Abstract: The present invention relates to a method for manufacturing a protein fiber, including an extension and contraction step of contracting or extending a protein raw fiber containing a protein by bringing the protein raw fiber into contact with a liquid or vapor; and a drying step of drying the protein raw fiber that has undergone the extension and contraction step while adjusting a length of the protein raw fiber to an arbitrary length.

Abstract: A composite including a plurality of block copolymer chains dispersed in a base polymer, the block copolymer chains including a polymer block (A) and a polymer block (B) having lower affinity for the base polymer than that of the polymer block (A), wherein each of the block copolymer chains has the polymer block (A) at two or more locations of the block copolymer chain, and in at least some of the block copolymer chains, the polymer blocks (A) are at least partially located in the base polymer and the polymer blocks (B) are at least partially exposed from the base polymer.

Abstract: The present invention relates to a protein molded article including a protein, in which an ionic liquid is included inside the protein molded article. The present invention also relates to a production method of the protein molded article, including a step of adding the ionic liquid to a molding material of the protein molded article. Further, the present invention relates to a protein solution including a protein, an ionic liquid, and a solvent. Further, the present invention also relates to a protein molded article plasticizer including an ionic liquid.

Abstract: The present invention relates to a method for manufacturing a protein fiber, including an extension and contraction step of contracting or extending a protein raw fiber containing a protein by bringing the protein raw fiber into contact with a liquid or vapor; and a drying step of drying the protein raw fiber that has undergone the extension and contraction step while adjusting a length of the protein raw fiber to an arbitrary length.

Abstract: A composite including a plurality of block copolymer chains dispersed in a base polymer, the block copolymer chains including a polymer block (A) and a polymer block (B) having lower affinity for the base polymer than that of the polymer block (A), wherein each of the block copolymer chains has the polymer block (A) at two or more locations of the block copolymer chain, and in at least some of the block copolymer chains, the polymer blocks (A) are at least partially located in the base polymer and the polymer blocks (B) are at least partially exposed from the base polymer.

Abstract: An electrolyte solution comprising: a non-aqueous solvent; a lithium salt; at least one fluorine-containing compound selected from the group consisting of a fluorine-containing ether compound represented by formula (1) and a fluorine-containing carbonate compound represented by formula (2); and at least one of an ionic liquid represented by formula (3) and an ionic liquid represented by formula (4).

Abstract: A novel silicon compound capable of initiating radical polymerization is provided. The silicon compound is represented by the following general formula (1) A-Z1—S—Z2—Si(OR1)n(R2)3-n??(1) wherein A is a group capable of initiating radical polymerization, Z1 and Z2 are each independently a bivalent group that has at least a carbon atom, R1 and R2 are each independently an alkyl group having from 1 to 3 carbon atoms, and n is an integer of 1 to 3. A radical polymerization initiator comprising the silicon compound, and a polymer obtained by radical polymerization of a monomer with the radical polymerization initiator are also provided. Also provided is a complex having a polymer graft chain formed on a solid substance surface with the use of the silicon compound.

Abstract: A novel silicon compound capable of initiating radical polymerization is provided. The silicon compound is represented by the following general formula (1) A-Z1—S—Z2—Si(OR1)n(R2)3-n??(1) wherein A is a group capable of initiating radical polymerization, Z1 and Z2 are each independently a bivalent group that has at least a carbon atom, R1 and R2 are each independently an alkyl group having from 1 to 3 carbon atoms, and n is an integer of 1 to 3. A radical polymerization initiator comprising the silicon compound, and a polymer obtained by radical polymerization of a monomer with the radical polymerization initiator are also provided. Also provided is a complex having a polymer graft chain formed on a solid substance surface with the use of the silicon compound.

Abstract: The invention provides n electrochemical device containing a negative electrode having a negative electrode material layer at least on a surface; a positive electrode having a positive electrode material layer at least on a surface; and a solid polymer electrolyte of fine composite particles disposed between the negative electrode and the positive electrode. Each of the fine composite particles comprises a polymer brush layer of polymer graft chains. The fine composite particles form a substantially three-dimensional ordered array structure, and a continuous ion-conductive network channel is formed in each gap of the fine particles. The negative or positive electrode or electrode material layer have gaps filled with the fine composite particles.

Abstract: A hot-melt adhesive comprising a special polyamideimide or polyamide is excellent in heat resistance and adhesive strength and usable for providing substrates for printed circuit boards.

Abstract: A solvent-soluble polyimide obtained from an exo-form dicarboxylic acid anhydride with an aromatic diamine, e.g. 2,2,-bis[4-(4-aminophenoxy)phenyl]propane is improved in film-forming properties and transparency, and particularly suitable for producing an orientation controlling film in a liquid crystal display device.

Abstract: A polymer obtained by polymerizing tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl acrylate or methacrylate in an amount of 100-5% by weight with one or more copolymerizable unsaturated monomers in an amount of 0 to 95% by weight is excellent in transparency, moisture resistance, and heat resistance and is suitable as a material for optical elements.

Abstract: A process for producing a thermoplastic polymer highly resistant to impact and weather by graft-copolymerizing, in the presence of a water-soluble polymer and a radical polymerization initiator in an aqueous medium, [B] 90 to 60 parts by weight of a monomer mixture comprising 30 to 100% by weight of an aromatic vinyl compound (for example, styrene) and 0 to 70% by weight of acrylonitrile plus methyl methacrylate in which the proportion of acrylonitrile is 20 to 100% by weight and that of methyl methacrylate is 80 to 0% by weight, on [A] 10 to 40 parts by weight (in terms of solids content) of a rubbery copolymer latex obtained by copolymerizing in an aqueous emulsion a mixture comprising [I] 60 to 99.9% by weight of at least one alkyl acrylate (for example, butyl acrylate) having 1 to 13 carbon atoms in the alkyl group, [II] 0 to 20% by weight of at least one vinyl compound copolymerizable with [I] (for example, styrene) and [III] 0.

Abstract: A polymer obtained by polymerizing tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl acrylate or methacrylate in an amount of 100-5% by weight with one or more copolymerizable unsaturated monomers in an amount of 0 to 95% by weight is excellent in transparency, moisture resistance, and heat resistance and is suitable as a material for optical elements.