Topic
Aromatic hydrocarbon
About: Aromatic hydrocarbon is a research topic. Over the lifetime, 5814 publications have been published within this topic receiving 55499 citations. The topic is also known as: arene & arenes.
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Patent•
16 Oct 1984TL;DR: In this paper, a process to convert alkyl aromatic hydrocarbons substantially by hydrodealkylation is described, which involves contacting an alkyln aromatic hydrocarbon feed under conversion conditions with an intermediate pore crystalline aluminosilicate zeolite-based catalyst composition on which has been placed a molybdenum-containing compound.
Abstract: A process to convert alkyl aromatic hydrocarbons substantially by hydrodealkylation comprises contacting an alkyl aromatic hydrocarbon feed under conversion conditions with an intermediate pore crystalline aluminosilicate zeolite-based catalyst composition on which has been placed a molybdenum-containing compound.
15 citations
Patent•
27 Mar 2008
TL;DR: In this article, the authors proposed a method for economically producing 6-8C aromatic hydrocarbons such as benzene, toluene, and 8C aromatic oils from heavy oil.
Abstract: PROBLEM TO BE SOLVED: To provide a method for economically producing 6-8C aromatic hydrocarbons such as BTX i.e. benzene, toluene and 8C aromatic hydrocarbons from LCO which is heavy oil. SOLUTION: The method for economically producing 6-8C aromatic hydrocarbons by: contacting a raw materials including LCO with a metal-carrying catalyst in the presence of hydrogen; converting naphthalene or alkylnaphthalene included therein into tetralin or alkyltetralin by hydrogenated one-side nuclear hydrogenation; further contacting tetralin or alkyltetralin with a metal-carrying acid type zeolite catalyst under a certain hydrogenation condition; hydrogenation ring-opening reaction; hydrogenation dealkylation reaction; and transformer alkylation reaction. COPYRIGHT: (C)2010,JPO&INPIT
15 citations
TL;DR: In this paper, the photoreaction of 1-cyano-2-phenylethene and 1-1-dicyano-2 -phenylthene with β,β-dialkyl-substituted ketene silyl acetals in acetonitrile in the presence of aromatic hydrocarbon as a photosensitizer regioselectively afforded alkylated products.
15 citations
Patent•
13 Mar 1986TL;DR: The terpolymers are useful as tackifiers in adhesive compositions and have a Ring and Ball softening point of 69° C. to 130° C as discussed by the authors. But they are not suitable for adhesives.
Abstract: Disclosed are terpolymers having a Ring and Ball softening point of 69° C. to 130° C. prepared from a vinyl-substituted aromatic hydrocarbon, a monoterpene hydrocarbon and a phenol. The terpolymers are useful as tackifiers in adhesive compositions.
15 citations
TL;DR: In this paper, an application of the pore filling concept yielded highperformance composite membranes for the selective pervaporation (PV) separation of aromatic/nonaromatic hydrocarbon mixtures.
Abstract: An application of the pore filling concept yielded high-performance composite membranes for the selective pervaporation (PV) separation of aromatic/nonaromatic hydrocarbon mixtures. Asymmetric polyacrylonitrile (PAN) membranes (average pore size of about 12 nm) were used as support for polymeric PV separation phases which were prepared in situ by heterogeneous photo-initiated graft copolymerization. The impact of chain length of methyl polyoxyethylene (meth)acrylates and preparation parameters (UV irradiation time and degree of grafting) were analysed using PV with toluene/heptane (20/80 wt-ratio; 80 °C) as model feed. High selectivity and high permeate fluxes were achieved. Major reasons for the excellent performance were the small effective PV barrier thickness (< 5μm) and the covalent anchoring of the coated polymer.
15 citations