How To Use Olefin In A Sentence
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Prof. Natta extended the research conducted by Ziegler on organometallic catalysts to the stereospecific polymerization, thus discovering new classes of polymers with a sterically ordered structure, viz. isotactic, syndiotactic and di-isotactic polymers and linear non branched olefinic polymers and copolymers with an atactic (or sterically nonordered) structure.
Giulio Natta - Biography
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Recent advances in hydroformylation of olefin catalyzed by metal-N-heterocyclic carbene (NHC) complexes especially Rh-NHC complex were reviewed on with an intention to promote relevant research.
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In addition, the use of specialty primers enables light-cure cyanoacrylates to develop strong bonds to polyolefins and other hard-to-bond plastics, such as fluoropolymers and acetal resins.
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Depending on the properties of the naphtha feedstock (as measured by the paraffin, olefin, naphthene, and aromatic content) and catalysts used, reformates can be produced with very high concentrations of toluene, benzene, xylene, and other aromatics useful in gasoline blending and petrochemical processing.
Cracking
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Depending on the properties of the naphtha feedstock (as measured by the paraffin, olefin, naphthene, and aromatic content) and catalysts used, reformates can be produced with very high concentrations of toluene, benzene, xylene, and other aromatics useful in gasoline blending and petrochemical processing.
Cracking
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One of the olefinic bonds in isoprene also has a methyl group associated with it, and this alkylation alters the electron distribution of the double bond and makes it more reactive.
Archive 2007-08-01
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He said Reliance will build a 1.5-million-ton olefin cracker at its Jamnagar facility in the western state of Gujarat.
Reliance Expects to be Debt-Free This Year
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Sharpless had begun his investigations into the oxidation of olefins after starting work as an assistant professor at the Massachusetts Institute of Technology in 1970.
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Uperization hexad transformerless retorsion run pullus hydrosarca cerclage floristics buy ultram online Evocative olefin axon mesotartaric aggregates jennet quarl xenobiotic warranted slock cholestene horsefish espalier abuse.
ImpactWrestling.com Week in Review
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In April 2001, KPIC approved a $1.5 billion plan to construct "Equate II," which would produce olefin (ethylene, polyethylene, ethylene glycol).
Energy profile of Kuwait
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Thermoplastic olefin was considered instead of the vinyl substrate covering.
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Synthetic blends such as olefin and acrylic fibers draw moisture away from the body better than cotton, preventing chills.
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The second phase comprises an organic solvent containing soluble reagents such as olefins.
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I became interested in dinitrogen chemistry around 1980, and polymer chemistry (first ring-opening metathesis polymerization and later olefin and acetylene polymerization) a few years after that.
Richard R. Schrock - Autobiography
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Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.
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Prof. Natta extended the research conducted by Ziegler on organometallic catalysts to the stereospecific polymerization, thus discovering new classes of polymers with a sterically ordered structure, viz. isotactic, syndiotactic and di-isotactic polymers and linear non branched olefinic polymers and copolymers with an atactic (or sterically nonordered) structure.
Giulio Natta - Biography
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By the mid 1980's we had developed what I call well-defined catalysts for both the olefin and acetylene metathesis reactions that contained sterically protecting imido and/or alkoxide ligands.
Richard R. Schrock - Autobiography
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Introducing the Uperization hexad transformerless retorsion run pullus hydrosarca cerclage floristics buy ultram online Evocative olefin axon mesotartaric aggregates jennet quarl xenobiotic warranted slock cholestene horsefish espalier abuse.
ImpactWrestling.com Week in Review
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Such investment will be made in the production of plastic pellets, olefins, and aromatics.
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It's a combination of nylon, aramid and olefin fiber.
Arcana Magi - c.16: Fragile Friendship
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The tendency to undergo oxidation to carbon dioxide on the part of carbon monoxide, and the absence of such tendency on the part of the defines when exposed to oxidizing influences at a temperature of 100® or below, serves as a most important criterion for the purpose of distinguishing between CO and the olefine group.
Transactions of the American Philosophical Society
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I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.
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If any metal complexation route to produce ethylene is ever going to succeed commercially, olefin separation needs to compare favourably with cryogenics.
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The second phase comprises an organic solvent containing soluble reagents such as olefins.
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Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.
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Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
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These fuels contain paraffins, cycloparaffins, aromatics, and olefins.
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Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and elastomeric thermoplastic material
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The highly selective hydrogenation process for the removal of olefins can completely replace the conventional clay treating process for treating the reformate of CCR unit.
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One of the most exciting of these processes was olefin metathesis.
Robert H. Grubbs - Autobiography
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The quality of pygas, which is high in diolefin content, can be satisfactorily improved by hydrotreating, whereby conversion of diolefins into mono-olefins provides an acceptable product for motor gas blending.
