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  Issue-642 - January 30, 2017   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> BLOWING AGENTS
Alternatives to High-GWP Hydrofluorocarbon - Case Study: Methyl formate foam

Large sophisticated companies can use a wide range of highly flammable foam-blowing agents, but the costs of appropriate safety measures are too much for SMEs.Methyl formate is an ozone-safe, negligible-GWP alternative to HCFCs in a wide range of foam applications. As a pure chemical, methyl formate is highly flammable, but it can be used safely in...

Company name: Foam Supplies
Published On: Wednesday January 25th, 2017

 
PU RAW MATERIALS>> ISOCYANATES
Karoon Petrochemical Co., first producer of isocyanates in Middle East

Isocyanates are a family of highly reactive, low molecular weight chemicals widely used in the manufacture of flexible and rigid foams, fibers, and coatings. They are increasingly used in the automobile industry and building insulation materials.Karoon Company has two phases of production conducted through joint venture with Chematur Engineering AB...

Company name: Karoon Petrochemical
Published On: Wednesday January 25th, 2017

 
How to navigate REACH - A guide to the restriction process applying to diisocyanates

Welcome to the ISOPA/ALIPA guide to the REACH processes applying to diisocyanates!ISOPA launches its latest ebook which aims to answer all questions you may have on diisocyanates and their safe handling.More specifically, this guide elaborates on processes and regulatory measures taken under REACH (European Chemicals Regulation) that could...

Company name: the European trade association for producers of diisocyanates and polyols
Published On: Friday January 27th, 2017

 
Iran's Karoun Petrochemical sells isocyanate to Peru

Iran's Karoon Petrochemical Company recently sold several consignments of isocyanate to Peru, said a senior official.Iran has joined a select group of countries who produce the strategic petrochemical product following its pilot production of methylene diphenyl diisocyanate, Kazem Bastakian, commercial manager of Karoun, was quoted as saying in an...

Company name: Karoon Petrochemical Company
Published On: Monday January 30th, 2017

 
PU RAW MATERIALS>> ISOCYANATES>> MDI
MDI capacity increases at BASF Verbund site in Antwerp, Belgium

BASF has completed a capacity increase of its methylene diphenyl diisocyanate (MDI) production facilities at the companys Verbund site in Antwerp, Belgium. The capacity increase brings the annual production of MDI in Antwerp from 560,000 metric tons per year to 650,000 metric tons per year.MDI is an important component for polyurethanes - an...

Company name: BASF
Published On: Wednesday January 25th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> URETHANE GROUT
Seawall repair options

Winter weather can take its toll on seawalls and bulkheads. Each wave or tidal cycle washes away more soil, creating larger voids behind the wall. Maybe a depression or even a sinkhole grows behind the wall. If you are the owner or the contractor hired to fix it, you've got options. There's replacement, which is expensive and disruptive though...

Company name: Prime Resins
Published On: Friday January 27th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> COATING COMPOSITION
Researchers Develop Plant-Based Resin for Shiny Coatings

Kansas State University researchers have patented the first plant-based resin of its kind that would be ideal for re-adherable painters' tape, labels, packing tapes, stationery notes and other adhesive uses. It also can provide shiny coatings.Painters generally finish projects with mounds of used tape made of low-quality paper that does not...

Company name: Kansas State University
Published On: Monday January 30th, 2017

 
CASE>> COATINGS
Michelman to Showcase Breadth of Solutions for Coatings Applications at European Coatings Show 2017

Michelman will showcase its extensive line of specialty surface additives and polymeric binders for wood, metal, concrete and architectural coating applications at the European Coatings Show being held April 4-6, 2017 in Nuremberg, Germany. The company will also introduce several new solutions formulated for specific applications.To support its...

Company name: Michelman
Published On: Wednesday January 25th, 2017

 
ASB Forms Strategic Alliance with Leading Israeli Coating Technology Company

AdvanSource Biomaterials Corporation, a leading developer of advanced polymer materials for a broad range of medical devices, today announced a strategic alliance with Medibrane, Ltd, a leading Israeli coating technology company. The Strategic Alliance provides for technology collaboration, development and commercialization of medical coatings...

