In an article, author is Lan, Tianyu, once mentioned the application of 112-02-7, Safety of N,N,N-Trimethylhexadecan-1-aminium chloride, Name is N,N,N-Trimethylhexadecan-1-aminium chloride, molecular formula is C19H42ClN, molecular weight is 320, MDL number is MFCD00011773, category is catalyst-ligand. Now introduce a scientific discovery about this category.
Synthesis of New Dendritic Titanium Catalysts and Catalytic Ethylene Polymerization
The LOG dendrimer polyamidoamine (PAMAM), 3,S-dichlorosalicylaldehyde, and TiCL4 center dot 2THF were used as synthetic materials, and the dendritic salicylaldehyde imide ligand with substituent hindrance and its titanium catalyst were synthesized by the condensation reaction of Schiff base. The structure of the synthesized products was characterized by infrared spectroscopy, nuclear magnetic resonance hydrogen spectroscopy, ultraviolet spectroscopy, electrospray mass spectrometry, and inductively coupled plasma-mass spectrometry. Activated methylaluminoxane (MAO) was used as a catalyst precursor for ethylene polymerization in the process of ethylene catalytic. The effects of ethylene polymerization were studied in terms of the Al/Ti molar ratio, reaction time, reaction temperature, polymerization pressure, and ligand structure of the catalyst. The results show good catalytic performance (70.48 kg PE/mol Ti.h) for ethylene polymerization because of the existence of ortho substituent hindrance on the salicylaldehyde skeleton. Furthermore, high-temperature gel permeation chromatography (GPC)-IR, differential scanning calorimetry (DSC), and torque rheometer were used to characterize the microstructure, thermal properties, and viscoelastic state of the polyethylene samples obtained. The results showed that the product was ultrahigh-molecular-weight polyethylene.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI