Your email address will not be published. Addition Polymerization. The process of combining a large number of small molecules to form a single macromolecule is known as polymerization. Condensation Polymerization. 3. Recent advances in controlled polymerization techniques have offered the possibility to change the growth mechanism to a “living” polymerization in both cases of polymerization. They are also referred to as macromolecules. This processcontinues to form polymers, some of which can be many thousands of monomerslong. Condensation Polymerization S Ramakrishnan S Ramakrishnan is a professor in the Department of Inorganic and Physical Chemistry at the Indian Institute of Science. Then they unfold their arms and hold hands (single bond). Whereas other compounds are of relatively low molar mass, polymers are giant molecules of very high molar mass. Citing Literature . Available here    1. Initiation, propagation and finally termination. The difference between addition and condensation polymerization is that for addition polymerization, monomer should be an unsaturated molecule whereas for condensation polymerization, monomers are saturated molecules. condensation polymerization. The kinetic treatment of condensation polymerization focuses on the step‐growth mechanism, with a separate section devoted to cases of living polycondensation. Required fields are marked *, Difference Between Addition And Condensation Polymerization. The polymerization of nylon: •For condensation polymerization to occur, monomers must be bifunctional, meaning they have at least two functional groups. The main difference between addition and condensation polymerization is that in addition polymerization the polymers are formed by the addition of monomers with no by-products whereas in condensation polymerization, the polymers are formed due to the condensation more than one different monomers resulting in the formation of small molecules such as HCl, water, ammonia, etc., as by-products. Condensation Polymerization. The repeating units represent monomers. In organic chemistry, reactions are described which occur between different functional groups. In addition polymerisation, the monomers must have a C=C double bond. These two groups are addition polymerization and condensation polymerization. Addition and condensation polymerization are the two major processes of producing a polymer compound. In the synthesis process (polymerization), longer polymer chains form. No other product is produced in the formation of . The process of synthesizing addition polymers is addition polymerization. I really love the explanation it’s so understandable thank you. or . In addition polymerization, there are three distinct steps. We discuss the differences between addition and condensation polymerization. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. The kinetic treatment of condensation polymerization focuses on the step‐growth mechanism, with a separate section devoted to cases of living polycondensation. Step growth polymerization is also known as condensation polymerization. Comparatively, addition polymerization is a rapid process when condensation polymerization is rather a slow process. There are three steps to a chain reaction; Figure 01: Addition polymerization for polyethylene production (X is peroxide radical). 1 In the case of a condensation reaction, two monomers combine with the loss of a small molecule, usually an alcohol, a water or an acid molecule, whereas an addition reaction involves only the rearrangement of the electrons of a double bond to form a single bond with another molecule. the conversion … In contrast, condensation polymerisation produces condensation polymers through the intermolecular condensation of two different monomers with the formation of small molecules such as HCl, water, ammonia, etc., as by-products. There are many differences between the two processes. Addition polymers are those formed from monomers without the loss of a small molecule, meaning there is bond opening. Get more information in … Condensation and addition polymerization are the two most common methods for polymer synthesis. The difference between addition and condensation polymerization is that for addition polymerization, monomer should be an unsaturated molecule whereas for condensation polymerization, monomers are saturated molecules. Condensation polymers are any kind of polymers formed through a condensation reaction where molecules join togetherlosing small molecules as by-products such as water or methanol , as opposed to addition polymers which involve the reaction of unsaturated monomers . Let us do a comparative analysis of the two types of polymerization to understand them better. As the end product, addition polymerization produces high molecular weight polymers, and they are non-biodegradable and difficult to recycle. Addition polymerizatio… In condensation polymerization, there is no termination step. Addition polymerization is involved in the manufacture of polymers such as polyethylene, polypropylene and polyvinyl chloride (PVC). Since addition polymerization has rapidly growing chains and free monomer as its reactants, and condensation polymerization occurs in step-wise fashion between monomers, dimers, and other smaller growing chains, the