PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the...

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PLASTIC PLASTIC FIBER FIBER ELASTOMER ELASTOMER

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Transcript of PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the...

Page 1: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

PLASTICPLASTIC FIBERFIBER ELASTOMERELASTOMER

Page 2: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

objectivesobjectives By the end of the class, students By the end of the class, students

should be able should be able To explain the importance of proper To explain the importance of proper

disposal of synthetic polymersdisposal of synthetic polymersTo suggest ways to dispose of To suggest ways to dispose of

synthetic polymers in order to synthetic polymers in order to preserve the environmentpreserve the environment

To practice good habits in disposing To practice good habits in disposing of synthetic polymersof synthetic polymers

Page 3: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

What is What is Polymer ?!Polymer ?!o Food?Food?o Bag?Bag?o Animal?Animal?o Plant?Plant?o Cloth?Cloth?

o Or what?Or what?

Page 4: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

POLYMERSPOLYMERS

large molecules made up of many large molecules made up of many smaller and identical repeating smaller and identical repeating units units

-> -> monomersmonomers These repeating units joins These repeating units joins

together by together by

covalent bondscovalent bonds

Page 5: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

POLYMERSPOLYMERS

The chemical process that join The chemical process that join the monomers together the monomers together

- - POLYMERISATIONPOLYMERISATION

Polymerisation can be divided Polymerisation can be divided into 2 types :into 2 types : addition polymerisationaddition polymerisation condensation polymerisationcondensation polymerisation

Page 6: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

POLYMERSPOLYMERS

Polymers can be divided into 2 Polymers can be divided into 2 types :types :

naturally occurring polymersnaturally occurring polymers

synthetic polymerssynthetic polymers

Page 7: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

What What the the

differedifferent nt

betweebetween n

natural natural polymepolymers and rs and synthesynthe

tic tic polymepolyme

rs?rs?

Page 8: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

naturally occurring naturally occurring polymerspolymers

Polymers that exist in plants or Polymers that exist in plants or animalsanimals

Types of naturally occurring polymers Types of naturally occurring polymers proteinprotein : muscles: muscles carbohydrates carbohydrates : cellulose: cellulose natural rubbernatural rubber : latex: latex

Page 9: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

synthetic polymerssynthetic polymers

Polymers made in industry from Polymers made in industry from chemical substanceschemical substances

Scientists are able to copy Scientists are able to copy structures of natural polymers to structures of natural polymers to produce synthetic polymers produce synthetic polymers trough scientific researchtrough scientific research

Page 10: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

synthetic polymerssynthetic polymers

many of raw materials for many of raw materials for synthetic polymers are obtain synthetic polymers are obtain fromfrom

-> petroleum-> petroleum types of synthetic polymerstypes of synthetic polymers

plasticsplastics fibersfibers elastomerselastomers

Page 11: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

PlastPlastic ic is a is a syntsynthetic hetic polypolymer. mer. Why?Why?

!!

Page 12: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

plasticsplastics

composed of polymers of composed of polymers of carboncarbon and and hydrogenhydrogen alone or with alone or with oxygenoxygen, , nitrogennitrogen, , chlorinechlorine or or sulfursulfur in the backbone in the backbone

Page 13: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

plasticsplastics

Properties of plastics :-Properties of plastics :- LightLight strong strong malleable malleable inert to chemicalinert to chemical insulators of electricity insulators of electricity

and heatand heat

Page 14: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

plasticsplastics

example of plastics are :-example of plastics are :- polythene (polyethylene)polythene (polyethylene) polyvinylchloride (PVC)polyvinylchloride (PVC) polypropene (polypropylene)polypropene (polypropylene) polystyrenepolystyrene PerspexPerspex BakeliteBakelite

Page 15: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

fibersfibers

long chain polymers that long chain polymers that withstand withstand stretchingstretching

example of fibers are :-example of fibers are :-polyamide polyamide nylonnylon, , teryleneterylenephenol-formaldehyde (PF)phenol-formaldehyde (PF)acrylicacrylic polymers polymers

