Condensation polymerization occurs when two monomers react to form a polymer, with a small molecule (often water) being produced as a byproduct. The reaction typically requires high temperatures and longer reaction times compared to addition polymerization, as well as the presence of functional groups (such as hydroxyl or carboxyl groups) on the monomers that can react to form covalent bonds.
condensation polymerization takesplace in a step wise manner.In addition polymerization monomers react to form polymers and there is no biproduct formation.In condesation polymerisation, byproducts are formed in every steps called as dimer,trimer.tetramer etc...
According to Sci-Tech Encyclopedia, as quoted on Answers.com, The linking of small molecules (monomers) to make larger molecules. There are two primary ways this linking occurs, condensation method, and the addition method. Both require a catalyst, such as an acid, or a heat source, depending on which method is used. For a more complete discussion of this subject, see the excellent article on Answers.com For a children's version of the explanation of polymerisation, see this excellent "Making Science Fun" article: http://www.stevespanglerscience.com/experiment/00000039
To increase the rate of condensation, you can decrease the temperature of the surroundings or increase the humidity level in the air. Both of these conditions promote the conversion of a gas to a liquid. Additionally, providing a surface for the water vapor to condense on, such as a cool glass or mirror, can also speed up the condensation process.
The condensation rate formula is typically calculated using the equation: Condensation Rate (Pvapor - Pliquid) / R Where: Pvapor is the vapor pressure of the substance Pliquid is the pressure of the substance in its liquid state R is the gas constant This formula helps determine how quickly a substance transitions from a gas to a liquid under specific conditions.
Evaporation is the opposite of condensation.
Condensation polymerisation is when two molecules of the same substance (monomer) react together to form polymer chain (like polythene) and eliminate a smaller (usually water) molecule. For example, Nylon-6 is prepared by using condensation polymerisation of ε-Caprolactum
There are 2 types:- Addition polymerisation is polymerisation in which monomers are joined across the double bond, for example polyethene. Condensation polymerisation is when water is lost from the two monomers for example the polymerisation of nylon, the two monomers are a diamine and dicarboxylic acid. From the amine an H goes and combines with and OH from the acid to form water. From this reaction, 2 moles of water are lostto form nylon -NH-[ ]-NH-C=O-[ ]-C=O-
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polyethylene,polyvinylchloride
Polymerisation is a process of reacting monomer molecules together in a chemical reaction to form three-dimensional networks or polymer chains.
Polymerisation
polymerisation in the presence of an electrical current
Addition polymerisation
polymerisation.
water vapour/ cold /and a condensation medium
condensation polymerization takesplace in a step wise manner.In addition polymerization monomers react to form polymers and there is no biproduct formation.In condesation polymerisation, byproducts are formed in every steps called as dimer,trimer.tetramer etc...
According to Sci-Tech Encyclopedia, as quoted on Answers.com, The linking of small molecules (monomers) to make larger molecules. There are two primary ways this linking occurs, condensation method, and the addition method. Both require a catalyst, such as an acid, or a heat source, depending on which method is used. For a more complete discussion of this subject, see the excellent article on Answers.com For a children's version of the explanation of polymerisation, see this excellent "Making Science Fun" article: http://www.stevespanglerscience.com/experiment/00000039