Patent classifications
C08G2261/1422
CHARGE-TRANSPORTING COMPOSITION
Provided is a charge-transporting composition that contains: a charge-transporting substance comprising a polythiophene derivative of formula (1) or an amine adduct thereof; an organosilane compound selected from fluoroalkyl-group-containing silanes, etc.; metal oxide nanoparticles; and an organic solvent.
##STR00001##
(R.sup.1 and R.sup.2 are, mutually independently, a hydrogen atom, a C1-40 alkoxy group, —O—[Z—O].sub.p—R.sup.e, a sulfonic acid group, etc., or are —O—Y—O— formed by the bonding of R.sup.1 and R.sup.2; Y is a C1-40 alkylene group that may contain an ether bond, or may be substituted with a sulfonic acid group; Z is a C1-40 alkylene group that may be substituted with a halogen atom; p is an integer of 1 or greater; and R.sup.e is a hydrogen atom, a C1-40 alkyl group, etc.)).
PHOTOSENSITIVE COMPOSITIONS AND APPLICATIONS THEREOF
The present invention relates to photosensitive compositions containing polynorbornene (PNB) polymers and certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs and certain multifunctional crosslinking agents, and two or more phenolic compounds which are resistant to thermo-oxidative chain degradation and exhibit improved mechanical properties.
Poly(phenylene) with High Ion Selectivity for Use in Anion Exchange Membranes
A method for synthesizing a poly(phenylene) with high ion selectivity comprises dissolving an alkyl halide poly(phenylene) in a polar aprotic solvent to form a nonaqueous solution and adding an anhydrous nucleophile to the nonaqueous solution to replace the halide of the alkyl halide poly(phenylene) with a cationic group of the nucleophile. The poly(phenylene) can be used in anion exchange membranes.
Metathesis polymerization methods
The present disclosure is directed to methods of making a polymer, including exposing a reaction mixture including a strained cyclic unsaturated monomer and an organic initiator to a stimulus to provide an activated organic initiator, whereby the activated organic initiator is effective to polymerize the strained cyclic unsaturated monomer via a 4-membered carbocyclic intermediate to provide a polymer having constitutional units derived from the strained cyclic unsaturated monomer.
Dicyclopentadiene derivatives and polymers thereof
Dicyclopentadiene (DCPD) derivatives of following general formula (I); their preparation and use thereof, especially as monomers in polymerization reactions, such as olefin polymerization or ring-opening metathesis polymerization (ROMP). ##STR00001##
Methods for preparing materials from polyaromatic heavy feedstocks
The present disclosure relates to methods for preparing materials from heavy feedstocks. In particular, the disclosure provides a chemical process to convert heavy feedstocks with predominant polyaromatic hydrocarbon molecules or species, including the residues of petrochemical refining or extraction, into thermoset or thermoplastic materials that can be used alone or as a component in a composite material.
STABLE POLYCYCLOOLEFIN POLYMER AND INORGANIC NANOPARTICLE COMPOSITIONS AS OPTICAL MATERIALS
Embodiments in accordance with the present invention encompass compositions encompassing a latent organo-ruthenium catalyst, an organo-ruthenium compound and a pyridine compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said composition is heated to a temperature from 80 C. to 150 C. or higher to form a substantially transparent film. Alternatively the compositions of this invention also undergo polymerization when subjected to suitable radiation. The monomers employed therein have a range of refractive index from 1.4 to 1.6 and thus these compositions can be tailored to form transparent films of varied refractive indices. The compositions of this invention further comprises inorganic nanoparticles which form transparent films and further increases the refractive indices of the compositions. Accordingly, compositions of this invention are useful in various opto-electronic applications, including as coatings, encapsulants, fillers, leveling agents, among others.
Functional bottlebrush polymers
An example of a bottlebrush polymer has a polymer backbone and a plurality of individual brush moieties bonded to the polymer backbone. The individual brush moieties respectively including a ketone, a hydrophilic segment, and a surface adhesive terminal group. The brush moieties can be functionalized and/or cross-linked.
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.
Alkylphenol Copolymer
An alkylphenol copolymer, such as for use in a petroleum composition, is provided. The alkylphenol copolymer has at least the following repeating unit (I):
##STR00001## wherein: A is a direct bond or an alkylene; X is C(O)O, OC(O), C(O)N(R.sub.6), N(R.sub.6)C(O), C(O), N(R.sub.6), O, or S; R.sub.6 is H or an alkyl; R.sub.1 includes a C.sub.1-C.sub.80 alkyl, a C.sub.2-C.sub.20 alkenyl, a C.sub.2-C.sub.20 alkynyl, a C.sub.3-C.sub.12 aryl, or a polyether; and n is an integer from 1 to 200.
The present invention also provides a method for forming the alkylphenol copolymer containing the aforementioned repeating unit (I) as well as a method for forming a monomer for forming repeating unit (I).