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What is Plasma?
Plasma is considered the fourth state of matter. It is a unique processing medium when it comes to treating surfaces and for surface modifications. Plasma is an ionized gas that consists of ions, electrons, and neutral atoms. While electrons in the plasma exist at a higher temperature as compared to neutral gas, the plasma is always at near-ambient temperature with the density of its electron being around 1010 cm-3. Plasma cleaning can effectively remove all organic contaminations from surfaces through the process of a chemical reaction (air plasma) or physical ablation (Ar plasma/ Argon plasma). A plasma cleaning system also works with chemical functional groups, such as, carboxyl, carbonyl, and hydroxyl on the surface, which results in rendering most surfaces hydrophilic. Apart from being clean, a surface also has got to be hydrophilic, i.e. having a decreased amount of water contact angle with an increase in wettability to enhance the bonding or adhesion to other surfaces during the manufacturing process. Apart from that, plasma cleaning is also used to remove microbial contaminants from a surface, which makes it extremely beneficial for sterilization in biomaterials research applications.(RP Plasma)
What is Plasma?
Plasma is considered the fourth state of matter. It is a unique processing medium when it comes to treating surfaces and for surface modifications. Plasma is an ionized gas that consists of ions, electrons, and neutral atoms. While electrons in the plasma exist at a higher temperature as compared to neutral gas, the plasma is always at near-ambient temperature with the density of its electron being around 1010 cm-3. Plasma cleaning can effectively remove all organic contaminations from surfaces through the process of a chemical reaction (air plasma) or physical ablation (Ar plasma/ Argon plasma). A plasma cleaning system also works with chemical functional groups, such as, carboxyl, carbonyl, and hydroxyl on the surface, which results in rendering most surfaces hydrophilic. Apart from being clean, a surface also has got to be hydrophilic, i.e. having a decreased amount of water contact angle with an increase in wettability to enhance the bonding or adhesion to other surfaces during the manufacturing process. Apart from that, plasma cleaning is also used to remove microbial contaminants from a surface, which makes it extremely beneficial for sterilization in biomaterials research applications.(RP Plasma)