: Clear Flow Water Hose
Published On: Wednesday August 20th, 2014

 
FINISHED PRODUCTS>> FOOTWEAR
Delcam CRISPIN to host first Footwear Technology Forum in Milan

Delcam CRISPIN is running its first international Footwear Technology Forum for designers and manufacturers of all types of footwear that are looking for new technology to improve their businesses. The Forum will be hosted at the Hotel Hermitage in Milan on 14th and 15th October. Full details are on www.ft-forum.comThe Forum will focus on current...

Company name: Delcam CRISPIN
Published On: Friday August 22nd, 2014

 
INDUSTRY UPDATE
German chemical R&D investment reaches €10.5bn in 2013, says VCI

The chemical industry in Germany spent around €10.5bn in research into new products and processes last year, up 8% compared with 2012, according to the latest data from chemicals trade group Verband der Chemischen Industrie (VCI).According to VCI, the chemical industry was one of the three sectors that attracted the highest research budgets in...

Company name: Verband der Chemischen Industrie
Published On: Friday August 22nd, 2014

 
Kingspan Group plc announces the acquisition of the Building Insulation Division of Pactiv

Kingspan, the global leader in high performance insulation, building fabric and solar integrated building envelopes, is pleased to announce that it has entered into an agreement with Pactiv to acquire the US building insulation business of Pactiv.Pactiv building insulation produces a comprehensive range of XPS insulation products under the...

Company name: Kingspan
Published On: Friday August 22nd, 2014

 
Why Greenlight Capital establishes new position in Chemtura

Greenlight disclosed a new position in Chemtura Corp. (CHMT). It accounted for 1.06% of the fund's 2Q14 portfolio.Philadelphia-based Chemtura Corp. is a specialty chemical company with global operations. The majority of its chemical products are sold to industrial manufacturing customers for use as additives, ingredients, or intermediates that add...

Company name: Chemtura Corp
Published On: Thursday August 21st, 2014

 
Alexium International Group aims high with leadership in flame retardants

Alexium International Group (ASX:AJX) continues to assist over a dozen potential customers in the final stages of the development cycle and expects them to soon purchase quantities of its speciality chemistry for full width production runs.This has clearly led to excitement building with Alexium shares rising 22% to the current $0.105 from its...

Company name: Alexium International
Published On: Wednesday August 20th, 2014

 
Leggett & Platt Reaches Tentative Settlement of Antitrust Claims

The company expects to record a $39.8 million (pre-tax), or approximate $.18 per share, third quarter accrual for the settlement of the U.S. direct purchaser class portion of the polyurethane foam antitrust claims filed against the company and numerous other defendants. This claim is partially related to the former Prime Foam Products business,...

Company name: Leggett & Platt
Published On: Wednesday August 20th, 2014

 
U.S. Chemical Production Accelerated in July; All Regions Posted Gains

According to the American Chemistry Council's (ACC) U.S. Chemical Production Regional Index (U.S. CPRI), chemical production expanded by 0.4 percent in July following an downwardly revised 0.2 percent gain in June.Manufacturing output accelerated during July, and on a three-month moving average (3MMA), production of the nation's overall...

Company name: The American Chemistry Council
Published On: Wednesday August 20th, 2014

 
Fenner Precision to close Buffalo operation

Unless a commercial buyer can be found Fenner Precision's Buffalo facility will close on Dec. 31.The 60 employees were told of the decision earlier this week.Earlier this month, the company told employees that it was undertaking a business review of the Buffalo facility."We conducted a comprehensive review of the facility and its operations, and...

Company name: Fenner Precision
Published On: Wednesday August 20th, 2014

 
Axalta Invests in Mexico

Axalta Coating Systems, a leading global supplier of liquid and powder coatings, today announced a commitment to invest $10.5 million in Tlalnepantla, Mexico, to expand capacity to produce resins used in the manufacture of transportation coatings. The investment is intended to enhance and expand the capability of the Tlalnepantla operations center,...

Company name: Axalta Coating Systems
Published On: Tuesday August 19th, 2014

 
HEALTH & SAFETY
Could Your Respiratory Ailments be the Result of the Air You Breathe at Work?

Last month, NBC published a report about workers from an Alabama manufacturing plant that suffer from respiratory conditions ranging from asthma to bronchitis. According to the article, the plant makes foam cushions for a large foreign car manufacturer and workers believe exposure to isocyanates could be the culprit for their conditions.Toluene...

Company name: EMSL Analytical
Published On: Monday August 18th, 2014

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> RELEASE AGENTS>> INTERNAL
Internal mold release agents for polyurethane materials

An internal mold release agent (IMRA) which effectively releases a cured polyurethane (PU) material from a metal, in particular steel, mold. The IMRA is a surface active agent containing phosphorus or a combination (blend or reaction product) of the agent with other chemicals. In one embodiment the agent is a phosphate ester. In one embodiment the...

