摘要:
Branched fatty compounds are made by a process which comprises reacting an unsaturated fatty compound and an α-olefin in the presence of a transition metal catalyst and a solvent mixture wherein the solvent mixture is a single liquid phase above 20° C. and is two liquid phases below 20° C.
摘要:
A method of tackifying an adhesive is provided, the improvement comprising the use of a copolymer consisting of monomer units derived monomers consisting of: (A) 10 to 50% by weight of a terpene with no conjugated double bonds, (B) 20 to 50% by weight of a member selected from the group consisting of olefinically unsaturated monocarboxylic acids containing 3 to 5 carbon atoms and anhydrides thereof, and olefinically unsaturated dicarboxylic acids containing 3 to 5 carbon atoms and anhydrides thereof, and (C) 40 to 50% by weight of an ester selected from the group consisting of esters and semiesters of olefinically unsaturated monocarboxylic containing 3 to 5 carbon atoms and esters and semiesters of olefinically unsaturated dicarboxylic acids containing 3 to 5 carbon atoms, with the proviso that the sum total of said monomers is 100% by weight.
摘要:
Saturated, branched C.sub.21-28 fatty acids or esters thereof esterified with C.sub.1-36 alkanols produced by the process comprising: (a) reacting unsaturated fatty acids containing 18 to 22 carbon atoms and more than one olefinic bond or esters thereof esterified with C.sub.1-36 alkanols with propylene at a temperature of from about 50.degree. C. to about 140.degree. C. and at a pressure of from about 5 to about 40 bar in the presence of transition metal compounds selected from the group consisting of Ru, Rh, Pd, Ir, or Pt wherein the molar ratio of propylene to fatty acid or fatty acid ester is from about 1:1 to about 2:1 to form an olefinically unsaturated adduct and, (2) hydrogenating said adduct in the presence of a hydrogenation catalyst at a temperature of from about 70.degree. C. to about 120.degree. C. and under a hydrogen pressure of from 10 to about 30 bar; the process for producing the above acids or esters; and the process for depressing the pour point of a lubricant by adding to the lubricant a pour point depressing quantity thereof.
摘要:
Octyl ethers and octadienyl ethers of glucose, sucrose, are disclosed. Compositions comprised of a mixture of octyl ethers of glucose and sucrose and those containing octadienyl ethers of sugar acids are also disclosed.
摘要:
Process for the production of oligomeric fatty acids and lower alkyl esters thereof in which fatty acids containing 16 to 24 carbon atoms and 2, 3, 4 or 5 double bonds and/or lower alkyl esters thereof are oligomerized with C.sub.1-4 alcohols at an elevated temperature in the presence of a tin halide catalyst, optionally in combination with a halide of titanium, iron, cobalt, nickel, lead, and/or germanium.
摘要:
Branched fatty substances may be produced by reacting maleic acid anhydride with fatty acids having 16 to 24 carbon atoms and 1, 2, 3, 4, or 5 double bonds, or the esters of such acids, with alcohols containing 1 to 4 carbon atoms, in the presence of at least one rhodium and/or platinum catalyst.
摘要:
Olefinically unsaturated adducts of ethylene on polyunsaturated fatty acids with 18 to 22 carbon atoms or on esters of these fatty acids with C.sub.1 -C.sub.36 alkanols in molar ratios of ethylene to fatty acids or fatty acid esters in the range from 1:1 to 3:1 obtainable by reacting the fatty acids or fatty acid esters with ethylene at elevated temperature and pressure in the presence of compounds of the transition metals Ru, Rh, Pd, Ir and Pt as catalysts to form an olefinically unsaturated adduct.
摘要:
Octyl ethers and octadienyl ethers of glucose, sucrose, bisphenol A, 4-substituted-2,2,6,6-tetramethylpiperidines are disclosed. Compositions comprised of a mixture of octyl ethers of glucose and sucrose and those containing octadienyl ethers of sugar acids and ring-opened epoxidized octadienyl ethers are also disclosed as are telomerization processes.
摘要:
A device for carrying out gas reactions, comprising a plasma reactor with a through-flow of gases which has a, particularly cylindrical, plasma chamber, wherein flow-forming elements for forming a flow of gases are arranged before and/or in and/or after the plasma reactor in order to form a gas stream within the plasma chamber such that at least one, particularly central, zone in the gas flow is formed which is flow-reduced. A method for carrying out gas reactions is also provided.
摘要:
The invention relates to a method for producing a mixture of substances comprising a higher tertiary butyl ether of glycerol, comprising the steps: acid-catalyzed reaction of isobutene with glycerol to form a reaction mixture, and extraction of at least part of the reaction mixture from step a by means of at least one solvent, wherein the solvent or the mixture of solvents comprises an ET(30) value of=35.0.