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    PU2PU
  Issue-552 - April 27, 2015   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES
Air Products to Introduce New Range of Superwetters and New Defoamer at European Coatings Show

Air Products' Additives team will introduce its new developments at the European Coatings Show (ECS) 2015 in Nuremberg, Germany, from April 21-23. Featured products showcased at stand #4-339 will include the company's innovative Dynol™ 960 and Dynol™ 980 superwetting surfactants, and Airase 4500 defoamer for indirect food contact compliance. Air...

Company name: Air Products and Chemicals, Inc
Published On: Tuesday April 21st, 2015

 
PU RAW MATERIALS>> ADDITIVES>> WETTING
TEGO Dispers 672 - Superior dispersant for solventborne high-end applications

TEGO Dispers 672 is a wetting and dispersing additive for high quality pigment concentrates, car repair coatings, plastic coatings and industrial coatings. It provides superior color strength and transparency in pigment concentrates and coatings with both organic and carbon black pigments. In addition, TEGO Dispers 672 works well with many...

Company name: Evonik Tego Chemie
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> BLOWING AGENTS
Immediate price increase of 15% on the whole range of Forane HFC grades in Europe

Over the last few years, the European HFC business has been heavily affected by a continuous price decrease trend which has led to an unsustainable level of profitability for the whole value chain. The Chemical Industry has a compulsory need to restore profitability in order to keep investing in the development of lower GWP alternatives which must...

Company name: Arkema Fluorochemicals
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES
Repi at UTECH EUROPE: incredible affluence at the leading event for the polyurethanes industry

A particularly positive mood and an incredible affluence is what REPI's team experienced during the international trade show for the polyurethanes industry.The three very busy days at Repi's booth showed an increasing interest for high performance liquid colours and specialty additives by the high demanding customers in the polyurethane field.Repi...

Company name: REPI SpA
Published On: Wednesday April 22nd, 2015

 
PU RAW MATERIALS>> ISOCYANATES>> ALIPHATIC
Innovative adhesive raw material for high-performance packaging: Desmodur quix 175 enables greater...

Flexible packaging is becoming increasingly popular, both for protecting sensitive food and medicines and adding the required brand messages. This development is being supported by social trends, with consumers wanting to see lightweight products whose packaging is easy to open and close again. Prepared foods are another area where their...

Company name: Bayer MaterialScience
Published On: Friday April 24th, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION
RAMPF: Material and Machine for Dynamic Sealing, Casting, and Bonding

The international RAMPF Group will be presenting its innovative engineering and chemical solutions for dynamic sealing, casting, and bonding at Chinaplas 2015 in Shanghai from May 20th to 23rd. The dispensing robot DR-CNC from RAMPF PRODUCTION SYSTEMS and the fast-curing two-component polyurethane gasket RAKU-PUR Speed from RAMPF POLYMER SOLUTIONS...

Company name: RAMPF-Gruppe
Published On: Tuesday April 21st, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> RAY-CURABLE/PHOTOSENSITIVE
Durable, Cure-on-Demand Maskant Reduces Processing Time

Dymax Corporation has introduced SpeedMask 750-SC, a UV/Visible light-curable masking resin featuring both temperature and chemical resistance. It's formulated to provide excellent surface protection during aggressive chemical exposures and thermal processes such as sulfuric acid exposure, plasma spray, some HVOF processes, and aggressive grit...

Company name: Dymax
Published On: Wednesday April 22nd, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
SILIKOTOP E 900 and SILIKOTOP E 901 - New specialty binders for high solids contents in corrosion...

SILIKOTOP E 900 and SILIKOTOP E 901 are isocyanate-cured silicone hybrid resins designed for top coat application in high solids and high performance protective coatings ranging from marine to trucks & public transport. Beside excellent corrosion protection properties as well as weather, chemical and mechanical resistances, both products offer...

Company name: Evonik Tego Chemie
Published On: Thursday April 23rd, 2015

 
FOAMS>> FLEXIBLE>> MICROCELLULAR
Microcellular Polyurethane Foam meets dynamic design needs

Rogers Corporation continuously innovates and expands offerings of PORON microcellular polyurethane foams to meet customers' dynamic design needs. The newest addition to the Rogers line of high-performance foam products, the AquaPro™ family provides enhanced water sealing solutions from "soft" (41) to "very soft" (37). The versatile range of...

