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  Issue-312 - June 04, 2012   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> ADDITIVES
Momentive Performance Materials Expands Global Capacity For Polyurethane Additives to Meeting...

Momentive Performance Materials Inc., a leading global provider of silicones and advanced materials, continues to leverage its recent capacity expansions in urethane additives to meet growing demand. Momentive has focused on making strategic investments in its manufacturing operations in China, India, Brazil and Belgium to better serve its...

Company name: Momentive Performance Materials
Published On: Thursday May 31st, 2012

 
PU RAW MATERIALS>> RELEASE AGENTS
Heavy Duty Paste Wax for Polyurethane Molded Applications

Release Coating 8012 is a solvent based paste wax that remains thicker longer while delivering effective release and complete coverage. Molders need to apply Release Coating 8012 less often. This new heavy duty paste wax from Huron Technologies, Inc. saves time for molding operations. Release Coating 8012 is formulated for use in manufacturers'...

Company name: Huron Technologies
Published On: Wednesday May 30th, 2012

 
Low Cost, Robust Release Performance, Low Build Up

Release Coating 7979 is a low cost mold release formulated for molders of automotive armrests and headrests. Recently announced by Huron Technologies, Inc., Release Coating 7979 has been developed to provide cleaner molds with low build up. This unique blend of hydrocarbon solvents dries quickly on the mold surface, providing optimal performance...

Company name: Huron Technologies
Published On: Tuesday May 29th, 2012

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS>> AMINE BASED
Huntsman Completes Amines Expansion in Llanelli, Wales

The Performance Products division of Huntsman Corporation today announced that it has completed the expansion of its specialty amines manufacturing facility in Llanelli, Wales. This expansion has increased capacity by more than 50%, primarily for JEFFAMINE® polyetheramines, Diglycolamine® Agent (DGA® Agent) and morpholine.Stu Monteith, President...

Company name: Huntsman Performance Products
Published On: Monday June 04th, 2012

 
BASF raises global prices for isophorone diamine

BASF is raising global its prices for isophorone diamine (IPDA) by €150 per metric ton, or by the corresponding amount in local currency, effective immediately or as existing contracts permit. The IPDA specialty amine is valued as a curing agent for epoxy resins and as an isocyanate crosslinking agent for the production of polyurethane. BASF...

Company name: BASF
Published On: Monday June 04th, 2012

 
PU RAW MATERIALS>> POLYOLS>> POLYBUTABIENE
Newest Addition to Series of Hypro Hydroxy-TerminatePolybutadiene Products Provides Enhanced...

CVC Thermoset Specialties, an Emerald Performance Materials company, introduces Hypro™ 1200X90 HTB, the newest addition to its Hypro Reactive Liquid Polymer product line based on hydroxy-functional polybutadiene (HTPB) technology. Launched in 2011, the HTPB technology platform not only expands the range of materials offered by the company, but the...

Company name: Emerald Kalama Chemical
Published On: Wednesday May 30th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
BASF aims to expand MDI presence in Korea

BASF is planning to expand its output of MDI ― a key material to make polyurethane ― at its factory in the southern industrial city of Yeosu as part of its strategy to secure reliable supply to its customers not only in Korea but also throughout the Asia-Pacific rim. "We will boost the capacity of the MDI site from the current 190,000...

Company name: BASF
Published On: Wednesday May 30th, 2012

 
SYSTEMS>> COATINGS
Australian Urethane Systems supplies polyurethane coating for water treatment plant

Australian Urethane Systems recently supplied one of its potable water approved sealing solutions to seal a West Australian water treatment plant against various potential threats, including hydrogen sulphide.POLYEURO 1050H polyurethane coating was selected for this application due to its fast cure rate, toughness, resilience and elastomeric...

Company name: Australian Urethane Systems
Published On: Tuesday May 29th, 2012

 
SYSTEMS>> COATINGS>> FLOORING
TORLYS unveils TerraWood hybrid flooring

TORLYS Inc. has introduced TerraWood hybrid floors to retailers across Canada. TORLYS TerraWood is an eco-friendly hybrid wood floor, made in Germany and FSC (Forest Stewardship Council) certified with a blend of softwood and hardwoods melded into a durable, dent-resistant wood plank, according to the company. A new 14-step patented color...

