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SCIENCE FORM 5
CHAPTER 7: SYNTHETIC
MATERIALS IN INDUSTRY
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7.1 SYNTHETIC POLYMERS
Synthetic polymers are man-made
polymers.
Synthetic polymers are produced
throuh polymerisation.
PolymerisationDepolymerisation
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7.1 SYNTHETIC POLYMERS
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7.1 SYNTHETIC POLYMERS
Synthetic ruer !" a# e$a%p&e o'
synthetic polymer.
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7.1 SYNTHETIC POLYMERS
!ype o" syntheticruer Characteristics #ses
Neopre#e Ca# (!th"ta#d heatNot ea"!&)
'&a%%a*&eChe%!ca&+ o!& a#d (ater
re"!"ta#t
,et"u!t"+ e&ectr!ca&!#"u&at!o#"+ ru**er ho"eo' the
-u#"e# *ur#er
St)re#e*utad!e#e Ha" the "a%echaracter!"t!c" a"
#atura&ru**erCa# *e /u&ca#!"ed ea"!&)
So&e" o' "hoe" a#d t)re"
-ut)& ru**er A!r rete#t!o#
,eather a#d o0o#ere"!"ta#t!*rat!o# da%pe#!#Sta*&e
T)re !##er tu*e"+
phar%aceut!ca& "topper"
Th!o2o& Re"!"ta#t to petro&eu%+h)drocar*o#"+
a&coho&"a#d (ater
Petro& ho"e+ ta#2 &!#!#"u"ed to "tore petro&
or"o&/e#t"
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7.1 SYNTHETIC POLYMERS
,et"u!t %ade 'ro%#eo re#e
T)re %ade 'ro% "t)re#e*utad!e#e
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7.1 SYNTHETIC POLYMERS
T)re !##er tu*e" %ade'ro% *ut & ru**er
Petro& ho"e %ade 'ro%th!o2o&
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7.3 PLASTICS
Plastics are synthetic polymers that ca#
*e easily moulded *) heator pressure.
Plastics are %a!#&) %ade up o'caron
a#d hydro$en. Other elements "uch a"
o%y$en& "luorine a#dchlorine are a&"o
'ou#d !# p&a"t!c".
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7.3 PLASTICS
!ype o" plastic #sePo&)ethe#e P&a"t!c *a"+ to)"+
"&!# '!&%Po&)/!#)& ch&or!de 4PC5 P!pe"+
e&ectr!ca& (!re !#"u&ator"+ 'ur#!ture"+
cred!t card"
Po&)"t)re#e D!"po"a*&e cup" a#d p&ate"+ pac2a!#
%ater!a&Po&)prope#e -ott&e"+ rope"+ carpet"
Per"pe$ Su*"t!tute 'or &a""
N)&o# Stoc2!#"+ c&oth!#+ rope"+ '!"h!# &!#e"
a#dtooth*ru"h *r!"t&e"
Te'&o# Coat!# 'or #o#"t!c2 pa#"
-a2e&!te 6!tche#(are a#d e&ectr!ca& product"
Epo$) po&)%er Adhe"!/e"
Ter)&e#e 4Po&)e"ter5 C&oth!#+ "a!&" o' a *oat+
"a'et) *e&t"
Me&a%!#e -o(&"+ p&ate"
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7.3 PLASTICS
P&a"t!c *a" %ade 'ro%o& ethe#e
P!pe" %ade 'ro% PC
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7.3 PLASTICS
D!"po"a*&e cup" %ade'ro% o& "t re#e
-ott&e %ade 'ro%o& ro e#e
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7.3 PLASTICS
Per"pe$ a" "u*"t!tute 'or&a""
Tooth*ru"h *r!"t&e"%ade 'ro% # &o#
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7.3 PLASTICS
6!tche#(are %ade 'ro%*a2e&!te
Adhe"!/e" %ade 'ro%e o$ o& %er
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7.3 PLASTICS
C&oth!# %ade 'ro%ter &e#e
-o(&" %ade 'ro%%e&a%!#e
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7.3 PLASTICS
P&a"t!c"Ther%op&a"t!c"Ca# *e heated+ %e&ted
a#dE$a%p&e":Ther%o"et"Ca# *e heated+ %e&ted
a#dE$a%p&e":
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7.3 PLASTICS
Po&)%er cha!#" !# ther%op&a"t!c" a#d ther%o"et"
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7.3 PLASTICS
Characteristics !hermoplastics !hermosetsMe&t!# po!#t Lo(
H!h
Ca# *e re%ou&ded Ye" No
Ha" cro"" &!#2" *et(ee#po&)%er cha!#"
No Ye"
Hard#e"" So'ter Harder
Heat re"!"ta#ce Lo( H!h
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7.3 PLASTICS
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7.3 PLASTICS
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7.3 PLASTICS
-!oderada*&e p&a"t!c
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7. PRACTISIN8 RESPONSI-LE ATTITUDES IN THE
DISPOSAL O9 SYNTHETIC POLYMERS
Proper disposal o' synthetic polymers!" #eeded to %a!#ta!# a
clean
en'ironment.
The proper disposal o' syntheticpolymers "uch a" p&a"t!c"
(!&& pre'ent
"lash "loods& air a#d (ater pollution.
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7. PRACTISIN8 RESPONSI-LE ATTITUDES IN THE
DISPOSAL O9 SYNTHETIC POLYMERS
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7. PRACTISIN8 RESPONSI-LE ATTITUDES IN THE
DISPOSAL O9 SYNTHETIC POLYMERS
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CHAPTER 7: SYNTHETIC MATERIALS IN INDUSTRY
UI;
1. ,h!ch t)pe o' "u*"ta#ce !" a ")#thet!cpo&)%er
