Look it up now! Olefin Metathesis: The Nobel Prize in Chemistry of 2015 was shared by Yves Chauvin, Robert H.Grubbs and Richard R.Schrock for their contributions to the field of Olefin Metathesis. They are most often derived from natural gas or from Olefin monomers ethylene and propylene are used in base-resistant fluoroelastomers. 8. Attractive: Olefin carpet is often made to look like more expensive wool carpet. Olefin definition: → alkene | Meaning, pronunciation, translations and examples A few years later, in 1963, Natta and his partner, Karl Ziegler, won the Nobel Prize for their development of the process that was responsible for the creation of polypropylene. 2. Any of a class of unsaturated open-chain hydrocarbons having at least one double bond. Synonym(s): olefin Unlike the other fiber types, polypropylene will not absorb water and must be solution dyed to impart color. Olefin definition is - alkene. Olefin definition, any member of the alkene series. Expect to replace in less than 5 years. A fiber or fabric made of this material. Olefin is easy to stain with oily products, like baby oil or suntan lotion. Recent Examples on the Web Blue olefin cushions are UV-treated and water- and mildew-resistant. With the alkalized iron the curves represent approximately straight lines, as indicative for primary composition [1,14,16]. The key difference between olefins and paraffins is that olefins essentially contain one or more double bonds between carbon atoms, whereas paraffins do not contain any double or triple bond between carbon atoms.. Olefin and paraffin are common terms for two different groups of hydrocarbon compounds. Olefin is affordable and can also be beautiful. The feel is always a little oily and you may have your hand and feet feel like you have put hand lotion on. Olefin Isomers, mole% by (NMR) Linear terminal 3 Branched terminal 2 Total internal olefins 95 100 Other Properties Color, APHA 10 Density at 20°C, g/mL 0.790 Density at 68°F, lbs/gal 6.59 Pour Point, °C -6 Flash Point, °C, (ASTM D 93) 155 Ethylene is polymerized with TFE and PMVE at a level of 20–35 mol% to make a base-resistant fluoroelastomer with good low-temperature characteristics. Olefin, the trade name for the textile that is produced out of polypropylene fibre, was developed by Italian chemist Giulio Natta in 1957 in Italy. There are many benefits and can be used both indoors and outdoors. The fibers of this material are thick giving it great bulk and coverage, which makes it the ideal textile to use for carpet flooring. You won’t want to expose your fabric to extremely high temperatures or else it may melt. An example of an olefin is ethylene (C 2 H 4), which is the smallest olefin.. Olefin processing plants are a component of a full crude oil stream from which … Alkene (früher auch Olefine) sind chemische Verbindungen aus der Gruppe der aliphatischen Kohlenwasserstoffe, die an beliebiger Position eine Kohlenstoff-Kohlenstoff-Doppelbindung im Molekül besitzen. Die Bezeichnung „Olefine“ leitet sich angeblich vom französischen … Wörterbuch der deutschen Sprache. Olefin is vulnerable to grease and oil-based stains. The monomer that is used to make this polymer is polypropylene. This synthetic fiber is made from a polyolefin – such as polypropylene or polyethylene. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. … olefin: ( al'kēn ), An acyclic hydrocarbon containing one or more carbon-carbon double bonds; for example, ethene, propene. This HomeQuicks post lists out facts and information about the resilient olefin fabric. ‘The material is a thermoplastic olefin nanocomposite.’ ‘Thermoplastic olefin was considered instead of the vinyl substrate covering.’ ‘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.’ You can buy the olefin shag rug above by clicking on the image. olefin (plural olefins) ( organic chemistry ) Any of a class of unsaturated open-chain hydrocarbons such as ethylene ; an alkene with only one carbon-carbon double bond. However, they have low adhesion to metal and other surfaces. Olefin metathesis is a chemical reaction in which two carbon-carbon double bonds (olefins) come together and exchange with one another, forming new olefinic products in the process. Olefin comes in a range of colours and patterns. Olefins are unsaturated hydrocarbons containing a double bond between two carbon atoms. When choosing a carpet for your home, you’re going to have a lot of options thrown at you, and it’s easy to get overwhelmed.But as with many problems in life, there are only a few really important things to keep in mind for success. Mit Flexionstabellen der verschiedenen Fälle und Zeiten Aussprache und relevante Diskussionen Kostenloser Vokabeltrainer Als Olefine gelten alle Alkene, Cycloalkene und Polyene.. Polypropylene is a polymer material. Anagrams [ edit ] A range of co-products from the steam cracking process, including pygas and butadiene are also sold to international markets. In a cut pile rug it will flatten out and matte down quicker than