Issue-649 - March 20, 2017   Recommend
Press Releases Patents Technical Papers
There's no compromising the coating system with BYK additives

The times when a decorative coating for interior or exterior use in the architectural sector was simply paint without any function are long since gone. Likewise, the regulatory demands on coating producers increase significantly from year to year.BYK, one of the world's leading suppliers of tailor-made additives for the paint and coatings industry,...

Company name: BYK-Chemie
Published On: Wednesday March 15th, 2017

BASF increases prices of additives for plastics applications

Effective today, or as contracts allow, BASF is increasing the prices by 10 percent globally for a majority of products in its additives portfolio for plastic applications.Price increases will apply to the following product classes:■ Antioxidants■ Light stabilizers, flame retardants and other plastic additivesThe price adjustment is in...

Company name: BASF
Published On: Wednesday March 15th, 2017

Demonstrations of new anti-scratch additives at Koplas 2017

Croda Europe Ltd will exhibit at Koplas 2017 in Korea and will be offering live demonstrations on the stand of their new range of anti-scratch additives. These additives not only reduce scratch width, depth and visibility but the highly stable additives offer no negative impact on parts including low visible bloom, low odour and maintained gloss. ...

Company name: Croda International
Published On: Monday March 20th, 2017

BASF to invest in new plastic additives plant in Shanghai, China

As announced in November 2016, BASF is investing more than €200 million globally to increase its production network for plastic additives. An important step is an investment to build a new plastic additives plant at its Caojing site in Shanghai, China. This world-scale plant, with an annual capacity of 42,000 tons, will produce antioxidants and...

Company name: BASF Corporation
Published On: Wednesday March 15th, 2017

Chromaflo Technologies Acquires Elementis Specialties, Inc. Colorants Business

Chromaflo Technologies Corp., the largest independent global supplier of advanced colorants and chemical dispersions for the paint, coatings and thermoset plastics industries concluded a purchase agreement with Elementis Specialties, Inc. whereby Chromaflo Technologies Corp. has acquired the Elementis Tint-Ayd line of colorant products and select...

Company name: Chromaflo Technologies
Published On: Monday March 20th, 2017

Stepan Polska Announces Polyol Price Increase for Europe April 1, 2017

Effective April 1, 2017, or as contracts allow, Stepan Polska will increase prices for STEPANPOL Polyester Polyols (insulation applications) in Europe by €100 per metric ton. The increase is necessary due to rising raw material and production costs.

Company name: Stepan Company
Published On: Friday March 17th, 2017

Covestro continues MDI production in Tarragona

Materials manufacturer Covestro has resolved to continue manufacturing the rigid foam precursor MDI in Tarragona (Spain). The plant closure that had originally been planned for the end of 2017 has been suspended for the time being. The main reason for this decision was the significant increase in demand for MDI. Furthermore, Covestro has managed to...

Company name: Covestro
Published On: Friday March 17th, 2017

New distributor for Vencorex in Turkey.

We are glad to announce that we have appointed INTERPLAST MUHENDISLIK PLASTIKLERI from March, 1st, 2017 as Vencorex' distributor in Turkey for our Tolonate and Easaqua aliphatic polyisocyanates ranges."We are looking forward to duplicating the successful collaboration we have developed with Safic-Alcan in France with Interplast in Turkey. We...

Company name: Vencorex
Published On: Monday March 20th, 2017

RAMPF presents material and processing expertise at MECSPE 2017

The international RAMPF Group is presenting its innovative material and processing solutions for sealing, foaming, casting, engineering, and bonding at MECSPE 2017 from March 23 - 25 in Parma, Italy - including the brand new sealing system RAKU-PUR 31-3190 Basic.At MECSPE 2017, the leading trade fair for the Italian manufacturing industry, the...

