Abstract: Provided are a host-group-containing polymerizable monomer usable as a starting material for producing a macromolecular material with a high degree of freedom in material design, and excellent toughness and strength; a macromolecular material produced using the host-group-containing polymerizable monomer; and a method for producing the macromolecular material. The host-group-containing polymerizable monomer according to the present invention is a host-group-containing polymerizable monomer, and the host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative. The cyclodextrin derivative has such a structure that the hydrogen atom of at least one hydroxy group of a cyclodextrin is replaced with a group selected from the group consisting of a hydrocarbon group, an acyl group, and —CONHR wherein R represents a methyl group or an ethyl group.

Abstract: A binder for an electrochemical device made of a polymer material including a first polymer containing a first constituent unit having a guest group in a side chain; and a second polymer containing a second constituent unit having a host group in a side chain. Also disclosed is an electrode mixture containing the binder, an electrode active material and a dispersion medium; an electrode containing the binder, an electrode active material and a current collector; an electrochemical device including the electrode; and a secondary battery including the electrode.

Abstract: An object of the present invention is to provide a resin material which contains a polymer compound having a host group and/or guest group and exhibits excellent solubility. The present invention relates to a resin material comprising a host body consisting of a polymer compound having a host group and a guest body consisting of a polymer compound having a guest group, or a host-guest body consisting of a polymer compound having a host group and a guest group, wherein, at least one of the polymer compound having the host group or the polymer compound having the guest group, or the polymer compound having the host group and the guest group, has a siloxane bond.

Abstract: A resin composition including a first polymer having a host group in a side chain and a second polymer having a carboxyl group in a side chain, wherein the first polymer has a hydroxyl group. Also disclosed is a polymer having a host group (A) and a carboxyl group (B), wherein the polymer has a number-average molecular weight of 50,000 to 5,000,000; a method for producing a polymer which includes performing an ester group-forming reaction with a first polymer having a host group in a side chain and a second polymer having a carboxyl group in a side chain; a binder for an electrochemical device including the polymer; an electrode mixture including the binder; an electrode including the binder; an electrochemical device including the electrode; and a secondary battery including the electrode.

Abstract: Provided are a macromolecular material that exhibits high toughness and self-healing properties, and that can be produced by a simple process, as well as a method for producing the material. The macromolecular material contains a crosslinked polymer crosslinked by the interaction between a host group and a guest group. The crosslinked polymer contains a repeating structural unit represented by the following formula (1a) and a repeating structural unit represented by the following formula (2a).

Abstract: Provided are a macromolecular material comprising two or more types of polymers, which are less likely to be separated, and having excellent mechanical properties, a method for producing the same, and a macromolecular compatibilizing agent. The macromolecular material according to the present invention comprises a first macromolecular compound having a ring host group, and a second macromolecular compound free of the host group, and the second macromolecular compound penetrates through the ring of the host group in a skewering manner. The method for producing the macromolecular material according to the present invention comprises polymerizing a polymerizable monomer in the presence of the first macromolecular compound. The macromolecular compatibilizing agent according to the present invention comprises a macromolecular compound having a ring host group.

Abstract: Provided are a composition for polymerization from which a macromolecular material that contains a host-group-introduced polymer with excellent energy to failure can be produced without using a solvent; a polymer of the composition; and a method for producing the polymer. The composition for polymerization contains a solution containing a first polymerizable compound and a host-group-containing polymerizable compound that is dissolved in the first polymerizable compound, wherein the host group present in the host-group-containing polymerizable compound is a group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin, and wherein the cyclodextrin is at least one cyclodextrin selected from the group consisting of ?-cyclodextrin, ?-cyclodextrin, and ?-cyclodextrin.

Abstract: Provided are: a polymer gel for a medium, and a medium in which the stiffness of the polymer gel can be easily and reversibly changed and the shape of cells can be controlled according to the stiffness of the gel; and a method for culturing cells using the medium. The polymer gel for a medium contains a solvent and a crosslinked structure that is crosslinked by reversible bonds. The stiffness of the polymer gel for a medium can be easily and reversibly changed. Accordingly, when the polymer gel for a medium according to the present invention is used, cell morphology and function can be reversibly controlled according to the stiffness of the gel.

Abstract: Provided are a macromolecular material that exhibits high toughness and self-healing properties, and that can be produced by a simple process, as well as a method for producing the material. The macromolecular material contains a crosslinked polymer crosslinked by the interaction between a host group and a guest group. The crosslinked polymer contains a repeating structural unit represented by the following formula (1a) and a repeating structural unit represented by the following formula (2a).

Abstract: Provided is a binder for an electrochemical device, which can follow the volume change of an electrode structure due to discharge and charge and can improve a life characteristic of the electrochemical device. A binder for an electrochemical device, which is a binder for a secondary battery containing a polymer having at least one cyclic host group in a molecule, wherein the host group is present as a side chain of the polymer, and a main chain of the polymer penetrates through at least a part of the cyclic host groups.

