Issue-556 - May 25, 2015   Recommend
Press Releases Patents Technical Papers
CertiPUR-US adds three FR additives to prohibited list

The CertiPUR-US program has added three new flame retardant additives to its prohibited substances list.Flexible polyurethane foams containing dimethyl methylphosphonate (DMMP) CAS# 756-79-6, Tris-(2-chloroethyl)-phosphate (TCEP) CAS #115-96-8, and Tris-(1,3-dichloro-2-propyl)-phosphate (TDCPP) CAS#13674-87-8, will not be eligible for certification...

Company name: CertiPUR-US
Published On: Tuesday May 19th, 2015

Emission-free reactive amine catalyst

The Japanese chemical company Tosoh Corporation has officially launched the new polyurethane amine catalyst Rzeta this spring.According to the company, the first Rzeta shipment from Japan to the EU arrived in May 2015. The reactive amine catalyst is designed for more eco-friendly polyurethane applications and meets "amine emission-free"...

Company name: Tosoh
Published On: Tuesday May 19th, 2015

Manali Petrochemical to increase polyols manufacturing capacity in India

India-based Manali Petrochemical is planning to expand its polyols manufacturing capacity to 150,000t, with an investment of Rs1bn ($15.6m).The expansion, which will be carried out during the next four to five years, will allow the company to meet the increasing demand for polyols and produce additional propylene oxide.As part of the first phase of...

Company name: Manali Petrochemical
Published On: Friday May 22nd, 2015

Methes Energies to Offer Epoxidized Soybean Oil and Natural Polyol

Methes Energies International Ltd., announced today that it will start offering, from its Sombra, Ontario facility, Epoxidized Soybean Oil ("ESO") and Natural Polyol. Both of these bio-based products help address growing global demand for the replacement of non-sustainable products, such as fossil fuel chemicals, across a wide range of industries....

Company name: Methes Energies
Published On: Tuesday May 19th, 2015

Toluene Diisocyanate (TDI) Market Size, Application Analysis, Regional Outlook, Competitive...

Toluene Diisocyanate (TDI) is expected to witness strong growth over the forecast period on account of increasing demand for flexible polyurethane foams. Demand for flexible polyurethane foams is expected to grow on account of its increasing application scope in furniture and transportation as a cushioning material. Growing demand for comfortable...

Company name: Grand View Research
Published On: Friday May 22nd, 2015

Sika Corporation's Retail Group Launches Revolutionary Post Fix

Sika Corporation recently launched Sika Post Fix, a two-part, pre-proportioned polyurethane resin which when mixed produces expanding foam. It has been specifically formulated and packaged to provide a lightweight, mix-in-the-bag, fast-setting and high-strength backfill for wooden, PVC and steel in-ground posts. The Sika Post Fix formulation is...

Company name: Sika Corporation
Published On: Tuesday May 19th, 2015

Improved viscoelastic foam formulations help mattress and furniture OEMs address shifting consumer...

A good mattress is essential for a good night's sleep. Today's consumers want their foam mattresses to offer comfort and quality. Now, consumers and mattress OEMs alike can rest assured that it is indeed possible to achieve these attributes, thanks to new viscoelastic foam formulations developed by Bayer MaterialScience LLC.Flexing its considerable...

Company name: Bayer MaterialScience
Published On: Friday May 22nd, 2015

Fomo Products Celebrates 40 Years as a Leader in Spray Foam, Sealants and Adhesives

Fomo Products, Inc., a member of the FLM Group of Companies, one of the largest manufacturers of low pressure polyurethane foam in pressurized, disposable and refillable packaging is celebrating 40 years of innovation, product solutions and customer service.Established in 1975, the company has set the industry standard with proven products through...

Company name: Fomo Products Inc
Published On: Friday May 22nd, 2015

Sherwin-Williams Aerospace Coatings Adds Bell Helicopter to QPL Product Qualifications Listing

Sherwin-Williams Aerospace Coatings announced that its SKYscapes Basecoat-Clearcoat Polyurethane Enamel has been added to the QPL (Qualified Products List) for Bell Helicopter's Procurement Specification 299-947-117 - Polyurethane Enamels - for potential use on its Bell 525 Relentless commercial aircraft.SKYscapes basecoat-clearcoat provides...

