C08L2203/20

Electrospun collagen-graphene-polymer composite nanofibers for supercapacitors

Disclosed herein is a composite material that is formed from a polymer, acetylated collagen and graphene, which can be used as a super-capacitor material. Also disclosed herein are methods of making said composite material and its intermediates, as well as a supercapacitor made using said material.

Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin composition including same, and molded product thereof

Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a):
15≤wM1  (F1a)
wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.

Thermoplastic polyurethane compounds exhibiting stain resistance and enhanced UV stability
11697733 · 2023-07-11 · ·

Thermoplastic articles are molded from thermoplastic polyurethane compounds including blends of aromatic polycaprolactone thermoplastic polyurethane and aliphatic polycaprolactone thermoplastic polyurethane. The thermoplastic articles can have enhanced stability against exposure to ultraviolet (UV) light relative to thermoplastic articles molded from thermoplastic polyurethane compounds including only aromatic polycaprolactone thermoplastic polyurethane as the thermoplastic polyurethane component. Additionally, the thermoplastic articles can have good stain resistance, good clarity (i.e., low haze), and other desirable properties.

MOLDING COMPOSITIONS BASED ON POLYAMIDE, ON CARBON FIBERS AND ON HOLLOW GLASS BEADS AND USE THEREOF
20230212393 · 2023-07-06 · ·

Molding composition, including by weight: (A) from 38 to 79.5% of at least one semi-crystalline aliphatic polyamide with the exclusion of PA6 and PA66, (B) from 10 to 20% of carbon fibres, (C) from 10 to 20% of hollow glass beads, (D) from 5.5 to 10% of at least one impact modifier having a flexural modulus of less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178: 2010, at 23° C., and (E) from 0.1 to 1% by weight of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D)+(E) of the composition being equal to 100%.

Binder composition for lithium ion secondary battery electrode-use, slurry composition for lithium ion secondary battery electrode-use, electrode for lithium ion secondary battery-use, and lithium ion secondary battery

Provided is a binder composition for lithium ion secondary battery electrode-use that reduces internal resistance of a lithium ion secondary battery while also providing the lithium ion secondary battery with excellent life characteristics. The binder composition contains a copolymer X and a solvent. The copolymer X is obtained from a monomer composition X that contains at least 20.0 mass % and no greater than 75.0 mass % of an ethylenically unsaturated carboxylic acid compound (A) composed of either or both of an ethylenically unsaturated carboxylic acid and an ethylenically unsaturated carboxylic acid salt, and at least 20.0 mass % and no greater than 75.0 mass % of a copolymerizable compound (B) that has an ethylenically unsaturated bond and a solubility of at least 7 g in 100 g of water at 20° C. The copolymer X has a degree of swelling in electrolysis solution of less than 120 mass %.

THERMALLY CONDUCTIVE ADDITION-CURABLE SILICONE COMPOSITION AND METHOD FOR PRODUCING THE SAME
20230212396 · 2023-07-06 · ·

A thermally conductive addition-curable silicone composition includes: a heat-treated mixture including (A) an organopolysiloxane having at least two alkenyl groups bonded to a silicon atom in one molecule, (B) an organohydrogenpolysiloxane having at least three hydrogen atoms bonded to a silicon atom in one molecule, and (C) aluminum oxide; (D) an organohydrogenpolysiloxane having at least two hydrogen atoms bonded to a silicon atom in one molecule; (E) a platinum-based metal catalyst; and (F) a cation-exchange type and/or both-ions-exchange type ion trap agent. A thermally conductive addition-curable silicone composition can be applied on electric and electronic components and in a module including a circuit substrate mounting these components thereon and can exhibit excellent stress relaxation property and thermal conductivity after cured. In addition, a method for producing the same.

Polyimide copolymer and polyimide film using same
11549013 · 2023-01-10 · ·

A polyimide copolymer according to the present invention has a particular structure in which siloxane structures are distributed in a nanosize in a polymer and thus enables excellent transparency, heat resistance, mechanical strength and flexibility and effective reduction of residual stress, and thus can be used in various fields such as a substrate for a device, a cover substrate for a display, an optical film, an integrated circuit (IC) package, an adhesive film, a multi-layer flexible printed circuit (FPC), tape, a touch panel and a protective film for an optical disk.

LOW-REFRACTIVE-INDEX THERMOSETTING COMPOSITION, OPTICAL MEMBER FORMED THEREFROM, AND DISPLAY DEVICE

The present disclosure relates to a thermosetting composition, an optical member formed therefrom, and a display device, the composition comprising a thermosetting resin, gas-containing particles and a monomer or an oligomer having two or more thermosetting functional groups, thereby having optical effects such as a low refractive index of 1.40 or less on light with a wavelength of 450 nm, high light transmittance, and low haze.

Compositions and methods for dry electrode films including microparticulate non-fibrillizable binders

Provided herein are dry process electrode films, and energy storage devices incorporating the same, including a microparticulate non-fibrillizable binder having certain particle sizes. The electrode films exhibit improved mechanical and processing characteristics. Also provided are methods for processing such microparticulate non-fibrillizable electrode film binders, and for incorporating the microparticulate non-fibrillizable binders in electrode films.

Supramolecular Conductive Polymer Composition

A supramolecular conductive polymer composition comprising; a polymer comprising repeating subunits comprising at least one functional group, for forming a part in a hydrogen bond, selected from alcohol, amine, ether, amide, carboxylic acid, ester, ketone, nitrile, aldehyde and carbamide; a polyphenol comprising a minimum of 12 aromatic hydroxyl groups; a solvent with a dielectric constant of at least 20; and an electrically conductive filler.