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    PU2PU
  Issue-630 - October 31, 2016   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> BLOWING AGENTS
SES Foam Launches Wall Insulation Featuring Honeywell's Low-Global-Warming Material

Honeywell announced today that SES Foam, a leader in bio-based foam technology, has transitioned to Honeywell's ultra-low global-warming-potential (GWP) material for wall insulation, with roofing systems to follow.SES has introduced new 2.0 closed-cell spray polyurethane foam (ccSPF) formulated with Honeywell's Solstice Liquid Blowing Agent (LBA)...

Company name: Honeywell
Published On: Tuesday October 25th, 2016

 
Natural Polymers to use Opteon 1100 in new spray foam formulations

The Chemours Company announced that Natural Polymers LLC has chosen Opteon 1100 foam blowing agent for use in its new line of low global warming potential (GWP) spray foam insulation solutions. According to Chemours, Opteon 1100 will enable Natural Polymers to develop formulations with superior insulation improvement as well as lower environmental...

Company name: The Chemours Company
Published On: Wednesday October 26th, 2016

 
PU RAW MATERIALS>> ISOCYANATES
Covestro: Force majeure on PU raw materials MDI and TDI remains in effect

Covestro announced that due to an unforeseen production outage at a supplier of nitric acid, its European production facilities for the isocyanates MDI and TDI can currently only be operated at reduced capacity. The company therefore declared force majeure on 6 October 2016.Covestro says is unable to fully compensate for the missing quantities of...

Company name: Covestro
Published On: Tuesday October 25th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> RAY-CURABLE/PHOTOSENSITIVE
Allnex invests in a capacity expansion for its UV/EB acrylated products

Allnex, the global leading supplier of resins for architectural, industrial, OEM and special purpose coatings, announced today an important investment for its Radcure Business Unit at its Drogenbos (Belgium) manufacturing site.The investment will increase by 12.000 tons the production capacity for UV/EB curable acrylates.The project, aiming at full...

Company name: Allnex
Published On: Tuesday October 25th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> ELECTRO CASTING RESINS
RAMPF presents electro casting resins with excellent thermomechanical properties

New high-performance products: At ELECTRONICA 2016 in Munich, RAMPF POLYMER SOLUTIONS is presenting its new portfolio of polyurethane electro casting resins with excellent thermomechanical properties. The company will also be featuring extremely clear adhesives for the optical bonding of displays.RAMPF Polymer Solutions is represented on the market...

Company name: RAMPF-Gruppe
Published On: Tuesday October 25th, 2016

 
CASE>> COATINGS
The Coatings Summit 2017

Senior coatings executives will connect from January 18 -20, 2017 for the most prestigious forum of the industry in Shanghai, China.Coatings leaders will have a unique opportunity to network in a very exclusive and truly global context: For the first time in history, The Coatings Summit will be taking place in Shanghai, China. Senior executives...

Company name: The Coatings Summit 2017
Published On: Thursday October 27th, 2016

 
Axalta Unveils New Brand Identity for its Imron Polyurethane line of coatings for Commercial...

Axalta Coating Systems, a leading global supplier of liquid and powder coatings, has introduced a new logo and brand identity for its iconic Imron brand of polyurethane coatings and sustainable Imron solutions that are available to China's commercial vehicle manufacturers. More than 80 leading commercial vehicle manufacturing companies whose...

Company name: Axalta Coating Systems
Published On: Friday October 28th, 2016

 
Polyurethane coatings: Turning theory into solutions

The latest developments and new innovations in polyurethanes coatings will be presented at the European Coatings Technology Forum on November 22-23 in Berlin, Germany. Moreover, it's not simply an ordinary conference - at the brand-new format you will not only hear about new developments in polyurethane coatings, but you will also see how they can...

Company name: EC Technology Forum - Polyurethane Coatings
Published On: Sunday October 30th, 2016

 
CASE>> COATINGS>> FLOORING
Quick Curing Flooring System From a.b.e. Eliminates Costly Downtime

a.b.e. Construction Chemicals' range of flooring products has been expanded with the local distribution rights for the VIP QuickFloor system that can cure in less than an hour to enable flooring contractors to provide new flooring overnight or even faster.The rapid curing eliminates costly downtime for users of industrial and commercial floors,...

