Brucite powder modified benzoxazine resin: innovative research on improving thermal stability and flame retardant properties
In modern industry, the thermal stability and flame retardant properties of resin materials are key indicators to measure their application potential. Brucite powder, as an efficient inorganic filler, has been proven to effectively improve these properties of benzoxazine resin.
Characteristics of brucite powder
Brucite powder (chemical formula Mg(OH)₂) is known for its excellent flame retardant properties and the dilution of oxygen concentration by water vapor generated at high temperatures. It also absorbs a large amount of heat during the decomposition process and is ideal for improving the thermal stability of resins. .
Research focus
Effect of solidification behavior
Curing reaction: Brucite powder acts as a physical filler and does not affect the chemical reaction of benzoxazine resin.
Cure kinetics: Cure kinetic parameters were analyzed by DSC to evaluate activation energy and curing temperature.
Thermal stability
Thermogravimetric Analysis (TGA): Evaluates the mass loss of a material during heating, brucite powder improves thermal stability.
Thermal decomposition temperature: Modified resin exhibits higher heat resistance.
Mechanical properties
Dynamic thermomechanical analysis (DMA): Determine the elastic modulus, storage modulus, loss modulus, etc. of the material.
Glass transition temperature (Tg): DMA provides key thermal stability and mechanical properties.
Flame retardant properties
Vertical burning test: evaluate the flame retardant properties of modified resin.
Smoke Density and Toxicity: Brucite powder reduces toxic gases and smoke during combustion.
Application areas
Modified benzoxazine resin has wide application prospects in industries that require high thermal stability and flame retardant properties, such as:
Electronic and electrical industry
aerospace industry
Research on brucite powder modified benzoxazine resin reveals its potential in improving the thermal stability and flame retardant properties of materials. Through scientific experimental methods and in-depth analysis, this composite material is expected to play an important role in multiple high-tech fields.