Company name: Sherwin-Williams Aerospace Coatings
Published On: Wednesday May 20th, 2015

ECS 2015: What a show!

What a show! And what a congress! The European Coatings Show and Congress 2015 ended with overwhelming numbers. The dominating theme - sustainability - was discussed everywhere - at exhbitors' booths, during the product presentations, and at the congress. It comes as no surprise that also the prizewinning paper of the European Coatings Award...

Company name:
Published On: Friday May 22nd, 2015

NCFI Spray Foam Insulation Saves Coca-Cola "Spaceship" Money on Lost Product and Energy Costs

A frozen pipe that burst inside a 70,000 sq. ft. Kentucky Coca-Cola distribution facility recently brought the office to a screeching halt. Even worse than the water damage was the discovery of mold growing in the batt insulation surrounding the pipe due to condensation between the ceiling and the roof from vented soffits. Though the mold had no...

Company name: NCFI Polyurethanes
Published On: Tuesday May 19th, 2015

Global Efficient Energy Announces Strategic Alliance with Leading Spray Foam Manufacturer Icynene

Abe Issa, CEO and Founder of Global Efficient Energy LLC, a green energy solutions provider, one of the nation's fastest growing privately held providers of green energy for homeowners, announced a strategic alliance with Icynene, the leading spray foam insulation manufacturer. A high-performance insulating and air barrier material, Icynene spray...

Company name: Icynene
Published On: Tuesday May 19th, 2015

GacoOnePass Just Got Better!!!

Gaco Western's GacoOnePass is the only Closed Cell Foam in the industry that can be installed up to 4 inches IN A SINGLE PASS -- and it has now passed Appendix X without a coating! Contractors nationwide already love GacoOnePass because it is very user friendly and easy to install, and they appreciate how it sprays flat and provides a much smoother...

Company name: Gaco Western
Published On: Friday May 22nd, 2015

Wanhua Chemical Showcases Innovative TPU and SAP Products at Feiplastic 2015

Feiplastic2015 - the biggest plastics & rubber trade show in South America held from 4th to 8th of May, 2015, in Sao Paulo, Brazil. During the show, there are more than 400 visitors communicate with us about Wanthane TPU and Wanice SAP products, they are from all over south Americas, such as Brazil, Argentina, Chile, Peru etc.At Feiplastic, Wanhua...

Company name: Yantai Wanhua
Published On: Tuesday May 19th, 2015

Compression Spray Molding - A strong light-weight solution

FRIMO is one of the leading equipment and tool suppliers for all-round solutions in the field of composite applications. These include all common reinforcement fibers in conjunction with thermoplastic and thermoset matrices. In February 2015 FRIMO North America won a key project to deliver the production line for a new upper middle class SUV load...

Company name: Frimo
Published On: Friday May 22nd, 2015

Brighter living space

Leading roof window manufacturer VELUX is committed to bringing daylight, fresh air, design aesthetic and energy efficiency into the home.White polyurethane is one of the most popular product finishes from VELUX and ideal for homeowners looking to give their house a modern, fresh feel. The finish is perfect for contemporary interiors and its low...

Company name: Velux
Published On: Wednesday May 20th, 2015

Alpha Wire Introduces EcoFlex PUR

The new EcoFlex PUR continuous flex cables from Alpha Wire feature reduced size and weight and zero halogen construction in a rugged, oil-resistant cable for continuous flex applications.The new EcoFlex PUR continuous flex cables from Alpha Wire feature reduced size and weight and zero halogen construction in a rugged, oil-resistant cable for...

Company name: Alpha Wire
Published On: Wednesday May 20th, 2015

Multotec Punts Preventative Maintenance for Longevity of Trommel Screens

Preventative maintenance is essential to ensure the longevity of trommel screens. "Multotec has had trommel screens running for over ten years that are still operational," Anthony Yell, screening product manager, says. Customers can return trommel screens for refurbishment. The rubber lining is stripped off the steel structure, visually inspected...

Company name: Multotec
Published On: Friday May 22nd, 2015

TIELLE Non Adhesive Foam Dressing Now Available from Acelity

Acelity, a global wound care and regenerative medicine company, today announced that TIELLE Non Adhesive, a new and improved foam dressing, is now available in Europe. TIELLE Non Adhesive is the first in an enhanced range of TIELLE hydropolymer foam dressings incorporating new design and materials to better meet patient needs and help provide a...