Company name: Rogers Corporation
Published On: Tuesday April 21st, 2015

 
CASE>> COATINGS
Michelman Conducting Five Product Presentations at European Coatings Show 2015

Michelman, a global developer and manufacturer of water-based coatings, surface additives and polymers will be conducting five product presentations at the European Coatings Show 2015, being held from April 21-23, 2015 in Nuremberg, Germany. Michelman's presentations are entitled "Furniture Lacquers - Water-Based Meets Wood", "Modern Vinyl Acetate...

Company name: Michelman
Published On: Tuesday April 21st, 2015

 
Evonik at the 2015 European Coatings Show: Bundling expertise, intensive networking, greater...

One Partner. Many Experts is the theme of the Evonik Industries' stand at this year's European Coatings Show. In hall 7A, stand 323, the specialty chemicals company will be presenting innovative products and a comprehensive overview of its competencies for the coatings and adhesives industry. At the same time, "One Partner. Many Experts" also...

Company name: Evonik Industries
Published On: Wednesday April 22nd, 2015

 
Bayer MaterialScience at the European Coatings Show 2015: Inventing for you

"Inventing for you" - the Coatings, Adhesives, Specialties Business Unit of Bayer MaterialScience is putting the spirit of invention and innovation at the very heart of its global activities. This new strategy is also reflected in the company's participation in the European Coatings Show 2015, the world's largest trade fair for the coatings and...

Company name: Bayer MaterialScience
Published On: Wednesday April 22nd, 2015

 
Nuplex launches new technology for the coatings industry

New, innovative coating technology, Acure, introduced by global, specialist chemical company, founded in New ZealandYesterday, Nuplex unveiled the world's latest technological breakthrough in coatings, Acure, an innovative technology that will significantly benefit manufacturers around the world.Manufacturers traditionally need to balance the dry...

Company name: Nuplex Resins
Published On: Wednesday April 22nd, 2015

 
Bayer MaterialScience optimizes polyurethane systems for automotive clearcoats: Fast curing,...

Bayer MaterialScience has developed a unique technology called BLULOGIQ for coating plastic parts on automobiles at low temperatures. Bumpers, mirror housings, spoilers, tailgates and roof modules are finished with their outer clearcoat at energy- and cost-efficient temperatures below 100 DEGC. Although curing is as much as 30 percent faster than...

Company name: Bayer MaterialScience
Published On: Friday April 24th, 2015

 
CASE>> COATINGS>> FLOORING
Introducing Vulkem EWS with PUMA Technology

Tremco is pleased to announce that Vulkem Extreme Wearing System (EWS) with PUMA Technology is available for purchase. Vulkem EWS, a high performance, waterproof traffic deck coating system, has been added to the Vulkem line of vehicular, pedestrian, and specialty coatings.Vulkem EWS is a waterproofing traffic deck coating that utilizes...

Company name: Tremco Commercial Sealants
Published On: Wednesday April 22nd, 2015

 
CASE>> COATINGS>> SPRAY FOAMS
Spray Polyurethane Foam Alliance Announces Model Health & Safety Program

The Spray Polyurethane Foam Alliance (SPFA), the educational and technical resource to the spray polyurethane foam (SPF) industry, announced a new Health & Safety Program offering. Designed specifically for spray polyurethane foam contractor companies, the comprehensive program provides a benchmark guide to ensure the health and well being of all...

Company name: Spray Polyurethane Foam Alliance
Published On: Wednesday April 22nd, 2015

 
The correct type of polyurethane spray foam can be used as a vapor barrier

The Ask a Builder series is dedicated to answering some of the many questions Fairbanks residents have about building, energy and the many other parts of home life.Can I use spray foam as a vapor barrier in a wall in Fairbanks?The short answer is yes, as long as you have the right type of polyurethane spray foam and any approval that may be...

