10 results about "Linear alpha olefin" patented technology

The composition includes from about 50 to about 95 wt % of polyvinyl chloride polyvinyl chloride and from about 0.1 to about 3 wt % of a first lubricant, each based on a total weight of the composition, wherein the first lubricant includes a dimerization product of at least two linear alpha olefins that each includes from about 20 to about 24 carbon atoms; and wherein the dimerization product includes a first compound having from about 33 to about 44 carbon atoms and a second compound having from about 45 to about 60 carbon atoms.

The present disclosure provides a catalytic process for the selective isomerization of 2-ethyl-1-butene in a linear alpha olefin stream, the catalytic process comprising: feeding a linear alpha olefin stream comprising linear alpha olefins and 2-ethyl-1-butene to a reactor containing a modified alumina catalyst to isomerize at least a portion of the 2-ethyl-1-butene to cis- or trans-3-methyl-2-pentene, wherein the period during which the feeding occurs is a flow time; withdrawing an effluent from the reactor containing less 2-ethyl-1-butene than the linear alpha olefin stream; and periodically regenerating the modified alumina catalyst by introducing a non-oxidizing environment into the reactor at flow time intervals of not more than about 200 hours, wherein the reactor is subjected to the non-oxidizing environment for a period of about 15 hours or longer, and the non-oxidizing environment has a temperature of about 250°C or greater for at least a portion of the period.

The present disclosure provides a method for purifying a linear alpha olefin product, the method comprising the steps of: feeding a linear alpha olefin feed stream comprising a linear alpha olefin product and ethylene to a feed stage of a distillation column, the distillation column having a plurality of stacked stages disposed between an overhead outlet and a bottom reboiler, the stacked stages comprising a stripping section and a rectification section; feeding an aliphatic paraffin hydrocarbon solvent to the rectification section of the distillation column to absorb the linear alpha olefins; adding heat to at least one of the plurality of stacked stages in the stripping section of the distillation column between the feed stage and the bottom reboiler; withdrawing an overhead stream comprising ethylene from the overhead outlet; and withdrawing a bottoms stream comprising the linear alpha olefin product from the distillation column.

Branched paraffins formed as a hydrogenated reaction product of one or more linear alpha olefins (LAOs) oligomerized with a BF; catalyst system and comprising at least about 90 wt. % branched paraffin dimers may have advantageous heat transfer properties. Heat transfer fluids comprising the branched paraffins may be placed in contact with a heat-generating component, such as those found in electric vehicles, battery systems, and other locations in need of thermal management. Branched paraffin dimers formed from one or more LAOs having about 8 to about 12 carbon atoms may collectively have a Mouromtseff Number ranging from about 10,000 to about 16,000 kg / (s2.2·m0.6·K) at 80° C. a thermal conductivity at 80° C. of about 0.125 W / m·K or higher, and a flash point of about 140° C. or higher.

The disclosure provides a catalyst composition for the oligomerization of ethylene to produce one or more linear alpha olefins, the catalyst composition including a chromium compound, a heteroatomic multidentate ligand having an NPNPN backbone, wherein each P is an optionally substituted phosphino group and each N is an optionally substituted amino group, a methylaluminoxane, and triethyl-aluminum.

Methyl paraffins formed by hydrogenating one or more LAO dimers comprising a vinylidene moiety or a trisubstituted olefin moiety may have advantageous heat transfer properties, particularly when incorporated within an electric vehicle. For example, methyl paraffins produced upon hydrogenating LAO dimers formed from one or more C6-C12 LAOS, particularly in the presence of a Hf metallocene catalyst system, may contain 12-24 carbon atoms, and collectively have a flash point of about 130° C. or above, a pour point of about −42° C. or lower, a thermal conductivity at 80° C. of about 0.165 W / m·K or higher, and a Mouromtseff number ranging from about 17,000 to about 27,000 kg / (s2.2·m0.6·K) at 80° C. Heat transfer fluids comprising such methyl paraffins may be placed in contact with a heat-generating component, such as a battery and / or motor of an electric vehicle, or within a similar type of battery system, including immersive configurations for a battery.

The present invention relates to a catalyst capable of improving conversion rate and selectivity in preparing a linear alpha-olefin through a dehydration reaction of a primary alcohol, a method for preparing the same, and a method for preparing a linear alpha-olefin using the same. A catalyst having optimized acid sites and base sites can be provided through an interaction between cerium oxide and aluminum oxide, and by applying the same to a dehydration reaction of a primary alcohol, selectivity and conversion rate for a linear alpha-olefin can be improved. In addition, the yield of a linear alpha-olefin can be improved by controlling conditions such as a supported amount of cerium of the catalyst and a reaction temperature, and linear alpha-olefins can be prepared in an environmentally friendly and economical manner by exhibiting an effect of improving selectivity even for biomass-derived alcohols having 5 or more carbon atoms.

Embodiments of the present disclosure generally relate to adhesive compositions, and more particularly, to the use of polyolefin adhesive compositions for hot melt adhesive applications. In an embodiment, a composition includes a polymer, a resin, and an olefin wax. In an embodiment, an olefin wax may be a linear alpha olefin.

The composition includes from about 50 to about 95 wt% of polyvinyl chloride polyvinyl chloride and from about 0.1 to about 3 wt% of a first lubricant, each based on a total weight of the composition, wherein the first lubricant includes a dimerization product of at least two linear alpha olefins that each includes from about 20 to about 24 carbon atoms; and wherein the dimerization product includes a first compound having from about 33 to about 44 carbon atoms and a second compound having from about 45 to about 60 carbon atoms.

To provide a method for producing an isomerized olefin, a branched aldehyde, a branched alcohol, a branched surfactant and other branched derivatives by isomerization, hydroformylation, hydrogenation, surfactant formation reaction and other derivative formation reaction using an inexpensive α - olefin as a raw material.SOLUTION: Providing a first catalyst comprising an organometallic complex comprising at least one of rhodium and cobalt and at least one organic phosphorus ligand, providing a mixture of one or more C4-C36 linear alpha olefins, providing a gaseous phase comprising carbon monoxide, and isomerizing the linear alpha olefins with the first catalyst at a first pressure in the presence of the carbon monoxide; The method for producing a branched product includes a step of producing an isomerized olefin and a step of hydroformylating the isomerized olefin with a first catalyst in the presence of carbon monoxide and hydrogen at a second pressure different from a first pressure to produce a branched aldehyde.SELECTED DRAWING: Figure 1