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What are the conditions for condensation polymerisation?
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.
How does condensation polymerization takes place?
Condensation polymerization occurs when monomers with two or more functional groups, such as -OH or -COOH, react to form a polymer chain along with the release of a small molecule like water or HCl. This reaction involves the formation of covalent bonds between monomers through condensation reactions, leading to the growth of the polymer chain. The process continues until all the monomers have reacted or the polymer reaches a desired length.
Why can 6-aminohexanoic acid undergo a polymerization reaction with itself?
6-aminohexanoic acid contains two functional groups, an amine group and a carboxylic acid group, that can react with each other. When these functional groups react, they form amide linkages, resulting in the formation of a polymer through a process known as polyamide synthesis.
Which pair of functional groups are involved in the reaction of amino acids to give peptides?
The functional groups involved in the reaction of amino acids to give peptides are the amine group (-NH2) and the carboxyl group (-COOH).
Why aldol condensation is called condensation reaction?
All condensation reactions proceed with formation of water (H2O). If you look at the reaction mechanism for Aldol condensation, you will observe that water is formed as an end-product of the reaction.
What are the conditions for condensation polymerisation?
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.
How does condensation polymerization takes place?
Condensation polymerization occurs when monomers with two or more functional groups, such as -OH or -COOH, react to form a polymer chain along with the release of a small molecule like water or HCl. This reaction involves the formation of covalent bonds between monomers through condensation reactions, leading to the growth of the polymer chain. The process continues until all the monomers have reacted or the polymer reaches a desired length.
What are the two functional groups that react to form nylon?
The two functional groups that react to form nylon are an amine group (-NH2) and a carboxylic acid group (-COOH). These groups undergo a condensation reaction to form an amide bond, resulting in the polymer known as nylon.
Why can 6-aminohexanoic acid undergo a polymerization reaction with itself?
6-aminohexanoic acid contains two functional groups, an amine group and a carboxylic acid group, that can react with each other. When these functional groups react, they form amide linkages, resulting in the formation of a polymer through a process known as polyamide synthesis.
Is the monomer of polyester ester?
Yes, the monomer of polyester is typically an ester. Polyesters are formed through a condensation reaction between a diol (a molecule with two alcohol groups) and a dicarboxylic acid (a molecule with two carboxylic acid groups). The reaction results in the formation of ester bonds, linking the monomers together to create the polyester polymer.
Which pair of functional groups are involved in the reaction of amino acids to give peptides?
The functional groups involved in the reaction of amino acids to give peptides are the amine group (-NH2) and the carboxyl group (-COOH).
Why aldol condensation is called condensation reaction?
All condensation reactions proceed with formation of water (H2O). If you look at the reaction mechanism for Aldol condensation, you will observe that water is formed as an end-product of the reaction.
What is the functional group present in triglyceride molecule?
The functional group present in a triglyceride molecule is the ester group. Triglycerides are composed of a glycerol molecule bonded to three fatty acid molecules through ester linkages. This functional group is formed through a condensation reaction between the hydroxyl group of glycerol and the carboxyl group of the fatty acids.
Condensation reactions typically produce?
Condensation reactions typically produce a larger molecule and a small molecule as a byproduct, such as water or ammonia. These reactions involve the loss of a small molecule to form a covalent bond between two molecules or functional groups.
What is Semitelechelic polymer?
The term "semitelechelic" in reference to polymers may be a bit misleading. A telechelic polymer is one that has a reactive functional group. Most polymers have reactive groups on a least one end. These are monotelechelic. Linear polymers with reactive groups on both ends are ditelechelic. Branched or star-shaped polymers may be tri-, tetra-, penta-, et cetera telechelic. As I understand the nomenclature (professionally, I am a scientist working with polyethylene glycol), "semitelechelic polymer" is usually used to refer to a monotelechelic polymer.
What is self catalyzed reaction in polymerization?
A self-catalyzed reaction in polymerization refers to a process where the polymerization reaction is driven by the polymer itself, without the need for an external catalyst. In this type of reaction, functional groups present in the growing polymer chains can facilitate the continuation of the polymerization, often through processes like chain transfer or activation. This can lead to more efficient and potentially faster polymerization, as the reaction conditions are simplified. Self-catalyzed reactions are often observed in certain types of step-growth polymerizations or in the formation of specific types of polymers.
How can functional groups be introduced into organic molecules?
Functional groups can be introduced into organic molecules through various chemical reactions, such as substitution, addition, or oxidation-reduction reactions. For instance, a nucleophilic substitution reaction can replace a hydrogen atom with a halogen, introducing a halogen functional group. Additionally, reactions like esterification can introduce ester functional groups by reacting carboxylic acids with alcohols. Overall, the choice of reaction depends on the desired functional group and the starting material.