Company name: Henkel
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS>> AMINE BASED
Novel diamine compound

The present invention provides a novel diamine compound represented by formula (1) below. A in formula (1) denotes an optionally-substituted divalent aliphatic group (having a carbon number of 10 or less) or an optionally-substituted divalent aromatic group (having the number of rings of 4 or less), for example. The diamine compound of the present...

Company name: Nitto Denko Corporation
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Preparation of polyurethanes and polyesters from glycolipid type compounds

The present invention relates to the use of a compound of formula (I): ##STR00001## wherein: R represents a linear or branched alkyl group, comprising from 3 to 27 carbon atoms, said alkyl group being substituted with at least two hydroxyl groups, and which may optionally contain one or more unsaturations; and R' is selected from sugars or...

Company name:
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> ISOCYANATES
Method for preparing isocyanates by liquid-phase thermal cracking

The present invention discloses a method for preparing isocyanates by liquid-phase catalytic thermal cracking. In this method, in a reaction-rectification thermal cracking reactor, using a catalyst composition comprising a superfine powder metal oxide catalyst and an ionic liquid, an alkyl or aryl dialkylurethane, or multialkylurethane being a...

Company name: Lanzhou Institute of Chemical Physics
Published On: Friday August 22nd, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION
Method for removing radioactive cesium, hydrophilic resin composition for removal of radioactive...

A method for removing radioactive cesium and/or iodine from a radioactive substance in liquid and/or a solid matter using a hydrophilic resin composition comprising a hydrophilic resin and a metal ferrocyanide compound, wherein the hydrophilic resin includes at least one hydrophilic resin selected from the group consisting of a hydrophilic...

Company name: Dainichiseika Color & Chemicals
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> RAY-CURABLE/PHOTOSENSITIVE
Urethane acrylate having a high refractive index and reduced double bond density

The invention relates to novel specially substituted urethane acrylates based on tris(p-isocyanatophenyl)thiophosphate having a high refractive index and reduced double bond density, and to a method for the production and use thereof.

Company name: Bayer MaterialScience
Published On: Friday August 22nd, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Toner and development agent, image forming apparatus, and process cartridge using the same

A toner includes a coloring agent, a binder resin comprising a crystalline resin having a urethane skeleton and/or urea skeleton, and a releasing agent (a microcrystalline wax). A development agent, a process cartridge, and an image forming apparatus employ the toner to form images on recording media electrophotographically.

Company name: Ricoh
Published On: Friday August 22nd, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSION
Polyurethane aqueous dispersion, formed film obtained from same, and glove

Provided is a polyurethane aqueous dispersion characterized in having practical utility in terms of processing suitability when a formed film is produced by salt coagulation method, and characterized in that a formed film obtained from the same has practical utility in terms of resistance against ethanol water. A polyurethane aqueous dispersion for...

Company name: Toyo Polymer
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> EMULSIONS
Method for preparing emulsion resin composition for cationic electrodeposition paint

The present invention is to provide a method for preparing an emulsion resin composition for a cationic electrodeposition paint, which prepare a cationic electrodeposition paint composition as reducing time for desolvation time or eliminating desolvation step. The present invention provide a method for preparing an emulsion resin composition for...

Company name: Nippon Paint
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Binder for battery, and anode and lithium battery including the same

A binder for a battery including polyurethane particles and a binder polymer is disclosed. Additionally, a binder composition, and an anode and a lithium battery which include the binder are also disclosed.

Company name: Samsung SDI
Published On: Thursday August 21st, 2014

 
PU RAW MATERIALS>> RESIN COMPOSITION>> TPU
Transparent multilayer sheet having electrostatic dissipative properties

Disclosed is a transparent multilayer sheet that is excellent in antistatic properties, as well as transparency. The transparent multilayer sheet includes a surface layer comprising a conductive thermoplastic polyurethane or polyurea resin containing ethylene oxide; and a back layer attached to the surface layer and comprising a transparent...

Company name: Lubrizol Advanced Materials
Published On: Friday August 22nd, 2014

 
SYSTEMS>> ADHESIVES>> TWO-COMPONENTS
Two part hybrid adhesive

Provided are two part hybrid adhesives that comprise an organoborane amine complex, a polyamine, a component polymerizable by free radical polymerization, and a polyisocyanate component. An isocyanate terminated prepolymer can advantageously be used in the practice of the invention. The adhesive is particularly well suited for low surface energy...

Company name: Henkel
Published On: Thursday August 21st, 2014

 
SYSTEMS>> SEALANTS>> SEALANT (ONE-COMPONENT)
UV-curable floor sealants

Described is a UV-curable sealant composition, which is preferably a one part sealant. The one part sealant is made from urethane acrylate, acrylate ester, precipitated silica, and photoinitiator. More specifically, the one part sealant is made from about 15-35 weight percent aliphatic and/or alicyclic urethane acrylates, about 40-70 weight percent...