Company name: Systagenix Wound Management
Published On: Tuesday May 19th, 2015

Lightweight Polyurethane Woodworking Hose to Prevent Static

Flexaust introduces a new, clear and lightweight, static dissipative polyurethane hose that can replace heavier PVC and polyethylene conductive hoses in many fume and dust collection applications.Flexaust Flx-Thane LD-SD Static Dissipative Polyurethane Hose is clear, highly flexible, and compressible, making it ideally suited for a wide range of...

Company name: Flexaust
Published On: Friday May 22nd, 2015

Xerium Introduces Blue Diamond Advanced Polyurethane Roll Cover Technology

Xerium Technologies, Inc., a leading global provider of industrial consumable products and services, recently launched Blue Diamond, a new generation of advanced polyurethane roll cover technology for superior performance on the harshest of press nip conditions. Blue Diamond roll covers are specifically engineered to deliver exceptional stability...

Company name: Xerium Technologies, Inc
Published On: Friday May 22nd, 2015

One Step Ahead in Casablanca!

After Tanzania and Dubai last year, One Step Ahead is taking place in Casablanca, Morocco. On May 27, more than 70 participants from the entire value chain (distributors, logistics, machinery, etc…) will meet under the Moroccan sun and learn more about standards in the loading, unloading, storage and use of diisocyanates and polyols. Since 1998,...

Company name: ISOPA
Published On: Monday May 25th, 2015

Croda Continues Support of RSPO European Roundtable Event

May 2015: Croda, a global specialty chemical company, is once again proud to sponsor the Roundtable on Sustainable Palm Oil (RSPO) Event "100% CSPO in Europe by 2020" taking place in Schiphol, Amsterdam on 3 June 2015. In addition to sponsoring the event, Croda's Vice President Global Accounts, Chris Sayner, will be taking part in a panel debate to...

Company name: Croda
Published On: Monday May 25th, 2015

Swedish firm plans could create jobs bonanza with huge Retford factory

Retford has been given a major jobs boost after a global engineering company announced plans to build a new factory in Hallcroft.Swedish polymer technology firm Trelleborg AB has submitted a planning application for a 1.97-hectare industrial unit at Trinity Park, off Randall Way.The multinational giant already has a site on West Carr Road, and...

Company name: Trelleborg PPL
Published On: Friday May 22nd, 2015

Kingspan Group plc. completes acquisition of Vicwest Inc.

Vicwest Building Products is very pleased to confirm that Kingspan Group plc. ( have now completed the acquisition of Vicwest Inc.Effective immediately Vicwest Building Products will be operated as an autonomous independent business within the Kingspan Group, within the Vicwest Building Products business, you will continue...

Company name: Vicwest
Published On: Friday May 22nd, 2015

Fomo Products Receives 2015 Ohio Excellence Award

Fomo Products, Inc. is proud to announce they have been recognized as a 2015 Ohio Excellence Award recipient for Excellence in Consumer Solutions by the U.S. Commerce & Trade Research Institute (USCTRI). Each year, USCTRI conducts and oversees an annual survey on various industries and determines which companies meet and exceed industry...

Company name: Fomo Products Inc
Published On: Friday May 22nd, 2015

Foam makers to pay $275.5m to settle US price-fixing suit

Mohawk Industries Inc. and five other companies have agreed to pay a combined $275.5 million to settle lawsuits accusing them of conspiring to fix prices of polyurethane foam.Purchasers of the foam on Tuesday asked U.S. District Judge Jack Zouhary in Toledo to approve the preliminary settlements, which, combined with earlier accords, would boost...

Company name:
Published On: Wednesday May 20th, 2015

India Will Become The World Leader In The Plastics Industry To The Next Decade

Many industries in India, the development of the plastics industry is still quite impressive, even though India's per capita is less than the level of use of plastics in China and other emerging countries in Asia, half of it is far behind the world average. However, with the Indian plastics consumption doubling every year, and more than 35 pounds...

