公开(公告)号：US10472468B2

公开(公告)日：2019-11-12

申请号：US15876350

申请日：2018-01-22

申请人： WHITEFOX TECHNOLOGIES LIMITED

发明人： Stephan Rüdiger Blum ,  Katharina Kleine ,  Wolfgang Bremser

IPC分类号： C08G73/18 ,  C08G73/06

摘要： The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.

公开(公告)号：US09873768B2

公开(公告)日：2018-01-23

申请号：US14979039

申请日：2015-12-22

申请人： WHITEFOX TECHNOLOGIES LIMITED

发明人： Stephan Rüdiger Blum ,  Katharina Kleine ,  Wolfgang Bremser

IPC分类号： C08G73/18 ,  C08G73/06

CPC分类号： C08G73/18 ,  C08G73/0677

摘要： The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.