Invention Grant
- Patent Title: Cycloolefin copolymers, a process for their preparation and the use thereof and catalysts
- Patent Title (中): 环烯烃共聚物，其制备方法及其用途和催化剂
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Application No.: US12077433Application Date: 2008-03-19
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Publication No.: US08236910B2Publication Date: 2012-08-07
- Inventor: Dieter Ruchatz , Anne-Meike Schauwienold , Peter Jörg
- Applicant: Dieter Ruchatz , Anne-Meike Schauwienold , Peter Jörg
- Applicant Address: DE Frankfurt
- Assignee: Topas Advanced Polymers GmbH
- Current Assignee: Topas Advanced Polymers GmbH
- Current Assignee Address: DE Frankfurt
- Agent Michael W. Ferrell, Esq.
- Priority: DE102007015707 20070402
- Main IPC: C08F4/76
- IPC: C08F4/76
Abstract:
Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.
Public/Granted literature
- US08138286B2 Cycloolefin copolymers, a process for their preparation and the use thereof and catalysts Public/Granted day:2012-03-20
Information query
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