公开(公告)号：US20220356333A1

公开(公告)日：2022-11-10

申请号：US17872890

申请日：2022-07-25

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/12 ,  C08L23/14

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.

公开(公告)号：US11661506B2

公开(公告)日：2023-05-30

申请号：US17872890

申请日：2022-07-25

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/16 ,  C08L23/12 ,  C08L23/14 ,  C08L23/26

CPC分类号： C08L23/12 ,  C08L23/14 ,  C08F2500/12 ,  C08F2500/27 ,  C08F2800/20 ,  C08F2810/10 ,  C08L23/16 ,  C08L2023/42 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/02 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/31 ,  C08F2500/35

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.

公开(公告)号：US20200263016A1

公开(公告)日：2020-08-20

申请号：US16794564

申请日：2020-02-19

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/12 ,  C08L23/14

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.

公开(公告)号：US11667779B2

公开(公告)日：2023-06-06

申请号：US17872802

申请日：2022-07-25

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/16 ,  C08L23/12 ,  C08L23/14 ,  C08L23/26 ,  C08F210/16

CPC分类号： C08L23/12 ,  C08L23/14 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/27 ,  C08F2800/20 ,  C08F2810/10 ,  C08L23/16 ,  C08L2023/42 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/02 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/31 ,  C08F2500/35

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.

公开(公告)号：US20220356332A1

公开(公告)日：2022-11-10

申请号：US17872802

申请日：2022-07-25

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/12 ,  C08L23/14

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.

公开(公告)号：US20240262944A1

公开(公告)日：2024-08-08

申请号：US18402874

申请日：2024-01-03

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Matthew Carr ,  William Scott Miller

IPC分类号： C08F110/06 ,  C08F2/02 ,  C08J3/12 ,  C08K3/34 ,  C08L23/16

CPC分类号： C08F110/06 ,  C08F2/02 ,  C08J3/12 ,  C08K3/34 ,  C08L23/16 ,  C08J2323/12 ,  C08J2323/16 ,  C08L2205/22

摘要： An impact copolymer polypropylene composition may include a polypropylene-based matrix polymer; and from 25 to 45 wt % of an ethylene-propylene copolymer rubber (EPR) phase, based on the total weight of the composition, wherein the EPR phase comprises 30 to 38 wt % ethylene and a xylene solubles (XS) content ranging from 25 to 45 wt % as determined by acetone precipitation, and wherein the ICP composition has an Izod impact strength ranging from 180 to 600 J/m, as measured according to ASTM D256A at −20° C.

公开(公告)号：US20220356334A1

公开(公告)日：2022-11-10

申请号：US17872933

申请日：2022-07-25

申请人： Braskem S.A.

发明人： Moisés Magalhães Werlang ,  Joel Carr ,  Tadeu Forest

IPC分类号： C08L23/12

摘要： Polymer compositions may include a matrix phase comprising a polypropylene-based polymer; and an elastomeric rubber phase; wherein the polymer composition has melt flow rate (MFR) according to ASTM D1238 at 230° C./2.16 kg equal to or greater than 90 g/10 min and at least one feature selected from (I) an Izod impact resistance according to ASTM D256A at 23° C. equal to or greater than 400 J/m; (II) an instrumented drop impact at −30° C., average total energy, equal to or greater than 17 J; or (III) an instrumented drop impact at −30° C., average percent ductility, equal to or greater than 60%.