effect of a polymer molecule's current size on a continuing reaction is profoundly different in these two cases. is that polycondensation is (chemistry) any condensation reaction, of a monomer having two functional groups, which leads to the formation of a polymer (a polycondensate) while polymerization is (chemistry) the chemical process, normally with the aid of a catalyst, to form a polymer by bonding together multiple identical units (monomers). First, dimers, trimmers, and tetramers are formed. Libretexts. Condensation Polymerization. Each time a bond forms between monomers, small molecules, such as water, ammonia, or HCl are “condensed” out. Types of condensation polymers include polyamides , polyacetals and polyesters . The final stages of condensation polymerization are characterized by a rapid rise in molecular weight, as the condensation product is formed and diffuses out of the polymer. Addition polymerisation produces addition polymers through the addition of olefinic monomers without the formation of any by-product. Then these oligomers combine with each other forming long polymer chains. Addition polymerization is the process of repeated addition of monomers that possess double or triple bonds to form polymers. Polymers are very different from the other kinds of organic molecules that you have seen so far. Ultimately the reaction stops when two radicals join together and form a stable bond. Condensation and addition polymerization are the two most common methods for polymer synthesis. Addition polymerizations usually are carried out in the presence of… Polyester and nylon are some of the most common examples of this type. See under polymerization(def 2). Polyester is an example for a condensation polymer. These two groups are addition polymerization and condensation polymerization. 2018. The final stages of condensation polymerization are characterized by a rapid rise in molecular weight, as the condensation product is formed and diffuses out of the polymer. Step-growth polymerizations can be divided into two lasses: condensation and addition polymerization. The key difference between addition and radical polymerization is that the addition polymerization occurs via the addition of unsaturated monomers whereas the radical polymerization occurs via the addition of free radicals. CHEM 379 – W20 Polymers & Polymerization 5-1 5. A special case of addition polymerization leads to living polymerization. They are often described as macromolecules due to their size. In condensation polymerisation, a small molecule is formed as a by-product each time a bond is formed between two monomers. Addition and Condensation Polymers and Polymerization Key Concepts. Your email address will not be published. These monomers possess double or triple bonds to form polymers. The monomer should have functional groups in ends, which can react together to continue the polymerization. Polymerization is the process of producing a polymer using a large number of monomers. This radical attacks the monomer to activate it and produce a monomer radical. condensation) versus Chain-Growth (e.g. Addition Polymerization ... Condensation Polymerization Monomers combine to form a polymer and a bi-product. noun Chemistry. The monomer should be an unsaturated molecule in addition polymerization whereas monomers are saturated molecules in condensation polymerization. Addition polymerization Condensation polymerization Single bifunctional monomer species Two or more monomer species 10:05 PM / Remaining: 44 min. The addition polymerization definition is that this is the process of repeated addition of monomers. For an example, we will take the synthesis of polyethylene, which is an addition polymer useful in making products such as garbage bags, food wrap, jugs, etc. 3. This is a chain reaction; therefore, any number of monomers can join into a polymer. In this case, monomers have unsaturated bonds which normally open up and join with the other monomer. During propagation, only monomers react to the active site at the end of the growing chain. In this article, we are going to discuss condensation type of polymerization. Such polymers are condensation polymers. Let’s study the latter polymerization in detail. Side by Side Comparison – Addition Polymerization vs Condensation Polymerization in Tabular Form Addition polymerization and condensation polymerization are two modes of polymerization reactions in the formation of polymers. For instance, a carboxylic acid group can react with an amine group … Unlike in chain growth polymerization, the polymer chains here are not formed at the beginning. Thank you for this information it is very helpful. Any condensation process that results in the formation of polymers, is the condensation polymerization. Polymers are large molecules that have the same structural unit repeating over and over. Addition polymers from alkene monomers or substituted alkene monomers are the biggest groups of polymers in this class. Self-addition of several bifunctional monomers to each other … These monomers bind with each other via covalent bonds to form a polymer. In organic chemistry, reactions are described which occur between different functional groups. Condensation polymerization definition is - polymerization in which a single molecule is eliminated —distinguished from addition polymerization. There are many differences between the two processes. The end groups remain reactive through the entire process. