Under emerging trends, here are some of the more advanced materials:
Of course, aside from the above-mentioned scenarios, there are even more demanding conditions, such as:
Extremely cold environments – In addition to lightweight, high rigidity, and high strength requirements, materials also need to resist low temperatures.
Desert environments – Materials need to withstand high temperatures and UV radiation.
Wetland ecosystems – Materials need to resist moisture and thermal aging.
Medical and sanitation applications – Materials may need to come into direct contact with disinfectants and other corrosive substances.
Moreover, not only are there diverse scenarios, but in recent years, emerging trends have continued to evolve, such as the increasing pursuit of extreme thin-walling and extreme lightweighting.
Therefore, relying solely on traditional materials, whether metals, plastics, or the combination of metal and plastic, may not be sufficient to meet these demands.
In fact, looking at the main domestic and international modified plastic manufacturers, it is evident that they are simultaneously developing even more advanced materials to address these scenarios and emerging trends.
For example:
Extreme Cold Environments (-60℃ to 0℃)
Here, the challenges are material embrittlement, reduced toughness, and interface cracking.
Without considering cost, recommended materials include:
Low-temperature modified PEI (Polyetherimide)
Characteristics: Maintains 90% impact strength at -100℃, superior to PA6 in freeze crack resistance, and unchanged electrical insulation properties.
Especially suitable for: Polar research drone shells, battery compartment brackets.
Carbon fiber reinforced PEEK (CF/PEEK)
Characteristics: At -50℃, bending strength decreases by only 5%, resistant to thermal cycling, suitable for high-load low-temperature components (e.g., extreme cold environment landing gear).
Desert High-Temperature Environments (60℃+)
Here, the challenges are material softening, UV aging, and sand and dust wear.
Without considering cost, recommended materials include:
PI (Polyimide) Nanocomposites
Characteristics: Long-term temperature resistance up to 260℃, UV coating blocks 98% of UV rays, sand particle impact resistance (hardness up to H level).
Primarily used in: Desert inspection drone shells, solar panel brackets.
Ceramic-filled PPS (PPS-CF30)
Characteristics: Retains 85% of strength at 180℃, resistant to dry heat aging, used for engine cooling grilles.
Metalized ASA (ASA + Aluminum-Magnesium Alloy Coating)
Characteristics: Reflects heat on the surface, reducing internal temperature, ideal for electronic device enclosures in desert environments.
Pursuit of Extreme Thin-Walling
Currently, thin-walled materials face challenges such as severe warping, inadequate rigidity and strength, or poor appearance after thinning.
To address these issues, there is a new choice: Blade Plastic.
Blade plastic is a family of materials that, through optimized molecular structure and special reinforcement formulations, can maintain high bending strength and impact resistance in thin-walled states. It helps achieve ultra-thin-walled designs, significantly reducing material usage and product weight while retaining excellent mechanical performance, making it suitable for complex stress scenarios, all while ensuring good appearance.
Extreme Lightweighting Trend (50%+ Weight Reduction Compared to Traditional Plastics)
For even higher requirements, recommended materials include:
Microcellular Nitrogen Foamed PPA (PPA-MF)
Characteristics: Density of 0.6g/cm³, closed-cell structure is waterproof, suitable for water rescue drone floats.
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