公开(公告)号：US20230295354A1

公开(公告)日：2023-09-21

申请号：US18021591

申请日：2021-09-27

申请人： Borealis AG

发明人： Noureddine Ajellal ,  Mohammad Al-haj Ali ,  Jari-Jussi Ruskeeniemi ,  Henry Sleijster ,  Edwin M.F.J. Verdurmen ,  Johan Defoer

IPC分类号： C08F210/16 ,  C08L23/08

CPC分类号： C08F210/16 ,  C08L23/0815 ,  C08L2314/06 ,  C08L2207/064 ,  C08L2205/06 ,  C08L2205/025

摘要： The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 890 to 915 kg/m3 measured according to ISO 1183 and a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 10 to 20 wt. %, wherein the copolymer has a melt point Tm between 100 and 120° C. measured according to ISO 11357-3 and a Vicat softening temperature Tvicat of 80 to 96° C.

公开(公告)号：US20230287158A1

公开(公告)日：2023-09-14

申请号：US18021408

申请日：2021-09-27

申请人： Borealis AG

发明人： Noureddine Ajellal ,  Mohammad Al-Haj Ali ,  Henry Sleijster ,  Edwin M.F.J. Verdurmen ,  Johan Defoer ,  Jari-Jussi Ruskeeniemi

IPC分类号： C08F210/02 ,  C08L23/08

CPC分类号： C08F210/02 ,  C08L23/0815

摘要： The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 870 to 890 kg/m3 measured according to ISO 1183, a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 20 to 35 wt.-%, wherein the copolymer has a first melting temperature Tm1 measured according to ISO 11357-3, characterized in that the first melt point Tm1 is between 90 and 115° C.