Patent ID: 11970637
Assignee: ENEOS MATERIALS CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A block polymer comprising:
two or more polymer block As each having a value β of 0.20 or less represented by the following equation (ii); and
a functional group F comprising at least one element selected from a group consisting of nitrogen, silicon, oxygen, and sulfur in a part or all of the initiating terminals of the two or more polymer block As,
wherein the block polymer has a value α of 0.75 or more represented by the following equation (i), where p is defined as a component proportion (molar proportion) of a structural unit represented by the following formula (1), q is defined as a component proportion (molar proportion) of a structural unit represented by the following formula (2), r is defined as a component proportion (molar proportion) of a structural unit represented by the following formula (3), and s is defined as a component proportion (molar proportion) of a structural unit represented by the following formula (4), in the polymer,