Abstract:
Disclosed are a monomer for a hardmask composition represented by the Chemical Formula 1, a hardmask composition including the monomer, and a method of forming a pattern using the same.
Abstract:
The present invention relates to a dinaphthyl ethylene derivative of formula (I), a process for preparing it, a film prepared from it useful in the manufacture of an organic light emitting device (OLED), an OLED including the film, and the use of the dinaphthyl ethylene derivative in the manufacture of an OLED. Wherein R1 to R16 are defined as in the specification.
Abstract:
Provided is class of compounds of formula (I) wherein X, R1, R2 and R3 have the same meaning as given in the specification capable of releasing fragrant compounds in a controlled manner into the surroundings.
Abstract:
A process for preparing ketones of the general formula (III) where R is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted alkyl radical or an optionally substituted heteroaromatic radical having 5 to 24 carbon atoms, and R1 is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted heteroaromatic radical having 5 to 24 carbon atoms, by reacting alpha-oxo carboxylates of the general formula (I) whereinn and m is a number in the range from 1 to 6,M(m+) is a cation, andR has the meaning indicated for formula (III),with aryl bromides of the general formula (II) R1—Br (II) whereR1 has the meaning indicated for formula (III),in the presence of two transition metals or compounds thereof as catalyst, is described.
Abstract:
Lubricating oil compositions providing superior soot dispersing characteristics, which contain a combination of a high molecular weight dispersant and a soot dispersant comprising a linked aromatic oligomer.
Abstract:
Lubricating oil compositions providing superior soot dispersing characteristics, which contain a combination of a high molecular weight dispersant and a soot dispersant comprising a linked aromatic oligomer.
Abstract:
A process for the liquid phase acylation of aromatic compounds by acyl halides to corresponding acylated aromatic compounds, using a reusable solid catalyst comprising indium halide represented by a formula: MxIn1−xAy(a)/s wherein, S is a porous catalyst support selected from clays, zeolites and zeolite-like materials; M is a metallic chemical element(s) selected from the group consisting of Ga (gallium), Fe (iron), Zn (zinc), Ti (titanium) and a mixture of two or more thereof; In is a metallic chemical element, indium; A is a non-metallic chemical element selected from the group consisting of Cl (chlorine), Br (bromine), I (iodine), F (fluorine) and a mixture of two or more thereof; is mole fraction of M in the metallic elements in the range from 0.01 to 0.99; y is the number of A atoms required to satisfy the valence requirement of MxIn1−x; and a is the loading of MxIn1−x A on the support, S, in the range from 0.05 mmol.g−1 to 5.0 mmol.g−1, at the following reaction conditions: weight ratio of catalyst to acylating agent in the range trom about 0.05 to about 5.0; mole ratio of aromatic compound to acylating agent in the range from about 0.1 to about 100; weight ratio of non-aqueous solvent to aromatic compound in the range from zero to about 100; reaction temperature in the range from about 10° C. to about 300° C.; pressure at least 1.0 atm; gas hourly space velocity of inert gas bubbled through the liquid reaction mixture in the range from zero h−1 to about 5000 h−1; and reaction period in the range from about 0.02 h to about 100 h, is provided.
Abstract:
An oxygen scavenging composition or system is provided comprising an oxygen scavenging material, a photoinitiator, and at least one catalyst effective in catalyzing an oxygen scavenging reaction, wherein the photoinitiator comprises a benzophenone derivative containing at least two benzophenone moieties. A film, a multi-phase composition, a multi-layer composition, a multi-layer film, an article comprising the oxygen scavenging composition, a method for preparing the oxygen scavenging composition, and a method for scavenging oxygen are also provided. Non-extractable benzophenone derivative photoinitiators and methods for preparing same are also provided.
Abstract:
NOVEL TETRAHYDRO-ISOQUINOLINES BEARING IN THE 2-POSITION A SUBSTITUTED PHENYLPROPYLENE GROUP AND PROCESSES FOR THE PREPARATION THEREOF ARE DISCLOSED. THESE NOVEL DERIVATIVES ARE USEFUL AS ANALGESIC AND ANTITUSSUVE AGENTS AND TO REDUCE INTESTINAL MOTILITY.