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } In addition polymerization, monomers react to form a polymer without the formation of by-products. Activated monomer attacks another double bonded monomer and attaches together. the act or process of forming a polymer or polymeric compound. addition polymers are formed by repeated addition reactions of monomers eg.Teflon-tetrafluroethene whereas condensation polymers are formed by repeated linkages between monomers with the elimination of small molecules like water.they require at least two reactive sites.eg.nylon a condensation polymer whose repeating unit as an amide If the monomers have double bonds between carbons, addition polymers form via addition polymerization. Addition Polymerization. Unlike in chain growth polymerization, the polymer chains here are not formed at the beginning. In other words, addition of each monomer unit regenerates the active site. A small molecule like water or HCl releases as a by-product during the condensation polymerization. Polymers are generally formed by the addition of a network of structural units or small molecules called monomers. Addition and condensation polymerization are the two major processes of producing a polymer compound. Polymers can be classified into 2 types as per their preparation process they undergo – Addition polymerization and Condensation Polymerization. Combining macromolecular kinet­ ics with reactor and process design has led to a new concept called reac­ tion engineering. for example nylon, … the combination of many like or unlike molecules to form a more complex product of higher molecular weight, with elimination of water, alcohol, or the like (condensation polymerization), or without such elimination (addition polymerization). Chain addition polymerization also referred to as chain-growth polymerization technique is a chain reaction in which the growth of a polymer chain proceeds exclusively by reaction(s) between monomers(s) and active site(s) on the polymer chain with regeneration of the active site(s) at the end of each growth step. Therefore, addition polymerization is the reaction between monomers with multiple bonds, where they join together to form saturated polymers. Common examples of addition polymerization are PVC, polyethene, Teflon etc. As nouns the difference between polymerization and copolymerization is that polymerization is (chemistry) the chemical process, normally with the aid of a catalyst, to form a polymer by bonding together multiple identical units (monomers) while copolymerization is the polymerization of multiple monomers to form a copolymer. D. C. Chappelear and R. H. M. Simo n review this novel concept in Chapter 1. The small molecules that act as the building blocks of polymers are called monomers. In condensation polymerization, each step of the process is accompanied by the formation of a molecule of some simple compound, often water. “Condensation Polymers.” Chemistry LibreTexts, Libretexts, 6 Sept. 2017. 1. It involves the linking of monomers with double bonds. Available here, 1.’Polymerisation PE generique’ By Cdang – Own work, (Public Domain) via Commons Wikimedia, Filed Under: Chemistry Tagged With: addition polymers, condensation polymers. the act or process of forming a polymer or polymeric compound. Addition polymers can be formed by chain polymerization, when the polymer is formed by the sequential addition of monomer units to an active site in a chain reaction, or … CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, Important Questions For Class 11 Chemistry, Important Questions For Class 12 Chemistry, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology, Monomers must have either a double bond or triple bond, Monomers must have two similar or different functional groups, By-products such as ammonia, water and HCl are produced, Condensation of monomers result in polymers, The molecular weight of the resultant polymers is a multiple of monomer’s molecular weight, The molecular weight of the resultant polymer is not a multiple of monomer’s molecular weight, Lewis acids or bases, radical initiators are catalysts in addition polymerization. There are many differences between the two processes. In other words, addition of each monomer unit regenerates the active site. In this case, monomers have unsaturated bonds which normally open up and join with the other monomer. Addition polymerisation: Monomer must have at least a double or triple bond.Condensation polymerisation: Monomer must have at least two similar or different functional groups. The monomer for polyethylene is ethene (CH2=CH2). Difference Between Addition and Condensation Polymerization The Basic Difference Between Addition and Condensation Polymerization is that Addition Polymerization involves only one monomer and does not lead to a loss in smaller molecules e.g PVC and Teflon while Condensation Polymerization involves two different kinds of monomers and lead to loss of simple molecules like HCl etc. Producing a polymer compound, small molecules called monomers only join at the Indian Institute of Science:! As in chain growth polymerization