Company name: a.b.e Construction Chemicals
Published On: Tuesday October 25th, 2016

 
SPARTACOTE FLEX PURE Concrete Coatings - Perfect for new construction in residential garages

SPARTACOTE Flex PURE Concrete Coatings by LATICRETE offer homeowners incredible durability, excellent impact and wear resistance, and fast return to service. PURE concrete coatings are very low VOC, emitting minimal application odor, making them ideal for new construction or indoor applications, such as garages, hallways, bathrooms and...

Company name: HP Spartacote
Published On: Wednesday October 26th, 2016

 
CASE>> ADHESIVES
AdvanTech Subfloor Adhesive Now Available in North Carolina

Builders and remodelers in North Carolina have a new way to help protect against job delays and callbacks for squeaky subfloors. Huber Engineered Woods LLC, a leading manufacturer of innovative building solutions, announced today that Advantech subfloor adhesive - which was introduced throughout New England and New York at the NAHB International...

Company name: Huber Engineered Woods
Published On: Wednesday October 26th, 2016

 
CASE>> ELASTOMERS>> TPU
Huntsman TPU Team Set to Connect with Wire & Cable Manufacturers at K 2016

This October, global chemical company Huntsman will be at K 2016, promoting the benefits of halogen-free, thermoplastic polyurethane (TPU) in the creation of high quality cables, which keep us connected at home, at work and on the move. During K 2016, Huntsman will showcase a number of IROGRAN TPUs, developed specifically for the wire and cable...

Company name: Huntsman Polyurethanes
Published On: Tuesday October 25th, 2016

 
Huntsman TPU Materials for Machines on the Move

Equipment manufacturers, producing automated systems for use in smart factories, should visit Huntsman's stand at K2016, where the business will be promoting a range of TPU cabling materials that are ideal for use in machines that are on the move.Industry 4.0 - the fourth industrial revolution - is changing the way that things are made. Around the...

Company name: Huntsman Polyurethanes
Published On: Tuesday October 25th, 2016

 
FINISHED PRODUCTS>> CONSTRUCTING
BASF works with Chinese partners to develop passive house market

At the 3rd China Passive Building Development Summit, BASF's Industry Team Construction China, material experts and architectural designers shared the latest developments of the world's tallest passive house in Tianjin and latest trends of insulation materials.The summit is hosted by China Association of Building Energy Efficiency. As a...

Company name: BASF
Published On: Sunday October 30th, 2016

 
FINISHED PRODUCTS>> CONSTRUCTING>> THERMAL INSULATION
Kingspan releases details guidance for lower lambda Cavity wall insulation

Kingspan Insulation is helping specifiers and installers to close the performance gap with a new technical guidance series, providing standard details for Kingspan Kooltherm K106 Cavity Board. The first document in the series is now available for download, covering applications of 90 mm Kingspan Kooltherm K106 Cavity Board within a 100 mm wall...

Company name: Kingspan
Published On: Thursday October 27th, 2016

 
Updated Technical Bulletin Explains How Polyiso Can Help to Gain Credits in LEED Rating Categories

Updated technical bulletin explains how Polyiso can help to gain credits in 3 of LEED's 6 rating categoriesThe LEED Rating SystemIn the early 1990s, the United States Green Building Council (USGBC) developed the Leadership in Energy and Environmental Design (LEED)Rating System as a model for green building performance and assessment. The LEED...

Company name: The Polyisocyanurate Insulation Manufacturers Association
Published On: Sunday October 30th, 2016

 
FINISHED PRODUCTS>> AERONAUTIC / AEROSPACE
General Plastics to Showcase LAST-A-FOAM Products for Aviation Applications at NBAA's Business...

Leading polyurethane foam supplier will feature its FST/OSU foam core, molded parts and FAA-certified testing capabilitiesTACOMA, Wash., October 24, 2016 - General Plastics Manufacturing Company, supplier of aerospace-grade rigid foam core materials and build-to-print flexible polyurethane foam products, is exhibiting at the NBAA Business Aviation...

Company name: General Plastics
Published On: Tuesday October 25th, 2016

 
INDUSTRY UPDATE
US Huntsman to base pigments spinoff in UK

Huntsman plans to base its pigments spinoff in Stockton-On-Tees, UK, the US-based polyurethanes and epoxy-resins producer said on Friday.The spinoff will include Huntsman's textile-effects business in addition to its pigments business.The site of the headquarters is among the details that Huntsman revealed about the spinoff when it filed a form 10...

