PPT - Polymerization Process Chemical Engineering Notes | EduRev

Chemical Technology

Chemical Engineering : PPT - Polymerization Process Chemical Engineering Notes | EduRev

 Page 1


1
Synthetic and Biological Polymers
Polymers: Macromolecules formed by the covalent
attachment of a set of small molecules termed monomers.
Polymers are large molecules made up of repeating units
called Monomers.The synthetic process is Polymerization.
C H
2
CH
2
CH
2
CH
2
O
CH
2
CH
2
O
Monomer
Polymerization
Polymer
n
Monomer
Polymerization
Polymer
n
Page 2


1
Synthetic and Biological Polymers
Polymers: Macromolecules formed by the covalent
attachment of a set of small molecules termed monomers.
Polymers are large molecules made up of repeating units
called Monomers.The synthetic process is Polymerization.
C H
2
CH
2
CH
2
CH
2
O
CH
2
CH
2
O
Monomer
Polymerization
Polymer
n
Monomer
Polymerization
Polymer
n
2
Polymers are classified as:
(1) Man-made or synthetic polymers that are synthesized
in the laboratory; (nylon, poly-ethylene, poly-styrene)
(2) Biological polymer that are found in nature. Biological
polymers: DNA, proteins, carbohydrates
Homopolymer: A polymer prepared from a single monomer
Copolymer: If two or more different monomers are employed.
Page 3


1
Synthetic and Biological Polymers
Polymers: Macromolecules formed by the covalent
attachment of a set of small molecules termed monomers.
Polymers are large molecules made up of repeating units
called Monomers.The synthetic process is Polymerization.
C H
2
CH
2
CH
2
CH
2
O
CH
2
CH
2
O
Monomer
Polymerization
Polymer
n
Monomer
Polymerization
Polymer
n
2
Polymers are classified as:
(1) Man-made or synthetic polymers that are synthesized
in the laboratory; (nylon, poly-ethylene, poly-styrene)
(2) Biological polymer that are found in nature. Biological
polymers: DNA, proteins, carbohydrates
Homopolymer: A polymer prepared from a single monomer
Copolymer: If two or more different monomers are employed.
3
Homopolymer & Copolymer
Page 4


1
Synthetic and Biological Polymers
Polymers: Macromolecules formed by the covalent
attachment of a set of small molecules termed monomers.
Polymers are large molecules made up of repeating units
called Monomers.The synthetic process is Polymerization.
C H
2
CH
2
CH
2
CH
2
O
CH
2
CH
2
O
Monomer
Polymerization
Polymer
n
Monomer
Polymerization
Polymer
n
2
Polymers are classified as:
(1) Man-made or synthetic polymers that are synthesized
in the laboratory; (nylon, poly-ethylene, poly-styrene)
(2) Biological polymer that are found in nature. Biological
polymers: DNA, proteins, carbohydrates
Homopolymer: A polymer prepared from a single monomer
Copolymer: If two or more different monomers are employed.
3
Homopolymer & Copolymer
4
Page 5


1
Synthetic and Biological Polymers
Polymers: Macromolecules formed by the covalent
attachment of a set of small molecules termed monomers.
Polymers are large molecules made up of repeating units
called Monomers.The synthetic process is Polymerization.
C H
2
CH
2
CH
2
CH
2
O
CH
2
CH
2
O
Monomer
Polymerization
Polymer
n
Monomer
Polymerization
Polymer
n
2
Polymers are classified as:
(1) Man-made or synthetic polymers that are synthesized
in the laboratory; (nylon, poly-ethylene, poly-styrene)
(2) Biological polymer that are found in nature. Biological
polymers: DNA, proteins, carbohydrates
Homopolymer: A polymer prepared from a single monomer
Copolymer: If two or more different monomers are employed.
3
Homopolymer & Copolymer
4 5
Polymerization
The chemical reaction in which high molecular mass
molecules are formed from monomers.
There are two basic types of polymerization
1) Chain-reaction (or addition) polymerization
2) Step-reaction (or condensation) polymerization
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