Company name: Cold Climate Housing Research Center
Published On: Thursday April 23rd, 2015

 
CASE>> COATINGS>> POLYASPARTIC COATINGS
Cost-effective and flexible coating with polyaspartic coatings

Polyaspartic coatings are ideal for particularly cost-effective coating of a range of different substrates. In contrast to conventional systems, this technology often requires fewer coating layers and curing takes place quickly. Bayer MaterialScience has now opened the door to other promising possibilities. The company will be unveiling PASQUICK,...

Company name: Bayer MaterialScience
Published On: Thursday April 23rd, 2015

 
CASE>> COATINGS>> INTUMESCENT COATING
IAPMO's Uniform Evaluation Service Issues ER‐0305 to No‐Burn, Inc.

No-Burn , Inc. announces the issuance of their new evaluation report. The evaluation report is a product of a partnership between IAPMO Uniform Evaluation Services (UES) and No-Burn , Inc. No-Burn , Inc. as a premier manufacturer of intumescent and fire retardant coatings, is widely respected and relied upon for coatings solutions and technical...

Company name: No Burn
Published On: Tuesday April 21st, 2015

 
CASE>> ADHESIVES
WACKER Presents Silane-Terminated Polymers for High-Performance Adhesives and a Dispersion for...

At the European Coatings Show 2015, held in Nuremberg, Germany, from April 21 to 23, Munich-based chemical group WACKER will be unveiling novel, silane-terminated polymers for the formulation of industrial adhesives and for sealing flat surfaces. Known as GENIOSIL XT, the new binder makes it possible to produce materials that are extremely...

Company name: Wacker Chemie AG
Published On: Wednesday April 22nd, 2015

 
CASE>> ADHESIVES>> BINDERS
WACKER Presents New Binders and Silicones for Paints, Surface Coatings, Construction Applications...

From April 21 through 23, 2015, the Munich-based WACKER Group will be at the European Coatings Show (ECS) in Nuremberg, Germany, to introduce numerous innovations for paints and coatings, and for the construction and adhesives industries. The products will range from a novel silicone resin emulsion for water-repellent wood impregnation systems to a...

Company name: Wacker Chemie AG
Published On: Wednesday April 22nd, 2015

 
CASE>> ELASTOMERS>> RUBBERS
RB Rubber, an Accella company, announces a new name to reflect its combined capability

Accella's suite of recycled rubber companies (RB Rubber, RTH, and Ultimate Systems) recently announced a new name; Ultimate RB. Ultimate RB is a unique combination of 30 years manufacturing experience in recycled tire, rubber crumb, EPDM custom colored crumb, and industry leading matting, rubber tiles and rolled goods."We've integrated industry...

Company name: Accella Performance Materials
Published On: Wednesday April 22nd, 2015

 
PROCESSING EQUIPMENTS - PRODUCTION
Successful participation of OSV Technologiya company at UTECH Europe 2015

Last week in Maastricht (the Netherlands) there finished its work the International specialized exhibition of polyurethane industry UTECH Europe 2015 that took place on April 14 - 16 at the exhibition center MECC Maastricht.At the exhibition our company presented OSV latest development - three-component mixing and casting machine of M series. And...

Company name: OSV Technologiya
Published On: Wednesday April 22nd, 2015

 
SAIP Open Week

on the occasion of the forthcoming exhibition PLAST 2015, where SAIP EQUIPMENT will be present hosted by its partner AMUT SPA , factory's doors, will be opened to show SAIP recent technological solutions.Walking inside the factory you will get the chance to realize all working steps from the mechanical and electrical designing phases to the...

Company name: SAIP Srl
Published On: Thursday April 23rd, 2015

 
FINISHED PRODUCTS>> CONSTRUCTING
BPI Introduces New Website for Consumers

The Building Performance Institute, Inc. (BPI) is proud to introduce www.bpi.org for consumers, a new interactive website designed to educate homeowners on the value of home performance energy upgrades and the quality of contractors who have earned the BPI GoldStar credential.As a national non-profit organization, BPI has long worked behind the...

Company name: The Building Performance Institute
Published On: Wednesday April 22nd, 2015

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SOUND INSULATION
TMAT Invests In New R&D Lab

Blachford Acoustics Group has agreed to invest in a world-leading Centre of Excellence for polyurethane development that will allow TMAT to create "the next evolution of acoustic products and solutions."The investment in the lab would strictly be for the purposes of R&D and the invention of new acoustic materials and components.The move is designed...

