C08J2381/02

Polymer and resin composition containing the same

A resin composition capable of forming a cured film having a high refractive index, high transparency and high heat resistance, and a polymer which is used for the resin composition. A polymer having a structural unit of Formula (1): ##STR00001##
wherein A.sub.1 and A.sub.2 are each independently an O group or a C(O)O group; X is a divalent organic group having at least one aromatic ring or heterocyclic ring, wherein, when the X has two or more aromatic rings or heterocyclic rings, the rings are optionally bonded to each other via a single bond, are optionally bonded to each other via a heteroatom, or optionally form a condensed ring; and Y is a divalent organic group having at least one aromatic ring or condensed ring. A resin composition, includes: the polymer; a cross-linking agent; and a solvent.

Lightweight particles and compositions containing them

Low density particles that have an exterior surface coated with a thin polymeric coating of an aminoplast can be used in aerospace sealants to reduce the specific gravity of a sealant.

Facile Assembly of Soft Nanoarchitectures and Co-Loading of Hydrophilic and Hydrophobic Molecules via Flash Nanoprecipitation
20200255603 · 2020-08-13 ·

Described herein are flash nanoprecipitation methods capable of encapsulating hydrophobic molecules, hydrophilic molecules, bioactive protein therapeutics, or other target molecules in amphiphilic copolymer nanocarriers.

Sizing-coated carbon fiber bundle, thermoplastic resin composition, molded body, method for manufacturing sizing-coated carbon fiber bundle, and method for manufacturing molded body

Provided is a sizing-coated carbon fiber bundle that exhibits good spreadability in a step for spreading sizing-coated carbon fibers even in the case in which said carbon fibers exhibit a high adhesiveness with respect to a thermoplastic resin. Provided is a sizing-coated carbon fiber bundle that contains, as sizing components, at least a compound (A) containing an amino group or an amide group.

ACTIVATING SURFACES FOR SUBSEQUENT BONDING
20200239655 · 2020-07-30 ·

A method of activating a surface of a plastics substrate formed from: (a) polyaryletherketone such as polyether ether ketone (PEEK) polyether ketone ketone (PEKK), polyether ketone (PEK); polyether ether ketone ketone (PEEKK); or polyether ketone ether ketone ketone (PEKEKK); (b) a polymer containing a phenyl group directly attached to a carbonyl group, optionally wherein the carbonyl group is part of an amide group, such as polyarylamide (PARA); (c) polyphenylene sulfide (PPS); or (d) polyetherimide (PEI); for subsequent bonding, the method comprising the step of exposing the surface to actinic radiation wherein the actinic radiation: includes radiation with wavelength in the range from about 10 nm to about 1000 nm; the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cm.sup.2 to about 300 J/cm.sup.2.

Hard to bond substrates are then more easily subsequently bonded for example using acrylic, epoxy or anaerobic adhesive.

METHODS AND COMPOSITIONS FOR CURING A SURFACE OF AN UNCURED POLYSULFIDE RUBBER
20200190226 · 2020-06-18 ·

Disclosed are compositions comprising a liquid carrier, a polysulfide rubber curing agent, a metal cation, and an ionic liquid. Also disclosed are methods for curing a surface of an uncured polysulfide rubber. These methods involve applying the disclosed compositions to the surface of the uncured polysulfide rubber.

Method of fabricating a loaded powder, and a product made of electrically conductive composite materials
10655021 · 2020-05-19 · ·

A method of fabricating an electrically conductive loaded powder of thermoplastic polymers. The method comprises the steps of making an original powder containing cores made of thermoplastic polymers and of making the loaded powder by using electrically conductive submicrometer filaments and wax, forming a plurality of particulate compounds each comprising one of the cores together with at least one of the filaments and a protective membrane of the wax.

POLYSULFIDE COPOLYMER PARTICLE AND METHOD OF PREPARING THE SAME
20200140627 · 2020-05-07 ·

The present disclosure relates to a polysulfide copolymer particle and a method of preparing the polysulfide copolymer particle.

VOLTAGE-CONTROLLED ANION EXCHANGE MEMBRANE ENABLING SELECTIVE ION AFFINITIES FOR WATER DESALINATION AND DEVICE CONTAINING THE SAME

A desalination device includes a container, first and second electrodes, an anion exchange membrane (AEM), and a power source. The container contains saline water that has an elevated concentration of dissolved salts. The AEM separates the container into first and second compartments into which the first and second electrodes, respectively, are arranged. The AEM has a continuous porous structure and a plurality of negatively-charged oxygen functional groups coupled to the porous structure. The power source is configured to selectively apply a voltage to one of the first and second electrodes. The AEM has a selective permeability when the voltage is applied such that cations in the saline water solution have a first diffusion rate d.sub.1 therethrough and anions in the saline water solution have a second diffusion rate d.sub.2 therethrough. The first diffusion rate d.sub.1 is less than the second diffusion rate d.sub.2 and greater than or equal to zero.

CASE, PREPARATION METHOD THEREOF AND ELECTRONIC PRODUCT
20200086539 · 2020-03-19 ·

The present disclosure provides a case, a preparation method thereof and an electronic product. The case includes a glass cover plate, a plastic frame body and a metal substrate frame, where the glass cover plate, the plastic frame body and the metal substrate frame are sequentially bonded without steps. The method includes: (1) coating an edge of a glass cover plate with a first activator, and then drying; and (2) bonding the glass cover plate obtained in step (1) with a metal substrate frame by injection molding.