Company name: Torlys
Published On: Thursday May 31st, 2012

 
Coles selects Sikafloor® system as part of national specification

A flooring solution from Sika designed for the food industry has been applied to 30 Coles supermarkets as part of a national specification, with additional stores to be refurbished in coming months. Sika’s polyurethane flooring has been applied throughAccording to the standards management team which oversees the Coles store construction and...

Company name: Sika AG
Published On: Thursday May 31st, 2012

 
Dur-A-Flex® Flooring Systems Comply with California Section 01350

Dur-A-Flex, Inc. announced today that they have completed the testing of air quality emissions from their seamless resinous flooring systems and have been deemed compliant with CA Section 01350.Commonly referred to as CA Section 01350, it is the specification to which numerous air quality certifying groups work to. The spec was originally prepared...

Company name: Dur-A-Flex
Published On: Monday June 04th, 2012

 
SYSTEMS>> COATINGS>> ROOFING
Montana-Based Spray Applicator Specializes in Polyurea Projects, SPF Roofing

In Montana, to say that spray applicators who specialize in polyurea are few and far between is an understatement."I'm the only one in Montana who's doing this," said Wayne James, owner of Polytech International.The sparsity of polyurea contracting companies, while advantageous in terms of competition, presents its own set of issues with regard to...

Company name: Polytech International
Published On: Monday June 04th, 2012

 
CASE>> COATINGS
Paint company works on giant excavator in Czech Republic

Coatings and paint company Hempel Paints has collaborated with technical design company Noen, in the Czech Republic, on a pro- ject involving the design and manufacture of a new type of bucket-wheel excavator, the KK1300.The companies worked together to come up with an unusual colour scheme for the machine, which was implemented using Hempel...

Company name: Hempel
Published On: Friday June 01st, 2012

 
CASE>> COMPOSITES
IKV produces parts with polyurethane matrix in five minutes

The Institute of Plastics Processing (IKV) in Industry and the Skilled Crafts at RWTH Aachen University is currently working on the development of a polyurethane spray process for the production of composite parts with high fibre volume contents in short cycle times. The aim is to develop this fast, fully automated production process for...

Company name: The Institute of Plastics Processing
Published On: Tuesday May 29th, 2012

 
Larger, yet lightweight wind turbine blades

When producing wind energy, bigger is better. Wind farm operators and suppliers are seeking larger wind blades to improve efficiency, and they are expressing strong interest in material improvements to meet their needs. Longer blades can achieve larger sweep areas. However, gravity-induced bending loads on blades create dramatic increases in...

Company name: Bayer MaterialScience LLC
Published On: Monday June 04th, 2012

 
PROCESSING EQUIPMENTS - PRODUCTION>> RIGID FOAM>> SPRAY
FTC Moves to Strip Graco of ITW Units

Spray-equipment giant Graco Corp. will have to sell off the lion’s share of the businesses it just acquired from chief rival Illinois Tool Works to settle antitrust allegations that have dogged the deal, the Federal Trade Commission has announced.Under a proposed order filed Friday (June 1), the FTC said Graco must divest the liquid finishing...

Company name: Graco
Published On: Monday June 04th, 2012

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> SOLAR MODULES
BioSolar Selects Stevens Urethane To Manufacture BioBacksheet

BioSolar, Inc., developer of a breakthrough technology to produce bio-based materials from renewable plant sources that reduce the cost of photovoltaic (PV) solar modules, today announced that it has entered into a manufacturing agreement with Massachusetts-based Stevens Urethane, a subsidiary of JPS Industries, for the upcoming full-scale...

Company name: Stevens Urethane
Published On: Tuesday May 29th, 2012

 
FINISHED PRODUCTS>> SPORTS>> SPORT SURFACES
Beynon’s Polyurethane Formulations Continue to Stand the Test of Time

In what is proving to be a regular occurrence at all levels of competition for all Beynon Sports state-of-the-art surfaces, records continue to fall. The 2012 Big Ten Outdoor Track and Field Championships held at McClimon Memorial Track joins a long list of Championships that have been contested on Beynon surfaces, and has added to the numerous...

