Issue-377 - September 16, 2013   Recommend
Press Releases Patents Technical Papers
Flame Retardant Chemicals: Technologies and Global Markets

Flame Retardant Chemicals: Technologies and Global Markets presents an overview of the worldwide market size, growth and trends for this important and special industrial segment of chemicals. The report reviews global markets for specific flame retardant chemicals and forecasts trends and sales in these markets through 2018. The major applications...

Company name:
Published On: Wednesday September 11th, 2013

Honeywell’s Solstice® Liquid Blowing Agent Receives Highest Hail-Resistance Rating From Leading...

Honeywell (NYSE: HON) announced today that a spray foam roofing system formulated with Solstice™ Liquid Blowing Agent is the first such system to receive a severe hail rating from FM Global, one of the world’s largest business insurers, through the insurer’s FM Approvals certification program. The roofing system, which was developed by Ohio-based...

Company name: Honeywell
Published On: Friday September 13th, 2013

Chem-Trend buys mould release systems manufacturer Zyvax

Chem-Trend has acquired the Zyvax business, expanding the company’s portfolio of product technologies for use in fibre-reinforced plastics (FRP) and composites.Financial details were not disclosed. Founded in 1985, Zyvax is a manufacturer of moulding process systems, headquartered in Boca Raton, FL, with the majority of its operations in Ellijay,...

Company name: Chem-Trend
Published On: Monday September 16th, 2013

Jayant Agro enters into JVA for investing in Vithal Castor Polyols

Jayant Agro Organics, India’s leading castor oil and castor based derivatives manufacturers, Mitsui Chemicals Inc, Japan and Itoh Oil Chemicals Company, Japan have together entered into a Joint Venture Agreement (JVA) for investing in the equity shares of Vithal Castor Polyols in the ratio 50:40:10 respectively. The joint venture will be focused on...

Company name: Jayant Agro Organics
Published On: Monday September 09th, 2013

Bayer MaterialScience to Expand China MDI Production

Bayer MaterialScience today announces the debottlenecking of its methylene diphenyl diisocyanate (MDI) production facility at Bayer Integrated Site Shanghai (BISS) in Caojing, Shanghai. The production capacity of the current facility will increase from 350,000 to 500,000 t/y by mid-2014. “MDI is an important raw material for the production of...

Company name: Bayer MaterialScience China
Published On: Wednesday September 11th, 2013

China Polymeric MDI July Exports Rose 26.27% Year on Year

China polymeric MDI exports under the HS code of 39093010 were 17,627 tons in July, increasing 26.27% from 13,960 tons in last July and up 0.030% over this June, according to PUdaily im&export data. Imports in July were 27,531 tons, increasing by 66.13% over last July and dropping 8.29% from 30,020 tons in last month. From January to July, China...

Company name:
Published On: Friday September 13th, 2013

Thermally Conductive Two Component Silicone Meets UL 94V-0 Specification for Flame Retardancy

In addition to typical silicone properties such as flexibility and high temperature resistance, Master Bond MasterSil 156 passes the rigorous UL 94V-0 tests for flame retardancy. This two part silicone system is addition cured and does not require exposure to air for complete cross-linking. It has a convenient one to one mix ratio by weight and...

Company name: Master Bond
Published On: Tuesday September 10th, 2013

PPG Offering AMERCOAT in Mexico

PPG Industries Inc .'s protective and marine coatings (PMC) business announced that it will offer AMERCOAT brand coatings in Mexico. The products that are sold and serviced by PPG in Mexico include AMERLOCK which is a global brand of PPG and offers high-performance coatings that protect industrial onshore and offshore steel structures against...

Company name: PPG Industries
Published On: Thursday September 12th, 2013

BASF publishes Environmental Product Declarations for polyurethane and epoxy flooring systems

With immediate effect, Environmental Product Declaration sheets (EPDs) are available for almost all MasterTop ® flooring products from BASF. BASF is thus the first manufacturer of polyurethane and epoxy floor covering systems to publish EPDs. These declarations contain environmental information about the product and its environmental impact. EPDs...