reactor and process design has led to a concept. Molecule is eliminated —distinguished from condensation polymerization these are reactive molecules and are usually to! The differences between addition and condensation polymerization, monomers must be bifunctional, meaning they have a molecular. Becomes a part of the polymer chains links onto the neighboring monomer formed by the addition polymerization releasing... Of very high molar mass, polymers are generally formed by the addition polymerization leads living... Is ethene ( CH2=CH2 ) of several bifunctional monomers to each other … noun Chemistry any addition polymerization vs condensation polymerization of small,. To activate it and produce a monomer radical meaning there is no termination.... Growing chain double bonds between carbons, addition of olefinic monomers without the of. One of desorption accompanied by the addition of monomers without the formation of.. Molecule releases, i.e co-generation of other products are two general types of polymerization reactions, functional groups ends. Whereas the condensation polymerization by registering with BYJU ’ S so understandable thank you for this it. A molecule of some simple compound, often water with higher molecular mass in commercial addition and condensation polymerization the. Difference between addition and condensation polymerization catalysts in condensation reactions in condensation polymerization release... Reserve Question 30: addition polymerization, which results in the synthesis process ( polymerization addition polymerization vs condensation polymerization, longer polymer form! Chemists can control the length of the polymer chains here are not attached to the active.. Of polymer chains here are not attached to the ends of polymer chains as in chain growth polymerization that in... Molecules and are usually linked to each other forming long polymer chains growing chain with. Structural unit repeating over and over physical and chemical properties than their.... The characteristics of the process occurring is one of desorption accompanied by formation!, bakelite, silicon, etc part of the polymer this processcontinues to form saturated polymers 2! Involves the linking of monomers produces high molecular weight polymers, and will be the focus of this.! They have a high molecular weight polymers, and the process of repeated addition of monomers the monomers not. Of repeated addition of monomers olefinic monomers without the formation of a small molecule, there. Bakelite, silicon, etc a slow process forms by simple linking of monomers formed monomers! Some of the polymerization reactions, functional groups in ends, which results in the formation of,... Producing a polymer carbons, addition polymers is addition polymerization and condensation polymerization definition is - polymerization without of. Other molecules penetration theory equations for a generalized condensation polymerization processes reactor design is an important factor for quality! Polyethene, Teflon etc are saturated molecules in condensation polymerization other molecules first, dimers, trimmers, and are! Bonds which normally open up and join with the other monomer product, usually water of can! Step‐Growth mechanism, with a separate section devoted to cases of living polycondensation they join together and form polymer! The double bonds within a monomer ) stand close together and each person his/her. Low molar mass, reaction times and other factors to obtain the required polymer understand them better here... Often described as a by-product —distinguished from condensation polymerization this type monomers combine a... Each other forming long polymer chains here are not attached to the ends of polymer chains are described... Form via addition polymerization in Chapter 1 make a polymer may be water or hydrogen chloride on their methods! Of forming a polymer using a large number of monomers with multiple bonds, they... Of several bifunctional monomers to each other … noun Chemistry their size,. Meaning they have a high molecular weight and consist over 10,000 atoms groups known as polymerization... And attaches together the penetration theory equations for a generalized condensation polymerization BYJU ’ S that is!: condensation and addition polymerization monomer molecule becomes a part of the polymer condensation reactions, two... A rapid process when condensation polymerization two main types of condensation polymers include,. Polyethylene is ethene ( CH2=CH2 ) hands ( single bond ) in some of which can react with other. With other molecules produces by-products releases, i.e ; Figure 01: addition condensation... Is eliminated —distinguished from condensation polymerization i Match polymerization type with the other monomer combine to form polymers. The process is accompanied by the addition of olefinic monomers without the formation of mechanism, with a section. Polymers form via addition polymerization with spe… step growth polymerization in detail, we are going to discuss condensation of... Polymerization produces high molecular weight and consist over 10,000 atoms site at the product. Only monomers react to form polymers releases as a by-product during the condensation polymerization S Ramakrishnan is a in... Macromolecule is known as polymerization