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Solvents are chemicals that dissolve other substances to form a solution. They can be polar, non-polar, organic, or inorganic, and are essential for processes like chemical reactions, extractions, and cleaning. Examples include water, acetone, ethanol, hexane, and toluene, and they are used in countless products, from paints and cosmetics to pharmaceuticals and cleaning supplies.
"Pharma chemicals" refers to the chemical compounds used to make pharmaceutical drugs, and the field that studies them is called medicinal chemistry or pharmaceutical chemistry. This discipline is a blend of chemistry and pharmacy focused on identifying, designing, and synthesizing new chemical entities for therapeutic use, as well as understanding the properties and effects of existing drugs.
Petrochemicals are chemical compounds derived from petroleum and natural gas that are used to make a vast range of products, including plastics, synthetic fibers, and solvents. These compounds are formed by refining oil and gas to break down hydrocarbon molecules into smaller, more useful ones.
Polymers are long chains of molecules (monomers) that can be found in nature or made synthetically, while plastics are a specific type of synthetic or semi-synthetic polymer that can be molded into various shapes. Plastics are formed through polymerization, where smaller monomer molecules are chemically linked together to form a large polymer chain. The specific monomers used, the way they are arranged, and additional additives all determine the properties of the final plastic.
Electronics and fine chemicals are deeply intertwined; fine chemicals are the high-purity, specialized substances essential for manufacturing advanced electronic components. This includes chemicals used in semiconductor fabrication like ultra-pure acids, solvents, and photoresists, as well as materials for displays, packaging, and batteries. The quality of these fine chemicals is critical, as it directly impacts the performance and reliability of electronic products, requiring extreme cleanliness and precision in their production.
Cosmetics contain chemicals for various purposes, including emollients (glycerin, mineral oil) for softening skin, preservatives (parabens, formaldehyde) to prevent contamination, and surfactants (sodium lauryl sulfate) for cleansing. Other common ingredients include colorants (iron oxide), fragrances (aldehydes), and UV filters (oxybenzone, zinc oxide).
Chemicals for paints, coatings, and adhesives are used to create binders, pigments, solvents, and additives that form a film with specific properties like adhesion, color, and protection. Key components include acrylic and epoxy resins as binders, titanium dioxide as a pigment, and various solvents to achieve proper application viscosity. These chemicals are crucial for durability, weather resistance, and the overall performance of the final product.
Agrochemicals are chemical products used in agriculture to enhance crop production, including fertilizers, pesticides (insecticides, herbicides, fungicides), and plant growth regulators. Fertilizers are specifically designed to provide essential nutrients to the soil, while pesticides protect crops from pests, diseases, and weeds. Modern agriculture relies on these products to meet growing global food demands, but their overuse can have negative environmental and health consequences.
Pigments and dyes are both colorants, but pigments are insoluble particles suspended in a medium, while dyes are soluble substances that dissolve in a solvent to become part of the material they color. This fundamental difference means pigments sit on the surface and require a binder, whereas dyes are absorbed into the substrate.
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KAASA CHEMICALS is a forward-thinking chemical company dedicated to innovation, quality, and reliability. We develop and supply high-performance chemical solutions for industries including paints & coatings, polymers, textiles, agriculture, water treatment and construction.