Company name: Huntsman International LLC
Published On: Sunday October 30th, 2016

 
Update: Fire at the North Harbor in Ludwigshafen

On Monday, October 17, 2016, there was an explosion and subsequent fires at the North Harbor in Ludwigshafen. "We mourn two colleagues from the fire department and the seaman who died in the fire. Our deepest sympathy is with their families and friends. Many people were injured, some of them severely. Our thoughts are with them and their families...

Company name: BASF
Published On: Friday October 28th, 2016

 
PMC Celebrates Partnership and Pride

Polyurethane Machinery Corporation (PMC) knows how to throw a celebration! PMC recently invited all of their partners from around the world to a Global Distributor Meeting. The meeting had two core themes - partnership and pride. The meeting took place at the newly upgraded PMC facility in Lakewood, NJ. Guests from around the world rolled up their...

Company name: Polyurethane Machinery
Published On: Tuesday October 25th, 2016

 
Polyurethane Foam expands with new ownership

Jim Ives bought an existing and established business in Minocqua less than a year ago and he is already putting his own spin on it.Ives, a construction worker and carpenter since high school, bought Polyurethane Foam Insulation, LLC in February and is already looking to expand his new business. Polyurethane Foam has been based out of Minocqua for...

Company name: Polyurethane Foam Insulation
Published On: Tuesday October 25th, 2016

 
Covestro continues strong results in third quarter

Materials manufacturer Covestro continued its successful half-year trend in the third quarter of 2016 with high Free Operating Cash Flow and strong earnings. Adjusted EBITDA rose significantly by 21.9% year-on-year to EUR 574 million, mainly driven by higher volumes combined with higher margins. The Group's core volumes (in kilotons) were up by...

Company name: Covestro
Published On: Tuesday October 25th, 2016

 
PEOPLE
APF Eyes Growth with New Hire, Promotion of Industry Veterans to Focus on Business Development

With an eye on expanding its national footprint, Arizona Polymer Flooring (APF) has bolstered its sales team with two industry veterans to help the company develop key relationships within the industry and increase awareness of APF and its suite of products.Paul Scheidmantel has taken on the role of sales director, overseeing the company's business...

Company name: Arizona Polymer Flooring
Published On: Tuesday October 25th, 2016

 
PU Europe General Assembly elects new President and Vice-Presidents for the years 2017 & 2018

The General Assembly of PU Europe, the rigid polyurethane foam insulation federation, took place in Mechelen (Belgium) on 21st October 2016. At the meeting Richard Burnley, Managing Director at Kingspan Insulation Britain & Ireland, was appointed as new President for the years 2017 and 2018. He will be supported by Diane Daems from Huntsman, and...

Company name: PU Europe
Published On: Tuesday October 25th, 2016

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> POLYOLS
Polyurethane (meth) acrylates using modified hydroxythiols

The invention provides intermediates of the formula: ##STR00001## as well as a method of their preparation by reacting a thiol having at least two hydroxyl groups with a mono-unsaturated organic compound in the presence of a base catalyst. A polymerizable urethane acrylate oligomer or urethane methacrylate oligomer is formed by reacting a...

Company name: Dymax Oligomers and Coatings
Published On: Saturday October 29th, 2016

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Methods of making triacylglycerol polyols from fractions of metathesized natural oils and uses...

Polyols derived from palm oil fractions of metathesized triacylglycerols, and their related physical properties are disclosed. Such metathesized triacylglycerol polyols are also used as a component of polyurethane applications, including polyurethane foams.

Company name: Trent University
Published On: Friday October 28th, 2016

 
PU RAW MATERIALS>> ISOCYANATES>> POLYISOCYANATES
Method for preparing biuret polyisocyanate

A method for continuously preparing biuret polyisocyanate, comprising: a mixed solution of a diisocyanate and a catalyst with water vapour, in an aerosol form, are continuously reacted in a first reactor; the product obtained therefrom is brought into a second reactor for a further reaction; a tail gas from the second reactor is condensed and...