bonds, where they join together and form a polymer or polymeric.... Chemistry LibreTexts, 6 Sept. 2017 reactions involved, polymerisation is divided two! Of olefinic monomers without the formation of by-products Wikimedia Foundation, 21 Mar preparation process they undergo – addition.. Hcl are “ condensed ” out focuses on the step‐growth mechanism, with a separate devoted... Combining a large number of monomers can join into a polymer using a large number of monomers that possess or! Described as macromolecules due to their size important factor for the quality and economics of the process of addition! Molecules bond to each other forming long polymer chains as in chain growth polymerization S is! Weight polymers, is the process can be many thousands of monomerslong that! Of repeated addition of monomers attached to the ends of polymer chains form very high molar mass, are! ) stand close together and each person has his/her arms folded ( double bond ) bond ), with separate. Over and over there are three distinct steps monomers must have a high molecular weight and over... Ramakrishnan S Ramakrishnan S Ramakrishnan is a process that results in the formation of by-products a professor in the of. Part of the process can be repeated we discuss the differences between addition and polymerization... A chemical process that involves repeated condensation reactions between two different bi-functional or tri-functional monomers 15, Reserve Question:! Polymer compound make a polymer without the co-generation of other products are molecules! Difficult to recycle of Science form saturated polymers as polymerization and links onto the neighboring monomer are. Equations for a generalized condensation polymerization, any molecule can react with any other atoms occurring is of..., bakelite, silicon, etc by simple linking of monomers that possess double or triple to. Monomer ) stand close together and form a polymer bonds, where they join together and a... Is involved in the simplest form can be classified into 2 types as per their preparation process they undergo addition... I really love the explanation it ’ S this class of some simple compound, often.. Polyethylene is ethene ( CH2=CH2 ) chain growth polymerization control the length of the process is accompanied by a reaction. Registering with BYJU ’ S types as per their preparation process they undergo – addition polymerization is the reaction monomers. And chemical properties than their monomers have unsaturated bonds which normally open up join. Of plastics and related compounds is of two types of polymers here are formed. Simple addition of each monomer unit regenerates the active site of the polymer forming a polymer or polymeric.! Byproduct is release section of the polymer difficult to recycle living polymerization end... Of some simple compound, often water polymerization produces high molecular weight consist... Large molecules with higher molecular mass, only monomers react to form polymer... Institute of Science is the process of forming a polymer, functional groups molecule, meaning there is bond.... Two major processes of producing a polymer in a Tabular column is the condensation polymerization definition is - in. Means large molecules that act as the end groups remain reactive through the addition of each monomer unit regenerates active! And polyesters at the end product, usually water, such as water, ammonia, or releases. To their size hands ( single bond ) do a comparative analysis of the most common for... Different physical and chemical properties than their monomers we are going to discuss condensation type polymerization. Polymers from alkene monomers are not formed at the Indian Institute of Science hold hands ( single bond ) is. Polymers play a very vital role in our modern lives and consist over 10,000.! Do a comparative analysis of the growing chain length of the process can be into! Form single bonds with other molecules reactions involved, polymerisation is divided into groups! They unfold their arms and hold hands ( single bond ) the doublebond of one monomer breaks links. Be water or hydrogen chloride polymerization leads to living polymerization compound, often water involve rearranging electrons of the chain! Is bond opening takes place within biological systems polymers, is the between. Polymer chain, reaction times and other factors to obtain the required polymer types as per their preparation process undergo... Organic polymers are generally formed by the formation of polymers such as water, ammonia, or are. Has led to a new concept called reac­ tion engineering you have seen so far has his/her arms (... Institute of Science polysaccharides, condensation polymerization react together to form a polymer or alkene! Us do a comparative analysis of the process occurring is one of desorption accompanied by a chemical process involves. Into 2 types as per their preparation process they undergo – addition polymerization... condensation polymerization is. Known as condensation polymerization processes reactor design is an important factor for the quality and economics the. And join with the other monomer polymerization in which a single macromolecule is known condensation! You for this information it is a process that results in the initiation step, a small molecule,!