Company name: Photokinetic Coatings & Adhesives
Published On: Friday August 22nd, 2014

 
SYSTEMS>> COSMETIC COMPOSITIONS
Long-wearing cosmetic composition

The present invention relates to a cosmetic composition particularly useful for the application of color such as in a foundation, lip gloss, lip stick, mascara, eye shadow, blush, and nail polish, for example. A cosmetic composition according to the present invention includes a film-forming silicone-containing polyurethane having a viscosity from...

Company name: Avon Products
Published On: Friday August 22nd, 2014

 
FOAMS>> FLEXIBLE
Process for making a flexible polyurethane foam

Flexible polyurethane foam having a density of 25-70 kg/m.sup.3 and a compression load deflection of 5-15 kPa. Process for making a flexible polyurethane foam and the use as plant growth medium and in green roofs and green walls.

Company name: Huntsman International LLC
Published On: Friday August 22nd, 2014

 
FOAMS>> RIGID>> OPENED CELL
Reactive cell opener composition, polyol composition, and open-celled polyurethane foam

The present invention relates to a reactive cell opener composition that includes a base oil, and a metal salt of a fatty acid having a hydroxyl group coupled to an isocyanate group. The invention also relates to a polyol composition that includes a polyol, a foam stabilizer, and a cell opener mixed with each other. The present invention also...

Company name: LG Electronics
Published On: Thursday August 21st, 2014

 
FOAMS>> RIGID>> POLYISOCYANURATE FOAMS
Process for producing a rigid polyurethane-isocyanurate foam

The invention provides a process for producing rigid polyurethane-polyisocyanurate foams using polyols having a high proportion of secondary hydroxyl end groups. The invention further relates to the rigid polyurethane-polyisocyanurate foams thus obtainable and to the use thereof in the production of composite elements from rigid...

Company name: Bayer Intellectual Property
Published On: Thursday August 21st, 2014

 
CASE>> COMPOSITES>> BIOBASED
Environmentally friendly polyurethane composite panel

The present invention is a method to make an environmentally friendly polyurethane molded article (100) comprising at least 20 percent renewable materials and molded articles made therefrom. Specifically, the method provides for molding a polyurethane coated sandwich structure (40) comprising a honey comb core (30) having fiber reinforcing layers...

Company name: Dow Global Technologies
Published On: Friday August 22nd, 2014

 
CASE>> COMPOSITES>> ELASTOMERIC COMPOSITION
Composite materials comprising aggregate and an elastomeric composition

A composite material comprises aggregate and an elastomeric composition. The elastomeric composition comprises the reaction product of an isocyanate component and an isocyanate-reactive component. The isocyanate component comprises a polymeric isocyanate, and optionally, an isocyanate-prepolymer. The isocyanate-reactive component comprises a...

Company name: BASF SE
Published On: Thursday August 21st, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING>> TILES (ROOFING & FLOORING)
Type environment-friendly tile and method of manufacturing the same

A new type environment-friendly tile and method of manufacturing the same, firstly, provide a multi bottom-fiber layer containing a environment-friendly water-borne resin; next, place a top wear-resistant layer made of thermoplastic polyurethane (TPU) on a top surface of said multi bottom-fiber layer, and perform hot pressing and lamination on...

Company name: Dongguan Mei Jer Plastic Products
Published On: Friday August 22nd, 2014

 
FINISHED PRODUCTS>> CONSTRUCTING>> CEMENT COMPOSITIONS
Cement compositions comprising particulate foamed elastomers and associated methods

Methods of subterranean cementing involving cement compositions comprising particulate foamed elastomers and associated methods are provided. In one embodiment, the methods comprise introducing a cement composition into a subterranean location, wherein the cement composition comprises a hydraulic cement, a particulate foamed elastomer, and an...

Company name: Halliburton Energy Services
Published On: Friday August 22nd, 2014

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

The present disclosure relates to golf balls having components including intermediate layers and outer cover layers prepared from blends of polyamides mixed with one or more functional polymer modifiers. The functional polymer modifier incorporates a copolymer or a terpolymer having a glycidyl group, hydroxyl group, maleic anhydride group or...

Company name: Taylor Made Golf Company
Published On: Friday August 22nd, 2014

 
Golf ball having a cover layer with a purposed hardness gradient

Compositions for golf balls that include polyurethane and/or polyurea linkages and that are crosslinked in the soft segments of the polymer backbone to improve the crosslink density and effect a hardness gradient throughout the molded article.