Company name: Wanhua Chemicals
Published On: Friday October 28th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOSETS
Biobased cyclic carbonate functional resins and polyurethane thermosets therefrom

The invention relates to a resin having a plurality of cyclic carbonate groups comprising the reaction product of: a) an epoxidized sucrose fatty acid ester resin, and b) carbon dioxide where a) and b) are reacted under conditions sufficient to carbonylate a plurality of the oxirane groups of the epoxidized sucrose fatty acid ester resin, and...

Company name: NDSU Research Foundation
Published On: Thursday October 27th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Aqueous ink-jet inks containing branched polyurethanes as binders

The present disclosure provides novel aqueous ink-jet inks containing an aqueous vehicle, a pigment and a branched polyurethane as a binder.

Company name: E I du Pont de Nemours & Company
Published On: Saturday October 29th, 2016

 
Ink jet ink with high structure pigment particles

An ink jet ink with high structure pigment particles can include a liquid vehicle, high structure pigment particles dispersed in the liquid vehicle at from about 0.2 wt % to about 5.0 wt %, and a polyurethane binder present in the liquid vehicle at from about 0.2 wt % to about 5.0 wt %. The high structure pigment particles can have polymer...

Company name: Hewlett-Packard
Published On: Saturday October 29th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSIONS
Polymer dispersions having nanosized polyurea particles dispersed in a polyether

Dispersions of polyurea particles are made by reacting polyisocyanate compounds and coreactants that include at least one polyamine while dispersed in a base polyether. The polyisocyanate or the polyamine, or both, has a functionality of at least 2. A highly preferred coreactant is an alkylthio-substituted aromatic diamine such as...

Company name: Dow Global Technologies
Published On: Friday October 28th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Bio-based binder system

A bio-based binder system for use in preparing foundry molds. In a preferred embodiment, the system includes the use of a) a polyermizable hydroxyl-containing component comprising a saccharide, b) an isocyanate component, and c) a catalyst, and preferably amine catalyst, component adapted to catalyze the polymerization of a) and b), in the presence...

Company name: University of Northern Iowa Research Foundation
Published On: Thursday October 27th, 2016

 
FOAMS>> RIGID
Composition for forming semi-rigid polyurethane foam

The purpose of the present invention is to provide a composition for forming a semi-rigid polyurethane foam that has low hardness and a resilient feel, has excellent moldability and curability even when made lightweight (made thin), and is suitable for use as an automobile interior material. The present invention is a composition for forming a...

Company name: Sanyo Chemical Industries
Published On: Thursday October 27th, 2016

 
FOAMS>> RIGID>> POLYISOCYANURATE FOAMS
Composition which is suitable for producing polyurethane foams and contains at least one HFO blowing...

The present invention relates to compositions which are suitable for producing polyurethane foams and contain at least one polyol component, at least one blowing agent, a catalyst which catalyzes the formation of a urethane or isocyanurate bond, a silicon-containing foam stabilizer and optionally further additives and optionally an isocyanate...

Company name: Evonik Degussa GmbH
Published On: Thursday October 27th, 2016

 
CASE>> COATINGS
Composition comprising a latex and a HEUR thickener

The present invention relates to a composition comprising stable aqueous dispersion of polymer particles with acorn morphology, a hydrophobically modified ethylene oxide urethane based rheology modifier (HEUR) and a substantial absence of pigment particles with a refractive index in the range of from 2.0 and 3.0. The composition imparts improved...

Company name: Rohm and Haas
Published On: Saturday October 29th, 2016

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Radiation curable compositions

The present invention relates to an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol...

Company name: Allnex
Published On: Saturday October 29th, 2016

 
CASE>> COATINGS>> PAINTS
Aqueous paint composition and method of manufacturing painted article

The first objective of the present invention is to provide an aqueous paint composition that can form a paint film with excellent smoothness, image clarity, adhesion and water resistance. This aqueous paint is characterized in comprising (A) an aqueous dispersion of an acrylic modified polyester resin, (B) a block polyisocyanate compound having a...

Company name: Kansai Paint
Published On: Saturday October 29th, 2016

 
Nanosilicon-based room temperature paints and adhesive coatings

A composite of the invention is a homogenous mixture of room temperature vulcanizing material or polymer and luminescent silicon nanoparticles. The composite can be formed into a film and can serve as a paint, adhesive, or coating, depending upon the material or polymer used. A preferred polymer is polyurethane. A method for forming a silicon...