Company name: BASF Corporation
Published On: Wednesday September 11th, 2013

Free Webinar Covers Polyurea Standard

Polyureas, polyurethanes and the latest industry standard for field application of those coatings will be the focus of a free upcoming webinar by SSPC and JPCL."Polyurethane, Polyurea and Hybrid Lining Technology," to be held from 11 a.m. to noon ET Sept. 18, will provide an overview of SSPC-PA 14, Field Application of Plural Component Polyurea and...

Company name: The Coating Society
Published On: Wednesday September 11th, 2013

Spray foam gets whole new applications

It is well known that spray foam insulation is a leading contributor of heating and cooling cost improvement. This energy efficient insulation material makes it easy to seal in heat in the winter and cool air all summer long. It allows for simple climate control, as there is no need to run HVAC systems for very long. It also creates a solid seal...

Company name: Icynene
Published On: Wednesday September 11th, 2013

NCFI’s TerraThane Used on Challenging WV Transmission Station Pipeline Project

A recent pipeline job at Dominion Resource's extraction/fractionation plant in Pine Grove, WV presented some pretty hairy challenges. First the pipeline was to be laid on a 58-degree hillside. Trucks, excavators, and other equipment had to be wenched up the slope and held in place by cables attached to heavy equipment. Secondly, it was the rainy...

Company name: NCFI Polyurethanes
Published On: Thursday September 12th, 2013

Spray Polyurethane Foam Can Help Make Buildings Stronger, More Durable

With the National Oceanic and Atmospheric Administration (NOAA) continuing to predict above-normal activity for the 2013 Atlantic hurricane season, many coastal homeowners and other building owners are looking for ways to protect their properties from wind and water damage. While spray polyurethane foam’s (SPF) insulation and air sealing benefits...

Company name: The Spray Foam Coalition
Published On: Friday September 13th, 2013

Icynene unveils world’s first 100% water blown closed-cell innovation - Icynene ProSeal Eco

Leading spray foam insulation manufacturer, Icynene unveils a world first innovation today as it introduces Icynene ProSeal Eco™ – a 100% water-blown medium-density closed-cell spray foam. The ground-breaking new product is set to change how the construction industry uses closed-cell spray foam insulation thanks to the product’s superior...

Company name: Icynene
Published On: Friday September 13th, 2013

Spray Foam Coalition Releases New SPF Inspection Guidance

This document is intended for inspectors that are familiar with Spray Polyurethane Foam (SPF) to provide general guidance and present techniques that can be used for the inspection and sampling of SPF insulation projects, with an emphasis on observation and physical sampling. Air sampling and emissions testing are beyond the scope of this general...

Company name: Spray Polyurethane Foam Alliance
Published On: Monday September 16th, 2013

Oil-Based Polyurethane, Water-Based Polyurethane, and Natural Oil?

Nearly as important to the character of a room as the wood you put into it, choosing the right finish option is the all-important final step in creating your envisioned hardwood flooring experience. Finishes roughly fall into three categories: Oil-Based Polyurethanes, Water-Based Polyurethanes, and Natural Oils. We’re going line them all up and see...

Company name:
Published On: Monday September 16th, 2013

Henkel Announces Upcoming Loctite® Medical Device Adhesive Seminars

Henkel Corporation has announced two dates for Loctite® Medical Device Adhesive Seminars during the fall of 2013. The first will take place on Thursday, September 19, in Novi, Mich. with the second event scheduled for Tuesday, October 1, near Fort Lauderdale, Fla. Each comprehensive program will provide design, product and manufacturing engineers...

