Polymerisation
Addition Polymerisation
The joining of two or more simple molecules or monomers, to form a new compound, a polymer which has the same empirical formula.
Mechanism of the Polymerisation of Ethene
Thousands of ethene molecules join up to form a type of poly(ethene) known as low density polythene.
[CH2=CH2]n [ CH2-CH2 ]n number of joining molecules can vary from 200-2000
fig 1
The mechanism is known as a free radical reaction as it …
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…monomers’ methyl groups along the chain(5)
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**Bibliography**
References
(1) http://www.chemguide.co.uk/mechanisms/freerad/polym.html
(2)Chemistry (Salters), Open Book Paper, pg 4
Sources
Salters Advanced Chemistry, Chemical Ideas, First Edition
Chemistry (Salters) Open Book Paper
Advanced Chemistry, Phillip Matthews, Cambridge Press
Organometallic Polymers, Ronald Archer, Wiley
Introduction to Polymers, R Young, Cambridge Press
http://www.psrc.usm.edu/macrog/pe.htm
http://www.psrc.usm.edu/macrog/ziegler.htm
www.chemguide.co.uk
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