CN Patent

CN1253958A — 环烯烃开环易位聚合催化剂

Assigned to East China University of Science and Technology · Expires 2000-05-24 · 26y expired

What this patent protects

本发明公开了一种环烯烃开环易位聚合(ROMP)反应催化剂。本发明采用TiCl 4 与配位体反应生成的固体络合物作为催化剂主体,与烷基铝或格氏试剂组成开环易位聚合(ROMP)反应催化剂体系,既保持了TiCl 4 具有较高催化活性的优点,同时又避免了直接使用液体TiCl 4 时的缺点。所说的催化剂体系,催化活性高,无需严格的操作条件,简便易行,易于工业化实施,是一种较有应用前景的环烯烃开环易位聚合催化剂,尤其可用于双环戊二烯和降冰片烯等环烯烃开环易位聚合聚反应。

USPTO Abstract

本发明公开了一种环烯烃开环易位聚合(ROMP)反应催化剂。本发明采用TiCl 4 与配位体反应生成的固体络合物作为催化剂主体,与烷基铝或格氏试剂组成开环易位聚合(ROMP)反应催化剂体系,既保持了TiCl 4 具有较高催化活性的优点,同时又避免了直接使用液体TiCl 4 时的缺点。所说的催化剂体系,催化活性高,无需严格的操作条件,简便易行,易于工业化实施,是一种较有应用前景的环烯烃开环易位聚合催化剂,尤其可用于双环戊二烯和降冰片烯等环烯烃开环易位聚合聚反应。

Drugs covered by this patent

Patent Metadata

Patent number
CN1253958A
Jurisdiction
CN
Classification
—
Expires
2000-05-24
Drug substance claim
No
Drug product claim
No
Assignee
East China University of Science and Technology
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.