Download - POLYMERS_2.ppt
-
7/27/2019 POLYMERS_2.ppt
1/52
PLASTIC FIBER ELASTOMER
-
7/27/2019 POLYMERS_2.ppt
2/52
objectives By the end of the class, students
should be able
To explain the importance of proper
disposal of synthetic polymersTo suggest ways to dispose of synthetic
polymers in order to preserve theenvironment
To practice good habits in disposing ofsynthetic polymers
-
7/27/2019 POLYMERS_2.ppt
3/52
What is Polymer ?!
o Food?
o Bag?
o Animal?
o Plant?
o Cloth?
o Or what?
-
7/27/2019 POLYMERS_2.ppt
4/52
POLYMERS
large molecules made up of many
smaller and identical repeating units
-> monomers
These repeating units joins together by
covalent bonds
-
7/27/2019 POLYMERS_2.ppt
5/52
POLYMERS
The chemical process that join the
monomers together
- POLYMERISATION
Polymerisation can be divided into 2
types :addition polymerisation
condensation polymerisation
-
7/27/2019 POLYMERS_2.ppt
6/52
POLYMERS
Polymers can be divided into 2 types :
naturally occurring polymers
synthetic polymers
-
7/27/2019 POLYMERS_2.ppt
7/52
What the
different
between natural
polymers and
syntheticpolymers?
-
7/27/2019 POLYMERS_2.ppt
8/52
naturally occurring
polymers Polymers that exist in plants or animals
Types of naturally occurring polymers
protein : muscles
carbohydrates : cellulose
natural rubber : latex
-
7/27/2019 POLYMERS_2.ppt
9/52
synthetic polymers
Polymers made in industry from
chemical substances
Scientists are able to copy structures
of natural polymers to produce
synthetic polymers trough scientificresearch
-
7/27/2019 POLYMERS_2.ppt
10/52
synthetic polymers
many of raw materials for syntheticpolymers are obtain from
-> petroleum types of synthetic polymers
plastics
fibers elastomers
-
7/27/2019 POLYMERS_2.ppt
11/52
Plasticis a synthetic
polymer.
Why?!
-
7/27/2019 POLYMERS_2.ppt
12/52
plastics
composed of polymers of carbonand
hydrogenalone or with oxygen,
nitrogen, chlorineor sulfurin thebackbone
http://en.wikipedia.org/wiki/Carbonhttp://en.wikipedia.org/wiki/Hydrogenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Nitrogenhttp://en.wikipedia.org/wiki/Chlorinehttp://en.wikipedia.org/wiki/Sulfurhttp://en.wikipedia.org/wiki/Sulfurhttp://en.wikipedia.org/wiki/Chlorinehttp://en.wikipedia.org/wiki/Nitrogenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Hydrogenhttp://en.wikipedia.org/wiki/Carbon -
7/27/2019 POLYMERS_2.ppt
13/52
plastics
Properties of plastics :-
Light
strong
malleable
inert to chemical
insulators of electricityand heat
http://upload.wikimedia.org/wikipedia/en/b/b2/Plastic_household_items.jpg -
7/27/2019 POLYMERS_2.ppt
14/52
plastics
example of plastics are :-
polythene (polyethylene)
polyvinylchloride (PVC)
polypropene (polypropylene)
polystyrene
PerspexBakelite
-
7/27/2019 POLYMERS_2.ppt
15/52
fibers
long chain polymers that withstand
stretching
example of fibers are :-
polyamide nylon,
terylene
phenol-formaldehyde (PF)
acrylicpolymers
http://en.wikipedia.org/wiki/Nylonhttp://en.wikipedia.org/wiki/Acrylic_fiberhttp://en.wikipedia.org/wiki/Acrylic_fiberhttp://en.wikipedia.org/wiki/Nylon -
7/27/2019 POLYMERS_2.ppt
16/52
elastomers
polymer that can regain its originalshape after being stretched or pressed
example of elastomers are :-Styrene-butadiene rubber(SBR)
Polyisoprene(IR)
Polybutadiene(BR)
Chloroprene Rubber (CR)
http://en.wikipedia.org/wiki/Polyisoprenehttp://en.wikipedia.org/wiki/Polybutadienehttp://en.wikipedia.org/wiki/Polybutadienehttp://en.wikipedia.org/wiki/Polyisoprene -
7/27/2019 POLYMERS_2.ppt
17/52
Why ????? Strong Inert to chemical
attacks Easily moulded or
shaped and be
coloured
Cheap
Able to resist
corrosion Special properties
can be made
according to
specific needs
-
7/27/2019 POLYMERS_2.ppt
18/52
What is the impacts of
synthetic polymers
towardshuman and
environment?