Company name: Advansource Biomaterials
Published On: Friday January 27th, 2017

 
Axalta Features its Brilliant Imron Coatings at 2nd Annual Refit International Exhibit and...

Axalta Coating Systems, a leading global supplier of liquid and powder coatings, will display its premium line of Imron coatings at the 2nd Annual Refit Exhibit on January 26-27, 2017 at the Broward County Convention Center in Fort Lauderdale, Florida. The Refit Conference attracts captains, owners, boatyard professionals, designers and stylists...

Company name: Axalta Coating Systems
Published On: Friday January 27th, 2017

 
Coatings Concepts from Sartomer Americas

As part of its mission to provide coatings manufacturers with the latest information on formulation solutions, Sartomer Americas (a business unit of Arkema Inc.) announces the release of Coatings Concepts. This free technical booklet contains six articles by industry experts to help compounders enhance their coatings formulations to advance...

Company name: Sartomer Americas
Published On: Friday January 27th, 2017

 
CASE>> COATINGS>> FLOORING
World of Concrete Shines Spotlight on APF's High-Performance Industrial Flooring Systems

Another successful World of Concrete is in the books. The industry's largest tradeshow attracted tens of thousands of concrete professionals from around the globe. Two of our best-known systems - CastorCrete and VaporSolve - received strong interest from loyal customers, contractors and other concrete professionals in need of high-performance...

Company name: Arizona Polymer Flooring
Published On: Wednesday January 25th, 2017

 
CASE>> COATINGS>> POLYUREA
Polyurea Advantages for Commercial Flooring

Customers often ask us: what are the advantages of Polyurea for commercial flooring projects? For those who don't know, Polyurea is a concrete coating that is about 20 times stronger than epoxy. Chemically resistant to salt, gas, oil, and even harsh chemicals it's 98% more flexible than epoxy and it won't crack or peel. It doesn't need to be buffed...

Company name: Citadel Floor Finishing Systems
Published On: Wednesday January 25th, 2017

 
Rehabbing Aging Concrete Wastewater Infrastructure

As much of the nation's wastewater and sewer infrastructure approaches the 50-100 year mark, it must be rehabilitated to remain in use for a growing population.Yet municipal wastewater treatment facilities, sewers, and vaults endure some of the most severely corrosive environments in the water industry, as well as having to pass increasing...

Company name: VersaFlex
Published On: Monday January 30th, 2017

 
CASE>> COATINGS>> SPRAY FOAMS
Using Handi-Foam Spray Polyurethane Foam (SPF) for Bathroom Applications

Spray polyurethane foam (SPF) is used for a variety of different insulation and sealing applications throughout a home, including the bathrooms. Bathrooms can be one of the most difficult places in a home to insulate and protect. With prime conditions for moisture problems and more, low pressure SPF is one type of insulation that can be beneficial...

Company name: Fomo Products, Inc
Published On: Friday January 27th, 2017

 
IFTI Issues Evaluation Report for Compliance to AC 456 Assembly Testing for Alternative Thermal...

International Fireproof Technology, Inc. (IFTI) issued Evaluation Report CCRR-1076 for compliance to AC456 assembly testing for "Alternative Thermal Barriers," which serves as documentation supporting DC 315 compliance to the new codes for SPF assemblies using a coating as an alternative 15-Minute Thermal Barrier.The whole basis of AC456 is a very...

Company name: International Fireproof Technology
Published On: Monday January 30th, 2017

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
RadTech Launches Email Course

RadTech recently announced it has launched an email-based course, UV/EB Chemistry Fundamentals. This free course reportedly features eight lessons sent in a weekly email, which take approximately 10 minutes to complete.After the final lesson, RadTech will email a course completion certification, which can be posted on LinkedIn. The first course is...

Company name: RadTech
Published On: Friday January 27th, 2017

 
CASE>> SEALANTS
Preview European Coatings Show 2017 WACKER Presents Silane-Terminated Polymers for Flexible and...