Company name: Henkel Corp
Published On: Thursday September 12th, 2013

PlastiComp adds Long Fiber Thermoplastic pipes, beams, and profiles to portfolio

PlastiComp, Inc. has installed and commissioned a patent-pending manufacturing line for extruding Long Fiber Thermoplastic (LFT) pipes, beams, and other structural profiles. The crosshead profile-dies used are designed to co-extrude fiber tows or unidirectional tapes as continuous axial reinforcement in the extruding profile. Polymer is delivered...

Company name: Plasticomp
Published On: Wednesday September 11th, 2013

Lapolla Passes Wet Wall Test in Europe

Lapolla Industries, Inc., a Houston based global supplier, and manufacturer of spray polyurethane foam insulation and elastomeric protective coatings, and equipment designed to reduce energy consumption in the residential, industrial and commercial markets, for both new construction and retrofit applications, announces passing the Wet Wall Test and...

Company name: LaPolla Industries, Inc
Published On: Friday September 13th, 2013

Remote Home in Georgia Mountains is Insulated with Open-Cell Spray Polyurethane Foam

When the construction of his new vacation home was being completed, a Georgia homeowner decided he wanted his mountainside log cabin to be as energy-efficient as possible and opted to have spray foam insulation applied inside it.The owner contracted Innovative Spray Solutions (ISS) for the application, which consisted of the application of spray...

Company name: Innovative Spray Solutions
Published On: Wednesday September 11th, 2013

Johns Manville Announces Higher R-Value for JM Corbond III® Insulation in Canada

Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, today announced that JM Corbond III® closed-cell spray polyurethane foam insulation now delivers an R-value of R-7 per inch, a change that translates to a nine percent increase in thermal resistance compared to the previous R-6.4 per inch.While maintaining...

Company name: Johns Manville
Published On: Thursday September 12th, 2013

Making U-value calculations for inverted flat roofs: three vital considerations

Reviewing or making a U-value calculation for an inverted flat roof? Then you should bear these three vital considerations in mind according to Dr Steve Johnson, Technical Manager for STYROFOAM and XENERGY insulation manufacturer, Dow Building Solutions : 1. U-values: Location, Location, Location.2. Design and declared lambda values: know the...

Company name: Dow Building Solutions
Published On: Friday September 13th, 2013

BASF at the 2013 Automotive Composites Conference & Exhibition (ACCE)

BASF Corporation will exhibit many of its automotive technologies at the Society of Plastics Engineers (SPE) 2013 Automotive Composites Conference & Exhibition (ACCE) taking place at the Suburban Collection Showplace (Diamond Center) in Novi, Michigan on September 11 - 13, 2013. The theme of this year’s show is “Composites: Lightweighting the Cars...

Company name: BASF Corporation
Published On: Wednesday September 11th, 2013

MySetta – New styling with clever BASF PU technologies

Once named the “bubble car”, the Isetta turns heads wherever it goes. It gets people’s creative juices flowing, and not just for thinking up nicknames. BASF has created a unique “MySetta” show car based on a 1958 BMW Isetta 250. The MySetta is a two-seater that you enter through the front. Innovative BASF products were used to give the car a modern...

Company name: BASF
Published On: Friday September 13th, 2013

General Plastics to Exhibit at the International Boat Builders Exhibition and Conference (IBEX)...

General Plastics Manufacturing Company is participating in the 2013 International Boat builders Exhibition and Conference (IBEX) taking place September 17-19 in Louisville, Kentucky, USA. The world’s leading technical boat-building showcase, this event focuses on innovative products and processes, education, and accelerating new product...

Company name: General Plastics
Published On: Monday September 16th, 2013

Unique Bicomponent Sole in New Shoes from Swedish Arbesko

The Swedish safety and occupational footwear manufacturer Arbesko has developed a brand new sole, SoftGrip , and introduces it in four new models. The sole is a bicomponent sole and provides extremely good grip but is yet soft and comfortable. Two of the new models also have sides of a ventilating polyamide net, which literally lets you see right...