Company name: RAMPF-Gruppe
Published On: Wednesday March 15th, 2017

ELAN-TECH , new product range

Euroresins Spain is pleased to announce the distribution agreement with the manufacturer of Epoxy systems and adhesives ELANTAS, for the Composite market. Elantas, belonging to the multinational group Altana, has a long tradition in the manufacture of this type of products, which started more than 30 years ago with the Camatini brand in Italy. The...

Company name: Euroresins
Published On: Monday March 20th, 2017

Sealing, gluing and potting diversity for the automobile industry

The Sonderhoff group of companies will present their products for the automotive industry in China at the 17th Shanghai International Automobile Industry Exhibition.The German company is the world's leading system supplier for foam sealing, gluing and potting solutions including the dispensing machines for precise material application on the...

Company name: Sonderhoff GmbH
Published On: Friday March 17th, 2017

Student recognized for environmentally friendly research

Charith Ranaweera, a graduate student in Pittsburg State University's polymer chemistry program, has recently been recognized for his research on flame resistant polyurethane foams that are based on limonene, an extract from waste orange peels.That orange peel you tossed in the trash after breakfast, this morning, could one day be part of the...

Company name: Pittsburg State University
Published On: Wednesday March 15th, 2017

Covestro presents innovative design concept for electric cars - Trendy automotive finish for an...

At the K 2016 plastics trade fair, Covestro presented an innovative concept for electric cars incorporating the latest trends in exterior design. The exhibit will be the highlight of the Covestro booth once again at the European Coatings Show from April 4-6 in Nuremberg, Germany. "The developments implemented in the concept go way beyond previous...

Company name: Covestro
Published On: Wednesday March 15th, 2017

Speed circuit for coating formulations shortens development time

With its new, fully automated plant for testing coating formulations, Evonik can accelerate the search for optimal formulations. The high-throughput plant enables the company to systematically test more formulations over the same period of time than before. For Evonik's customers, this means they can optimize and develop their coating formulations...

Company name: Evonik Tego Chemie GmbH
Published On: Thursday March 16th, 2017

European Coatings Show Announces Program

The European Coatings Show 2017, scheduled to take place April 4-6 in Nuremberg, Germany, will reportedly host more than 1,100 exhibitors, the highest number ever. Industry giants, specialist SMEs and experts from Germany and abroad will present their innovations for the manufacture of coatings and sealing compounds at the event.The show will...

Company name: European Coatings Show 2017
Published On: Friday March 17th, 2017

ArmorThane STS 200 polyurethane Works Well for a Wide Range of Classic Projects

STS 200 is especially good for spray-in bed liners and other parts of the vehicle including rocker panels, fenders, bumpers, undercarriage, floorboards and trim. In fact, dealers have sprayed entire trucks. Coatings protect all types of vehicles including trailers, RV roofs, commercial transport, emergency vehicles, construction equipment, and...

Company name: ArmorThane
Published On: Monday March 20th, 2017

Lubrizol and Bjorn Thorsen to Showcase TPU Solutions at Muovi Plastics Fair

The Lubrizol Corporations' Engineered Polymers business will be highlighting its latest thermoplastic polyurethane (TPU) solutions at Muovi & Pakkaus, Plastics & Packaging fair from April 20-21, held at the Lahti fair center in Finland. Leading Danish raw material distributor, Bjorn Thorsen A/S, based in Copenhagen, represents Lubrizol in the...

Company name: The Lubrizol Corporation
Published On: Wednesday March 15th, 2017

KraussMaffei and Dresden University of Technology collaborate on the development of new hybrid...

Hybrid processes and materials made of fibre-reinforced plastic (FRP) and metal for the automotive lightweight construction of tomorrow are the focus of the LEIKA research project, which KraussMaffei is advancing in collaboration with the Institute for Lightweight Engineering and Polymer Technology at Dresden University of Technology and other...

