Polymer and polymer separator comprising same

A polymer comprising:

• a hydrophilic block;
• and
• a hydrophobic block,
• wherein the hydrophilic block includes a repeating unit represented by the following Chemical Formula 4-1;
• and
• the hydrophobic block includes a repeating unit represented by the following Chemical Formula 5-1:
• in Chemical Formula 4-1 and Chemical Formula 5-1
• x1, a and a′ are, as a repetition number of units in the parentheses, an integer of 1 to 1,000, and a:a′ is from 1,000:1 to 1:1,000;
• L11 is —S—;
• A′ is —O(CF2)mSO3H, or —O(CF2)mSO3−M+;
• m is an integer of 2 to 6, and M is a group 1 element;
• R16 and R17 are the same as or different from each other, and each independently is a halogen group;
• n′ is an integer of 2 to 10, and when n′ is an integer of 2 or greater, structures in the parentheses are the same as or different from each other;
• X11 is a direct bond;
• —C(Z11)(Z12)-;
• —O—;
• —S—;
• —SO2-;
• —CO—;
• or —Si(Z11)(Z12)-,
• Z11 and Z12 are the same as or different from each other, and each independently is hydrogen;
• deuterium;
• a halogen group;
• a substituted or unsubstituted alkyl group;
• or a substituted or unsubstituted aryl group;
• and
• T11 and T12 are the same as or different from each other, and each independently is hydrogen;
• deuterium;
• a halogen group;
• a nitrile group;
• a nitro group;
• a hydroxyl group;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted alkenyl group;
• a substituted or unsubstituted silyl group;
• a substituted or unsubstituted amine group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group, t11 and t12 are an integer of 0 to 4, and when t11 and t12 are an integer of 2 or greater, substituents in the parentheses are the same as or different from each other;
• and
• x2, b and b′ are, as a repetition number of units in the parentheses, an integer of 1 to 1,000, and b:b′ is from 1,000:1 to 1:1,000;
• X12 is a direct bond;
• —C(Z13)(Z14)-;
• —O—;
• —S—;
• —SO2-;
• —CO—;
• or —Si(Z13)(Z14)-;
• Z13 and Z14 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a halogen group;
• a substituted or unsubstituted alkyl group;
• or a substituted or unsubstituted aryl group;
• T13 and T14 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a halogen group;
• a nitrile group;
• a nitro group;
• a hydroxyl group;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted cycloalkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted alkenyl group;
• a substituted or unsubstituted silyl group;
• a substituted or unsubstituted amine group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group, t13 and t14 are an integer of 0 to 4, and when t13 and t14 are an integer of 2 or greater, substituents in the parentheses are the same as or different from each other,
• however, X12 is —C(Z13)(Z14)-;
• or —Si(Z13)(Z14)-, and Z13 and Z14 are the same as or different from each other and each independently an alkyl group substituted with a halogen group, or
• X12 is a direct bond;
• —C(Z13)(Z14)-;
• —O—;
• —S—;
• —SO2-;
• —CO—;
• or —Si(Z13)(Z14)-, and when Z13 and Z14 are not an alkyl group substituted with a halogen group, T13 and T14 are the same as or different from each other and each independently a halogen group;
• an alkyl group substituted with a halogen group;
• or an aryl group substituted with a halogen group, and t13 and t14 are an integer of 1 to 4.