Company name: Beynon Sports Surfaces
Published On: Wednesday May 30th, 2012

 
FINISHED PRODUCTS>> MEDICAL
Interstate Specialty Products' Medical Urethane Foams Are Die Cut to Precise OEM Specifications

Interstate Specialty Products, Inc. is introducing custom die cut medical urethane foams to match OEM requirements for padding, sealing, energy absorption and other cushion-gasket applications.Interstate Custom Die Cut PORON® Medical Urethane Foams exhibit excellent compression-set resistance and are highly resilient, providing a cushioned gasket...

Company name: Interstate Specialty Products
Published On: Wednesday May 30th, 2012

 
PEOPLE
Crystal King named site leader for Dow Chemical's Seadrift Operations site

Crystal King is the new site director for Dow Chemical's Seadrift Operations.She replaces Brad Fedorchak, who is now the company's business manufacturing leader for polyurethanes in Freeport.King's career with Dow began in La Porte in 1988, where she held positions in polyurethanes TR&D, A-plant and site logistics. She was named Supply Chain...

Company name: The Dow Chemical Company
Published On: Monday June 04th, 2012

 
Krayden Appoints Senior Account Manager for Business Venture in Canada

Christopher G. Miller’s appointment represents Krayden’s continued growth in this territory as the company emerges as a leading provider in Canada. Miller is responsible for building sales for Krayden’s new business venture in Toronto, Canada.Krayden, Inc. has appointed Christopher G. Miller as Senior Account Manager for Krayden Canada Inc....

Company name: Krayden
Published On: Thursday May 31st, 2012

 
Geenen Joins Emerald Kalama Chemical BV as Technical Sales Manager for K-FLEX® Europe

Emerald Kalama Chemical, a division of Emerald Performance Materials, has announced the appointment of Jacques Geenen as K-FLEX® technical sales manager for Europe. Geenen fills a new position at the division European headquarters in Geleen, The Netherlands, to support the growing demand for the K-FLEX product line in the region. K-FLEX is a...

Company name: Emerald Kalama Chemical
Published On: Wednesday May 30th, 2012

 
INDUSTRY UPDATE
New Coatings Technical Support Lab in India

Taking another stride towards developing India as an international competence center, legacy BASF Coatings (India) Private Limited (which subsequently merged with BASF India Limited with effect from 14th January, 2011) has set up a new coatings technical support lab at Mangalore, India. This new facility at Mangalore will support lab activities...

Company name: BASF Asia Pacific
Published On: Friday June 01st, 2012

 
Perstorp to strengthen distribution in Brazil

Following the overall review of the Perstorp Group´s use of sales channels, as well as the Group’s greater focus on its South American activities, Perstorp is pleased to announce that a new, extended distribution agreement has been signed between Perstorp and Oxiquim Quimica Ltda.As of Q1 2012, Oxiquim Quimica Ltda will be responsible for...

Company name: Perstorp
Published On: Wednesday May 30th, 2012

 
Stepan Launches New Website

Stepan’s new website will go live today. The website has a new look as well as improved functionality.You will now be able to:- Use the Product Finder (from any page on the site) to select the best product for your application. - Order a commercial product sample - Benefit from the enhanced search capability. - Review the advantages of "Why...

Company name: Stepan Company
Published On: Tuesday May 29th, 2012

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Polyol composition, foaming composition and polyurethane foam

Disclosed is a polyol composition containing an aromatic polyester polyol having a hydroxyl number of 300-500 mgKOH/g and an average number of functional groups of 2.0-2.5, a medium-chain polyether polyol having a hydroxyl number of 100-250 mgKOH/g and an average number of functional groups of 2.0-4.0 and composed of a polyoxypropylene unit, and a...

Company name: Mitsui Chemicals
Published On: Wednesday May 30th, 2012

 
PU RAW MATERIALS>> ISOCYANATES
Polyisocyanate composition having improved impact-proof properties

The invention relates to the use of additived (poly)isocyanate compositions for producing coatings, especially paints or varnishes for car bodywork parts, said compositions having excellent impact-resistant properties, especially grit-resistant properties.

