Patent · US Expired

Process for preparation of syndiotactic vinylidene aromatic polymers using chain transfer agent

US5428120A · kind A · utility

11Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1993
Grant dateJun 27, 1995
Priority date
Expiry dateOct 8, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F4/6592
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with tri n-propyl aluminum chain transfer agent under Ziegler-Natta polymerization conditions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.