Company name: Modern Plastics India Magazine
Published On: Tuesday May 19th, 2015

Rhino Linings Corporation Acquires Arnthane Incorporated

Rhino Linings Corporation, a leader in the protective coatings and linings industry is excited to announce the acquisition of Arnthane Incorporated. Arnthane, based in Richmond, Missouri, manufactures spray foam, polyurea, epoxy and urethane coatings. Much like Rhino Linings has done in the protective coatings and linings industry, Arnthane has...

Company name: Arnthane
Published On: Tuesday May 19th, 2015

Evonik joins BRUFMA

BRUFMA is delighted to welcome Evonik into membership. Evonik are global leaders in polyurethane additive technologies providing additives which enhance the comfort and insulation of polyurethane foams in a wide variety of applications.Andy Beaman, Business Manager for Evonik in the UK and Ireland said "We are really pleased to be joining BRUFMA...

Company name: The British Rigid Urethane Foam Manufacturers Association
Published On: Tuesday May 19th, 2015

BioAmber's Babette Pettersen to speak at BIO-TIC Final Conference

From Bugs to Business: Unlocking the Bioeconomy in Europe, June 23, 2015, BrusselsBioAmber Chief Commercial Officer, Babette Pettersen, will be leading the day's discussions on bio-based chemicals for an alternative future.This event is the final conference of the BIO-TIC project, a Commission-funded Coordination and Support Action dedicated to...

Company name: BIO-TIC Conference
Published On: Friday May 22nd, 2015

Polyurethanes made with copper catalysts

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one...

Company name: Dow Global Technologies
Published On: Friday May 22nd, 2015

Process for the in situ production of polyether polyols based on renewable materials and their use...

A polyether polyol based on renewable materials is obtained by the in situ production of a polyether from a hydroxyl group-containing vegetable oil, at least one alkylene oxide and a low molecular weight polyol having at least 2 hydroxyl groups. The polyol is produced by introducing the hydroxyl group-containing vegetable oil, a catalyst and an...

Company name: Bayer MaterialScience
Published On: Friday May 22nd, 2015

Process for producing polyisocyanate

A method for producing a polyisocyanate includes a purification step of purifying an unpurified polyisocyanate, the purification step including a tar ingredient removal step of removing tar ingredients from an unpurified polyisocyanate, and a distillation step of distilling the unpurified polyisocyanate from which tar ingredients have been removed...

Company name: Mitsui Chemicals
Published On: Friday May 22nd, 2015

Aqueous blocked polyurethane-urea dispersion

The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous...

Company name: Bayer MaterialScience AG
Published On: Friday May 22nd, 2015

Anaerobic curable compositions

The invention provides anaerobic curable compositions comprising a (meth)acrylate component, at least a portion which comprises a (meth)acrylate-functionalized bio-renewable oleaginous polyurethane polymer, and methods of their production and use. These compositions provide excellent adhesion especially on oily surfaces.

Company name: Henkel
Published On: Friday May 22nd, 2015

Hydroswellable, segmented, aliphatic polyurethanes and polyurethane ureas

Hydroswellable, absorbable and non-absorbable, aliphatic, segmented polyurethanes and polyurethane-urea capable of swelling in the biological environment with associated increase in volume of at least 3 percent have more than one type of segments, including those derived from polyethylene glycol and the molecular chains are structurally tailored to...

Company name: Poly-Med
Published On: Friday May 22nd, 2015

Hydrophilic gels from polyurethane-based photoinitiators

The present invention relates to the use of polymeric photoinitiators based on polyalkyletherurethane backbones in the production of hydrophilic gels, in particular hydrogels. The invention relates to methods for manufacturing hydrophilic gels using said polymeric photoinitiators, and the hydrophilic gels thus obtained.

Company name: Coloplast
Published On: Friday May 22nd, 2015

Biodegradable polyurethane and polyurethane ureas

This invention relates to biocompatible, biodegradable thermoplastic polyurethane or polyurethane/ureas comprising isocyanate, polyol and a conventional chain extender and/or a chain extender having a hydrolysable linking group and their use in tissue engineering and repair applications, particularly as stents and stent coating.

Company name: PolyNovo Biomaterials Limited
Published On: Friday May 22nd, 2015

Method for producing flame-protected polyurethane foams having low bulk densities

The present invention provides a method for producing flame-retardant polyurethane foams, the resulting flame-retardant polyurethane foams having particularly low densities.