Company name: Acushnet Company
Published On: Friday August 22nd, 2014

 
FINISHED PRODUCTS>> MEDICAL
Radiopaque iodinated and iodide-containing crystalline absorbable aliphatic polymeric materials and...

Radiopaque, iodinated, absorbable polyesters, polyester urethanes, and polyether-ester-urethanes with and without inorganic iodide micro-/nanoparticles dispersed or solubilized therein, and composite inorganic iodide micro-/nanoparticles in an absorbable polyester, polyester-urethane, polyester-ester, or polyether-ester urethane matrix are employed...

Company name: Poly-Med
Published On: Friday August 22nd, 2014

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
Fast-curing alkoxysilane spray foams

The present invention relates to an isocyanate-free multicomponent system, especially for production of foams for medical products such as wound dressings, comprising at least two separate components, the first component comprising at least one alkoxysilane-terminated prepolymer and the second component an aqueous component, and the aqueous...

Company name: Bayer Intellectual Property
Published On: Thursday August 21st, 2014

 
Fast-setting alkoxysilane spray foams

The present invention relates to an isocyanate-free multi-component system, in particular for medical uses such as foamable wound coverings, with at least two separate components, wherein the first component comprises at least one alkoxysilane-terminated prepolymer and the second component comprises an aqueous component, wherein the aqueous...

Company name: Bayer Intellectual Property
Published On: Thursday August 21st, 2014

 
CHEMISTRY
Process for preparing compositions based on a starchy component and on a synthetic polymer

Process for preparing a composition based on a synthetic polymer includes: introducing, into a reactor containing a softened or molten synthetic polymer, a non-plasticized starchy component and a plasticizer of the latter; and kneading the mixture obtained under conditions sufficient to obtain the plasticization of the starchy component by the...

Company name: Roquette
Published On: Friday August 22nd, 2014

 
Polyureas made from aminocrotonates

A polymer made by reacting a polyisocyanate with a compound having the formula below. R.sup.1 is an organic group. R.sup.2 is an aliphatic group. R.sup.3 is an aliphatic group. The polyisocyanate reactants are at least 50 mol % aromatic polyisocyanates. The reaction forms urea groups from the isocyanate groups of the polyisocyanate and the NH...

Company name: United States Govemment, as represented by the Secretary of the Navy
Published On: Thursday August 21st, 2014

 
Method for producing cyclic carbonates

Linear or cyclic carbonates as potential monomers for isocyanate-free polyurethanes and polycarbonates were prepared from polyols and dialkyl carbonates or diphenyl carbonates. This invention was developed to produce linear or cyclic carbonates with or without using catalysts. Polyol compounds were reacted with carbonates such as dimethyl carbonate...

Company name:
Published On: Thursday August 21st, 2014

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> COATINGS>> RADIATION CURABLE COATINGS
Preparation and properties of phase-change heat-storage UV curable polyurethane acrylate coating

Phase-change heat-storage UV curable polyurethane acrylate (PUA) coating was prepared by applying microencapsulated phase change materials (microPCMs) to PUA coating. MicroPCMs containing paraffin core with melamine-formaldehyde shell were synthesized by in situpolymerization. The effect of stirring speed, emulsification time, emulsifier amount,...

Company name: Zhejiang University
Published On: Monday August 25th, 2014

 
FOAMS>> RIGID
Study of the mechanical, thermal properties and flame retardancy of rigid polyurethane foams...

Polyurethane foams (PUFs) were prepared using modified castor-oil-based polyols (MCOs). In the first stage, castor oil (CO) was converted into monoglycerides and diglycerides by alcoholysis with glycerol and pentaerythritol. Next, the polyester polyols were synthesised by condensation with the alcoholysis of CO and phthalic anhydride. The chemical...

Company name: Institute of Chemical Industry of Forestry Products
Published On: Monday August 25th, 2014

 
CASE>> ELASTOMERS
Polyurethanes containing a crystalline polyol and semiflexible urethane segments

Ultradrawing semicrystalline polymers is an intriguing approach to develop stiff, strong, and tough polymeric fibers. In the research field of polyurethane copolymer elastomers the term "soft segment" usually refers to the medium molecular weight glycol while the term "hard segment" stands for the urethane rich or isocyanate-short glycol segments....

Company name: Universidad del Pa�s Vasco
Published On: Monday August 25th, 2014

 
High-performance segmented polyurea by transesterification of diphenyl carbonates with aliphatic...

In an effort to develop a green process for the production of elastomeric polyurethane-urea (PUaE) through a nonisocyanate route, a highly practical method was found using diphenyl carbonate (DPC) instead of diisocyanate as the carbonylation agent. The transesterification of aliphatic diamines in a solvent such as tetramethylene sulfone (TMS) with...

Company name: National Chung Hsing University
Published On: Monday August 25th, 2014

 
 

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