| 摘要 |
<p>A novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive, tape and adhesive backed article made therefrom, such as a polymer foam article having a substantially smooth surface prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.</p> |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY;KHANDPUR, ASHISH;MA, JINGJING;GEHLSEN, MARK, D.;MOMCHILOVICH, BRADLEY, S.;STRADINGER, JOHN, J. |
发明人 |
KHANDPUR, ASHISH;MA, JINGJING;GEHLSEN, MARK, D.;MOMCHILOVICH, BRADLEY, S.;STRADINGER, JOHN, J. |