Company name: Bayer MaterialScience AG
Published On: Friday May 22nd, 2015

Urethane foam molded product and method for producing the same

The present invention provides a urethane foam molded product that has high thermal conductivity with minimal change to its physical properties. A simple method for producing the same is also provided. The urethane foam molded product includes a base material formed of a polyurethane foam, and a thermal conductive filler mixed in the base material...

Company name: Sumitomo Riko Company
Published On: Friday May 22nd, 2015

Flame retardant polyurethane foams containing biuret linkages

Polyurethane foams are made using a biuret-modified MDI and/or PMDI as the isocyanate component. The isocyanate is characterized by having a high content of biuret-containing oligomers and, preferably, a low proportion (if any) of biuret-urea oligomers. Flexible, resilient foams made using this biuret-modified isocyanate perform well on...

Company name: Dow Global Technologies
Published On: Friday May 22nd, 2015

Process for the production of high air flow polyether foams and the foams produced by this process

This invention relates to novel polyol blends, a process for the production of foam with very low resistance to air flow from certain polyol blends and to the resultant foams produced from certain polyol blends. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols...

Company name: Bayer MaterialScience
Published On: Friday May 22nd, 2015

Non-aqueous polyurethane coating compositions

The present invention relates to a non-aqueous coating composition comprising: 1) 75 to 99 wt. %, preferably 85 to 95 wt. % of a hard urethane(meth)acrylate polymer or oligomer; and 2) 1 to 25 wt. %, preferably 5 to 15 wt. % of a soft unsaturated urethane(meth)acrylate polymer or oligomer containing allophanate groups.

Company name: Allnex
Published On: Friday May 22nd, 2015

Battery cell coatings

A battery system includes a polyurea coating applied to a metal casing of a battery cell, wherein the polyurea coating is formed from a reaction mixture of an isocyanate component with ceramic particles, and an amine component with ceramic particles. The ceramic particle-filled polyurea coating exhibits a suitable thermal conductivity to...

Company name: The Bergquist Company
Published On: Friday May 22nd, 2015

Aqueous coating systems based on physically drying urethane acrylates

The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives.

Company name: Bayer MaterialScience AG
Published On: Friday May 22nd, 2015

Aqueous polyurethane dispersion

Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least...

Company name: Perstorp
Published On: Friday May 22nd, 2015

Powder coating compositions and a method for coating a substrate, such as a thermally sensitive...

The invention relates to a powder resin with amp from 60 to C., and a particle size from 10 to 250 .mu.m, which comprises the reaction product of a reactive composition comprising: a) an isocyanate component comprising a polyisocyanate with functionality of at least 2, b) an alcoholic component, comprising: b1) at least one polyol with...

Company name: Arkema Coatings Resins
Published On: Friday May 22nd, 2015

Adhesive sheet

An adhesive sheet having high adhesion and removability, low metal corrosion, small outgas generation, and particularly suitable for adherence to an electronic part, which sheet includes an adhesive layer provided for at least one surface of a substrate sheet, in which a pressure-sensitive adhesive forming the adhesive layer includes a resin...

Company name: Lintec
Published On: Friday May 22nd, 2015

UV-curing hot melt adhesive containing low content of oligomers

A reactive hot melt adhesive comprising a blend of a (meth)acrylate polymer, a polyurethane polymer containing (meth)acrylate groups and a polyurethane prepolymer containing NCO-groups wherein the content of low molecular weight (meth)acrylate urethanes is less than 1 wt % of the adhesive. The adhesive provides a fast and improved green strength...

Company name: Henkel
Published On: Friday May 22nd, 2015

Composition to preserve insulations and sealants and method

The present invention is generally directed toward the preservation of insulations and sealants and more particularly to the protection of insulation and sealant products against insect attack through the use of inorganic borates. The present invention includes a polymer-based formulation derived from the reaction of an isocyanate component and a...

Company name:
Published On: Friday May 22nd, 2015

Modified alkoxylation products having at least one non-terminal alkoxysilyl group and a plurality of...

Alkoxylation products, their preparation, compositions comprising these alkoxylation products, and the use thereof as or for producing adhesives and sealants.