At the European Coatings Show 2017, Munich-based chemical group WACKER will be unveiling two new silane-terminated polymers: GENIOSIL XM 20 and GENIOSIL XM 25. They can be used as binders in adhesives and sealants, where they can modify the mechanical properties, in particular impacting modulus. This allows adhesives and sealants manufacturers to...

Company name: Wacker Chemie AG
Published On: Friday January 27th, 2017

 
FINISHED PRODUCTS>> AUTOMOTIVE
Recticel plant in Czech Rep hit by fire

Production hall of the Czech plant of Belgian automotive supplier Recticel in Most was hit by fire in the morning of January 22. The fire broke out in one of the halls of RAI Most, which manufactures plastic parts for automobiles, in the Joseph industrial zone in the village of Havran near Most. Dozens of people had to be evacuated. Cause of the...

Company name: Recticel
Published On: Wednesday January 25th, 2017

 
FINISHED PRODUCTS>> SPORTS
Plastics Modernize Winter Sports

Winter is an exciting time for anyone who loves cold weather sports, such as snowboarding, skiing, and hockey. And frankly, none of these sports would exist in current form without plastics.Innovations in plastics have enabled more lightweight, durable, and responsive equipment, as well as tougher protective gear and better insulated, water...

Company name: Canadian Plastics Industry Association
Published On: Friday January 27th, 2017

 
PEOPLE
Graco Names Dale Johnson President of its Worldwide Contractor Equipment Division

The Board of Directors of Graco Inc., a leading manufacturer of fluid handling equipment, has named Dale Johnson President of its Worldwide Contractor Equipment Division, effective Feb. 1. Mr. Johnson, 62, has provided more than 40 years of exceptional service to Graco, most recently as Vice President and General Manager of the Worldwide Contractor...

Company name: Graco
Published On: Monday January 30th, 2017

 
INDUSTRY UPDATE
Sustainability: Central to Covestro Innovation

At Covestro, we think of ourselves as the "new-old company."Formerly Bayer MaterialScience, Covestro was "reborn" in the fall of 2015 as its own, independent entity. Being independent means we can chart our own course-one that's fully embedding sustainability into the heart of our business strategy.As an innovative producer of advanced materials,...

Company name: Covestro
Published On: Friday January 27th, 2017

 
Azelis announces distribution partnership with Angus Chemical Company

As part of Angus' new strategy for the company's portfolio of nitroalkanes and their derivatives, they have appointed Azelis as a distribution partner, effective January 1, 2017 for the paints, coatings and other industrial markets for France, Belgium, The Netherlands and Luxembourg."We look forward to the technical expertise and logistics...

Company name: Azelis
Published On: Friday January 27th, 2017

 
Joint Venture Between Alchemy Polymers and Resiplast US

Resiplast US Inc. (HQ in Cypress, Texas) and Alchemy Polymers (HQ in Tucker, Georgia) have concluded a joint-venture by which the business activities of Resiplast US Inc. and those of Alchemy Polymers will be centralized in a new company: Alchemy-Spetec.The joint-venture will be created on a 50/50 basis and will be led by Stephen Barton, the owner...

Company name: Alchemy Polymers
Published On: Wednesday January 25th, 2017

 
GREEN CHEMISTRY
5 minutes with... Steve Hurff, Vice President for Marketing and Sales at DuPont Tate and Lyle Bio...

I think that to be successful in this sort of market you need to have the combination of a bio-based product that performs and a sustainability story which can add value to all of the customers and suppliers in the various value chains.In 2004, DuPont Tate & Lyle Bio Products entered into a joint venture, investing $100 million to commercialise a...

Company name: DuPont Tate & Lyle Bio Products
Published On: Friday January 27th, 2017

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> CATALYSTS>> AMINE
Amine catalysts for polyurethane foams

The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to open-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are...

Company name: Honeywell
Published On: Friday January 27th, 2017

 
PU RAW MATERIALS>> POLYOLS
Phosphorous based polyaddition / polyurethane-urea polyols

Embodiments of the invention include a polymer polyol dispersions. The polymer dispersions include a reaction product of a reaction system, where the reaction system includes: at least one polyol, at least one phosphorus based flame retardant having at least one active hydrogen attached to a nitrogen or oxygen atom, at least one of a co-reactant...

