Organosilicon polymer and use thereof

An organosilicon polymer comprising a repeating unit derived from a monomer I and a repeating unit derived from a monomer II, the monomer I comprising a silicon monomer I-1 and an optional silicon monomer I-2, wherein

• a) the general structural formula of the silicon monomer I-1 is shown in Formula I-1:
• in Formula I-1, R1 is selected from hydrogen atom or a C1-C20 alkyl group;
• B is a C1-C20 alkylene group;
• X is selected from the group represented by X-1 and the group represented by X-2,
• R2 is selected from hydrogen atom or a C1-C20 alkyl group;
• Z1 is selected from the following group:
• in group Z1, R4 is independently selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, a C7-C12 alkylaryl group, or a R5—O—R6— group, and R5 is selected from a C1-C10 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, or a C7-C12 alkylaryl group, and R6 is a C1-C10 alkylene group, and 1≤a≤200;
• Y1 and Y2 are the same or different and are independently selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, or a C7-C12 alkylaryl group, and the structure of Formula (I), with the condition that when a is 1, Y1 and/or Y2 is the structure of Formula (I), and when a is greater than 1 and ≤200, at least one Y1 is the structure of Formula (I) and/or at least one Y2 is the structure of Formula (I):
• R7 is independently selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, or a C7-C12 alkylaryl group;
• R8 is independently selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, a C7-C12 alkylaryl group, or a R9—O—R10— group, wherein R9 is a C1-C10 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group or a C7-C12 alkylaryl group, and R10 is a C1-C10 alkylene group, and 0≤b≤200;
• the general structural formula of the silicon monomer I-2 is shown in Formula I-2:
• in Formula I-2, R1 is selected from hydrogen atom or a C1-C20 alkyl group;
• B is a C1-C20 alkylene group;
• X is selected from the group represented by X-1 and the group represented by X-2,
• R2 is selected from hydrogen atom or a C1-C20 alkyl group;
• Z2 is selected from the following group:
• in group Z2, R3 is independently selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, or a C7-C12 alkylaryl group, and R4 is selected from a C1-C20 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, a C7-C12 alkylaryl group, or a R5—O—R6— group, and R5 is selected from a C1-C10 alkyl group, a C6-C20 aryl group, a C7-C12 aralkyl group, or a C7-C12 alkylaryl group, and R6 is a C1-C10 alkylene group, and 1≤a≤200;
• b) the general structural formula of the monomer II is shown in Formula II:
• wherein R1 and R2 are independently selected from hydrogen atom or a C1-C20 alkyl group;
• B is a C1-C20 alkylene group;
• R3 and R4 are independently selected from hydrogen atom, a C1-C18 alkyl group, a hydroxyethyl group or a benzyl group, or R3 and R4 are jointed and, together with the nitrogen atom, form a morpholino group, a piperidino group, or a pyrrolidino group.