aliphatic compound

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aliphatic compound

(ăl'əfăt`ĭk), any of a large class of organic compounds whose carbon atoms are joined together in straight or branched open chains rather than in rings. The hydrocarbons of the alkanealkane
, any of a group of aliphatic hydrocarbons whose molecules contain only single bonds (see chemical bond). Alkanes have the general chemical formula CnH2n+2.
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, alkenealkene
, any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon double bonds (see chemical bond). Alkenes with only one double bond have the general formula CnH2n.
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, and alkynealkyne
, any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon triple bonds (see chemical bond). Alkynes with one triple bond have the general formula CnH2n−2.
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 series are aliphatic compounds, as are fatty acidsfatty acid,
any of the organic carboxylic acids present in fats and oils as esters of glycerol. Molecular weights of fatty acids vary over a wide range. The carbon skeleton of any fatty acid is unbranched. Some fatty acids are saturated, i.e.
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 and many other compounds. Most compounds containing rings are aromatic compoundsaromatic compound,
any of a large class of compounds that includes benzene and compounds that resemble benzene in certain of their chemical properties. Originally applied to a small class of pleasant-smelling chemicals derived from vegetables, it now encompasses a wide diversity
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; compounds that contain a ring but are not aromatic compounds are called alicyclic.
References in periodicals archive ?
Compounds of polyethylene with appropriate quats should therefore self-organize, enriching the quats at the surface, pointing the quaternary ammonium head out of the polyethylene, and finally anchoring the quat with at least one long hydrocarbon chain in the polymer.
These ionic bonds exhibit both good heat aged stability and the ability to slip along the hydrocarbon chain, even break and reform.
These observations helped to identify the position of the double bond in hydrocarbon chain. In addition, the resonance of an oxymethylene in 1H-NMR spectrum appeared at d 3.99 (2H, t, J = 6.9 Hz), which showed COSY correlation with another methylene at d 1.70 (2H, m), which in turn was correlated with a broad singlet of several aliphatic methylenes at d 1.16-1.30.
This may be due to the formation of ionic clusters or aggregates in the vicinity of the hydrocarbon chains, which act as weak physical crosslinks in the matrix.
Consistent with the Kingdoms Vision 2030 economic transformation program, this project will support the creation of a world-leading downstream sector in Saudi Arabia, built on four key drivers: maximizing value from the Kingdoms crude oil production via integration across the hydrocarbon chain; enabling the creation of conversion industries to produce semi-finished and finished goods to help diversify the economy; developing advanced technologies and innovation; and enabling sustainable development in alignment with the Kingdoms National Transformation Program.
Kiennemann, Effects of Highly Dispersed Ceria Addition on Reducibility, Activity and Hydrocarbon Chain Growth of a Co/SiO2 FischerTropsch Catalyst, Catal.
Saitta and his colleagues modeled the physical behavior of a knotted hydrocarbon chain, representing a portion of a polyethylene molecule.
In contrast, polysulfide crosslinks formed in sulfur cure are thermally weak but are mobile under stress and can slip along the hydrocarbon chain. This mobility has been used to explain the superior tensile and tear strength in sulfur cured stocks.
A surfactant molecule can be thought of as being shaped a little like a balloon on a string, a bulky functional group attached to a long hydrocarbon chain. The functional group is designed to be polar, while the hydrocarbon chain is neutral.
Consistent with the Kingdom of Saudi Arabia Vision 2030 goals, this project will provide new opportunities toward creating a world leading downstream sector in Saudi Arabia, built on four key drivers: maximizing value from the Kingdoms crude oil production via vertical and horizontal integration across the hydrocarbon chain; enabling the creation of conversion industries that produce semi-finished and finished goods to help diversify the economy; developing advanced technologies and innovation; and, enabling the Kingdoms sustainable development in alignment with the Kingdoms National Transformation Program.
The cooperation will be in the field of exchanging expertise and knowledge in various segments of the hydrocarbon chain, mainly in the domain of research and development.
Consistent with the Kingdom of Saudi Arabia Vision 2030 goals, this project will provide new opportunities toward creating a world leading downstream sector in Saudi Arabia built on four key drivers: maximising value from the kingdom's crude oil production via vertical and horizontal integration across the hydrocarbon chain; enabling the creation of conversion industries that produce semi-finished and finished goods to help diversify the economy; developing advanced technologies and innovation; and enabling the kingdom's sustainable development in alignment with the its National Transformation Programme, the statement said.