Abstract: A method for producing a medical device, and a medical device are provided, and the production method includes a step of heating a device together with a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B), or a step of bringing a device into contact with a heated product of a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B): (A) a hydrophilic repeating unit; and (B) a repeating unit having a polyoxyalkylene group in a side chain, the terminal of the side chain being composed of an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group having 6 to 30 carbon atoms.

Abstract: Provided is a lens solution which has excellent lipid detergency, exhibits high hydrophilization performance, and exhibits an excellent lipid adhesion preventive effect and an excellent lubricity-imparting effect when the solution is used to coat a lens. Disclosed is a lens solution containing a polymer having 2.5% to 95% by mass of the following repeating unit (A) and 2.5% to 95% by mass of the following repeating unit (B): (A) a hydrophilic repeating unit; and (B) a repeating unit having a polyoxyalkylene group in a side chain and having the end of the side chain formed from an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group.

Abstract: A surface treatment method for treating a surface formed of an inorganic material by using a polymer is provided. The polymer contains a repeating unit (A) having a cationic group with a particular structure in a side chain thereof and a repeating unit (B) having a group of a particular structure in a side chain thereof. Also provided are a tool and a device having a modified surface, and a method for producing the tool and the device.

Abstract: Provided is a lens solution which has excellent lipid detergency, exhibits high hydrophilization performance, and exhibits an excellent lipid adhesion preventive effect and an excellent lubricity-imparting effect when the solution is used to coat a lens. Disclosed is a lens solution containing a polymer having 2.5% to 95% by mass of the following repeating unit (A) and 2.5% to 95% by mass of the following repeating unit (B): (A) a hydrophilic repeating unit; and (B) a repeating unit having a polyoxyalkylene group in a side chain and having the end of the side chain formed from an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group.

Abstract: Provided is a gel that has excellent surface hydrophilicity, lubricity and antifouling property, and that is useful as, for example, a contact lens material. A gel including: a polymer a having 2.5 to 95 mass % of the following repeat unit (A), and 2.5 to 95 mass % of the following repeat unit (B), and a polymer b obtained through polymerization of a hydrophilic monomer with a crosslinking agent.

Abstract: The present invention relates to: a composition; a contact lens coating agent; a method of producing a contact lens; and a contact lens. The composition contains: a polymer which includes a repeating unit (A) having an HLB value of 14 or higher and a repeating unit (B) having an HLB value of 1 to less than 14; and a cationic group-containing bactericidal compound.

Abstract: A method for producing a medical device, and a medical device are provided, and the production method includes a step of heating a device together with a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B), or a step of bringing a device into contact with a heated product of a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B): (A) a hydrophilic repeating unit; and (B) a repeating unit having a polyoxyalkylene group in a side chain, the terminal of the side chain being composed of an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group having 6 to 30 carbon atoms.

Abstract: Provided is a lens solution which has excellent lipid detergency, exhibits high hydrophilization performance, and exhibits an excellent lipid adhesion preventive effect and an excellent lubricity-imparting effect when the solution is used to coat a lens. Disclosed is a lens solution containing a polymer having 2.5% to 95% by mass of the following repeating unit (A) and 2.5% to 95% by mass of the following repeating unit (B): (A) a hydrophilic repeating unit; and (B) a repeating unit having a polyoxyalkylene group in a side chain and having the end of the side chain formed from an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group.

Abstract: To provide a novel polymer having an excellent non-specific adsorption inhibitory effect, a surface-hydrophilizing agent comprising the polymer, and a method for producing a substrate having a hydrophilic surface. The polymer comprises a hydrophilic repeating unit having a sulfinyl group in a side chain thereof.

Abstract: A surface treatment method for treating a surface formed of an inorganic material by using a polymer is provided. The polymer contains a repeating unit (A) having a cationic group with a particular structure in a side chain thereof and a repeating unit (B) having a group of a particular structure in a side chain thereof. Also provided are a tool and a device having a modified surface, and a method for producing the tool and the device.

Abstract: To provide a novel polymer having an excellent non-specific adsorption inhibitory effect, a surface-hydrophilizing agent comprising the polymer, and a method for producing a substrate having a hydrophilic surface. The polymer comprises a hydrophilic repeating unit having a sulfinyl group in a side chain thereof.

Abstract: A method for producing an amino group-containing conjugated diene polymer includes polymerizing a conjugated diene compound in the presence of a reaction product of 1,3-bis(diphenylethenyl)benzene or a derivative thereof and an organolithium compound to obtain a conjugated diene polymer, and reacting the conjugated diene polymer with a modifier.

Abstract: A method for producing an amino group-containing conjugated diene polymer includes polymerizing a conjugated diene compound in the presence of a reaction product of 1,3-bis(diphenylethenyl)benzene or a derivative thereof and an organolithium compound to obtain a conjugated diene polymer, and reacting the conjugated diene polymer with a modifier.