-
7/27/2019 POLYMERS_2.ppt
19/52
-
7/27/2019 POLYMERS_2.ppt
20/52
-
7/27/2019 POLYMERS_2.ppt
21/52
Environmental
pollution !!!
Most of the polymers are non-
biogradeable
Cannot be decomposed by bacteria /
decomposer
So caused disposal problem when
polymer not decay
-
7/27/2019 POLYMERS_2.ppt
22/52
-
7/27/2019 POLYMERS_2.ppt
23/52
Environmental
pollution !!!
Plastics items discarded
Blockage of drainage systems & rivers
So caused flash floods
-
7/27/2019 POLYMERS_2.ppt
24/52
-
7/27/2019 POLYMERS_2.ppt
25/52
Environmental
pollution !!!
Polymer containers not buried in the
ground
Become breeding ground for
mosquitoes
So caused diseases such as dengue
-
7/27/2019 POLYMERS_2.ppt
26/52
-
7/27/2019 POLYMERS_2.ppt
27/52
Environmental
pollution !!!
The non-biogradeable polymers
thrown into rivers -> lakes -> seas
Swallowed by aquatic animals
Animals die due to chocking
-
7/27/2019 POLYMERS_2.ppt
28/52
-
7/27/2019 POLYMERS_2.ppt
29/52
Environmental
pollution !!!
Open burning of polymers
Released harmful, poisonous gases
Cause air pollution
Contributes to acid rain problem
-
7/27/2019 POLYMERS_2.ppt
30/52
Thats not the
only impacts ofplastics
-
7/27/2019 POLYMERS_2.ppt
31/52
movie
http://localhost/var/www/apps/conversion/tmp/project%20ku.wmvhttp://localhost/var/www/apps/conversion/tmp/project%20ku.wmv -
