Oligomerization Catalyst Merging Tetramer and Trimer Functions
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current processes for the oligomerization of olefinic compounds, particularly those involving tetramerization reactions, lack the ability to manipulate the composition of the product stream effectively to meet market demands, and there is a need for a method that combines tetramerization and further oligomerization reactions to achieve a desired mixture of tetramers and other oligomers.
Innovation Solution
A process involving the use of a tetramerization catalyst comprising a transition metal source and a specific ligating compound, in combination with a further oligomerization catalyst, to facilitate the oligomerization of olefinic compounds, allowing for the manipulation of the product stream's composition by adjusting the ratios of tetramers and other oligomers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a tetramerisation reaction is performed to produce tetramer olefin, then the product stream contains high tetramer content, but the ability to manipulate product composition to meet market demands is limited
Solution Approach 1:
The patent combines a tetramerisation catalyst system with a further oligomerisation catalyst system in a single reaction process. This merging of two catalytic functions allows the production of both tetramers and other oligomers (trimers, pentamers, etc.) simultaneously, enabling flexible manipulation of product composition to meet different market requirements while maintaining high tetramer content when needed.
Solution Approach 2:
The patent employs dynamic control of catalyst ratios and reaction conditions to adjust product composition. By varying the relative amounts of tetramerisation and oligomerisation catalysts, and adjusting reaction parameters such as temperature and pressure, the process can dynamically adapt to produce different oligomer distributions according to market demands.
2Productivity
If current oligomerisation processes are used, then the production process is simple, but the ability to produce desired mixtures of tetramers and other oligomers is insufficient
Solution Approach 1:
The patent merges tetramerisation and oligomerisation reactions into a single integrated process using combined catalyst systems. This allows simultaneous production of multiple oligomer types (C6, C8, C10, etc.) in controlled ratios, improving both productivity by eliminating separate reaction steps and manufacturing precision through catalyst-controlled selectivity.
Solution Approach 2:
The patent utilizes parameter changes in catalyst composition and reaction conditions to control product distribution. By adjusting catalyst ratios, ligand types, and reaction parameters, the process can selectively produce desired oligomer mixtures while maintaining high overall productivity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables the production of a product stream with controlled ratios of tetramers and other oligomers, enhancing the flexibility to meet market requirements and improving the efficiency of the oligomerization process.
Implementation Method 1
a tetramerisation catalyst comprising a combination of i) a source of a transition metal; and ii) a ligating compound
Implementation Method 2
The tetramerisation catalyst comprises a combination of a source of a transition metal and a ligating compound
Implementation Method 3
a further oligomerisation catalyst, wherein the further oligomerisation catalyst is different from the tetramerisation catalyst
Data Source
AI summary
This invention relates to a process for the oligomerization of at least one olefinic compound in the form of an olefin or a compound including art olefinic moiety by contacting the at least one olefinic compound with at least two different catalysis, namely a tetramerization catalyst and a further oligomerization catalyst. The tetramerization catalyst comprises a combination of a source of a transition metal and a ligating compound of the formula (R1)mX1(Y)X2(R2)n. The invention also relates to an oligomerization catalyst comprising the combination of (i) source of transition metal for both a tetramerization catalyst and a trimerization catalyst; (ii) a ligating compound for a tetramerization catalyst: (iii) a different ligating compound for a trimerization catalyst: and (iv) optionally an activator.