Company name: Rhodia
Published On: Thursday May 31st, 2012

 
PU RAW MATERIALS>> PREPOLYMERS
Isocyanate group-containing prepolymers having good storage stability

The invention relates to adhesives, coating agents and sealing agents curing under the influence of moisture, which exhibit good storage stability, can be processed within a wide tolerance range and are fast-curing.

Company name: Bayer MaterialScience AG
Published On: Tuesday May 29th, 2012

 
PU RAW MATERIALS>> RESIN COMPOSITION
Plastic polarized lens and method of producing the same

To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen...

Company name: Mitsui Chemicals
Published On: Wednesday May 30th, 2012

 
SYSTEMS>> ADHESIVES
Adhesive composition

An adhesive composition is provided which is capable of providing good adhesion strength to the polyimide surface of a flexible circuit board that is exposed on the metal wiring surface and between the traces even when the polyimide surface is relatively smooth. The adhesive composition contains a thermoplastic resin, a polyfunctional acrylate, and...

Company name: Sony Chemical & Information Device Corporation
Published On: Wednesday May 30th, 2012

 
Adhesive for polarizing plate and polarizing plate having adhesive layer

An adhesive composition for polarizing plates in which an acrylic polymer, a tin compound having a dialkyl group and serving as a cross-linking accelerator and an isocyanate cross-linker are dissolved in an organic solvent, the acrylic polymer being formed by copolymerization of monomers containing an alkyl (meth)acrylate, a hydroxyl group...

Company name: Soken Chemical and Engineering
Published On: Wednesday May 30th, 2012

 
SYSTEMS>> ADHESIVES>> BINDERS
Light wood-based materials having good mechanical properties and low formaldehyde emission

A light wood-containing material having an average density in the range from 200 to 600 kg/m.sup.3, comprising, based in each case on the wood-containing material: A) from 30 to 95% by weight of wood particles; B) from 1 to 15% by weight of a filler having a bulk density in the range from 10 to 100 kg/m.sup.3, selected from the group consisting of...

Company name: BASF SE
Published On: Wednesday May 30th, 2012

 
SYSTEMS>> COATINGS
Method of silver plating and articles and/or objects formed by the method of silver plating

A process for electroless silver plating of a work piece includes simultaneously spraying a silver nitrate solution and a reducer on a work piece to form a reflective layer on the work piece, applying a water-based urethane coating on the reflective layer, and applying either a top coat that is solvent based or a powder based on the water-based...

Company name:
Published On: Thursday May 31st, 2012

 
Two-component polyurethane clear coat kit system

A two-component polyurethane clear coat kit system consisting of: (1) a binder component having a solids content of 42 to 50 wt.-% comprising at least one hydroxyl-functional binder and a volatile organic content of 50 to 58 wt.-%, and (2) a polyisocyanate crosslinker component having a solids content of 66 to 70 wt.-% and a volatile organic...

Company name: E I du Pont de Nemours & Company
Published On: Thursday May 31st, 2012

 
SYSTEMS>> COATINGS>> INKS
Inkjet inks containing crosslinked polyurethanes

Inkjet inks that have, as a principal component, a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and/or poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly...

Company name: E I du Pont de Nemours & Company
Published On: Thursday May 31st, 2012

 
Pigment based inks for high speed durable inkjet printing

An ink composition comprising (a) water, (b) pigment particles, (c) at least one humectant, (d) at least one polyurethane having an average molecular weight of at least about 10,000 and a sufficient number of acid groups to provide an acid number from 60 to about 130, and being present at a weight concentration of greater than 0.7%, and (e) at...

Company name: Eastman Kodak Company
Published On: Thursday May 31st, 2012

 
SYSTEMS>> COATINGS>> DISPERSIONS
Radiation-curable, water-dispersible polyurethanes and polyurethane dispersions

The present invention relates to dispersible polyurethanes and polyurethane dispersions curable with UV radiation, to a process for preparing them, and to their use.

Company name: BASF SE
Published On: Wednesday May 30th, 2012

 
FOAMS
Polyurethane foam composition

Single component compositions for making a moisture-cured polyurethane foam are disclosed. Foam produced from the compositions of the present invention produce very low foaming pressure due to their 60-95 percent open-cell content. After these compositions are applied and cure, they form a permanent seal around the perimeter of installed...