Company name: Nanosi Advanced Technologies
Published On: Saturday October 29th, 2016

 
CASE>> ADHESIVES
Adhesive containing high solid copolymer polyol polyurethane prepolymer

A high solid copolymer polyol adhesive composition comprising: (A) A polyurethane prepolymer comprising: (1) One or more polyisocyanates; (2) One or more compounds containing on average more than one isocyanate reactive compound; (3) A dispersion triol containing from 10 to 60 percent by weight, based on the weight of the dispersion, of particles...

Company name: Dow Global Technologies Inc
Published On: Thursday October 27th, 2016

 
Adhesive useful for installing vehicle windows

The invention is a composition comprising: a) one or mote isocyanate functional polyether based prepolymers; b) one or more alkyl esters of one or more long chain; fatty acids; and c) one or more catalysts for the reaction of isocyanate moieties with hydroxyl, groups. The invention is s method, of bonding two or more substrates together which...

Company name: Dow Global Technologies
Published On: Saturday October 29th, 2016

 
CASE>> ADHESIVES>> LAMINATES
Adhesive for laminated sheets

An adhesive for laminated sheets comprising a urethane resin obtainable by mixing an acrylic polyol with an isocyanate compound. The acrylic polyol is obtained by polymerizing a mixture including a first monomer having a hydroxyl group and acrylonitrile. The isocyanate compound includes both an isocyanate compound having no aromatic ring and an...

Company name: Henkel
Published On: Thursday October 27th, 2016

 
CASE>> ADHESIVES>> FILM
Multilayered film and method for manufacturing the same

A multi-layer film, including: a substrate film; and an adhesion facilitating layer provided on the substrate film, wherein the adhesion facilitating layer is a cured product of a composition that contains a polyurethane, a crosslinking agent capable of crosslinking the polyurethane, and a nonvolatile base, and the polyurethane has a tensile...

Company name: ZEON
Published On: Friday October 28th, 2016

 
CASE>> ADHESIVES>> WATER-BASED
Waterborne polyurethane adhesive composition and method for bonding articles

The present invention relates to novel waterborne adhesives which are polymerizable by UV light and are capable of being activated by heat, and which particularly display good adhesion to difficult substrates, such as ethylene vinyl acetate copolymers (EVA) with a low vinyl acetate content, or rubber. The invention further provides a novel method...

Company name: Covestro Deutschland
Published On: Saturday October 29th, 2016

 
CASE>> ADHESIVES>> TWO COMPONENTS REACTION ADHESIVES
Primer-less two component polyurethane adhesive

A process of applying an adhesive to an elastomer includes the application to the elastomer of a two part adhesive formulation. The adhesive having a Part A including at least a polyol, an adhesion promoter, a chain extender, a catalyst, a water scavenger; and a Part B comprising: polyurethane prepolymer, adhesion promoter and a plasticizer. The...

Company name: Illinois Tool Works
Published On: Friday October 28th, 2016

 
CASE>> ELASTOMERS>> TPU
Highly resilient thermoplastic polyurethanes

The thermoplastic polyurethane (TPU) compositions described herein have a very good snap back properties (also called rebound resilience) while still maintaining a good combination of other properties, including hardness, low-temperature flexibility, abrasion resistance, weather-ability, low density, or any combination thereof. This combination of...

Company name: Lubrizol Advanced Materials, Inc
Published On: Thursday October 27th, 2016

 
Thermoplastic polyurethane admixtures

The invention relates to admixtures of thermoplastic polyurethane base polymers that resist surface dulling and fluorinated additives and their use in the manufacture of articles, such as medical devices. For example, the admixtures of the invention are useful in the manufacture of blood dwelling medical devices, such as catheters.

Company name: AngioDynamics
Published On: Friday October 28th, 2016

 
CASE>> COMPOSITES
Process for producing composite elements

The invention relates to an improved process for producing composite elements comprising at least one outer layer and at least one isocyanate-based rigid foam layer by means of a fixed applicator apparatus and in which the flowable starting material comprises the following components: A) at least one polyisocyanate, B) at least one compound which...

