Climate chamber

humiditytemperaturestability

Overview
The Inovenso climate control module provides integrated regulation of temperature and relative humidity for electrospinning/electrospraying chambers. Precise control of environmental parameters improves fiber morphology, reproducibility and process stability for R&D and scale-up applications.

Effect of relative humidity on electrospinning

• Low relative humidity: Faster solvent evaporation increases polymer concentration and viscosity, leading to earlier solidification, potential improved fiber alignment and charge effects, but requires an optimal humidity setpoint for stable fiber formation.
• Higher relative humidity: Slower evaporation can cause fiber swelling, beading and irregularities due to incomplete solidification before collection; increased surface conductivity on the collector may alter deposition patterns.
• Relative humidity control enables tuning of nanofiber diameter and uniformity by influencing solvent evaporation rate and capillary breakup behavior of the viscoelastic jet.

Benefits of integrating humidity control systems
Using humidification and dehumidification in electrospinning setups provides concrete process advantages:

• Improved fiber quality and membrane performance: Consistent humidity supports uniform diameter distribution and smoother surfaces with reduced beading.
• Enhanced mechanical properties: Correct humidity conditions positively affect fiber strength and flexibility.
• Optimized solvent evaporation: Controlled humidity ensures appropriate solvent removal and timing of solidification, reducing waste.
• Process stability and reproducibility: Stable environmental conditions reduce variability and facilitate scale-up.
• Increased material versatility: Enables testing of a broader range of polymers and blends.
• Economic gains: Higher yield and reduced rework lower production costs.

Effect of temperature-controlled chamber in electrospinning
Chamber temperature affects solvent evaporation rate, Taylor cone stability and homogeneity of deposited fibers or particles. Accurate temperature control supports continuous production and minimizes defects such as beading, bundling and unwanted bonding.

Importance of temperature-controlled chamber

• Phase separation management: Temperature control reduces unwanted phase separation in polymer blends during deposition.
• Solvent evaporation tuning: Temperature adjustments directly influence evaporation kinetics and jet stability.
• Process stability: Minimizing temperature fluctuations reduces defects and improves continuous producibility.
• Morphology control: Appropriate temperature settings help obtain thinner fibers and more uniform particles.

Advantages of Inovenso's temperature & humidity control solutions

• Increased process efficiency and reduced production interruptions such as clogging with low-boiling solvents.
• Improved sample quality and reproducible stability across runs.
• Facilitated scale-up for higher production rates with maintained product consistency.

Caractéristiques / spécifications techniques

• Function: Integrated climate control for electrospinning/electrospraying processes (temperature control, humidifier and dehumidifier functions).
• Temperature capability: chamber heating of spinning area up to 40°C to improve process stability.
• Humidity control: active humidification and dehumidification to tune relative humidity for optimized solvent evaporation and fiber morphology.
• Primary benefits: improved fiber uniformity, reduced beading, enhanced mechanical properties, optimized solvent evaporation and increased process stability and scalability.
• Applications: designed to assist researchers and manufacturers in obtaining reproducible nanofibers and electrosprayed nanoparticles for R&D and scale-up.
• Integration: environmental control option compatible with Inovenso electrospinning/electrospraying systems.