Patent classifications
C08G2261/1414
Resin composition and article made therefrom
A resin composition comprises a prepolymer of crosslinking agent and benzoxazine resin and a maleimide resin. The resin composition may be used to make various articles, such as a prepreg, a resin film, a resin-coated copper, a laminate or a printed circuit board, and achieves improvements in at least one, more or all of the properties including laminate reflow shrinkage, T288 thermal resistance, ten-layer board T300 thermal resistance, dissipation factor, copper foil peeling strength, and resin filling property in open area.
LIGHT EMITTING DEVICE AND COMPOSITION FOR LIGHT EMITTING DEVICE
A composition which is useful for producing a light emitting device having excellent external quantum efficiency and a light emitting device containing the composition are described. The light emitting device contains an anode, a cathode, and an organic layer disposed between the anode and the cathode and contains a composition containing at least two compounds (A) selected from the group consisting of a compound represented by the formula (FH) and a polymer compound containing a constitutional unit having a group obtained by removing from a compound represented by the formula (FH) one or more hydrogen atoms, and a compound (B) having a condensed hetero ring skeleton (b) containing a boron atom and a nitrogen atom in the ring.
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Gold catalyzed polymerization reactions of unsaturated substrates
The present invention provides novel methods and processes for polymerizing unsaturated substrates, such as alkyne bearing monomers, with arenes. The polymerizations are catalyzed by gold (Au) catalysts/complexes and/or other cocatalysts. The invention further provides novel structurally complex polymers prepared in high yield via an intermolecular polyhydroarylation mechanism. Such resulting products comprise oligomeric and polymeric materials with novel molecular architectures and microstructures, which subsequently impart unique properties. The invention includes both the synthesis methods and processes and the resulting compounds and compositions of matter.
LIGHT EMITTING DEVICE AND COMPOSITION FOR LIGHT EMITTING DEVICE
A composition which is useful for producing a light emitting device having excellent light emission efficiency and a light emitting device containing the composition are described. The light emitting device contains an anode, a cathode, and an organic layer disposed between the anode and the cathode and contains a composition containing a metal complex represented by the formula (2), and a compound (B) having a condensed hetero ring skeleton (b) containing a boron atom and at least one selected from the group consisting of an oxygen atom, a sulfur atom, a selenium atom, an sp.sup.3 carbon atom and a nitrogen atom in the ring.
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FORMULATION CONTAINING A CROSSLINKABLE POLYMER
The present invention relates to a formulation comprising at least one crosslinkable polymer and at least one organic solvent, wherein the at least one crosslinkable polymer is contained in the formulation in a concentration of at least 0.5 g/L, wherein the at least one organic solvent has a boiling point of at least 200° C., characterized in that the solubility of the at least one crosslinkable polymer in the at least one organic solvent is such that the crosslinkable polymer at a concentration of 30 g/L starts to precipitate if 60 vol.-% or less of ethanol is added to the formulation, to the use of these formulations for the preparation of electronic or optoelectronic devices, to a process for the preparation of electronic or optoelectronic devices using these formulations as well as to electronic or optoelectronic devices.
Branched multi-functional macromonomers and related polymers and uses thereof
Disclosed are methods, compositions, reagents, systems, and kits to prepare and utilize branched multi-functional macromonomers, which contain a ring-opening metathesis polymerizable norbornene group, one or more reactive sites capable of undergoing click chemistry, and a terminal acyl group capable of undergoing a coupling reaction; branched multi-cargo macromonomers; and the corresponding polymers are disclosed herein. Various embodiments show that the macromonomers and polymers disclosed herein display unprecedented control of cargo loading of agents. These materials have the potential to be utilized for the treatment of diseases and conditions such as cancer and hypertension.
SHELF LIFE STABLE AND IMPROVED MASS POLYMERIZABLE POLYCYCLIC-OLEFINIC COMPOSITIONS
Embodiments in accordance with the present invention encompass compositions containing one or more polycycloolefinic monomers, optionally at least one multifunctional olefinic monomer and a suitable solvent, which exhibits long shelf life stability and undergoes mass polymerization only when subjected to a suitable temperature to provide a three-dimensional insulating articles. Embodiments of this invention exhibit hitherto unattainable properties, such as for example, low dielectric constant and low loss properties, and very high thermal properties, among others. The compositions of this invention may additionally contain one or more organic or inorganic filler materials, which provide improved thermo-mechanical properties in addition to very low dielectric properties. In general the compositions are stable at room temperature for an extended period of time lasting up to a few weeks and undergo mass polymerization only when subjected to suitable higher temperatures generally above 100° C. The compositions of this invention are useful in various applications, including as insulating materials in millimeter wave radar antennas, among others.
Charge transporting semi-conducting material and semi-conducting device
The present invention relates to a charge transporting semi-conducting material comprising: a) optionally at least one electrical dopant, and b) at least one cross-linked charge-transporting polymer comprising 1,2,3-triazole cross-linking units, a method for its preparation and a semiconducting device comprising the charge transporting semi-conducting material.
Method of light-promoted frontal ring-opening metathesis polymerization
A method of light-promoted frontal ring-opening metathesis polymerization includes providing a monomer solution including dicyclopentadiene, a ruthenium-based catalyst and a phosphite inhibitor, and exposing the monomer solution to ultraviolet light having a wavelength in a range from 315 nm to 400 nm, thereby initiating an exothermic polymerization reaction and generating a self-propagating polymerization front. The polymerization front moves through the monomer solution and polymerizes the dicyclopentadiene.
COMPOSITION FOR FORMING ORGANIC FILM, PATTERNING PROCESS, AND COMPOUND AND POLYMER FOR FORMING ORGANIC FILM
A composition for forming an organic film, containing: a material for forming an organic film shown by the following general formula; and an organic solvent, where R.sub.1 represents a hydrogen atom, an allyl group, or a propargyl group, R.sub.2 represents a nitro group, a halogen atom, a hydroxy group, an alkyloxy group having 1 to 4 carbon atoms, an alkynyloxy group having 2 to 4 carbon atoms, an alkenyloxy group having 2 to 4 carbon atoms, a linear, branched, or cyclic alkyl group having 1 to 6 carbon atoms, a trifluoromethyl group, or a trifluoromethyloxy group, m = 0 or 1, n = 1 or 2, 1 = 0 or 1, k represents an integer of 0 to 2, W represents a divalent organic group having 1 to 40 carbon atoms, and each V independently represents a hydrogen atom or a linking moiety.
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