Unsaturated Polyolefin Cable Insulation With Reduced Peroxide Curing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Polyethylene-based power cable insulations require a significant amount of peroxide for crosslinking, leading to the production of harmful byproducts that necessitate a costly and time-consuming degassing process to meet industry standards.
Innovation Solution
A curable composition comprising unsaturated polyolefins and a cross-linking agent, which allows for high crosslinking with reduced peroxide usage, eliminating the need for degassing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a significant amount of peroxide is used for crosslinking polyethylene-based power cable insulations, then a sufficiently high degree of crosslinking is achieved, but harmful byproducts are produced that require a costly and time-consuming degassing process
Solution Approach 1:
The patent changes the chemical parameters of the crosslinking system by introducing unsaturated polyolefins with specific functional groups (vinyl, vinylidene, vinylene) and using alternative crosslinking agents. This modifies the crosslinking reaction pathway to reduce byproduct formation while maintaining adequate crosslinking degree, directly addressing the contradiction between crosslinking effectiveness and harmful byproduct generation
Solution Approach 2:
The invention creates a composite curable composition combining polyethylene base material with unsaturated polyolefin additives containing specific functional groups. This composite approach enables crosslinking through alternative mechanisms that produce fewer harmful byproducts, resolving the contradiction by integrating multiple material functions into a single system
2Strength
If a significant amount of peroxide is used for crosslinking, then a sufficiently high degree of crosslinking is achieved, but a costly and time-consuming degassing process is required
Solution Approach 1:
By modifying the crosslinking chemistry through unsaturated polyolefins and alternative crosslinking agents, the patent changes reaction parameters to minimize byproduct generation. This eliminates or reduces the need for degassing processes, thereby reducing both time loss and associated costs while maintaining required crosslinking degrees
Solution Approach 2:
The invention converts the potentially harmful byproducts of traditional peroxide crosslinking into a benefit by using alternative crosslinking mechanisms. The curable composition is designed to crosslink with minimal byproduct formation, turning the original harmful process into a cleaner, more efficient operation that reduces or eliminates degassing requirements
3Reliability
If peroxide crosslinking is used to achieve high crosslinking degree, then cable insulation performance is improved, but the process becomes costly due to byproduct removal requirements
Solution Approach 1:
The patent changes the chemical composition parameters by incorporating unsaturated polyolefins with specific functional groups and using alternative crosslinking agents. This modifies the crosslinking process to reduce byproduct formation, thereby eliminating costly degassing operations while maintaining cable insulation performance and reliability
Solution Approach 2:
The invention develops a composite curable composition that integrates polyethylene base material with unsaturated polyolefin crosslinking agents. This composite material system achieves reliable cable performance through alternative crosslinking mechanisms that are less costly to manufacture, as they eliminate or reduce the need for expensive byproduct removal processes
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
The composition achieves sufficient crosslinking without the need for degassing, maintaining cable performance and adhering to industry hot creep requirements.
Implementation Method 1
a curing component comprising a cross-linking agent
Data Source
AI summary
The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.