Company name: Evonik Goldschmidt
Published On: Friday May 22nd, 2015

Polyurethane based insulated glass sealant

Embodiments of the invention include insulated units and methods of producing the insulating units. The insulating units include a first surface, a structural seal disposed on at least portions of the first surface, and a second surface disposed on the structural seal. The structural seal includes the reaction product of at least one first...

Company name: Dow Global Technologies
Published On: Friday May 22nd, 2015

Polyester - polyurethane elastomers from renewable sources

Embodiments of the invention encompass polyurethane elastomers which are a reaction product of a reaction mixture that includes a) at least one polyester made using a dicarboxylic acid having a carbon chain of from 9 to 20; b) at least one chain extender; and c) at least one polyisocyanate. At least 20% of the total carbon content of the...

Company name: Dow Global Technologies
Published On: Friday May 22nd, 2015

Alloy comprising polyolefin and thermoplastic polyurethane

This invention relates to an alloy comprising polyurethane and polyolefin. It has now surprisingly been found that a specific composition of polyolefin and polyurethane has surprising mechanical properties and at the same time has transparent characteristics and/or appearance. The present invention provides an alloy with remarkable mechanical...

Company name: Lubrizol Advanced Materials
Published On: Friday May 22nd, 2015

Polyurethane foam toys with no restriction on playing environment and the manufacturing method...

A method of manufacturing polyurethane (PU) foam toys with no restriction on playing environment comprises steps as follows: (1) Placing the prefabricated flexible cover into the foaming mold, and then vacuuming to firmly attach the cover to the inner wall of the mold; (2) Spraying adhesives at the periphery and the interior of the flexible cover...

Company name:
Published On: Friday May 22nd, 2015

Insulated foam panels for refrigerated display cases

The present application provides an insulated foam panel for a refrigerated display case. The insulated foam panel may include a polyurethane foam core, a number of polystyrene support rails surrounding the polyurethane foam core in whole or in part, and a pair of liners positioned about the polyurethane foam core.

Company name: Heatcraft Refrigeration Products
Published On: Friday May 22nd, 2015

Method for producing cleaning blade

In a method for producing a cleaning blade, a first composition obtained by causing a reaction of diphenylmethane diisocyanate and a first aliphatic polyester polyol which has a number-average molecular weight of 2000 to 3500 and is used in an amount of 20 to 40 mol % relative to the diphenylmethane diisocyanate and a second composition containing...

Company name: Canon Kabushiki Kaisha
Published On: Friday May 22nd, 2015

Golf ball with specified density inner cover layer

A high performance golf ball includes a resin inner core, a rubber outer core, and a cover. The resin inner core is made of highly neutralized polymer, and may include a blend of different highly neutralized polymers. The cover is a two layer cover, with a hard inner cover and a thermoplastic polyurethane outer cover. The ball as a whole has...

Company name: Nike
Published On: Friday May 22nd, 2015

The Effect of the Isobornyl Groups of the Grafted Poly(acrylate) Chains on the Tensile Properties...

A series of polyurethanes (PUs) grafted with poly(isobornyl acrylate) (PIBA) was prepared to form a series (denoted the I series), which was compared with the PUs containing free PIBA (denoted the C series). The bulky and rigid bicyclic isobornyl groups attached to the PIBA chains were intended to hinder the molecular interactions between PU chains...

Company name: The University of Suwon
Published On: Monday May 25th, 2015

Vinylogous Urethane Vitrimers

Vitrimers are a new class of polymeric materials with very attractive properties, since they can be reworked to any shape while being at the same time permanently cross-linked. As an alternative to the use of transesterification chemistry, we explore catalyst-free transamination of vinylogous urethanes as an exchange reaction for vitrimers. First,...

Company name: Ghent University
Published On: Monday May 25th, 2015

Preparation of Fully Bio-Based UV-Cured Non-Isocyanate Polyurethanes From Ricinoleic Acid

Fully bio-based non-isocyanate polyurethane (NIPU) was facilely prepared by self-condensation of primary amide of ricinoleic acid under oxidation conditions. The resulting linear urethane oligomer (Mn = 1300 Da) as a viscous liquid was further cured under UV light irradiation to afford a polymer film with hardness of lower than 2B. Infrared spectra...

Company name: Jiangxi Science & Technology Normal University
Published On: Monday May 25th, 2015


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