Company name: Dow Global Technologies
Published On: Friday January 27th, 2017

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Highly durable polyester polyol

To provide a polyester polyol from which a polyurethane having acid resistance and alkali resistance can be produced. A polyester polyol containing 1,3-propanediol having an alicyclic skeleton in a side chain, 3-methyl-1,5-pentanediol and a dibasic acid component as constituent components.

Company name: Kuraray
Published On: Saturday January 28th, 2017

 
PU RAW MATERIALS>> ISOCYANATES>> POLYISOCYANATES
High-functionality polyisocyanates containing urethane groups

The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.

Company name: BASF SE
Published On: Friday January 27th, 2017

 
PU RAW MATERIALS>> ISOCYANATES>> BLOCKED
Finishing agent with blocked polyisocyanates

The invention relates to preparations containing at least one blocked polyisocyanate and at least one oleophobic and/or hydrophobic finishing agent, and to the use of said preparation for the oleophobic and/or hydrophobic finishing of sheet material, in particular textiles.

Company name: Rudolf
Published On: Saturday January 28th, 2017

 
Natural oil derived blocked prepolymers and acrylic plastisol compositions having the blocked...

A natural oil derived blocked prepolymer is a reaction product of a composition including an isocyanate terminated prepolymer that is the reaction product of a mixture that has at least one or more polyols including at least one polyol having a secondary amine initiator or a tertiary amine initiator and a stoichiometric excess of one or more...

Company name: Dow Global Technologies
Published On: Saturday January 28th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION
Method for producing vinyl ester urethane resins based on dianhydrohexitol compounds and use thereof...

Disclosed is a method for producing vinyl ester urethane resins, in which a dianhydrohexitol-compound is reacted with a diisocyanate in the presence of a monomeric radically co-polymerizable compound as a solvent and the product is reacted with a hydroxy-substituted (meth)acrylate. As a result, vinyl ester urethane resins based on...

Company name: Hilti
Published On: Friday January 27th, 2017

 
Powdered polyurethane urea resin composition for slush molding and manufacturing process therefor

Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof. Thus, the...

Company name: Sanyo Chemical Industries
Published On: Friday January 27th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Set of ink and print medium, inkjet printing method, inkjet printing apparatus, printed matter, ink,...

Provided is a set of an ink and a print medium, the set including an ink and a print medium, wherein the ink includes at least one organic solvent, polyurethane resin particles, a colorant, and water, wherein the at least one organic solvent includes a compound having a saturated vapor pressure at 100.degree. C. of 65 mmHg or greater but 400 mmHg...

Company name:
Published On: Saturday January 28th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> BINDERS
Method for the production of lignocellulose materials

The present invention relates to a process for the production of lignocellulose materials via mixing A) of lignocellulose-containing particles or fibers, B) with organic isocyanate having at least two isocyanate groups or a mixture of these, and optionally with C) binders selected from the group of the phenol-formaldehyde resins, the aminoplastic...

Company name: BASF SE
Published On: Saturday January 28th, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> THERMOPLASTIC
Molding material for package

A molding material for package includes a matte-coating layer having excellent formability, chemical resistance, solvent resistance, electrolytic solution resistance and printing property. The molding material for package includes an outer base material layer including a heat-resistant resin; an inner sealant layer including a thermoplastic resin;...

Company name: Showa Denko Packaging
Published On: Friday January 27th, 2017

 
CASE>> COATINGS
Corrosion protecting layer system, corrosion protected bearing component and method for protecting a...

A corrosion-protecting layer system, e.g., for a bearing component used in a wind turbine, includes a base layer that contains polyurethane, zinc, and vinylphosphonic acid or silane. An intermediate layer is formed on the base layer and contains polyurethane and zinc. A top layer is formed on the intermediate layer and contains polyurethane and...