Company name: KraussMaffei Technologies GmbH
Published On: Thursday March 16th, 2017

DOPAG presents the metering system coredis on the worldwide largest composites trade fair JEC World

DOPAG presents it's metering systems for the production of composite components in aircraft interior equipment at the worldwide leading trade show for the composites industry - the JEC World 2017 in Paris. The metering system coredis exhibited on the fair fills sandwich panels with honeycomb core with materials of low density.Among other things,...

Company name: DOPAG
Published On: Wednesday March 15th, 2017

Romeo RIM Showcasing Technology, Processes for Sought-After Long Fiber Injection (LFI)

Award-winning Romeo RIM (, the world’s innovative leader in custom reaction injection molding and composite solutions, is sharing best practices in producing large fiber glass-reinforced polyurethane (PUR) products at various industry events in 2017.“The demand for stronger, stiffer, and lighter composite materials is increasing...

Company name: Romeo RIM
Published On: Monday March 20th, 2017

Argonics touts benefits of cast polyurethane parts

Although ship and boat building design engineers have traditionally specified parts made of rubber, plastic, or steel when durability is required, cast polyurethanes could be a good alternative, says manufacturer Argonics Inc.Cast polyurethanes, also broadly referred to as urethanes, are tough, elastic materials that combine many of the performance...

Company name: Argonics
Published On: Wednesday March 15th, 2017

Vitafoam Unveils New Vono Facility in Ogun State

Vono Furniture Products Limited, a subsidiary of Vitafoam Nigeria Plc, last week led top officials of the Ogun State Government on a tour of its factory at Dalemo, Sango-Ota.The entourage included the Commissioner for Commerce and Industry, Otunba Bimbo Ashiru; Commissioner for Health, Dr. Babatunde Ipaye and Special Adviser to Ogun State...

Company name: Vono Furniture Products
Published On: Monday March 20th, 2017

Customer diversity shapes Molded Dimensions' outlook

The list of industries served by Molded Dimensions Inc. is long, with nearly 60 listed on the company's website. Walk the floor in the company's Port Washington plants and the diversity of customers is clear. Around one corner, there are parts for a fire extinguisher; around another, there are turf care components. Look elsewhere, and there are...

Company name: Molded Dimensions
Published On: Monday March 20th, 2017

Chinaplas moves to new location in Shanghai

Adsale, the organiser of Asia’s biggest plastics and rubber show Chinaplas, has announced a change in location.Chinaplas 2018 in Shanghai will move to a new venue – the National Exhibition and Convention Center (NECC), located in the Hongqiao district. Adsale said that it ran out of space in the Shanghai New International Exhibition Center (SNIEC)....

Company name: Chinaplas
Published On: Monday March 20th, 2017

MNCs plan expansion of polyurethane business in India as demand picks up

Last month, Mitsui Chemicals & SKC Polyurethanes Co Ltd (MCNS) - a 50:50 joint venture of Japan's Mitsui Chemicals Inc and South Korea's SKC Co Ltd - announced its plan to invest $ 7.3 million (about Rs 49 crore) for setting up a polyurethane (PU) system house in Andhra Pradesh. Take another example of Dow Polyurethanes (PU) business, a part of the...

Company name: Mitsui Chemicals Polyurethanes Inc
Published On: Monday March 20th, 2017

AkzoNobel reviews strategic options to separate specialty chemicals business

AkzoNobel has revealed that it has reviewed strategic options for the separation of its speciality chemicals business.The company anticipates that separating its specialty chemicals business would allow the company to build and accelerate its market-leading positions across a range of market segments.The speciality chemicals business had revenues...

Company name: AkzoNobel
Published On: Tuesday March 14th, 2017

APF Headquarters, State-of-the-Art Manufacturing Facility are Fully Operational at New Phoenix...

50,000-square-foot manufacturing facility to serve as international hub for APF production, distribution, training and R&D as company continues expansion We hit one of our most pivotal m ilestones since concrete coating contractors Dean and Carol Owen founded Arizona Polymer Flooring in 1985. With pride and a deep sense of appreciation, we're...

