Surface treatment agent for surface composed of inorganic material, instrument and apparatus with modified surface, and method for producing instrument and apparatus
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.