Company name: Aktiebolaget SKF
Published On: Saturday January 28th, 2017

 
CASE>> COATINGS>> POLYUREA
Roofing method and apparatus

In an embodiment, a method includes applying a liquid plural component polymer to a sloped roof to form a protective surface that inhibits moisture seepage to the roof sheathing. In some embodiments, the plural component polymer may be a polyurea compound having a hardening time that is less than approximately 10 minutes. In some embodiments, one...

Company name:
Published On: Friday January 27th, 2017

 
CASE>> ADHESIVES>> FILM
Use of a latently reactive adhesive film for adhesive bonding of eloxated aluminum to plastic

Adhesive bonding of eloxated aluminum to plastic, with a product having at least one layer of a latently reactive adhesive film which has a thermoplastic component having a melting point T(melting) where 35.degree. C..ltoreq.T(melting).ltoreq.90.degree. C. and contains functional groups that can react with isocyanate and an isocyanate-containing...

Company name: tesa
Published On: Friday January 27th, 2017

 
CASE>> ELASTOMERS>> RUBBERS
Rubber mixtures

A rubber mixture, comprising (A) at least one rubber selected from the group of ethylene-propylene-diene copolymer (EPDM), ethylene-propylene copolymer (EPM), chloroprene rubber (CR), chloropolyethylene (CM), chloro-isobutene-isoprene (chlorobutyl) rubber (CIIR), chlorosulfonyl polyethylene (CSM), etylene-vinyl acetate copolymer (EAM), alkyl...

Company name: Evonik Degussa GmbH
Published On: Friday January 27th, 2017

 
CASE>> COMPOSITES
Composites transmissive to visual and infrared radiation and compositions and methods for making the...

A composition comprises a copolymer made from a thiol terminated hydrocarbon monomer and at least one additional monomer chosen from the compounds of i) a terminally unsaturated hydrocarbon monomer, ii) an isocyanate functionalized hydrocarbon monomer and iii) a silane monomer substituted with two or more C.sub.2 to C.sub.8 terminally unsaturated...

Company name: The Boeing Company
Published On: Saturday January 28th, 2017

 
FINISHED PRODUCTS>> CONSTRUCTING>> PANELS
Panel with fire barrier

An insulation panel includes a first non-steel based facing that is a combustible material, a glass-fleece based material, or a low melting temperature thin metal foil; an insulating foam layer; and a fire barrier layer adjacent to the first non-steel based facing and between the first non-steel based facing and the insulating foam layer. The fire...

Company name: Dow Global Technologies Inc
Published On: Saturday January 28th, 2017

 
FINISHED PRODUCTS>> PRINTING>> DEVELOPING ROLLER
Rubber member for developing roll, and method for manufacturing same

It is an object of the present invention to provide a development roll rubber member that has a uniformly roughened surface on a rubber member surface, that is capable of ensuring a sufficient thickness without contaminating a peripheral portion while maintaining a flexibility in a coating layer and a convex portion without impairing softness of a...

Company name: NOK Corporation
Published On: Saturday January 28th, 2017

 
FINISHED PRODUCTS>> PRINTING>> PAPER FEED ROLLER
Roller for feeding and conveying paper sheets and method for producing the roller

Disclosed is a paper-sheet-feeding/conveying roller having an elastic body 10 and a surface treatment layer 11 which has been formed by impregnating a surface portion 10a of the elastic body 10 with a treatment liquid containing an isocyanate compound and curing the liquid; and the micro hardness (Hs.sub.1) of the surface treatment layer 11, the...

Company name: Synztec
Published On: Saturday January 28th, 2017

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf balls having foam inner core and thermoset outer core layer

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoset composition such as polybutadiene rubber. The inner and outer core layers can have different...

Company name: Acushnet Company
Published On: Saturday January 28th, 2017

 
FINISHED PRODUCTS>> INDUSTRIAL
Modular hopper tee and method of using same

A modular hopper tee including a modified tee box, a tee box liner, a readily detachable inflow adapter for coupling a first pipe to the tee box and a readily detachable outflow adapter for coupling a second pipe to the tee box, the liner and adapters being constructed from an elastomeric polymer such as polyurethane. Each of the inflow and outflow...

