摘要 |
<p>A hot melt adhesive composition that includes a propylene-alpha-olefm polymer including at least 50 mole % propylene and has a ratio of z average molecular weight (Mz) to number average molecular weight (Mn) (Mz/Mn) from greater than 20 and no greater than 50, a ratio of Mz to weight average molecular weight (Mw) (Mz/Mw) from greater than 2.5 to no greater than 6, a crystallinity of at least 5 %, and a viscosity of no greater than 2,500 centipoise at 190°C, and from 10 % by weight to no greater than 30 % by weight tackifying resin, the adhesive composition having a viscosity no greater than 10,000 centipoise at 149°C.</p> |
申请人 |
H.B. FULLER COMPANY;DAVIS, KEVIN;AHMED, SHARF, U.;WILLGING, STEPHEN, M.;NOWAK, MICHAEL, J. |
发明人 |
DAVIS, KEVIN;AHMED, SHARF, U.;WILLGING, STEPHEN, M.;NOWAK, MICHAEL, J. |