Company name: Arizona Polymer Flooring
Published On: Tuesday March 14th, 2017

ISO-13485 certification for Teknor Apex' Singapore plant

Teknor Apex has expanded its supply capabilities for Medalist compounds in Asia by achieving ISO-13485 certification for its TPE production facility in Singapore.The company said that it previously achieved ISO-13485 certification for Medalist facilities in the USA and will now produce these medical TPEs in Singapore as well. ISO-13485...

Company name: Teknor Apex
Published On: Wednesday March 15th, 2017

Nordson appoints Rade Petricevic as Aftermarket Manager in the Pacific Rim for Polymer Processing...

Rade Petricevic has joined Nordson Corporation as aftermarket manager in the Pacific Rim for the company's Polymer Processing System (PPS) products. He will oversee technical support, remanufacturing, spare parts, and other after-the-sale services for PPS brands, including BKG pelletizers, melt filtration systems, and gear pumps, Extrusion Dies...

Company name: Nordson
Published On: Monday March 20th, 2017

Prime Resins: Industry leader tapped as GM/VP

Peter Battisti is the new general manager and VP of business development for Prime Resins Inc.Battisti oversees day-to-day operations of Prime Resins and is focused on accelerating the company's steady year-over-year growth."We are extremely fortunate to have Peter join us at this particular time," said Prime Resins' founder and president, Dave...

Company name: Prime Resins
Published On: Monday March 20th, 2017

SAIP interviews Alberto Fangareggi, R&D and TS&D Director in Dow Polyurethanes

Alberto Fangareggi is R&D and TS&D Director in Dow Polyurethanes with authority in Europe, Middle East, Africa and India. He has been working for Dow in the Polyurethane Sector since many years, mainly in R&D and TS&D roles, but also in Marketing. For a few years he was R&D Manager for Polyethylene Terephthalate (PET). Now he works at the...

Company name: SAIP Advanced Polyurethane Equipment
Published On: Friday March 17th, 2017

Mikael Fryklund appointed new President and CEO for HEXPOL AB

The Board of Directors of HEXPOL AB (publ.) has appointed Mikael Fryklund to President and CEO of HEXPOL AB (publ.). The Nomination Committee of HEXPOL AB (publ.) will, as earlier announced, propose Georg Brunstam, present President and CEO of HEXPOL AB, to become new Chairman of the Board in HEXPOL AB to the Annual General Meeting on April 28,...

Company name: Hexpol
Published On: Friday March 17th, 2017

New appointments in the TPE Division of Teknor Apex

The TPE Division of Teknor Apex has announced two new appointments in December 2016. Elizabeth Ponte has been promoted as senior marketing manager for TPEs in the Americas, Europe, Middle East, and Africa.She is responsible for integrating and coordinating the marketing activities of the TPE Division in these regions, including the TPE business of...

Company name: Teknor Apex
Published On: Wednesday March 15th, 2017

ACC calls for US EPA to withdraw two proposed Snurs

The American Chemistry Council (ACC) has called on the US EPA to withdraw two proposed significant new use rules (Snurs) for certain chemical substances derived from the use of isocyanates as monomers.The Snurs are for:■ diisocyanato hexane, homopolymer, alkanoic acid polyalkylene glycol ether with substituted alkane (3:1) reaction...

Company name: The American Chemistry Council
Published On: Friday March 17th, 2017

Method of making hydroxymethylphosphonate, polyurethane foam-forming compositions, polyurethane foam...

There is provided herein a method of making hydroxymethylphosphonate comprising reacting paraformaldehyde, at least one dialkyl phosphite and at least one trialkyl phosphite, in the presence of at least one amine catalyst.

