Cobalt-Embedded CNT Catalyst

High Stability & Reusability

A heterogeneous cobalt catalyst embedded in carbon nanotubes, used with a MoS2 promoter, addressing deactivation and recovery issues of conventional cobalt catalysts in diisobutylene hydroesterification.

Zhaoxiong, Tian · Fanyu, Zhao · Kunyao, Zhang · Yuting, Feng · Liu, Hailong · Song, Heyuan

Applied Catalysis A: General 2026

Specifications

DIB conversion

{'zh': '80.0', 'en': '80.0'} %

Methyl isononanoate selectivity

{'zh': '94.7', 'en': '94.7'} %

Consecutive reaction cycles

{'zh': '6', 'en': '6'}

Advantages

No complex pretreatment

The catalyst is a heterogeneous powder with cobalt embedded in carbon nanotubes, allowing direct addition to the reaction mixture and easy separation afterward, suitable for continuous operation.

Broad substrate scope

The catalytic system demonstrates broad substrate applicability for hydroesterification reactions, suitable for various olefins.

Applications

• Hydroesterification：Used for methyl ester synthesis from DIB via hydroesterification, replacing homogeneous cobalt catalysts and simplifying separation.
• Heterogeneous catalysis：Provides stable heterogeneous active sites, preventing leaching and enabling recovery and reuse.
• CNT composites：Uses carbon nanotubes to anchor cobalt nanoparticles, improving dispersion and stability.