Abstract: Provided is a macromolecular material that has self-healing properties, excellent stretchability, and a high degree of freedom in the design of stretchability, strength, and hardness, and that can be produced by a simple method; and also provided is a method for producing the same. The macromolecular material of the present invention comprises a polymer having a host group and a guest group. The host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative. The polymer is a polymer of a monomer mixture containing a host group-containing polymerizable monomer, a guest group-containing polymerizable monomer, and a third polymerizable monomer, and the third polymerizable monomer contains a (meth)acrylic ester compound. The host group-containing polymerizable monomer and the guest group-containing polymerizable monomer have a property of being dissolved in the third polymerizable monomer.

Abstract: A binder for an electrochemical device made of a polymer material including a first polymer containing a first constituent unit having a guest group in a side chain; and a second polymer containing a second constituent unit having a host group in a side chain. Also disclosed is an electrode mixture containing the binder, an electrode active material and a dispersion medium; an electrode containing the binder, an electrode active material and a current collector; an electrochemical device including the electrode; and a secondary battery including the electrode.

Abstract: Provided are a macromolecular material excellent in mechanical strength and a production method therefor. A macromolecular material of the present invention has a structure crosslinked through host-guest interaction, and is obtained by a method including: a step of preparing a mixture of a host-group-containing macromolecular compound swollen or dissolved in a solvent and a guest-group-containing macromolecular compound swollen or dissolved in a solvent; and a step of mechanically kneading the mixture. As another aspect, a macromolecular material of the present invention is obtained by a method including: a step of swelling or dissolving a both host-group- and guest-group-containing macromolecular compound in a solvent; and a step of mechanically kneading the swollen or dissolved macromolecular compound.

Abstract: An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group.

Abstract: To provide a polyrotaxane composite formed body produced by strong bonding between a crosslinked polyrotaxane formed body and an elastomer formed body without intervention of an adhesive. Provided is a method for producing a polyrotaxane composite formed body, the method including subjecting a surface of a crosslinked polyrotaxane formed body and a surface of an elastomer formed body to plasma treatment, and pressure joining the treated surfaces together, to thereby bond the formed bodies. Also provided is a polyrotaxane composite formed body including a crosslinked polyrotaxane formed body and an elastomer formed body, wherein these formed bodies are directly bonded together without being intermingled with each other in the absence of an adhesive layer between the formed bodies, an oxygen-rich layer is present between the bonding surfaces of the formed bodies, and the formed bodies exhibit a peel strength of 1 N/m or more.

Abstract: An object is to provide a macromolecular composite material that can be produced by a simple process, and that has excellent mechanical properties. The macromolecular composite material of the present invention contains a polymer component and a cyclodextrin compound, the polymer component containing a thermoplastic resin, and the cyclodextrin compound being at least one member selected from the group consisting of cyclodextrin and cyclodextrin derivatives. The macromolecular composite material of the present invention can be produced by a simple process, and has excellent mechanical properties.

Abstract: A method for producing a fibroin-like protein is provided. A fibroin-like protein is produced by a method of culturing Escherichia coli having a gene encoding the fibroin-like protein in a medium, inducing expression of the gene encoding the fibroin-like protein, and collecting the fibroin-like protein, wherein accumulation of an organic acid at the time of inducing the expression is reduced, and wherein the gene is expressed under control of a tryptophan promoter.

Abstract: Provided are a composition for polymerization from which a macromolecular material that contains a host-group-introduced polymer with excellent energy to failure can be produced without using a solvent; a polymer of the composition; and a method for producing the polymer. The composition for polymerization contains a solution containing a first polymerizable compound and a host-group-containing polymerizable compound that is dissolved in the first polymerizable compound, wherein the host group present in the host-group-containing polymerizable compound is a group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin, and wherein the cyclodextrin is at least one cyclodextrin selected from the group consisting of ?-cyclodextrin, ?-cyclodextrin, and ?-cyclodextrin.

Abstract: Provided are a macromolecular material that can form various structures, and that exhibits excellent toughness and strength; and a method for producing the macromolecular material. The macromolecular material includes in a polymer chain thereof a structural unit represented by the following formula (1): —R1—RH (1) (R1 represents NH or O, and RH represents a host group), wherein the host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative, and the cyclodextrin derivative has a structure formed such that a hydrogen atom of at least one hydroxy group contained in a cyclodextrin is replaced with at least one group selected from the group consisting of a hydrocarbon group, an acyl group, and —CONHR (R represents a methyl group or an ethyl group).

Abstract: In accordance with one aspect of the present disclosure, a washing machine includes a rotating tub configured to accommodate laundry, a water supply pipe configured to spray water over a surface of the laundry. The washing machine also includes a controller configured to execute a water supply cycle in which an operation of each of the rotating tub and the water supply pipe is controlled and water is supplied to the rotating tub. The washing machine further includes a wash cycle in which the laundry is washed and the controller executes a first cycle in which the rotating tub is rotated faster than a rotational speed in the wash cycle so as to discharge air contained inside the laundry before the wash cycle is terminated.