Company name: ICL-IP America
Published On: Friday March 17th, 2017

Zinc(ii) complex compounds as catalysts for polyurethane compositions

The present invention relates to zinc(II) complex compounds of the formula Zn(L).sub.x(Y).sub.2-x, wherein the ligand L has the formula (I). Such complex compounds are particularly suitable as catalysts for two-component polyurethane compositions. The invention also relates to two-component polyurethane compositions including at least one...

Company name: Sika Technology AG
Published On: Friday March 17th, 2017

Method for producing polycarbonate diol, polycarbonate diol and polyurethane using same

The present invention relates to a method for producing a polycarbonate diol, comprising subjecting a compound represented by the following formula (A) containing from 0.01 to 1.0 wt % of an aldehyde derivative, a compound represented by the following formula (B), and a carbonate compound to polycondensation by a transesterification reaction in the...

Company name: Mitsubishi Chemical
Published On: Friday March 17th, 2017

Polyol, adhesive, resin, and tackifier--thixotropic additive

A renewable chemical composition is disclosed for use in a variety of industrial applications. The renewable chemical composition may be reacted with an isocyanate to produce a urethane material. The renewable chemical composition has aromatic groups. The suitability of this material for use in a variety of applications can be adjusted by modifying...

Company name:
Published On: Friday March 17th, 2017

Method for producing isocyanates

The invention relates to a method for preparing isocyanates by phosgenating the corresponding amines, wherein low-boiling secondary components, excess phosgene, and the co-product hydrogen chloride are separated from the crude liquid isocyanate stream, which is obtained after the phosgenation has occurred, within a maximum of 60 minutes, and...

Company name: Covestro
Published On: Friday March 17th, 2017

Low-solvent polyacrylate copolymer dispersions

The present invention relates to an aqueous secondary copolymer dispersion comprising a copolymer (P) synthesized from a mixture of free-radically polymerizable monomers (M) comprising (M1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (M2) vinyl esters of aliphatic carboxylic acids; (M3) hydroxy-functional, free-radically...

Company name: Covestro
Published On: Friday March 17th, 2017

Aqueous cationic polyurethane dispersions

An aqueous cationic polyurethane dispersion for waterborne digital print and other applications comprising an aqueous dispersion of polyurethane having properly positioned tertiary amino groups, e.g., tethered tertiary amino group separated from backbone by at least two intervening atoms or terminal tertiary amino groups with multiple tertiary...

Company name: Lubrizol Advanced Materials, Inc
Published On: Friday March 17th, 2017

Multiphase polyurethane composition having reduced foam development

The present invention relates to a two-component polyurethane composition composed of at least one polyol, at least one polyisocyanate, and at least one emulsifier which is not homogeneously miscible with the at least one polyol. The present invention further relates to the use of this polyurethane composition as a binder for producing fiber...

Company name: Henkel
Published On: Friday March 17th, 2017

Biodegradable polymers with pendant functional groups attached through amide bonds

Amide compounds are defined and are polymerized to create polyesters and polyurethanes having amide units bearing a pendant functional group, where the nitrogen atom of the amide group is part of the polymer backbone. The pendant functional group of the functionalized amide polymer may be modified or added by post polymerization functionalization...

Company name: The University of Akron
Published On: Friday March 17th, 2017

Inherent flame retardant rigid polyurethane foam

The present invention provides a kind of inherent flame retardant rigid polyurethane foam. The production formula comprises 100 to 105 pbw of polyether polyol and reactive phosphorus-containing flame retardant, 2.5 to 3.5 pbw of amine catalyst, 0.8 to 2.5 pbw of tertiary amine catalyst, 0.8 to 2.5 pbw of foam stabilizer, 0.5 to 1.5 pbw of blowing...

Company name: Xiamen University
Published On: Friday March 17th, 2017

Polyurethane spraying system used to minimize emissions of a polyisocyanate

A polyurethane spraying system minimizes emissions of a polyisocyanate while spraying a mixture of a polyisocyanate and a resin composition onto a surface. The system includes a first reactant supply tank including the resin composition. The system also includes a second reactant supply tank including the polyisocyanate. The system further includes...

