A multi-part curable composition includes: an A part including a polyoxyalkylene polymer (A) having a reactive silicon group, a (meth)acrylic ester polymer (B) having a reactive silicon group, and an epoxy resin curing agent (D); and a B part including an epoxy resin (C) and a silanol condensation catalyst (E). The (meth)acrylic ester polymer (B) is a polymer containing constituent monomers including 40 to 70% by weight of an alkyl (meth)acrylate (b1) having an alkyl having 1 to 3 carbon atoms, a monomer (b2) having a reactive silicon group and a polymerizable unsaturated group, and a macromonomer (b3) that is a (meth)acrylic ester polymer having a polymerizable unsaturated group.

Articles having functional surfaces, for example antimicrobial functional surfaces, are prepared by methods comprising anodization. Organophosphorous compounds are deposited on a surface by methods comprising anodization, followed by attaching functional compounds, functional oligomers or functional polymers. Alternatively, functional organophosphorous compounds, functional oligomers or functional polymers are deposited on a surface by methods comprising anodization.

Provided are a curable composition including, a block copolymer including a block A which has a constitutional unit having an ethylenically unsaturated group in a side chain of a polymer compound, a pigment, and, a photopolymerization initiator, in which a content of a polymerizable compound is 15 mass % or less with respect to a total solid content of the curable composition; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element or an image display device including the color filter.

Systems and methods for Atom Transfer Radical Polymerization (ATRP) emulsion polymerization are provided. The ATRP emulsion polymerization comprises a suspending medium, a dispersed medium, a surfactant, a transition metal compound in a higher oxidation state, a ligand, and an ATRP initiator. The transition metal compound is capable of forming a catalyst complex in a presence of the ligand. The catalyst complex is soluble in the suspending medium and is capable of forming an ionic complex with the surfactant. The ionic complex is capable of moving between the suspending medium and the dispersed medium. A portion of the transition metal compound in the higher oxidation state within a portion of the catalyst complex is reduced by a physical and/or a chemical procedure thereby initiating a polymerization of one or more radically (co)polymerizable monomers by reaction with the initiator.

A block copolymer comprising at least three polymer blocks, block A, block B and block C, wherein block A comprises polymerised monomer A′ or polymerised monomers A′ and C′; block B comprises polymerised monomer B′; and block C comprises polymerised monomer C′ or polymerised monomers A′ and C′; wherein monomers A′, B′ and C′ are defined herein.

A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.

An early-strength polycarboxylate superplasticizer with an MOF structure and a preparation method thereof are provided. The preparation method includes the following steps: 1) performing an amidation reaction on amine-containing nanocrystalline MOFs and a halogen acyl halide organic molecule to form the halogen-containing ATRP initiator; 2) performing an ATRP reaction on the obtained ATRP initiator, an unsaturated ester monomer, an unsaturated polyether macromonomer and a transition metal complex to obtain the early-strength polycarboxylate superplasticizer with the MOF structure. The present invention regulates the number and length of branch chains and product performance by controlling the number of amine groups contained in the nanocrystalline MOFs and ATRP, and has the advantages of rapid reaction, high efficiency, non-toxic and non-pollution, and simple operation. The prepared early-strength polycarboxylate superplasticizer with the MOF structure has early-strength performance and stable product performance.

A clearance narrowing material containing a brush-shaped polymer chain aggregate formed of multiple polymer chains immobilized on a substrate. The invention provides a clearance narrowing material which can effectively prevent fluid leakage through a clearance and which does not disturb relative movement of members to form a clearance, and can realize an article in which fluid leakage through a clearance can be effectively prevented and the members to form a clearance can move smoothly.

Provided is a polymer functioning as a leveling agent that imparts high smoothness to a coating film. Specifically, a polymer containing a polymer block (A1) of a polymerizable monomer (a1) having a group represented by General Formula (1) described below, in which the polymer block (A1) has a content ratio of greater than 50% by mass

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The present application relates to an amphiphilic polymer and a method for producing the same. The present application also relates to micelles comprising the amphiphilic polymer and a method for producing the same. The amphiphilic polymer of the present application can have excellent dispersion properties while effectively encapsulating the drug.