26694

26694



In polymer chemistry, polymerization is a process of reacting monomer molecules together in a Chemical reaction to form three-dimensional networks or polymer chains


CH I

C

I

H


C>    O

\\    *7

n C-R-C HO7    bH


-C-CH--

Polypropylene

poly(l-methylethylene)


O o

n H2N-R'-NH2 -- —|—Ć-R—C—N-R'-N—t

H H


Laboratory synthetic methods are generally divided into two categories, condensation polymerization (step-growth polymerization) and addition polymerization

polyaddition or Chain growth polymerization, is a polymerisation technique where unsaturated monomer molecules add on to a growing polymer Chain one at a time

J n

k /Ch2x /ch2x ch2 ch2 ch2 ch2 ycur ch ch ch ch c \t

poIyiTKłłizŁUojn

polystyrene


A molecule of water is given off and    c

the nylon is formed

“’0 styrene



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