Company name: TMAT
Published On: Wednesday April 22nd, 2015

 
FINISHED PRODUCTS>> COATED FABRICS>> TEXTILES
Launch of the first bio-based polyurethanes for textile coating

Bayer MaterialScience is introducing a range of waterborne, bio-based polyurethane (PU) dispersions under the Impranil eco name. With a renewable content that reaches as high as 65 percent, this product class contributes to a further reduction of CO2 emissions, thus further improving the sustainability of waterborne PU. The company is presenting...

Company name: Bayer MaterialScience
Published On: Friday April 24th, 2015

 
INDUSTRY UPDATE
China PU Industry Focuses on Integration, Eco-friendly, Innovation in the Future

China PU product consumption grew by about 10% in 2014 to register at 9,600 kt compared with 8,700 kt in 2013 (both including solvent), outperforming GDP growth, as data showed from China Polyurethane Industry Association (CPUIA). The association estimated PU consumption in China will have grown to 13,000 kt by 2018 with compound annual growth rate...

Company name: The China Polyurethane Industry Association
Published On: Friday April 24th, 2015

 
Michelman Celebrates Grand Opening of Michelman India

On April 28, 2015, Michelman India will celebrate the grand opening of its new Business and Technology Centre in Mumbia, India. As a result of its recent acquisition of long-time sales and service partner, Supack International P/L, Michelman India now offers a business center, laboratory, and an experienced team of sales, technical service and...

Company name: Michelman
Published On: Friday April 24th, 2015

 
Lubrizol To Expand Painesville Township Plant

The Lubrizol Corporation announces a five-year expansion project at the company's Painesville Township, Ohio facility which will increase capacity and improve site infrastructure. The expansion, which is estimated to be complete by 2020, will support changing customer needs as well as position the Painesville Township manufacturing facility to be...

Company name: The Lubrizol Corporation
Published On: Thursday April 23rd, 2015

 
Polyflex Products of Farmington Hills opens operations in Germany

PolyFlex Products of Farmington Hills has announced the establishment of PolyFlex Products UG in Dusseldorf Germany. The new firm will provide sales, engineering, technical support and manufacturing capabilities for customers in Germany, the European Union and those U.S. companies with German affiliations.PolyFlex Products serves manufacturers...

Company name: PolyFlex Products
Published On: Wednesday April 22nd, 2015

 
Former Smith & Nephew site to become 'showcase in Europe'

The new owners of a former Smith & Nephew factory have promised to make it their springboard for conquering markets across Europe.DelStar Technologies bought the Gilberdyke facility in November for an undisclosed sum, leading to concerns for the future of its 91-strong workforce.But the Mail understands redundancy numbers were kept to single...

Company name: Smith & Nephew
Published On: Wednesday April 22nd, 2015

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> ANTIBACTERIALS & BIOCIDES
Antimicrobial colloidal silver products and method of making same

Gelatinous materials combined with the Colloidal Silver additive to formulate an antimicrobial product having cushioning properties. Embodiments of the present invention can include gelatinous materials selected from a group consisting of thermosetting polymer, Styrene-Ethylene-Butadiene-Styrene polymer (SEBS), Thermoplastic Elastomer (TPE), and...

Company name: Eco Product Group
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Polyester polyols and methods of making and using the same

Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, the polyurethane block copolymers can be used as compatibilizing agents, which can be used, for example, in polymer...

Company name: Elevance Renewable Sciences
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> ISOCYANATES
Polyisocyanate adducts as additives for radiation-curable coating material compositions

The invention relates to polyisocyanate adducts obtainable by reacting at least one polysiloxane of the structure (I), at least one polyisocyanate having at least three NCO groups, at least one (meth)acrylate of the structure (II), where U is one of the following groups: (III), and optionally a compound reactive with isocyanates. The indices m, n,...

Company name: BYK-Chemie
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Curable compositions for three-dimensional printing

Curable, phase-change compositions and inks used for printing three-dimensional objects including a curable monomer, a photoinitiator, a wax and a gellant, where the composition of the cured formulation has a room temperature modulus of from about 0.01 to about 5 Gpa. The curable monomer includes acrylic monomer, polybutadiene adducted with maleic...

