WebS. Sinha Ray, M. Bousmina, in Polymer Nanocomposites, 2006 3.2 Definition and categories of biodegradable polymers. Biodegradable polymers are defined as those that undergo microbially induced chain scission leading to the mineralization. Specific conditions in terms of pH, humidity, oxygenation and the presence of some metals are required to ensure the … WebJun 16, 2024 · Hydrophilic Definition. What does a hydrophile (or hydrophilic molecule) mean? If a molecule is “water-loving”, it is known as ‘hydrophile’ (noun) that possesses a hydrophilic nature.In contrast, if a molecule doesn’t like water i.e. repel water, it is known as ‘hydrophobic‘.The terms hydrophilic and hydrophobic are used to describe molecules or …

Saturated and unsaturated compounds - Wikipedia

WebPolymers are long chain, giant organic molecules are assembled from many smaller molecules called monomers. Polymers consist of many repeating monomer units in long … http://web.mit.edu/5.33/www/lec/poly.pdf ons aba huis

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WebJul 20, 1998 · polymer, any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, that are multiples of simpler chemical units called monomers. Polymers make up many of the materials in living organisms, including, for … Synthetic polymers are produced in different types of reactions. Many simple … Proteins are polymers of amino acids, cellulose is a polymer of sugar … inorganic polymer, any of a class of large molecules that lack carbon and are … phosphoric acid, also called orthophosphoric acid, (H3PO4), the most … polysaccharide, also called glycan, the form in which most natural carbohydrates … lignin, complex oxygen-containing organic polymer that, with cellulose, forms the … isoprene, also called 2-methyl-1,3-butadiene, a colourless, volatile liquid … Karl Ziegler, (born Nov. 26, 1898, Helsa, near Kassel, Ger.—died Aug. 12, 1973, … WebMay 16, 2024 · In other words, polymers typically have very large and heavy molecules. Artwork: Polymers are made from long chains of a basic unit called a monomer. Polyethylene (polythene) is made by repeating the … WebJan 17, 2024 · A monomer, as the name suggests, is a single molecule that can react with other monomer molecules to form a polymer. It is the basic unit of a polymer, and can be thought of as the fundamental building block of a polymer compound. That makes it rather simple to define a polymer… it is a large molecule composed of small subunits called … in your darkest hour in the blackest night