C08J2433/10

BLOCK COPOLYMERS WITH NITRIC OXIDE DONOR
20230044613 · 2023-02-09 ·

Disclosed herein is a composite material comprising a substrate coated with a block copolymer brush, where the block copolymer brush comprises a first block of a hydrophobic polymer conjugated to a nitric oxide source, where the first block of the hydrophobic polymer is covalently bonded to a surface of the substrate or a first block of a cationic polymer covalently bonded to a surface of the substrate and a second block of a hydrophilic polymer, extending from the first block to form an outer surface of the block copolymer brush.

COMPOSITION COMPRISING A MULTISTAGE POLYMER, ITS METHOD OF PREPARATION AND ITS USE
20180002520 · 2018-01-04 ·

The present invention relates to a polymer composition comprising a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to polymer composition comprising a (meth)acrylic polymer and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising a (meth)acrylic polymer and a multistage polymer by spray drying or coagulation.

HARD COAT LAMINATE FILM
20180009959 · 2018-01-11 · ·

According to at least one embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %. According to another embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of a transparent laminate film constituted of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol, when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %, and (β) a poly(meth)acrylimide resin film.

METHOD OF MANUFACTURING RESIN COMPOSITION AND METHOD OF MANUFACTURING MOLDED BODY

A method of manufacturing a resin composition includes a step of chemically crosslinking an ionomer (A) of an ethylene-unsaturated carboxylic acid copolymer in the presence of an organic peroxide (B), and a step of melt kneading the chemically crosslinked ionomer (A) and a polyamide resin (C).

MOISTURE BARRIER LAMINATED FILM

A moisture barrier laminated film (10) includes: a plastic film (A) having an inorganic barrier layer (A1); a moisture trapping layer (B) containing an alkali component; and a coating layer (C) provided between the inorganic barrier layer (A1) and the moisture trapping layer (B). In the coating layer (C), a moisture permeability at 40° C. and 90%RH is 6.0 × 10.sup.4 g/m.sup.2/day or less, and a storage modulus E′ (at 2π rad/s) in viscoelasticity measurement at 85° C. is 30 MPa or more.

ACRYLIC POLYVINYL ACETAL FILMS & COMPOSITION

A film is described comprises a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. In some embodiments, the film has a glass transition temperature (i.e. Tg) ranging from 30° C. to 60° C. In some embodiments, the film has a gel content of at least 20% or greater. In some embodiments, the film has an elongation at break of at least 175%. The film typically comprises photoinitiator as a result of the method by which the film was made. The film may be a monolithic film or a layer of a multilayer film.

FLEXIBLE WINDOW FILM AND DISPLAY APPARATUS COMPRISING SAME
20220390649 · 2022-12-08 ·

Provided are a flexible window film and a display apparatus comprising same, the flexible window film having a substrate layer, a buffer layer and a hard coating layer that are sequentially layered, wherein the buffer layer comprises, in a thickness direction, a first area in which the amount of an amide group gradually increases from the interface between the hard coating layer and the buffer layer, and a second area in which the amount of an amide group gradually decreases from the interface between the substrate layer and the buffer layer.

Sheet molding compound and carbon fiber composite material molded article

Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.

Processing aid for foam molding, a vinyl chloride resin-based foam molding composition comprising the same and a foam molded product

A processing aid for foam molding comprising a copolymer obtained by the polymerization of 30 to 90% by weight of methyl methacrylate, 10 to 70% by weight total of one or more monomers selected from the group consisting of butyl methacrylate (BMA), pentyl methacrylate (PMA) and hexyl methacrylate (HMA), and 0 to 20% by weight of other copolymerizable monomers, the copolymer having a reduced viscosity measured according to ASTM D2857 at 1 mg/mL in chloroform at 25° C. of greater than 8 dL/g is provided.

Method for preparing a monolithic stationary phase, associated method for producing a chromatography column and associated separation method

The invention relates to a method for preparing a monolithic stationary phase in the interior volume of a chromatography column made of thermoplastic polymer. This method comprises the following steps: (i) modifying the inner wall of the chromatography column by implementing the following steps: (a) preparing a polymerizable anchoring composition comprising at least one particular methacrylate monomer, one or more solvents and 2,2-dimethoxy-2-phenylacetophenone, (b) depositing, on the inner wall of the column, the polymerizable anchoring composition prepared in step (a), and (c) polymerizing the polymerizable anchoring composition by irradiation with ultraviolet radiation; (ii) introducing, into the interior volume of the column, a polymerizable monolith synthesis composition comprising first and second particular (meth)acrylate monomers, one or more pore-forming agents and a free-radical polymerization initiator; and (iii) polymerizing the polymerizable monolith synthesis composition. The invention also relates to a method for producing a chromatography column comprising such a monolithic stationary phase and to a chromatographic separation method using such a column.