This is because there is a loss in mass during the condensation process. Condensation polymers often require heat, form slower than do addition polymers, and are lower in molecular weight. Examples of naturally occurring condensation polymers are cellulose, the polypeptide chains of proteins, and poly(β-hydroxybutyric acid), a polyester synthesized in large quantity by certain soil and water bacteria. Historical aspects. ; Condensation polymerisation forms the polymer molecule and one water molecule per linkage. Wiktionary Briefly describe the procedure for separating the components of the gun-powder? Nylon-6, 6: It is a polymer of adipic acid (1, 6-hexaneioic acid) and hexamethylene diamine (1, 6-diaminohexane)   Characteristics and uses: Nylon-66 (read as nylon-six-six) can be cast into a sheet or fibres by spinning devices. Plastics are a group of materials, either synthetic or naturally occurring, that may be … (adsbygoogle = window.adsbygoogle || []).push({}); In a condensation reaction, two molecules or parts thereof combine, releasing a small molecule. It is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. 2. Nylon finds uses in: producing bristles and brushes, carpets and fabrics in textile industry, elastic hosiery in the shape of crinkled nylon. The polymer is also used as mylar in the preparation of films, magnetic recording tapes and for packing frazen food. Notice how every other carbon must have a chlorine attached. Most natural polymers being employed at early stage of human society are of condensation type. Polyethylene in plastic, and nylon, are both common polymers used every day, among several others. ii) Condensation polymers: These polymers are formed by the combination of monomers, with the elimination of small molecules like water, alcohol etc. In this article, we are going to discuss condensation type of polymerization. Polymerization is of two types, condensation polymerization and addition polymerization. The molarity of a solution of Na2CO3 having 10.6g/500ml of solution is : (a) 0.2M (b)2M (c)20M (d) 0.02M. All the earlier development of internal energy and enthalpy has been "thermodynamic". The reaction is shown in the graphic on the left. When this small molecule is water, it is known as a dehydration reaction. When a condensation is performed between different parts of the same molecule, the reaction is termed intramolecular condensation; in many cases, this leads to ring formation. One important class of condensation polymers are polyamides. When two separate molecules react, their condensation is termed intermolecular. To form a condensation polymer, what structural feature is needed in the monomer . Nylon-6 finds uses in the manufacture of tyre cords, fabrics and ropes. It is used to make drinks bottles and fleece clothing. an amino acid) or … This preview shows page 20 - 23 out of 38 pages. Condensation polymers contrast the other types of polymers through their chemical activity. It is used as a blend with cotton and wool in clothing. B) Both addition polymers and condensation polymers lose some atoms from the original monomers when the polymer is formed. Poly (ethylene glycol phthalate) dissolves in suitable solvents and the solution on evaporation leaves a tough and non-flexible film. 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