Company name: Arbesko
Published On: Monday September 09th, 2013

Memory Plastic Reverses Shape 250 Times

A new material developed by researchers at the German Institute of Biomaterial Science can change its shape and return to the original one 250 times, something new in the world of temperature-controlled shape memory plastics.The basic definition of shape-memory plastics is that they can be temporarily changed and fixed into another form, then...

Company name: Institute of Biomaterial Science
Published On: Monday September 16th, 2013

HMG Paints announce opening of new application training facility

HMG Paints Ltd has announced the opening of a new innovation, development and application training centre at their main site in Manchester.As the UK’s largest independent industrial coatings manufacturer, HMG Paints Ltd has always been committed to education and development. This state of the art facility will provide another resource to offer...

Company name: HMG Paints
Published On: Thursday September 12th, 2013

Foam Factory Gives Customers a Helping Hand with Cushion Replacement Projects

Striving to offer their customers the best products and service, whether they’re buying raw polyurethane foam sheets for DIY projects, or want new cushions cut and sent right to their doorstep, Foam Factory has created an online tutorial to help customers order replacement cushions online.With their new How-To on properly measuring for cushion...

Company name: Foam Factory
Published On: Thursday September 12th, 2013

OSV Technologiya successfully held technical seminar "Watermelon Festival 2013"

Last Friday, on the 6th of September OSV Technologiya successfully held the international technical seminar "Watermelon Festival 2013" with more than 60 participants from Ukraine, Russia, Belarus, Germany.During the seminar there were demonstrated in operation new OSV equipment - high pressure machine OSV H40, low pressure machine OSV L60, compact...

Company name: OSV Technologiya
Published On: Wednesday September 11th, 2013

Momentive will continue to grow in India, to invest in people and assets says Tony Lanchak

On August 26, 2013, Momentive Performance Materials Inc, a global leader in silicones and advanced materials, announced its plans to shift polyurethane (PU) additives headquarters to China and increase global manufacturing capacity. With these investments, the company aims to have an integrated global network to aid in capacity, speed and service,...

Company name: Momentive Performance Materials
Published On: Wednesday September 11th, 2013

Wanhua Chemical to exhibit at PU China 2013

The Wanhua Chemical Group Co., Ltd., formerly called Yantai Wanhua Polyurethanes Co., Ltd., one of Asia Pacific’s largest PU producers, will exhibit at PU China 2013 in Nanjing, China.Wanhua Chemical will present its innovation achievements on PU raw materials and applications, including competitive products such as MDI, TPU, polyols, etc., and...

Company name: Wanhua Chemicals
Published On: Thursday September 12th, 2013

Thomas Lambach replaces Dr. Stefan Vollmuth as the head of ISL management

With effect from 1 September 2013, Thomas Lambach has taken over the management of ISL-Chemie GmbH & Co. KG. As an industry expert with international sales and marketing experience, he will guide the fate of the Kürten-based manufacturer of colour pastes and lacquers for the plastics and lacquer industry in future.Thomas Lambach holds a degree in...

Company name: ISL-Chemie
Published On: Wednesday September 11th, 2013

Sika appoints new Chief Technology Manager

Sika has appointed Thomas Hasler as its new Chief Technology Officer and a Member of Group Management effective January 1, 2014. He succeeds Urs Mäder, who has decided to step down from the role. Thomas Hasler joined Sika in 1989, starting his career as a chemist working in sealing and bonding. In 1995 he moved to the business segment Automotive,...

Company name: Sika AG
Published On: Tuesday September 10th, 2013

Hyperbranched oligomeric phosphonates and compositions including the same

Disclosed are oligomeric phosphonates, and in particular, hyperbranched oligophosphonates, that include oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These...

Company name: FRX Polymers
Published On: Thursday September 12th, 2013

Monohydroxy cyclic phosphonate substantially free of polyhydroxy phosphonate, process for making...

A monohydroxy cyclic phosphonate substantially free of polyhydroxy phosphonate is employed as a reactive flame retardant in flexible polyurethane.

