C08J2335/00

HIGH-MOLECULAR-WEIGHT POLYMER SHEET AND METHOD FOR PRODUCING SAME

In a method for producing a high-molecular-weight polymer sheet, when a monomer composition including silver nanowires is polymerized, the monomer composition is allowed to stand in a state in which a thickness direction of the obtained high-molecular-weight polymer sheet before the polymerization is a vertical direction, and the silver nanowires in the monomer composition are oriented in the vertical direction and polymerized.

COATING FOR MEDICAL DEVICES
20230018889 · 2023-01-19 ·

A coating for a medical device is described. The coating comprises: a surface layer; and optionally a base layer; wherein the surface layer comprises a polymer chain attached to an anti-clotting group, wherein the anti-clotting group is selected from a sulfonic acid group, a sulfonamide group, a sulfamic acid group, a hydrogen sulfate group and a conjugate base thereof. Also described is a medical device comprising the coating, and uses and methods involving the coating and the medical device.

Hydrogel
11696975 · 2023-07-11 · ·

A hydrogel 1 having a laminate structure of layer A 10 and layer B 20, wherein layer A 10 contains a monomer-derived component, water, a humectant, a water-insoluble polymer having tackiness and an amphiphilic polymer, the water-insoluble polymer is contained in a proportion of 3 to 20 wt % based on a total amount of layer A, and the amphiphilic polymer is a polyvinyl alcohol having a saponification degree of 50 to 75% and is contained in a proportion of 0.05 to 5 wt % based on the total amount of layer A; layer B 20 contains a monomer-derived component, water and a humectant and is substantially free of a water-insoluble polymer having tackiness and a polyvinyl alcohol; and an amount of the water based on a total amount of layer B is the amount of water based on the total amount of layer A±10 wt %.

FILM, LAMINATE, SEMICONDUCTOR WAFER WITH FILM LAYER, SUBSTRATE FOR MOUNTING SEMICONDUCTOR WITH FILM LAYER, AND SEMICONDUCTOR DEVICE

The present application provides a film containing: a compound (A) containing at least one selected from the group consisting of a maleimide compound and a citraconimide compound; an organic peroxide (B) containing at least one selected from the group consisting of organic peroxides represented by specific formulae; and an imidazole compound (C) represented by a specific formula.

OPTICAL POLYMER MATERIAL, OPTICAL FILM, DISPLAY DEVICE, OPTICAL POLYMER MATERIAL MANUFACTURING METHOD, AND OPTICAL FILM MANUFACTURING METHOD
20230065322 · 2023-03-02 · ·

An optical polymer material includes an alternating copolymer made of a monomer of a styrene derivative and a monomer of a maleimide derivative, and has a nonlinear property in which the photoelastic coefficient of the optical polymer material decreases to a predetermined value with increase in composition ratio of the styrene derivative, and rises above the predetermined value with further increase in composition ratio of the styrene derivative. A composition ratio of the styrene derivative is within a predetermined range. An absolute value of the photoelastic coefficient is equal to or smaller than a first absolute value within the predetermined range of the composition ratio, and an absolute value of the intrinsic birefringence is equal to or smaller than a second absolute value of the optical polymer material within the predetermined range of the composition ratio.

Catalyst-free surface functionalization and polymer grafting

Some embodiments described herein relate to a substrate with a surface comprising a silane or a silane derivative covalently attached to optionally substituted cycloalkene or optionally substituted heterocycloalkene for direct conjugation with a functionalized molecule of interest, such as a polymer, a hydrogel, an amino acid, a nucleoside, a nucleotide, a peptide, a polynucleotide, or a protein. In some embodiments, the silane or silane derivative contains optionally substituted norbornene or norbornene derivatives. Method for preparing a functionalized surface and the use in DNA sequencing and other diagnostic applications are also disclosed.

THERMALLY EXPANDABLE MICROSPHERES PREPARED FROM BIO-BASED MONOMERS

The present disclosure relates to thermoplastic polymeric microspheres comprising a thermoplastic polymer shell surrounding a hollow core, in which the thermoplastic polymer shell comprises a homopolymer or copolymer of a monomer of Formula 1

##STR00001## wherein: each of A1 to A11 are independently selected from H and C1 to C4 alkyl, in which each C1-4 alkyl group can optionally be substituted with one or more substituents selected from halogen, hydroxy and C1-4 alkoxy; X is a linking group selected from —O—, —NR″—, —S—, —OC(O)—, —NR″C(O)—, —SC(O)—, —C(O)O—, —C(O)NR″—, and —C(O)S—; and R″ is H or C1-2 alkyl optionally substituted with one or more substituents selected from halogen and hydroxy.

CARBON NANOTUBE/POLYETHERIMIDE/THERMOSETTING RESIN DIELECTRIC COMPOSITE AND PREPARATION METHOD THEREFOR
20170335069 · 2017-11-23 ·

The invention discloses a carbon nanotube/polyetherimide/thermosetting resin dielectric composite and a preparation method therefor. 100 parts by weight of polyetherimide and 1-7 parts by weight of carbon nanotube are mixed uniformly in an Haake torque melt cavity to obtain a carbon nanotubes/polyetherimide composite; 20 parts of the carbon nanotube/polyetherimide composite are dissolved in 100-150 parts of dichloromethane, then the mixed solution is added in 100 parts of molten thermocurable thermosetting resin, mixing, and heat preserving, stirring are performed until a mixture is formed in a uniform state, and curing and post-treating are performed to obtain a carbon nanotube/thermosetting resin dielectric composite, wherein the substrate thereof has a typical reverse phase structure, while the carbon nanotubes are dispersed in a polyetherimide phase. The composite has a relatively low percolation threshold, a high dielectric constant and a low dielectric loss. The preparation method of the present invention has a simple process and is suitable for large-scale production.

DELIVERY OF SMALL INTERFERING RNA AND MICRO RNA THROUGH NANOGELS CONTAINING HYDROPHOBIC PSEUDO-PEPTIDES
20170312372 · 2017-11-02 ·

Nanoscale, pH-responsive polycationic networks useful for the delivery of anionic biologic therapeutics and associated methods.

RESIN COMPOSITION AND OPTICAL COMPENSATION FILM USING SAME

A resin composition suitable for an optical compensation film, an optical compensation film using the same, which is excellent in the retardation characteristics and wavelength dispersion characteristics, and a production method of an optical compensation film. A resin composition containing, as resin components, from 30 to 99 wt % of a cellulose-based resin represented by the following formula (1) and from 1 to 70 wt % of a cinnamic acid ester copolymer:

##STR00001## where each of R.sub.1, R.sub.2 and R.sub.3 independently represents hydrogen or a substituent having a carbon number of 1 to 12.