Company name: Xerox
Published On: Tuesday April 21st, 2015

 
Ink, ink cartridge, and image-recording method

Provided is an ink containing a self-dispersible pigment, a polyurethane polymer particle, a surfactant, a water-soluble organic solvent, and water. The surfactant includes a fluorinated surfactant represented by Formula (1) and having an HLB value determined by a Griffin method of 11 or less. The water-soluble organic solvent includes at least one...

Company name: Canon Kabushiki Kaisha
Published On: Thursday April 23rd, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Silane-containing binder for composite materials

The present invention relates to a binder for composite materials comprising cellulose- or lignocellulose-containing materials, which is based on the components (i) at least one binder from the series consisting of organic resins, isocyanates, natural or near-natural binders and (ii) at least one composition based on an aminoalkylsilane. The...

Company name: Evonik Degussa GmbH
Published On: Tuesday April 21st, 2015

 
PU RAW MATERIALS>> RESIN COMPOSITION>> ADHESIVES
Decorative sheet containing a polyurethane layer and structure

In a decorative sheet including a surface layer and an adhesion layer, the surface layer is a polyurethane layer obtained by crosslinking using a curing agent and coating and drying of a straight chain polyurethane resin having a specified molecular weight and acid value, the polyurethane resin being obtained by reaction of a diamine chain extender...

Company name: 3M Innovative Properties Company
Published On: Thursday April 23rd, 2015

 
SYSTEMS>> BIOMATERIALS
Amino acid derivatives and absorbable polymers therefrom

The present invention relates to the discovery of new class of hydrolysable amino acid derivatives and absorbable polyester amides, polyamides, polyepoxides, polyureas and polyurethanes prepared therefrom. The resultant absorbable polymers are useful for drug delivery, tissue engineering, tissue adhesives, adhesion prevention, bone wax...

Company name: Bezwada Biomedical
Published On: Tuesday April 21st, 2015

 
FOAMS
Polyurethane foam article and method of forming same

A polyurethane foam article comprises a first lift, a second lift, and a pass-line therebetween. The polyurethane foam article comprises the reaction product of an isocyanate-reactive resin composition, an isocyanate, and an indicator dye in the presence of a blowing agent. The indicator dye imparts a color in the first and second lifts and at the...

Company name: BASF SE
Published On: Tuesday April 21st, 2015

 
CASE>> COATINGS
Hard coat coating composition for metal base material and molded product

A hard coat coating composition for a metal base material, includes a coated film forming component including a urethane(meth)acrylate (A) having a carboxyl group and having a solid fraction acid value being value of 0.5 to 2.0 mgKOH/g, a urethane(meth)acrylate (B) not having a carboxyl group, a thermoplastic resin (C) having a carboxyl group and...

Company name: Fujikura Kasei
Published On: Tuesday April 21st, 2015

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Processes for coating substrates and substrates formed therefrom

Processes for coating substrates and the related substrates are disclosed herein. A one-component base coating composition is applied onto a substrate and a one-component top coating composition is applied wet-on-wet onto the applied base coating composition. The coating compositions are based on aqueous acrylate/polyurethane dispersions. The top...

Company name: Bayer MaterialScience
Published On: Tuesday April 21st, 2015

 
CASE>> ADHESIVES
Hot curing or heat-activated composition containing a surface-deactivated polyisocyanate

The present invention relates to curable compositions comprising at least one specific blocked amine, at least one surface-deactivated polyisocyanate that is solid at ambient temperature and optionally water or a water-producing substance. Compositions of this type are characterized by an extremely high storage stability as long as they are not...

Company name: Sika Technology AG
Published On: Tuesday April 21st, 2015

 
CASE>> SEALANTS
Sealant compositions with a polyurethane dispersion and a hydroxy-functional compound

Disclosed are compositions that include (a) an aqueous polyurethane dispersion prepared from an isocyanate-terminated prepolymer; and (b) a hydroxyl-functional compound having an average hydroxyl equivalent weight of greater than 40 gram/equivalent to less than 500 gram/equivalent. Also disclosed are methods of using the compositions as, for...

