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Unsaturated monomers are used in addition polymerization because they contain carbon-carbon double bonds that can readily undergo addition reactions to form long polymer chains. This allows for the efficient production of high molecular weight polymers without the formation of byproducts. Additionally, unsaturated monomers grant flexibility to control the properties of the resulting polymer by modifying the monomer structure.
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What is polymer?
nothing
What is the name of the reaction when 2 monomers are split?
polymerisation. 2 monomers split to forn a polymer
What mean polymerise?
Polymers are chemical substances which are made up from smaller units, called monomers. The reaction of joining these monomers to form this larger unit is called polymerisation. (monomers polymerise into polymers). The subunits, or polymers, are typical of the chemical substances. For example, the monomers of proteins are amino acids, monomers of carbohydrates are monosaccharides, monomers of nucleic acids are nucleotides. The reaction itself, by what these monomers are joining together, is a dehydration or condensation reaction.
What is a addition polymersation?
A polymer formed by the chain addition of unsaturated monomer molecules, such as olefins, with one another without the formation of a by-product as water or without the loss of any atom or molecule is called as an Addition Polymer.
What do condensation polymers and addition polymers have in common?
Both condensation polymers and addition polymers are formed through polymerization, a process in which monomers are combined to form larger polymer chains. Additionally, both types of polymers can have high molecular weights and are used in a wide variety of applications.
What happens in polymerisation?
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
What is polymer?
nothing
What is the name of the reaction when 2 monomers are split?
polymerisation. 2 monomers split to forn a polymer
What is the name of the chemical reaction which combines monomers to make polymers?
Simply - polymerization. However, this is usually addition polymerization but not always. Nylon is formed by condensation polymerization and the polymers used to make waterbased latex paints is usually called emulsion polymerization.
What mean polymerise?
Polymers are chemical substances which are made up from smaller units, called monomers. The reaction of joining these monomers to form this larger unit is called polymerisation. (monomers polymerise into polymers). The subunits, or polymers, are typical of the chemical substances. For example, the monomers of proteins are amino acids, monomers of carbohydrates are monosaccharides, monomers of nucleic acids are nucleotides. The reaction itself, by what these monomers are joining together, is a dehydration or condensation reaction.
What technology is used in the manufacturing of polythene?
Polymerisation
What is a addition polymersation?
A polymer formed by the chain addition of unsaturated monomer molecules, such as olefins, with one another without the formation of a by-product as water or without the loss of any atom or molecule is called as an Addition Polymer.
What are the differences between cracking and polymerisation?
Cracking is a process in which larger hydrocarbon molecules are broken down into smaller ones by heat and pressure, often used to produce gasoline. Polymerization is a process in which smaller molecules, called monomers, are chemically joined together to form larger molecules called polymers, used to create plastics and synthetic materials. In summary, cracking breaks molecules apart while polymerization joins molecules together.
What do condensation polymers and addition polymers have in common?
Both condensation polymers and addition polymers are formed through polymerization, a process in which monomers are combined to form larger polymer chains. Additionally, both types of polymers can have high molecular weights and are used in a wide variety of applications.
What test is used to show that ethene is unsaturated?
Bromine water test is used to show that ethene is unsaturated. In the presence of ethene, the red-brown color of bromine water disappears due to addition reaction with ethene, indicating its unsaturation.
How are polymers broken-down to monomers?
For condensation polymers ; hydrolysis, addition of water breaks down the polymer. For Addition polymers ; halide free radicals will do the job. However, halide free radicals are NOT in the 'free' environmental. Halide free radicals are expensive and react very quickly with anything. UV. light (sunlight) will break down addition polymers. but it is a very slow process.
What are the similarities between addition polymerization and condensation polymerization?
Polymerization describes the formation of of large molecules (polymers) with repeating structure from smaller molecules (monomers) . The word polymer comes from Greek words meaning many (poly-) and parts (-mer). Many of the resulting molecules are plastics, so polymer is occasionally used in place of the word plastic, though this is not an accurate usage. Polymerization is an all-encompassing term that describes formation of polymers by any method.There are two main types of polymerization; addition polymerization and condensation polymerization. Addition polymerization creates larger molecules by opening up double bonds on the smaller molecules (monomers). These opened-up bonds react with parts of other monomers (single part) to form dimers (double part). This reaction can repeat to add another molecule to for a trimer (three part). This continues until you obtain the right size molecule and you stop the reaction. Addition polymerixation can occur using a single type of monomer. There are no by products of the reaction except the longer chain molecules (polymers).In condensation polymerization, two monomers of different types are used. They have different types of reactive (or functional) groups on them. A reaction between monomer A and monomer B results in a dimer, plus another small molecule (often water) that is not part of the polymer. To create long polymers the monomers must have reactive groups on both ends or a chain cannot be formed.Polymerization is an all-encompassing term for creating polymers by any method. Condensation Polymerization is a term denoting a specific type of reaction for creating polymers.
