China Suppliers Premium Pitch-Based Pre-Oxidation Furnace Factory for Carbon Fiber Production
Working Principles
The asphalt-based pre-oxidation furnace mainly uses high temperature and oxidizing atmosphere to cause an oxidation reaction of the asphalt-based carbon fiber precursor, realize the cyclization and cross-linking of the macromolecular chain, and convert it into a non-plastic heat-resistant trapezoidal structure, so that it will not melt or burn under the subsequent carbonization high temperature, and maintain the fiber morphology.
Frequently Asked Questions (FAQ)
What is the primary function of an asphalt-based pre-oxidation furnace?
The furnace utilizes high temperatures and an oxidizing atmosphere to trigger an oxidation reaction in the asphalt-based carbon fiber precursor, preparing it for subsequent carbonization processes.
How does pre-oxidation modify the molecular structure of the precursor?
It facilitates the cyclization and cross-linking of the macromolecular chain, converting it into a stable, non-plastic, heat-resistant trapezoidal structure.
Why is the heat-resistant trapezoidal structure crucial for carbonization?
This specific structure prevents the precursor fiber from melting or burning when exposed to the high temperatures required during the subsequent carbonization phase.
What happens to the fiber morphology during the pre-oxidation process?
The pre-oxidation process stabilizes the fiber, allowing it to maintain its distinct physical morphology without deformation throughout the high-temperature processing stages.
Why is an oxidizing atmosphere necessary in the pre-oxidation furnace?
The oxidizing atmosphere provides the necessary oxygen components required to drive the chemical stabilization and cross-linking reactions in the precursor material.