Company name: Dow Global Technologies Inc
Published On: Thursday May 31st, 2012

 
CASE>> ADHESIVES
Printable repositionable adhesive element and process for the production thereof

The invention consists of an adhesive element (1) of the type comprising a plastic laminar support (2), an adhesive layer (3) applied to the support (2) and a protective layer (5) applied in a removable manner to the adhesive layer (3), the adhesive layer (3) being defined by a cold-polymerised polyurethane mixture between the support (2) and the...

Company name: Italgraf
Published On: Wednesday May 30th, 2012

 
CASE>> ELASTOMERS
Solid polyurethane elastomers which exhibit reduced dimensional shrinkage

This invention relates to solid elastomers which exhibit reduced dimensional shrinkage, and to a process for the production of these elastomers. These elastomers comprise the reaction product of a polyisocyanate component or prepolymer, with an isocyanate-reactive component comprising a high molecular weight component having an EO cap having less...

Company name: Bayer MaterialScience AG
Published On: Thursday May 31st, 2012

 
CASE>> COMPOSITES>> EXTRUSION
Extrusion of polyurethane composite materials

Methods of extruding polyurethane composite materials are described. One method includes introducing at least one polyol and inorganic filler to a first conveying section of the extruder, transferring the at least one polyol and inorganic filler to a first mixing section of an extruder, mixing the at least one polyol and the inorganic filler in the...

Company name: Century-Board USA
Published On: Wednesday May 30th, 2012

 
FINISHED PRODUCTS
Hydrophilic polyurethane foam articles comprising an antimicrobial compound

Foamed polyurethane articles, such as a sponges, sheets, tapes or ribbons, blocks or other molded, extruded or cast article which foamed polyurethane articles exhibit an antimicrobial benefit and are particularly useful in the formation of cleaning articles. Processes for the manufacture of such cleaning articles based on hydrophilic polyurethane...

Company name: Reckitt Benckiser
Published On: Thursday May 31st, 2012

 
FINISHED PRODUCTS>> AUTOMOTIVE>> AIRLESS TIRES
Polyurethane foam and pneumatic tire

A polyurethane foam which is obtained by a reaction between a diol component and a diisocyanate component, with the diol component being a mixture of a polyether-based diol and a polyester-based diol, and a pneumatic tire to which the polyurethane foam is applied are provided. When a soft polyurethane foam is produced using a mixture of a...

Company name: Hankook Tire
Published On: Wednesday May 30th, 2012

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

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

Company name: Acushnet Company
Published On: Thursday May 31st, 2012

 
Golf ball

The object of the present invention is to provide a golf ball with superior abrasion resistance and resilience. The present invention provides a golf ball of the present invention comprises a core and a cover that covers the core. The cover contains a polyurethane resin and an organically modified layered silicate, and an interlayer distance of the...

Company name: SRI Sports
Published On: Thursday May 31st, 2012

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
Resorbable polyurethane wound cover

The present invention relates to a biocompatible, resorbable polyurethane foam wound cover with open pores and an adjustable resorption rate having improved properties when used on skin or connective tissue wounds as well as a method of production of such a polyurethane foam wound cover.

Company name: Nolax
Published On: Thursday May 31st, 2012

 
FINISHED PRODUCTS>> INDUSTRIAL
Shoe press belt

The invention relates to a shoe press belt comprising polyurethane polymer prepared of a urethane prepolymer containing isocyanate groups and a blend of chain extenders, the urethane prepolymer being prepared using 1,4-phenyIene-diisocyanate (PPDI) and the blend of chain extenders comprising methyl-bis(3-chloro-2,6-diethyl-aniline) (MCDEA).

Company name: Metso
Published On: Wednesday May 30th, 2012

 
FABRICS
Moisture-permeable waterproof fabric and process for producing same

A moisture-permeable waterproof fabric which has a well-balanced combination of moisture permeability and waterproofing properties and has excellent strength, in particular, tensile strength, is provided without increasing environmental burden. A synthetic-polymer solution comprising a synthetic polymer consisting mainly of a polyurethane, fine...