Company name: ICL-IP America
Published On: Thursday September 12th, 2013

Cross-linking agents containing isocyanate groups for nitrile rubbers

By the use of special cross-linkers that contain at least two isocyanate groups, hydroxyl group-containing optionally hydrogenated nitrile rubber polymers can be successfully cross-linked. Preferred cross-linkers contain allophanate, biuret, uretdione, uretonimine, bridged carbamate, carbodiimide, isocyanurate, iminooxadiazinedione or...

Company name: Lanxess AG
Published On: Friday September 13th, 2013

Amines having secondary aliphatic amino groups

The present invention relates to novel amides having secondary amino groups, a process for preparing them, adducts of these amines and their uses. The amides can be prepared in a simple way from readily available starting materials. They and their adducts have, in particular, a low viscosity and are suitable as constituent of polyurethane and...

Company name: Sika Technology AG
Published On: Friday September 13th, 2013

Precise control of molecular weight and chain shape control in carbon dioxide/epoxide alternating...

This invention relates to a method of preparing poly(alkylene carbonate) that has a molecular weight and polymer chain structure precisely controlled by adding a chain transfer agent composed of a compound having an alcohol or carboxylic acid functional group upon alternating copolymerization of an epoxide compound and carbon dioxide using a...

Company name: SK innovation
Published On: Thursday September 12th, 2013

Polyether polyol composition and use thereof

A polyether polyol composition comprising: a polyether polyol, a phosphoric acid compound selected from the group consisting of at least one of orthophosphoric acid, polyphosphoric acid, polymetaphosphoric acid, and partial esters thereof in an amount raning from 0.5 to 100 ppm based on the polyether polyol metals derived from a composite metal...

Company name: Asahi Glass Co Ltd
Published On: Thursday September 12th, 2013

Elastic material for pressure measurement and pressure measuring device

An elastic material for pressure measurement, containing an elastic resin composition having at least either a urethane bond or a urea bond and being obtained by reacting an isocyanate with (A) a linear polyol and then curing the obtained prepolymer with use of a curing agent having two --NH.sub.2 groups in one molecule.

Company name: Fujifilm
Published On: Thursday September 12th, 2013

Lignite-based foundry resins

Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable...

Company name: Amcol International
Published On: Friday September 13th, 2013

Packing material for liquid chromatography and process for separation and purification of biopolymer...

A packing material for liquid chromatography capable of separating and purifying, or collecting and recovering, a biopolymer such as a protein or a peptide by adsorption and desorption by a pH change without being influenced by the isoelectric point of the protein or by the salt concentration in a solvent in which the biopolymer such as the protein...

Company name: Tosoh Corporation
Published On: Thursday September 12th, 2013

Method for producing flexible polyurethane foams

The present invention relates to a method for producing flexible polyurethane foams, wherein a polyol component which comprises polyricinoleic acid esters is used as starting substance. The flexible polyurethane foams according to the invention have a bulk density according to DIN EN ISO 3386-1-98 in the range of .gtoreq.10 kg/m.sup.3 to...

Company name: Bayer Intellectual Property
Published On: Thursday September 12th, 2013

Method of producing a flexible polyurethane foam article

A flexible polyurethane foam article exhibiting flame resistance comprises the reaction product of an isocyanate and an isocyanate-reactive component comprising a polyol reactive with the isocyanate. The isocyanate and the isocyanate-reactive component are reacted in the presence of a blowing agent and a phospholene oxide. A method of producing the...

Company name: BASF SE
Published On: Friday September 13th, 2013

Water-blown rigid foams for the insulation of liquefied natural gas tanks

The present invention relates to a rigid polyurethane foam comprising reinforcing materials which can be obtained by mixing (a) isocyanates which have a viscosity at C. of less than 500 mPas with (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and, if appropriate, (e)...

Company name: BASF SE
Published On: Thursday September 12th, 2013

Adhesive sheet for protecting coating film

To provide an adhesive sheet for protecting coating films which is excellent in the adhesion between a coating layer and a composite film, and has weather resistance. The adhesive sheet for protecting coating films is one comprising a base layer and an adhesive layer, and the base layer has a coating layer produced by using the fluoroethylene vinyl...