Cracking
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The olefin metathesis mechanism was one of my first projects at MSU and my group explored various aspects of this reaction throughout my career.
Robert H. Grubbs - Autobiography
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Photoirradiation of simple olefins such as stilbene resulted in mutual isomerization between cis and trans isomers both in the excited singlet state and in the triplet state decaying at the perpendicular excited state.
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In addition, the isomerization of olefins with small molecular weight in glassy solvent at 77 K have been proposed to proceed by H-T mechanism.
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Ethylene, a two-carbon olefin, is a volatile hormone in higher plants.
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I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.
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Alkanes (sometimes called paraffins) have only single bonds, while alkenes (sometimes called olefins) have a carbon-carbon double bond, and alkynes have a carbon-carbon triple bond.
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Prof. Natta extended the research conducted by Ziegler on organometallic catalysts to the stereospecific polymerization, thus discovering new classes of polymers with a sterically ordered structure, viz. isotactic, syndiotactic and di-isotactic polymers and linear non branched olefinic polymers and copolymers with an atactic (or sterically nonordered) structure.
Giulio Natta - Biography
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This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
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There are basically four kinds of "reactive organics" that are important in smog photochemistry: paraffins, olefins, aromatics, and carbonyl compounds aldehydes and ketones, the latter being more commonly formed in the smog process than emitted outright.
Hot Buttered
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A major focus of the investment will be catalytic surface coatings, in particular for steam cracker furnace tubes, known as catalyzed-assisted manufacture of olefins or CAMOL.
WebWire | Recent Headlines
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Methods Use the Vaseline and Fluid Olefin as the base to prepare the Folium Callicarpa Nudiflora Ointment. Adopt UV-VIS to determine the contents of Flavones.
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There are four large plants here - Qenos resins, plastics, elastomers and olefins.
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Oxea is a global supplier of solvents, polyols and oxo derivatives such as carboxylic acids, olefin derivatives and alkylamines.
FinanzNachrichten.de: Aktuelle Nachrichten
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(ROMP), provided the path into polymer science, the techniques learned have opened possibilities outside of olefin metathesis.
Robert H. Grubbs - Autobiography
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The early days of smog chemistry were dominated by research into the chemistry of paraffins and olefins, so much so, in fact, that it wasn't until the mid-1970s that researchers realized that the photolysis of aldehydes and ketones was the primary source of catalytic radicals in the smog formation process.
Hot Buttered
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This is the perfect fabric for those high traffic areas and for smaller fabric areas; you can find olefin combined with other fabrics to create beauty and function.
Decorating White Spaces by Adding a Delicate Touch of Color
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In the fall of 1972 I first heard the term "olefin metathesis" from
Richard R. Schrock - Autobiography
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Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.
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Lectures on my fields, particularly those on metallic complexes of cyclopentadienes and indenes, metal-p-complexes of six-ringed aromatics, mono -, di - and oligo-olefins and most recently metalcarbonyl carbene and carbyne complexes, led me on lecture tours of the United States,
Ernst Otto Fischer - Autobiography
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Among the claims were that Kiss My Face's "Obsessively Organic" cleansers contained olefin sulfonate, a petrochemical, and that Avalon "Organics" contain the petrochemical Amdiopropyl Betaine.
Save The Planet, Lose The Guilt
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Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligands
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Metallocene catalyst is a new kind of catalyst having homogeneous-site, molecule tailing capability and controlled structure. It can be used to synthesize special function polyolefine.
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Whatever the feedstock, the product slate is a complex mixture of hydrogen, ethylene, other olefins, diolefins and gasoline as well as smaller amounts of acetylenes and carbon monoxide.
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This paper studies the effects of gasoline sulfur and olefin content on vehicle exhaust emissions.
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The material is a thermoplastic olefin nanocomposite.
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If any metal complexation route to produce ethylene is ever going to succeed commercially, olefin separation needs to compare favourably with cryogenics.
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Among the claims were that Kiss My Face's "Obsessively Organic" cleansers contained olefin sulfonate, a petrochemical, and that Avalon "Organics" contain the petrochemical Amdiopropyl Betaine.
Save The Planet, Lose The Guilt
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This factor limits the acceptance of PVC and polyolefins in many products where their useful balance of properties and low cost would be attractive. "patent for a chemical compound consisting of an organotitanate or zirconate compound and an organotin compound that promotes the breakdown of PVC after the completion of its useful life.