Company name: Seiren
Published On: Wednesday May 30th, 2012

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> COATINGS
Hydroxyl‐functional polyurethanes and polyesters: synthesis, properties and potential...

This mini review gives an overview of the synthesis of polyurethanes and polyesters with pendant hydroxyl groups performed mainly in our group. Significant for the synthesis of most of these polymers with hydroxyl-functional side groups is that no protection groups are needed. This is realised either by generating the OH group during polymer...

Company name: Aachen University
Published On: Monday June 04th, 2012

 
Linear glycidyl carbamate (GC) resins for highly flexible coatings

An approach to the design of highly flexible coatings based on glycidyl carbamate (GC) chemistry is presented. In past work, GC resins had been synthesized by reacting polyisocyanates such as hexamethylene diisocyanate biuret or hexamethylene diisocyanate isocyanurate resins with glycidol. When crosslinked with amines, due to their high...

Company name: North Dakota State University
Published On: Monday June 04th, 2012

 
SYSTEMS>> BIOMATERIALS
Polycarbonate urethane films modified by heparin to enhance hemocompatibility and endothelialization...

Polyurethane with pendant carboxyl groups was synthesized by a two-step reaction using methylene diphenyl diisocyanate as hard segments, polycarbonate diols as soft segments and 2,2-bis(hydroxymethyl) propionic acid as chain extenders. The surfaces of the casting polymer films were further covalently conjugated with heparin as confirmed by Fourier...

Company name: East China University of Science and Technology
Published On: Monday June 04th, 2012

 
CASE>> ELASTOMERS
Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes

In the proposed work, new elastomeric bio-polyol based polyurethanes (bio-PUs) with specific mechanical properties were prepared by a one-shot process without the presence of a solvent. Commercial non-degradable polyether polyol derived from petrochemical feed stock was partly (in the amount of 1 mass %, 5 mass %, and 10 mass %) substituted by the...

Company name: Brno University of Technology
Published On: Monday June 04th, 2012

 
CHEMISTRY
Polyurethane-epoxy based azopolymers: influence of chemical structure over photoinduced...

A comparative study of the influence of the competitive reactions that can take place in epoxy–isocyanate based azo systems over optical behavior was developed.Diverse disperse red 19 (DR 19) azo urethane oligomers (PUs) were synthesized and characterized using size exclusion chromatography (SEC), Fourier transform infrared (FTIR), and UV–visible...

Company name: National University of Mar del Plata
Published On: Monday June 04th, 2012

 
Photopolymerization behavior and phase separation effects in novel polymer dispersed liquid crystal...

Polymer dispersed liquid crystals (PDLCs) are often formed by polymer induced phase separation, based on photopolymerization of multifunctional acrylate monomers. The emerged morphology is controlled by the interplay between polymerization rate and phase separation dynamics, which depends on different parameters such as monomer structure and...

Company name: Shahid Beheshti University
Published On: Monday June 04th, 2012

 
Correlation between the secondary structure and hydrogen bonding in optically active polyurethane...

Optically active polyurethanes (PUs) with different specific rotations were synthesized using a hydrogen transfer addition polymerization procedure with isocyanate-phenols of varying enantiomeric excess. The optical activities of the PUs were enhanced with an increase in the enantiomeric excess of the monomers. A helical secondary structure in the...

Company name: Southeast University
Published On: Monday June 04th, 2012

 
Pyridine‐Catalyzed Double C—N Coupling Reaction of an Isocyanate with Two Benzynes

Under optimized conditions variously substituted diaryl- and triarylamines are formed.

Company name: Tamkang University
Published On: Monday June 04th, 2012

 
SHAPE MEMORY MATERIALS
Seed oil‐based hyperbranched shape memory polyurethanes: Effect of multifunctional component

The bio-based hyperbranched polyurethanes (HBPUs) have generated immense interest as advanced shape memory materials. In the present investigation, HBPUs were synthesized from poly(ε-caprolactone)diol as a macroglycol, butanediol as a chain extender, monoglyceride of Mesua ferrea L. seed oil as a bio-based chain extender, triethanolamine as a...

Company name: Tezpur University
Published On: Monday June 04th, 2012

 
 

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