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Water-philic

Water-philic, derived from the Greek words 'hydro' (water) and 'philos' (loving), describes a substance or molecule that has an affinity for water and tends to dissolve in, mix with, or be wetted by water. This characteristic arises from polar or ionic interactions between the water molecules and the substance. These interactions typically involve hydrogen bonding or electrostatic forces. water-philic substances are generally soluble in water and are often polar themselves, allowing for effective interactions. The opposite of water-philic is water-phobic (hydrophobic).

Water-philic meaning with examples

  • The scientist added the water-philic dye to the solution, and it immediately dispersed throughout, demonstrating its strong affinity for water. Its polar structure allowed it to easily interact with the water molecules, creating a homogenous mixture. This easy mixing highlights the water-philic property.
  • Cellulose, the main component of plant cell walls, exhibits water-philic properties, allowing it to absorb water and contribute to the structural integrity of plants. The hydroxyl groups on the cellulose molecules form hydrogen bonds with water molecules, showcasing its attraction to water. This property makes paper absorbent.
  • Many sugars and salts are water-philic, readily dissolving in water due to their polar nature and the resulting hydrogen bonding. When you dissolve sugar in tea, this property is at play! Their ability to form strong intermolecular attractions with water is essential for their solubility.
  • Certain polymers are designed with water-philic segments, making them suitable for applications like hydrogels and coatings that interact with aqueous environments. These materials are often used in absorbent hygiene products because their water-philic nature allows them to easily absorb and retain water or body fluids.
  • The coating on the inside of this water bottle is water-philic, ensuring the water stays pure without attracting grime. This specific use demonstrates its suitability and importance for such food and hygiene applications where a water-philic surface is desired for cleaning.

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