The Gadgeteer
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No less important is his later research which led to the synthesis of completely new elastomers, in two different ways: by polymerization of butadiene into cis-1,4 polymers with a very high degree of steric purity and by copolymerization of ethylene with other a-olefins
Giulio Natta - Biography
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My experiments upon the action of defines show, however, that it is essential to the identification of carbon monoxide that the formation of carbon dioxide by the action of the palladium chloride be proved by means of lime water or other indicator, as otherwise the reduction of the palladium salt may be due to a member of the olefine group.
Transactions of the American Philosophical Society
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The Shell Higher Olefin Process also uses metathesis technology to convert ethene to detergent range molecules.
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Thermoplastic olefin was considered instead of the vinyl substrate covering.
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Depending on the size of the olefin, the reaction follows either a dissociative or associative mechanism.
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Although metallacyclopentanes are not important in olefin metathesis, they have been found to be important in a variety of other olefin dimerization reactions.
Robert H. Grubbs - Autobiography
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If you were to peel away the plastic (a foam-backed thermoplastic olefin) from the instrument panel, you'd discover a one-piece magnesium casting.
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Although ring opening olefin metathesis polymerization,
Robert H. Grubbs - Autobiography
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Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process
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After nine very productive years at MSU where I started my work in olefin metathesis and a number of other areas of catalysis, I was offered
Robert H. Grubbs - Autobiography
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By the mid 1980's we had developed what I call well-defined catalysts for both the olefin and acetylene metathesis reactions that contained sterically protecting imido and/or alkoxide ligands.
Richard R. Schrock - Autobiography
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Compared with pure polyolefin , nucleated polyolefin showed a higher crystallization temperature and a faster crystallization rate.
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Caucasian oils are mainly composed of defines or substances related to the olefine group.
Transactions of the American Philosophical Society
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The hydroperoxidation product (EPHP) was used to initiate olefine monomers, such as styrene, etc. for grafting copolymerization and examination of toughening effect of the grafted EP in the blend.
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For the pathway of cis-trans isomerization of olefins, we suggest distinguishing conjugated olefins (including stilbenes) of little polarity from other cases.
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By the mid 1980's we had developed what I call well-defined catalysts for both the olefin and acetylene metathesis reactions that contained sterically protecting imido and/or alkoxide ligands.
Richard R. Schrock - Autobiography
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This paper studies the effects of gasoline sulfur and olefin content on vehicle exhaust emissions.
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By use of the present invention it is possible to produce an olefin polymer with high stereoregularity, broad molecular weight distribution, and good fluidity, at high rates of yield.
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There are three kinds of petroleum in use, namely those yielding on distillation: 1st, paraffin; 2nd, asphalt; 3rd, olefine.
Steam, Its Generation and Use
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Compared with diolefine rubber, EPDM has less double bond.
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For carpet, considerations include broadloom vs. tile; stretch-in vs. glue-down; and nylon, olefin or wool fibers.
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Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
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Williams Cos. fourth-quarter earnings rose 1.2% as the natural-gas company benefited from higher natural-gas-liquid and olefin profits, partly offset by lower natural-gas prices.
Williams Cos. Profit Rises 1.2%
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It is preferred that the top membrane portion and the base membrane portion are made from thermoplastic olefin material or polyvinyl chloride material.
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For this reason a larger quantity of KOH is necessary for a given reaction (formation of olefine from alkyl bromide) than in case of the iodine compound.
Transactions of the American Philosophical Society
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Using encapsulated liquid tricyclic, like diolefin, and some kind of catalyst for quick hardening.
Archive 2009-03-01
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Metallocene catalysts allow for control of tacticity in polyolefins, making it possible to synthesize materials with a wide range of properties from a single monomer.
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In elimination, two groups on adjacent carbon atoms are lost and an olefine (alkene) is formed.
Press Release: The 1994 Nobel Prize in Chemistry
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In a similar way, the discoveries in olefin metathesis have led to new processes that can benefit from detailed mechanistic explorations.
Robert H. Grubbs - Autobiography
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For example, Hoveyda explains, olefin metathesis can be difficult to use on compounds that contain sterically hindered alkenes and certain functional groups, such as amines and carbonyls.
Chemical & Engineering News: Latest News
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Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
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The device has three injection-molded elements made of a cyclic olefin copolymer: the lid, a mixing chamber and a delivery cartridge.
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MLn fragments, has been used by my research group to analyze cluster bonding and the equilibrium geometries and conformational preferences of olefin and polyene metal carbonyl complexes.
Roald Hoffmann - Autobiography
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Light olefins from the fluid catalytic cracker are processed in either hydrofluoric or sulfuric acid units.
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The company said the quarter saw a decline in international prices of olefins, polymer as well as fibre-intermediate on the back of weaker crude oil prices compared with the trailing quarter.
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The paper discussed the influences of the melt flow rate, long branched chain and the copolymerized monomer of polyolefin on the melting strength.
