Carbon Composite Material Flame Retardancy and Conductivity
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Solution Overview
Problem
Conventional carbon composite materials face challenges in achieving both electrostatic dispersibility and flame retardancy, as the use of carbon nanotubes improves conductivity but often compromises flame retardancy.
Innovation Solution
A carbon composite material comprising a polymer resin, carbon nanotubes with a thermal decomposition temperature of 550 °C or higher, and glass fibers, along with a phosphate ester derivative, which enhances flame retardancy while maintaining uniform electrostatic dispersibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If carbon nanotubes are used to improve electrical conductivity and electrostatic dispersibility, then the conductivity and electrostatic properties are improved, but the flame retardancy is compromised
Solution Approach 1:
The patent applies parameter changes by carefully controlling the content ratio of carbon nanotubes (0.01-5 parts by weight based on 100 parts by weight of polymer resin) and introducing phosphate ester derivatives (0.1-10 parts by weight) to modify the chemical composition parameters. This resolves the contradiction by finding an optimal parameter range where both electrostatic dispersibility and flame retardancy are achieved simultaneously
Solution Approach 2:
The patent creates a composite material system combining polymer resin, carbon nanotubes, and phosphate ester derivatives. This composite approach allows the carbon nanotubes to provide electrostatic dispersibility while the phosphate ester derivative component provides flame retardancy, thus resolving the contradiction through material composition design
2Reliability
If conventional carbon black or carbon fiber is used as filler in polymer resin, then electrical conductivity is increased, but the gloss characteristic deteriorates and application to product appearance is limited
Solution Approach 1:
The patent changes the physical form parameter from conventional carbon black or short carbon fiber to carbon nanotubes with specific aspect ratios and lengths (0.1-10 μm diameter, 1-1000 μm length). This parameter change maintains electrical conductivity while the unique nanotube structure provides better surface finish and gloss characteristics, enabling application to product appearances
3Manufacturing precision
If carbon nanotubes are used to improve conductivity uniformity, then the deviation of conductivity is reduced, but the flame retardant property deteriorates
Solution Approach 1:
The patent merges two functional components: carbon nanotubes for conductivity uniformity and phosphate ester derivatives for flame retardancy. By combining these materials in a composite system with specific content ratios, the patent achieves both conductivity uniformity (reduced deviation) and flame retardancy simultaneously, resolving the contradiction through functional integration
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 carbon composite material effectively improves both electrostatic dispersibility and flame retardancy, allowing for broader application in conductive and flame-resistant products.
Implementation Method 1
the carbon nanotube has a thermal decomposition temperature of 550 °C. or more
Implementation Method 2
a phosphate ester derivative... which enhances flame retardancy
Data Source
Figure 1~3
AI summary
The present invention relates to a carbon composite material and a method for producing the same, and more particularly, to a carbon composite material capable of improving electrostatic dispersibility and flame retardancy, and a method for producing the same. The carbon composite material according to the present invention can be effectively applied to products requiring conductivity and flame retardancy.