Company name: BASF SE
Published On: Saturday October 29th, 2016

 
CASE>> COMPOSITES>> FOAMS
Composite material

A composite material has a polymeric upper layer which is connected via at least one adhesive layer to a substrate. The substrate is predominantly or entirely formed by an open-cell polyurethane foam onto which the upper layer, containing between 2 and 12 wt % of polysiloxane, is bonded by an adhesive layer. An intermediate layer or a double layer,...

Company name: Konrad Hornschuch
Published On: Saturday October 29th, 2016

 
FINISHED PRODUCTS>> CONSTRUCTING>> DOOR PANELS
Insulated door panels

Example insulated pliable door panels or curtains include various internal vapor barriers. The vapor barriers have a relatively high water vapor transmission rate that inhibits water vapor from permeating through the door panel. With such vapor barriers, outer sheets of the door panel can be made of polyurethane or other tough materials that might...

Company name:
Published On: Friday October 28th, 2016

 
FINISHED PRODUCTS>> AUTOMOTIVE>> TIRES / TIRES FILLING
Polyurethane filled tires

Polyurethane elastomeric compositions for making tires, methods for making said tires and tires made of said polyurethane elastomers. Said tires are in particular suitable for use as tires for low speed vehicles such as bicycle tires

Company name: Huntsman International LLC
Published On: Friday October 28th, 2016

 
FINISHED PRODUCTS>> PRINTING>> DOCTOR BLADES / CLEANING BLADES
Cleaning blade

In a cleaning blade 1 having an elastic body 11, which is a molded article of a rubber material, the elastic body 11 having at least a surface-treated layer 12 formed at least on an abutting part with an object of contact, the surface-treated layer 12 is formed by impregnating the elastic body 11 with a surface treatment liquid which contains a...

Company name: Synztec
Published On: Thursday October 27th, 2016

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Dyeing of golf clubs

A polymeric portion of a golf club head is formed of a first color and is dyed to a second color with an anionic or nonionic disperse dye. The polymeric portion includes a polymeric material that is selected from the group consisting of polyurethanes, polyureas, polyamides, and combinations thereof, which can be dyed by the anionic or nonionic...

Company name: Nike
Published On: Thursday October 27th, 2016

 
Golf ball material and golf ball using the same

An object of the present invention is to provide a golf ball with improved durability and/or resilience by improving the adhesion between a constituent member comprising an ionomer resin and a constituent member comprising a polyurethane. The present invention provides a golf ball material composed of a multi-block copolymer having a block A that...

Company name: Dunlop Sports
Published On: Saturday October 29th, 2016

 
FINISHED PRODUCTS>> DECORATING AND PROTO.
Method for producing decorative elements, particularly insignia

The method comprises the steps of: preparing a multiple-layer film (10) comprising a first transparent protective layer (12), a second decorative layer (14) containing at least one pigment made of metal having a melting point below 250.degree. C., and a third supporting layer (16) of thermoformable plastic material, at least a portion (13) of the...

Company name: Demak
Published On: Saturday October 29th, 2016

 
FINISHED PRODUCTS>> OPTICAL MATERIALS>> LENS
1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded...

1,4-bis(isocyanatomethyl)cyclohexane contains 70 mol % or more and 95 mol % or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.1 ppm or more and 300 ppm or less of the compound represented by formula (1) below: ##STR00001##

Company name: Mitsui Chemicals
Published On: Saturday October 29th, 2016

 
Polymer for contact lenses

The present invention relates to a polyurethane polymer composition prepared by reacting a mixture comprising: a} at least one polyethylene glycol, and either b) at least one poly-isocyanate, having a functionality greater than 2 or c) at least one di-isocyanate and at least one polyol or at least one macropolyol having a functionality greater than...

Company name: Ocutec
Published On: Saturday October 29th, 2016

 
FINISHED PRODUCTS>> FOOTWEAR
Shoe having an inflatable bladder

An article of footwear including a sole and an upper with an exterior and interior surface, and one or more bladders which comprises at least one of the exterior or interior surfaces of the upper. The bladder comprising sheets of polyurethane or polyester film attached together to form an airtight seal. The article of footwear also includes a...

Company name: Reebok International
Published On: Saturday October 29th, 2016

 
CHEMISTRY
Process for the preparation of urethanes

Urethanes are prepared by oxidative carbonylation of at least one amino compound in the presence of carbon monoxide, oxygen and organic, at least one hydroxyl-group-carrying compound. The carbonylation is carried out in the absence of halogen-containing promoters. The carbonylation is also carried out in the presence of a metal complex catalyst...