Company name: Bayer MaterialScience LLC
Published On: Thursday April 23rd, 2015

 
CASE>> ELASTOMERS>> TPU
Electrostatic dissipative TPU and compositions thereof

The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one...

Company name: Lubrizol Advanced Materials, Inc
Published On: Tuesday April 21st, 2015

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> POLISHING PAD
Polishing pad and manufacturing method therefor

Provided are a polishing pad which remedies the problem of scratches occurring when a conventional hard (dry) polishing pad is used, which is excellent in polishing rate and polishing uniformity, and which can be used for not only primary polishing but also finish polishing, and a manufacturing method therefor. The polishing pad is a polishing pad...

Company name: Fujibo Holdings
Published On: Tuesday April 21st, 2015

 
FINISHED PRODUCTS>> PRINTING>> DEVELOPING ROLLER
Developing roller, developing apparatus, and image-forming device

Provided are a developing roller having an elastic layer formed on an outer circumferential face of a shaft and a coating layer formed on an outer circumferential face of the elastic layer, wherein the coating layer is composed of first coating layers that are formed at respective edges across the elastic layer, and a second coating layer formed...

Company name: Shin-Etsu Polymer
Published On: Tuesday April 21st, 2015

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball

Golf ball 2 has spherical core 4, cover 6 situated on the external side of the core 4, and paint layer 8 situated on the external side of the cover 6. The cover 6 has a Shore D hardness of no greater than 61. The paint layer 8 has a Martens hardness of no greater than 2.0 mgf/.mu.m.sup.2. The base polymer of the paint layer 8 is a polyurethane...

Company name: SRI Sports
Published On: Tuesday April 21st, 2015

 
Golf balls having foam center containing clay particulate

Multi-piece golf balls having a solid core made of a foamed composition and a cover are provided. Preferably, the core is dual-layered having has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer. Preferably, a polyurethane foam composition containing mineral filler particulate, for example, nanoclay particles,...

Company name: Acushnet Company
Published On: Thursday April 23rd, 2015

 
Three-cover-layer golf ball comprising intermediate layer including a plasticized polyester...

A golf ball includes a core and a three-layer cover disposed adjacent the core. The three-layer cover includes an inner cover, an intermediate cover, and an outer cover. The inner cover includes a non-ionomeric E/Y copolymer where E is an olefin and Y is a carboxylic acid. The inner cover has a hardness of about 45 to 68 Shore D. The outer cover...

Company name: Acushnet Company
Published On: Thursday April 23rd, 2015

 
FINISHED PRODUCTS>> INDUSTRIAL>> VIBRATORY SCREEN
Polyurethane vibratory screen

A molded polyurethane vibratory 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...

Company name: Derrick
Published On: Tuesday April 21st, 2015

 
CHEMISTRY
Partially fluorinated polymers

The present invention relates to a polymer comprising the reaction product of: (a) a compound of Formula (3), or a mixture thereof: ##STR00001## defined herein and (b) at least one ethylenically unsaturated monomer having a functional group. The present invention also relates to a polymer having at least one carbamate linkage prepared by: (i)...

Company name: E I du Pont de Nemours & Company
Published On: Thursday April 23rd, 2015

 
Processes for producing aryl carbamates, isocynates and polyureas using diaryl carbonate

A preparation of aryl carbamates can be achieved readily by carbonylation of an aromatic polyamine compound with diphenyl carbonate (DPC) using a combination of an organic acid and a tertiary amine as a catalyst. Aryl carbamate can be converted into 4,4'-diphenylmethane diisocyanate (MDI) by heating it at about 200 to about 230.degree. C. in a...

Company name: Great Eastern Resins Industrial
Published On: Tuesday April 21st, 2015

 
Method to produce uretonimine-modified isocyanate composition

A method to produce uretonimine-modified isocyanate composition comprises Providing an organic isocyanate composition having two or more isocyanate groups; Reacting, in the presence of a suitable catalyst, said polyisocyanate composition to form uretonimine-modified isocyanate composition comprising carbodiimide groups and uretonimine groups;...