Company name: BASF SE
Published On: Friday March 17th, 2017

Adhesive composition for polarizing plate and polarizing plate prepared using the same

An adhesive composition and a polarizing plate, the adhesive composition including an isocyanate curing agent and having a creeping distance decrease rate of 10% or less, wherein the creeping distance decrease rate is calculated by Equation 1: Creeping distance decrease rate (%)=|(A-B)/A|.times.100, [Equation 1] wherein, in Equation 1, A and B are...

Company name: Cheil Industries
Published On: Friday March 17th, 2017

Paint protection films

There is provided a transparent paint protection film comprising an acrylic adhesive layer, wherein the acrylic adhesive layer comprises a first cross-linking agent comprising a metal ion and a second cross-linking agent; and a base layer disposed therebetween, wherein the base layer is selected from at least one of polyurethane, polyvinylchloride,...

Company name: 3M Innovative Properties Company
Published On: Monday March 20th, 2017

Foamed thermoplastic polyurethane and microwave molded article thereof

A foamable composition for preparing foamed thermoplastic polyurethane, and microwave molded articles thereof are provided. The foamable composition comprises non-foamed thermoplastic polyurethane particles and a foaming agent, wherein the non-foamed thermoplastic polyurethane particles have a viscosity between 10,000 poise and 40,000 poise...

Company name: Sunko Ink
Published On: Friday March 17th, 2017

Homogenous film compositions

A homogenous film formed from a cross-linked poly(acrylic) acid and a thermoplastic polyurethane composition is disclosed. The film exhibits fluid absorption properties and good mechanical properties. The films provide useful materials for medical and pharmaceutical applications.

Company name: Lubrizol Advanced Materials, Inc
Published On: Friday March 17th, 2017

Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols...

The invention relates to a method for producing a thermoplastic polyurethane elastomer, comprising the reaction of at least A) one organic diisocyanate containing two isocyanate groups with B) a polyol having a number-average molecular weight Mn>=500 and =60 and =0.9:1 and

Company name: Covestro
Published On: Friday March 17th, 2017

Thermoplastic polyurethane and a composition thereof

The present invention provides a thermoplastic polyurethane obtained by reacting organic diisocyanate (A), polymer polyol (B) having a number average molecular weight (Mn) of 1000-5000 and chain extender (C), wherein the chain extender (C) contains a straight chain diol (c-1) and a side chain alkyl group-containing diol (c-2), a molar ratio of the...

Company name: Kuraray
Published On: Friday March 17th, 2017

Polyurethane composite elements and processes for producing the same

A polyurethane composite element has one or more gaps containing a polyurethane foam. The polyurethane foam has a density of 16-40 kg/m.sup.3 and a closed cell proportion of 50-90% determined according to ASTM D6226-2010 Standard Test Method. The polyurethane foam is formed by applying a polyurethane composition into the gaps in situ. A process for...

Company name: Covestro
Published On: Monday March 20th, 2017

Method and composition for filling elongated channels 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 fill hollow cavities (particularly window lineals) and which have lowered exotherms, which prevent deformation of the hollow cavity (e.g., window lineal) and additional achieve...

Company name: ICP Adhesives & Sealants
Published On: Friday March 17th, 2017

Cushioning support device and method of making the same

A cushioning support device and a method for making the same are disclosed. The device comprises a first polyurethane foam having a non-slip sheet attached on a surface of the first foam, a second polyurethane foam having a resting sheet attached on a surface of the second foam, and a compound pressure-redistributing body. The first and second...

Company name: Forsound
Published On: Friday March 17th, 2017

Polishing pad and method for producing same

The purpose of the present invention is to provide: a polishing pad having a high polishing rate and excellent planarizing properties; and a method for producing the polishing pad. A polishing pad which has a polishing layer comprising a polyurethane resin foam, said polishing pad being characterized in that a polyurethane resin, which is a...

