公开(公告)号：US20220169840A1

公开(公告)日：2022-06-02

申请号：US17537090

申请日：2021-11-29

申请人： Braskem S.A.

发明人： Camila Pilatti Mainka ,  Amel Murgic ,  Thaysa Pando ,  Cristhian Oliveira

IPC分类号： C08L23/06 ,  B29C49/00 ,  B29C49/04 ,  B29D22/00 ,  C12P7/06 ,  A61J1/06

摘要： A biobased polymer composition for pharmaceutical articles includes a low density polyethylene, in which at least a portion of ethylene is obtained from a renewable source of carbon. The biobased polymer composition exhibits an Emission Factor ranging from −3.5 to 0 kg CO2e/kg of the biobased polymer composition, and is biocompatible for use in pharmaceutical packaging. A pharmaceutical article includes the biobased polymer composition and has a volume ranging from 0.04 ml to 10000 ml. A method for forming a pharmaceutical article includes extruding the biobased polymer composition at a temperature ranging from 100 to 250° C. and at a screw speed ranging from 20 to 100 rpm. A method for producing a biobased polymer composition includes polymerizing ethylene at least partially obtained from a renewable source of carbon to form a low density polyethylene.

公开(公告)号：US11702534B2

公开(公告)日：2023-07-18

申请号：US17537090

申请日：2021-11-29

申请人： Braskem S.A.

发明人： Camila Pilatti Mainka ,  Amel Murgic ,  Thaysa Pando ,  Cristhian Oliveira

IPC分类号： C08F10/02 ,  C08L23/06 ,  A61J1/06 ,  B29C49/00 ,  B29C49/04 ,  B29D22/00 ,  B29K23/00

CPC分类号： C08L23/06 ,  A61J1/065 ,  B29C49/0005 ,  B29C49/04 ,  B29D22/003 ,  B29K2023/0633 ,  C08F10/02 ,  C08L2203/02 ,  C08L2203/10 ,  C08L2207/066

摘要： A biobased polymer composition for pharmaceutical articles includes a low density polyethylene, in which at least a portion of ethylene is obtained from a renewable source of carbon. The biobased polymer composition exhibits an Emission Factor ranging from −3.5 to 0 kg CO2e/kg of the biobased polymer composition, and is biocompatible for use in pharmaceutical packaging. A pharmaceutical article includes the biobased polymer composition and has a volume ranging from 0.04 ml to 10000 ml. A method for forming a pharmaceutical article includes extruding the biobased polymer composition at a temperature ranging from 100 to 250° C. and at a screw speed ranging from 20 to 100 rpm. A method for producing a biobased polymer composition includes polymerizing ethylene at least partially obtained from a renewable source of carbon to form a low density polyethylene.