7/27/2019 POLYMERS_2.ppt
32/52
Ways to dispose synthetic
polymer properly
PYROLISIS-burn without oxygen
INCINERATION-gas is filtered
INVENT A BIODEGRADEABLE
SYNTHETIC POLYMER
-
7/27/2019 POLYMERS_2.ppt
33/52
CATEGORY Code Example DENSITY
1 PETE Pop bottle
Peanut butter jar
Mylar
1.381.39
2 HDPE Milk jug
Shampoo bottle
0.950.97
3 V Pipes and fittings, pill bottles,
shower curtains, garden hoses,
tile, leather like luggage and
upholstery
1.151.35
4 LDPE Trash bags
Diaper liners
0.920.94
5 PP Indoor/outdoor carpeting,kitchenware
0.90
0.91
6 PS Styrofoam
Pen casing
Clear plastic cups
1.051.07
7 OTHER Toothpaste and cosmetic containers
PRACTISING GOOD HABITS IN
-
7/27/2019 POLYMERS_2.ppt
34/52
PRACTISING GOOD HABITS IN
DISPOSING OF SYNTHETIC
POLYMERS
1. Separate the synthetic polymersfrom other wastes.
2. Recycle
3. Reuse
-
7/27/2019 POLYMERS_2.ppt
35/52
Do not recycle
1. Automotive Product Containers Including: Motor Oil Bottles
Anti-Freeze Containers
Gasoline and Oil Additive Bottles2. Brown Liquor Bottles
3. All Containers Marked With The Following
Codes:
-
7/27/2019 POLYMERS_2.ppt
36/52
ACTIVITY
-
7/27/2019 POLYMERS_2.ppt
37/52
QUIZZES
1) Polymers are made up of many smaller andidentical repeating units called monomers
2) The monomers join together by bondcovalent
3) The chemical process that join the monomers
together is called polymerization
-
7/27/2019 POLYMERS_2.ppt
38/52
QUIZZES
4) 2 types of polymerization:
a.b.
additioncondensation
5) 2 types of polymers:
a.b.
Natural polymerSynthetic polymer
-
7/27/2019 POLYMERS_2.ppt
39/52
QUIZZES
6) Types of synthetic polymers:
Plastics, fibers, elastomers
7) The impacts of synthetic polymers tothe human and environment:
Disposal problems
Blockage of rivers
diseases
Harmful to animals
pollutions
-
7/27/2019 POLYMERS_2.ppt
40/52
Group activity!!
-
7/27/2019 POLYMERS_2.ppt
41/52
Good luck!!!
Create a poster to give the awareness tothe people in order to preserve theenvironment from the syntheticpolymers
You may add the impacts, the way to
dispose synthetic polymers or whateverthat you have learn to make your postermore effective
-
7/27/2019 POLYMERS_2.ppt
42/52
Example.
STOP USING PLASTICS!!!
-
7/27/2019 POLYMERS_2.ppt
43/52
Post Lab Question
1) How do you properly dispose syntheticpolymers to preserve the environment?
Pyrolisis
inceneration
Invent abiodegradeablesynthetic polymers
reuse
recycle
Separate syntheticpolymers fromother wastes
-
7/27/2019 POLYMERS_2.ppt
44/52
2) Why is it important to properly disposeof synthetic polymers?
To reduce the disposal problems
To prevent the diseases caused by syntheticpolymers wastes
To prevent the pollutions
To save the animals from being dead
-
7/27/2019 POLYMERS_2.ppt
45/52
3) State environmental disaster occursdue to improper disposal of plastics.
Flash flood
acid rain
-
7/27/2019 POLYMERS_2.ppt
46/52
4) Do you think the usage ofbiodegradable polymer should be
expanded? Explain.
Yes.
Harmless to environmentCan disposed easily
-
7/27/2019 POLYMERS_2.ppt
47/52
5) What are the factors that hindersfrom using biodegradable polymers?
Costly
Not so strong
-
7/27/2019 POLYMERS_2.ppt
48/52
Conclusion
Proper disposal of synthetic polymersis important in order to preserve the
environment. This is because syntheticpolymers bring lot of bad effects tothe human and environment:
a) blockage of river
b) disease
c) pollution
-
7/27/2019 POLYMERS_2.ppt
49/52
There are ways to dispose syntheticpolymers:
a) pyrolisisb) inceneration
c) use biodegradable synthetic
polymers
-
7/27/2019 POLYMERS_2.ppt
50/52
Good habits in disposing of syntheticpolymers:
a) recycleb) reuse
c) separate synthetic polymers from
the other wastes
-
7/27/2019 POLYMERS_2.ppt
51/52
references
Hoong, L.T., Yi, M. T. & Hasnah Abu Samah. (2006). ScienceForm 5. Asia Galaxy Sdn. Bhd. Kuala Lumpur.
Loh Wai Leng, Tan On Tin. (2006). Exploring Chemistry Form4. Oxford Fajar.
http://www.pslc.ws/macrog/kidsmac
http://en.wikipedia.org/wiki/Synthetic_polymer
http://www.cem.msu.edu/~reusch/VirtualText/polymers.htm
-
7/27/2019 POLYMERS_2.ppt
52/52
THANKYOU.!!!