Company name: Nitto Denko Corporation
Published On: Thursday September 12th, 2013

Curable compositions containing isocyanate functional components having improved durability

A composition comprising: a) one or more isocyanate functional prepolymers; b) one or more catalysts for the reaction of isocyanate moieties with hydroxyl groups;c) one or more reinforcing fillers; and d) a stabilizing amount of one or more compounds comprising a dihydrocarbyl hydroxylamine, an alicyclic hydroxylamine, a nitrile oxide of a...

Company name: Dow Global Technologies Inc
Published On: Friday September 13th, 2013

Methods to produce keratin elastomer

Methods to produce keratin elastomer, involving: (A)(1) reacting a diisocyanate with a blocking agent to form a diisocyanate with one --NCO group blocked by the blocking agent and one --NCO group unblocked, (2) reacting the diisocyanate with one --NCO group blocked by the blocking agent and one --NCO group unblocked with keratin at about...

Company name: The United States of America, as represented by the Secretary of Agriculture
Published On: Thursday September 12th, 2013

Thermoplastic polyurethanes and their use

This invention concerns thermoplastic polyurethane mouldings with improved surface resistance (resistance to writing and scratching) and very good technical processability as well as their use.

Company name: Bayer MaterialScience AG
Published On: Thursday September 12th, 2013

Synthetic polyurethane composite

Embodiments of the present inventions comprise composites of polyurethane(s), osteoconductive matrix, and, optionally, a growth factor. Embodiments further comprise methods of making such composite and uses thereof. The osteoconductive matrix can be a tricalcium phosphate, bioglass, or the like, and can include particles that are surface modified....

Company name: Vanderbilt University
Published On: Friday September 13th, 2013

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:
Published On: Friday September 13th, 2013

Golf ball incorporating thermoplastic polyurethane

A rebound resilient golf ball having an core layer or layers with one or more cores, a scuff resistant cover of thermoplastic polyurethane surrounding the core layer or layers, and optionally a mantle layer positioned between the cover and the core layer or layers. The cover is made from a dendritic thermoplastic polyurethane that includes an...

Company name: Nike
Published On: Thursday September 12th, 2013

Polyurethanes for osteoimplants

Biological-based polyurethanes and methods of making the same. The polyurethanes are formed by reacting a biodegradable polyisocyanate (such as lysine diisocyanate) with an optionally hydroxylated biomolecule to form polyurethane. The polymers formed may be combined with ceramic and/or bone particles to form a composite, which may be used as an...

Company name: Warsaw Orthopedic
Published On: Friday September 13th, 2013

Method for bathing vessel having wood-containing base board

A method of manufacturing a bathing vessel includes forming a base by contacting an incompletely cured polyurethane material with a wood-containing composite panel. The polyurethane material is then cured while in contact with the wood-containing composite panel to chemically bond the polyurethane material with the panel. At least one wall is then...

Company name: Masco Bath
Published On: Friday September 13th, 2013

Material for shoe upper

Described are materials for a shoe upper, in particular for soccer shoes, with a particularly low weight. The material includes an inner polyurethane layer, an outer polyurethane layer, and a textile reinforcing layer. The textile reinforcing layer is arranged between the inner polyurethane layer and the outer polyurethane layer. The inner...

Company name: Adidas
Published On: Friday September 13th, 2013

Use of substituted ureas or urethanes for further improvement of the cold flow properties of mineral...

The use of substituted monoureas, diureas, polyureas, monourethanes, bisurethanes or polyurethanes of the formula R.sup.1X--CO--NR.sup.3R.sup.4 in which X is R.sup.2N or O and R.sup.1 to R.sup.4 are each independently hydrogen, alkyl radicals, alkenyl radicals, cycloalkyl radicals, aryl radicals or arylalkyl radicals, where at least one variable...