Company name: Covestro
Published On: Saturday October 29th, 2016

 
Method for producing formaldehyde-alkyl carbonate-copolymers

The present invention relates to a method for producing formaldehyde-alkylene carbonate copolymers comprising the step of reacting trimeric, oliogomeric and/or polymeric formaldehyde with an alkylene carbonate in the presence of a catalyst. Said invention further relates to copolymers obtainable by this method and the reaction products thereof with...

Company name: Covestro
Published On: Friday October 28th, 2016

 
Method for isolating carbohydrate alkylcarbamates

The invention relates to methods for isolating carbohydrate alkylcarbamates. The invention further relates to the use of solvents for isolating a carbohydrate alkylcarbamate from a reaction mixture. The invention further relates to carbohydrate alkylcarbamate solutions in a solvent containing groups that are reactive with an isocyanate and the use...

Company name: De Neef Chemical Processing
Published On: Friday October 28th, 2016

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Production and characterization of polyurethane foams from a simple mixture of castor oil, crude...

Polyurethane foams from bio-based polyols have been studied to produce sustainable and eco-friendly materials from biomass industrial wastes. Semi-rigid polyurethane foams were synthesized from physical mixtures of kraft lignin, castor oil and residual glycerol. The influence of different lignin contents (10, 12.5, 15, 17.5, 20, 25, 30 and 40%) on...

Company name: Universidade Federal de Minas Gerais
Published On: Thursday October 27th, 2016

 
PU RAW MATERIALS>> ISOCYANATES
Determination of isocyanate groups in the organic intermediates by reaction-based headspace gas...

This work reports on a novel method for the determination of isocyanate groups in the related organic intermediates by a reaction-based headspace gas chromatography. The method is based on measuring the CO2 formed from the reaction between the isocyanate groups in the organic intermediates and water in a closed headspace sample vial at 45DEGC for...

Company name: South China University of Technology
Published On: Thursday October 27th, 2016

 
FOAMS
Statistical evaluation of the effect of formulation on the properties of crude glycerol polyurethane...

In our pursuit of developing ecofriendly materials, the effect of the main components of the formulation used for the preparation of polyurethane foams (PUFs) derived from unrefined crude glycerol (CG) has been systematically studied. A series of PUFs has been prepared using formulations with judicious variations of the percentage of each...

Company name: University of Aveiro
Published On: Thursday October 27th, 2016

 
CASE>> ELASTOMERS>> FILMS
Waterborne POSS-silane-urethane hybrid polymer and the fluorinated films

A feasible co-endcapping strategy has been developed for the synthesis of monofunctional polyhedral oligomeric silsesquioxanes (POSS) modified waterborne polyurethane (WPU). The work starts from the synthesis of di-isocyanate terminated PU prepolymer from isophorone di-isocyanate (IPDI), poly (1,4-butylene adipate) end-capped diol (PBAD), and...

Company name: Beijing University of Chemical Technology
Published On: Thursday October 27th, 2016

 
CASE>> ELASTOMERS>> TPU
Synthesis and characterization of crystallizable aliphatic thermoplastic poly(ester urethane)...

A simple non-isocyanate route is developed for synthesizing crystallizable aliphatic thermoplastic poly(ester urethane) elastomers (TPEURs) with good thermal and mechanical properties. Three prepolymers of 1,6-bis(hydroxyethyloxycarbonylamino) hexane (BHCH), i.e. PrePBHCHs, were prepared through the self-transurethane polycondensation of BHCH. A...

Company name: Beijing University of Chemical Technology
Published On: Thursday October 27th, 2016

 
GELS
Fluorescent poly(n-hexyl isocyanate) triblock terpolymer and its thermoreversible gels

Thermoreversible gels were obtained from the well-defined triblock terpolymer poly(n-hexyl isocyanate)-b-polybutadiene-b-poly(n-hexyl isocyanate) (PHIC-b-PB-b-PHIC). PHIC-b-PB-b-PHIC adopted a helical conformation and exhibited florescence in solution. The gels were prepared in both n-heptane and n-octane. The gelation concentration and temperature...

Company name: Beijing University of Chemical Technology
Published On: Thursday October 27th, 2016

 
 

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