Company name: Rohm and Haas Electronic Materials
Published On: Monday March 20th, 2017

Block foam method of accomplishing ignition mitigation in aircraft fuel tanks

A process method utilizing customized, specifically-shaped pieces of reticulated polyurethane foam (RPF) to fill an aircraft fuel tank or tank compartment to provide ignition mitigation and prevent explosion in the tank. The process involves inserting the shaped pieces of RPF through existing access ports into a fuel tank in order to fill the tank,...

Company name:
Published On: Friday March 17th, 2017

Resin composition for golf balls

A golf ball resin composition includes (A) (I) an olefin-C.sub.3-8 .alpha.,.beta.-unsaturated carboxylic acid copolymer or a metal neutralization product thereof and/or (II) an olefin-C.sub.3-8 .alpha.,.beta.-unsaturated carboxylic acid-C.sub.3-8 .alpha.,.beta.-unsaturated carboxylic acid ester terpolymer or a metal neutralization product thereof;...

Company name: Bridgestone Sports
Published On: Friday March 17th, 2017

Isocyanurate composition

The isocyanate composition consists essentially of an isocyanurate derivative of 1,3-xylylenediisocyanate, the isocyanurate derivative is modified with aliphatic alcohol, and the modification amount of the aliphatic alcohol is 0.5 mass % or more and 15 mass % or less.

Company name: Mitsui Chemicals
Published On: Friday March 17th, 2017

Compositions comprising alkoxysilane-containing isocyanates and acid stabilisers

The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiR.sup.1R.sup.2R.sup.3 (I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein R.sup.1 is...

Company name: Evonik Degussa GmbH
Published On: Friday March 17th, 2017

Multifunctional porous aramids (aerogels), fabrication thereof, and catalytic compositions derived...

The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and may be derived from functionalized...

Company name: The Curators of the University of Missouri
Published On: Friday March 17th, 2017

Karanja Oil Polyol and Rigid Polyurethane Biofoams for Thermal Insulation

Rigid polyurethane biofoams were prepared from karanja polyol which was derived by ring-opening reaction of epoxidized karanja oil. The polyol, which had a hydroxyl value of 186 mg KOH/g, was thoroughly characterized and the structure confirmed by spectral techniques. The foam formulations were developed to achieve shrinkage-free foams with water...

Company name: CSIR-Central Building Research Institute
Published On: Monday March 20th, 2017

Hybrid silicas/waterborne polyurethane composite properties: In situ formation vs. grafting methods

A series of composites of commercial waterborne polyurethane and hybrid silica were prepared by the sol-gel process through in situ synthesis. Mechanical properties, small angle X-ray scattering and differential scanning calorimetry measurements were performed to evaluate the effects that hybrid silica has on the properties of the resulting...

Company name: Universidade Federal do Rio Grande do Sul
Published On: Monday March 20th, 2017

Mechanical and Thermal Properties of Polyurethane Nanocomposites: Influence of Bentonite Nanoclay

Polyurethanes (PUs) and polyurethane nanocomposites (PUNC) with bentonite nanoclay were prepared by the reaction of toluene-2,4-diisocyanate (TDI) and isophorone diisocyanate (IPDI) with two different polymers: hydroxyl terminated polybutadiene (HTPB) and polytetramethylene ether glycol (PTMEG), and the chains were further extended with...

Company name:
Published On: Monday March 20th, 2017

Thermal and mechanical properties of polyurethanes modified with L-ascorbic acid

In this study we report the thermal and mechanical properties of polyurethanes modified with ascorbic acid (AA). Ascorbic acid was used as a modifier at concentration of 1 or 2 mass%. The antioxidative properties of AA may improve the biocompatibility of the obtained materials, which were designed for biomedical applications. In this paper we...

Company name: Gdansk University of Technology
Published On: Monday March 20th, 2017


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