condensation polymerisation.ppt
DESCRIPTION
condensation polymerisation.pptTRANSCRIPT
Condensation polymerisationIn this type of polymerisation there is an elimination of a small molecule.
Example 1:- The two different monomers used to make Nylon are:-
hexanedioic acid
O
O
H
C
H
H
CC C
H
C
H
H OH
H
C O HH
O
O
C C
O
O HH
Simplified form of drawing the monomer
OR
O
O
C C
O
O HH (CH2)4
OR
HOOC(CH2)4COOH
1, 6 diaminohexane
H
H
C
H
CN C
H
H
C
H
H
H
C
H H
H
H
H
C N H
H
H
H
H
N N H
H
Simplified form of drawing the monomer
H
H
N N H
H
(CH2)6
OROR
H2N(CH2)6NH2
Formation of Nylon
O HOH
O
C C
O
H H
H
N N
H
hexanedioic acid 1, 6 diaminohexane
O
C C
O
(CH2)4
H
N N
H
(CH2)6OR
Nylon
O
C C
O
H
N N
H
O
C C
O
H
N N
H
repeating unit of the polymer
n Amide linkage –CONH–
O
C C
O
(CH2)4
H
N N
H
(CH2)6
O
C C
O
(CH2)4
H
N N
H
(CH2)6
Formation of Terylene
HH
Ethane-1,2-diol
O OOH C C
OO
HO
Benzene-1,4-dicarboxylic acid
Terylene
O
C C
O
O O
O
C C
OO O
repeating unit of the polymer
nEster linkage, –COO–
Formation of Protein
O HH C
O
H
N H
O
CN
H
O H
Amino acid Amino acid
Protein
O
CC
O
H
N N
H
O
C C
O
H
NN
H
repeating unit of the polymer
n Amide linkage –CONH–
Formation of Carbohydrates
H O O H
Glucose Glucose
H O O H
Carbohydrate
repeating unit of the polymer
n
O O O O
Formation of fatsGlycerol Fatty acids
H
H
O
O
O H
C
O
OH
C
O
OH
C
O
OH
Fat molecule or Triester
Fat
O C
O
O C
O
O C
O
Ester linkage
Nylon & ProteinO
C C
O
H
N N
H
O
C C
O
H
N N
H
repeating unit of the polymer
n nylon
O
CC
O
H
N N
H
O
C C
O
H
NN
H
repeating unit of the polymer
n protein
Terylene & FatO
C C
O
O O
O
C C
OO O
repeating unit of the polymer
n Terylene or Polyester
O C
O
O C
O
O C
O
Fat or Triester