Patent · US Active

Hydrogenation catalyst composition and method for hydrogenation of conjugated diene polymer

US7612148B2 · kind B2 · utility

2Cited by
8References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2007
Grant dateNov 3, 2009
Priority date—
Expiry dateDec 19, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2531/46
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for hydrogenation of a conjugated diene polymer is provided. The conjugated diene polymer in an inert organic solvent is brought into contact with hydrogen in the presence of a hydrogenation catalyst composition to selectively hydrogenate the unsaturated double bonds in the conjugated diene units of the conjugated diene polymer. The hydrogenation catalyst composition includes: (a) a titanium compound; (b) a compound represented by formula (II) or formula (III):

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