Company name: BASF SE
Published On: Friday September 13th, 2013

Method for manufacture of 2-oxoimidazolidines

A method for the manufacture of 2-oxoimidazolidines comprising the steps of converting an isocyanate and an amine to a urea, and then performing a ring closure of the urea to yield the 2-oxoimidazolidine is disclosed. The 2-oxoimidazolidines produced may then be used in the production of Pramiconazole and other structurally related compounds.

Company name:
Published On: Friday September 13th, 2013

Properties and phase segregation of crosslinked PCL‐based polyurethanes

Polyurethane (PU) films were prepared from different types of poly(ε-caprolactone) glycols and hexamethylene diisocyanate without using any other ingredients such as solvent, catalyst, or chain extender. Polymers were stabilized by crosslinking formed as allophanate and/or biuret linkages during the curing process. The effects of different...

Company name: Middle East Technical University
Published On: Monday September 16th, 2013

Synthesis of Self‐Crosslinkable Water‐Borne Pressure Sensitive Adhesives

Self-crosslinkable acrylic pressure-sensitive adhesives (PSAs) functionalized with 3-isopropenyl-α,α-dimethylbenzyl isocyanate (TMI) are prepared by starved, seeded semi-batch emulsion polymerization. n-Dodecanethiol is used as a chain transfer agent (CTA) and EF-800 as an anionic surfactant. A three-level factorial design (32) is...

Company name: University of Ottawa
Published On: Monday September 16th, 2013

Synthesis and properties of block and graft waterborne polyurethane modified with...

In this study, α,ω-bis(3-(1-methoxy-2-hydroxypropoxy)propyl)polydimethylsiloxane and α-N,N-dihydroxyethylaminopropyl-ω-butylpolydimethylsiloxane were used to prepare block and graft waterborne polyureathane–polysiloxane copolymer dispersions. α,ω-bis(3-(1-methoxy-2-hydroxypropoxy)propyl)polydimethylsiloxane was...

Company name: New Material Institute of Shandong Academy of Sciences
Published On: Monday September 16th, 2013

Physical and surface properties of polyurethane hydrogels in relation with their chemical structure

Polyethylene glycol (PEG)/castor oil (CO)-based polyurethanes were prepared by one-shot bulk polymerization method with the potential for biomedical applications. Hexamethylene diisocyanate and 1,4-buthane diol were used as diisocyanate component and chain extender, respectively. Polyurethanes were prepared (1) with crosslinker and catalyst, (2)...

Company name: Istanbul Technical University
Published On: Monday September 16th, 2013

Polymer regenerates all by itself

Scientists report the first self-healing thermoset elastomer that requires no intervention to induce its repair.Self-healing polymers mend themselves by reforming broken cross-linking bonds. However, the cross-linking healing mechanism usually requires an external stimulus.Triggers to promote bond repair include energy inputs, such as heat or...

Company name: IK4-CIDETEC
Published On: Friday September 13th, 2013

Propylene carbonate as a source of carbonate units in the synthesis of elastomeric...

The synthesis of oligocarbonate diols from propylene carbonate (PC) and α,ω-diols with hydrocarbon chain of various length is presented and discussed. Syntheses with different catalysts and molar ratio of the reactants were performed. Novel method of the synthesis of oligo(ester–carbonate) diols based on PC, dimethyl succinate, adipate or...

Company name: Warsaw University of Technology
Published On: Monday September 16th, 2013

Minute amounts of organically modified montmorillonite improve the properties of...

We discovered that polyisobutylene (PIB)-based polyurethanes (PIB-PUs) containing minute amounts (0.5%) of chemically bound organically modified montmorillonite (OmMMT) surprisingly produce films exhibiting improved properties. The OmMMT was prepared by reacting sodium montmorillonite (Na+MMT−) with quaternary ammonium salts of a tertiary...

Company name: Bogazici University
Published On: Monday September 16th, 2013


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

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