other fibers. Olefin is a trademarked name for fabrics made with synthetic polypropylene and polyethylene fibers. Olefins are alkenes, and paraffins are alkanes. Olefin Carpet Cons. Olefin polymers are characterized by high crystallinity, which imparts satisfactory mechanical strength, high dielectric constants, and resistance to the action of corrosive substances (with the exception of strong oxidizing agents, for example, HNO 3). Olefin: Olefins can be found in one of all three phases of matter. Olefin verfügt über starke, strapazierfähige Fasern, trocknet schnell und weist eine gute Farbechtheit auf, was es für den Einsatz von Sonnenschirmbespannungen durchaus sinnvoll macht. Polypropylene: Polypropylene is a solid material. Examples are butylene and propylene.. Olefins in finished petroleum products. Solution dyeing is a pigmentation process in which color is actually built into the fiber when it is formed, thereby becoming an inherent part of the fiber. Can mat easily: Olefin carpet does not hold up as well to foot traffic as other carpet materials, such as nylon. The main difference between olefin … Conclusion. Olefins are hydrocarbons (compounds containing hydrogen [H] and carbon [C]) whose molecules contain a pair of carbon atoms linked together by a double bond. Choose a low-pile or looped, Berber carpet style to reduce matting. Most households won’t run into this issue very often, but it is something to consider when olefin is used in industrial environments. Also while olefin and nylon fibers are the two most popular carpet materials, nylon has some advantages over olefin. Olefine definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Many different styles and colors: If it’s variety you’re after, olefin carpet has a lot to offer. [French (gaz) oléfiant, oil-forming (gas), ethylene : Latin oleum, oil; see oil + French -fiant, present participle of -fier, -fy.] Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. Olefin: A Superior Outdoor Fabric with an Eco-Friendly Twist. In the simple example below, symmetrical disubstituted olefins (each with blue or red substituents) are converted to the non-symmetrical olefins (with one blue and one red substituent). In gasoline, olefins contribute to octane, which is beneficial.However, because they tend to form harmful deposits inside of engines, there are typically limits set on total olefin content. Olefin contents in hydrocarbon carbon number fractions for several times of reaction and the 3 catalysts are shown in Fig. Gleichzeitig ist es ein sehr leichtes Material, welches das Schirmmodell nicht unnötig beschwert und das Gestell entsprechend gering belastet. Olefin is one of the most colorfast fibers on the market. Propylene is incorporated at 30–50 mol% in TFE/P copolymers or TFE/P/VDF terpolymers. Olefin Metathesis  involves two olefin substrates which form a four-membered ring intermediate (first proposed by Chauvin) and then rearrange the substituents to form two new carbon-carbon double bonds. Olefin is great for use in many different environments, but it is also heat sensitive. See more. Olefins are hydrocarbons that have one or more double or triple bonds between carbon atoms in their linear chain. DuPont produces Tyvek fabric that is used for disposable outerwear, wristbands, and shipping supplies from olefin that is made up of 25 percent recycled materials. Olefins. It will work as long as you understand it a short life rug. Olefin fabric is known to be a lightweight, yet tough fabric, which takes away moisture from the skin and is stain-resistant. As Olefin is tough to dye once woven, the colour process occurs before/during the time the plastic pellets are melted. Polyolefin, any of a class of synthetic resins prepared by the polymerization of olefins. Olefine ist ein besonders in der petrochemischen Industrie verwendeter Oberbegriff für alle acyclischen und cyclischen Kohlenwasserstoffe mit einer oder mehreren Kohlenstoff-Kohlenstoff-Doppelbindungen.Ausgenommen davon sind aromatische Verbindungen. Definition, Rechtschreibung, Synonyme und Grammatik von 'Olefin' auf Duden online nachschlagen. The term olefin is another name used for alkenes since these compounds are able to form oily liquids on reaction with chlorine gas. Even walking on an olefin carpet with bare feet can leave enough oil to begin creating foot traffic patterns. The fabric material olefin is a man-made fiber that was created from plastic pellets that are melted down, and then forced through a spinneret to create the fiber. Feedstock and olefins required for Borealis and Borouge plants are either sourced from its owners or purchased from the markets. Benefits of Olefin Fabric: Eco-Friendly, manufacturing Olefin creates very little waste. These properties give this fabric an absolute advantage over many other fabrics that are available in the market today. Olefin carpet is more vulnerable to wear than nylon carpet is. Lernen Sie die Übersetzung für 'olefin' in LEOs Englisch ⇔ Deutsch Wörterbuch. fin (ō′lə-fĭn) n. 1.