| 摘要 |
<p>The present invention provides a block polymer, which gives effective adhesive power even to a mirror-face-processed adherend that involves a low anchor effect of pressure sensitive adhesives and is therefore difficult to adhere to, and further, which block polymer has excellent tackiness properties. This block polymer is a block polymer obtained by a process including the step of polymerizing a monomer component including a monomer as an essential component wherein the monomer has a carboxyl group in its molecule and wherein a homopolymer of the monomer has a glass transition temperature of lower than 0 DEG C. A pressure sensitive adhesive comprises this block polymer.</p> |