Company name: Bailey-Parks Urethane
Published On: Saturday January 28th, 2017

 
CHEMISTRY
Solvent refining method for isocyanate prepared by phosgene method and devices used in same

A solvent refining method for isocyanate prepared by the phosgene method and multistage absorbing towers used in same. Solvent to be refined which contains water, iron, and/or phosgene, hydrogen chloride and other materials with color is dealt by the present method and multistage absorbing towers, which can effectively prevent a drying agent from...

Company name: Wanhua Chemicals
Published On: Saturday January 28th, 2017

 
Novel transparent polymers and methods for making the same

A novel copolymer is made from a thiol terminated hydrocarbon monomer and at least one additional monomer chosen from the compounds of i) a terminally unsaturated hydrocarbon monomer, ii) an isocyanate functionalized hydrocarbon monomer and iii) a silane monomer substituted with two or more C.sub.2 to C.sub.8 terminally unsaturated alkenyl groups...

Company name: The Boeing Company
Published On: Saturday January 28th, 2017

 
Fluorochemical composition and use thereof

The instant invention relates to the Fluorochemical composition comprising a dispersion or a solution of a fluorinated compound, wherein said fluorinated compound comprises the reaction product of at least two reactants A and B wherein reactant A being a compound of formula (I); R.sub.f--O--(CF(CF.sub.3)CF.sub.2O).sub.mCF(CF.sub.3)--X--Y--Z (I)...

Company name: Clariant GmbH
Published On: Friday January 27th, 2017

 
GELS
Phantom used for acoustic diagnostic apparatus

An acoustic phantom of an embodiment is mainly made of a urethane gel produced by a reaction of a polyether polyol and an isocyanate compound. The urethane gel has a cross-linking index (CI) in the range of 1600 to 5000.

Company name: Canon Kabushiki Kaisha
Published On: Saturday January 28th, 2017

 
AEROGELS
Flexible to rigid nanoporous polyurethane-acrylate (PUAC) type materials for structural and thermal...

Novel urethane-acrylate (UAC) Star monomers and polyurethane-acrylate (PUAC) aerogel polymers derived therefrom are described herein, along with other novel, related monomers and polymers. Also described herein are processes for preparing the UAC Star monomers, the PUAC aerogel polymers, and the other related monomers and polymers. The PUAC and...

Company name: The Curators of the University of Missouri
Published On: Friday January 27th, 2017

 
 
LATEST TRENDS >> PAPERS
CASE>> COATINGS
Influence of Poly(ε‐caprolactone) Molecular Weight and Coumarin Amount on...

Photo‐reversible polyurethane (PU) coatings based on coumarin diol (CD) are obtained. Initially, pre‐polymers based on different amounts of coumarin (5, 15, and 25 mol%) and 1,6‐hexamethylene diisocyanate are prepared to obtain PUs with a large incorporation of CD and high molecular weight. The pre‐polymer is posterior...

Company name: Instituto de Ciencia y Tecnologia de Polimeros
Published On: Monday January 30th, 2017

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
Multi‐Functional Polyurethane Hydrogel Foams with Tunable Mechanical Properties for Wound...

Polyurethane hydrogel foams synthesized through a facile one‐pot, solvent‐free process are described. The roles of polyethylene glycol (PEG) molecular weight, crosslinking density, and foam stabilizer concentration on polymer properties are evaluated for potential applications as wound dressing materials. Material characterization and...

Company name: U.S. Naval Research Laboratory
Published On: Monday January 30th, 2017

 
CHEMISTRY
From Epoxide to Cyclodithiocarbonate Telechelic Polycyclooctene through Chain-Transfer Ring-Opening...

Telechelic polycyclooctenes (PCOEs) have been successfully synthesized by ring-opening metathesis polymerization (ROMP)/cross-metathesis (CM) of cyclooctene (COE) using Grubbs’ second-generation catalyst (G2) in the presence of epoxide-functionalized chain-transfer agents (CTAs). The monofunctional epoxide oxiran-2-ylmethyl acrylate CTA (1)...

Company name: Institut des Sciences Chimiques de Rennes
Published On: Monday January 30th, 2017

 
 

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