Company name: Huntsman International LLC
Published On: Tuesday April 21st, 2015

 
AEROGELS
Multifunctional porous aramids (aerogels) and fabrication thereof

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: Thursday April 23rd, 2015

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> BLOWING AGENTS
Improved Insulation for Commercial & Domestic Appliances

There is both economic and environmental pressure on the Appliance Industry to produce appliances that are energy efficient as well as non-damaging to the environment. The choice of foam blowing agent plays a major role in the efficiency of the appliance and upon its impact on the environment both now and in the future [a legacy of encapsulated BAs...

Company name: Foam Supplies
Published On: Friday April 24th, 2015

 
SYSTEMS>> BIOMATERIALS>> HYDROGELS
Influence of Diisocyanate Structure on Properties of Some Thermoreversible Polyurethane Hydrogels

A series of polyurethanes based on poly(ethylene oxide)–poly(propylene oxide)–poly(ethylene oxide) triblock copolymer and different aliphatic diisocyanates were synthesized and characterized. The effect of isocyanate moiety on polymer properties was studied. The chemical structure and molecular characteristics were investigated by FTIR and GPC...

Company name: Petru Poni Institute of Macromolecular Chemistry
Published On: Thursday April 23rd, 2015

 
Injectable Thermoreversible Hydrogels Based on Amphiphilic Polyurethanes: Structure-Property...

A new series of amphiphilic polyurethanes (PUs) based on different polyols and aliphatic diisocyanates was synthesized and characterized. The chemical structure and molecular characteristics were investigated by ATR-FTIR and GPC analysis. Wetting properties were evaluated by static contact angle determinations. Aqueous solution of these PUs...

Company name: Petru Poni Institute of Macromolecular Chemistry
Published On: Thursday April 23rd, 2015

 
FOAMS
Rapeseed oil-based polyurethane foams modified with glycerol and cellulose micro/nanocrystals

A rapeseed oil-based polyol (ROPO) was synthesized using chemical modification of the rapeseed oil (RO) by epoxidation reaction followed by oxirane ring-opening with diethylene glycol. The ROPO was used in the formulation of low-density green polyurethane (PU) foams. The use of glycerol as hydroxyl component, water as a reactive blowing agent and...

Company name: National University of Mar del Plata
Published On: Thursday April 23rd, 2015

 
FOAMS>> FLEXIBLE
Flexible Polyurethane Foams Modified with New Bio-Polyol Based on Rapeseed Oil

This article describes the effects of the modification of polyurethane system with rapeseed oil-based polyol on the cell structure and physical-mechanical properties of conventional flexible polyurethane foams. The foams were prepared by substituting a part of the petrochemical polyether-polyols mixture with the bio-polyol based on rapeseed oil....

Company name: Cracow University of Technology
Published On: Thursday April 23rd, 2015

 
FOAMS>> RIGID
Synthesis and morphology of rigid polyurethane foams with POSS as pendant groups or chemical...

This work reports on the preparation of polyurethane foams (PUFs) chemically modified by functionalized 1,2-propanediolisobutyl polyhedral oligosilsesquioxane (PHI-POSS) as pendant groups and octa(3-hydroxy-3-methylbutyldimethylsiloxy) POSS (OCTA-POSS) as chemical crosslinks. The resulting foams, which contain 0 to 15 wt% POSS (versus...

Company name: Cracow University of Technology
Published On: Thursday April 23rd, 2015

 
CASE>> ELASTOMERS
Stress–Strain Dependence of Segmented Polyurethanes and Polyurethane Ureas

The stress–strain dependences of segmented elastomers based on polyetherurethanes, polyesterurethane ureas, and polybutadieneurethane ureas were investigated. These dependences were adequately described using the generalized approach proposed earlier by the authors for amorphous elastomers. The experimental data obtained for four series of samples...

Company name: Institute of Technical Chemistry - Russia
Published On: Thursday April 23rd, 2015

 
CHEMISTRY
Dielectric Cure Monitoring Measurements

The dielectric properties of a polymer, such as resistivity (ρ) and permittivity (ε'), are measured by dielectric cure monitoring. Information on cure state can generally be obtained from the resistivity value, which has a frequency dependent (ρAC) component because of the rotation of stationary dipoles, and a frequency independent...

Company name: Lambient Technologies
Published On: Wednesday April 22nd, 2015

 
 

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