Page 16: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

elastomerselastomers

polymer that can regain its polymer that can regain its original shape after being original shape after being stretched or pressedstretched or pressed

example of elastomers are :-example of elastomers are :-Styrene-butadiene rubber(SBR)Styrene-butadiene rubber(SBR)PolyisoprenePolyisoprene (IR) (IR) PolybutadienePolybutadiene (BR) (BR) Chloroprene Rubber (CR) Chloroprene Rubber (CR)

Page 17: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Why ?????Why ????? StrongStrong Inert to chemical Inert to chemical

attacksattacks Easily moulded Easily moulded

or shaped and be or shaped and be colouredcoloured

CheapCheap Able to resist Able to resist

corrosioncorrosion Special Special

properties can be properties can be made according made according to specific needsto specific needs

Page 18: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

What is What is the the

impacts impacts of of

synthetic synthetic polymers polymers towards towards

human human and and

environmenvironment?ent?

Page 19: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 20: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 21: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Environmental Environmental pollution pollution !!!!!!

Most of the polymers are non-Most of the polymers are non-biogradeablebiogradeable

Cannot be decomposed by Cannot be decomposed by bacteria / decomposerbacteria / decomposer

So… caused disposal problem So… caused disposal problem when polymer not decaywhen polymer not decay

Page 22: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 23: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Environmental Environmental pollution pollution !!!!!!

Plastics items discardedPlastics items discarded Blockage of drainage systems & Blockage of drainage systems &

riversrivers So… caused flash floodsSo… caused flash floods

Page 24: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 25: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Environmental Environmental pollution pollution !!!!!!

Polymer containers not buried in Polymer containers not buried in the groundthe ground

Become breeding ground for Become breeding ground for mosquitoesmosquitoes

So… caused diseases such as So… caused diseases such as denguedengue

Page 26: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 27: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Environmental Environmental pollution pollution !!!!!!

The non-biogradeable polymers The non-biogradeable polymers thrown into rivers -> lakes -> thrown into rivers -> lakes -> seasseas

Swallowed by aquatic animalsSwallowed by aquatic animals Animals die due to chockingAnimals die due to chocking

Page 28: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.
Page 29: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Environmental Environmental pollution pollution !!!!!!

Open burning of polymersOpen burning of polymers Released harmful, poisonous Released harmful, poisonous

gasesgases Cause air pollutionCause air pollution Contributes to acid rain problem Contributes to acid rain problem

Page 30: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

That’s not the That’s not the only impacts of only impacts of

plasticsplastics

Page 31: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

moviemovie

Page 32: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Ways to dispose Ways to dispose synthetic polymer synthetic polymer

properlyproperly PYROLISIS-burn without oxygenPYROLISIS-burn without oxygen

INCINERATION-gas is filteredINCINERATION-gas is filtered

INVENT A BIODEGRADEABLE INVENT A BIODEGRADEABLE SYNTHETIC POLYMERSYNTHETIC POLYMER

Page 33: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

CATEGORY Code Example DENSITY

1 PETE Pop bottlePeanut butter jar

Mylar

1.38 – 1.39

2 HDPE Milk jugShampoo bottle

0.95 – 0.97

3 V Pipes and fittings, pill bottles, shower curtains, garden hoses, tile, leather like luggage and

upholstery

1.15 – 1.35

4 LDPE Trash bagsDiaper liners

0.92 – 0.94

5 PP Indoor/outdoor carpeting, kitchenware

0.90 – 0.91

6 PS StyrofoamPen casing

Clear plastic cups

1.05 – 1.07

7 OTHER Toothpaste and cosmetic containers

Page 34: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

PRACTISING GOOD HABITS IN PRACTISING GOOD HABITS IN DISPOSING OF SYNTHETIC DISPOSING OF SYNTHETIC

POLYMERSPOLYMERS

1.1. Separate the synthetic Separate the synthetic polymers from other wastes.polymers from other wastes.

2.2. RecycleRecycle

3.3. ReuseReuse

Page 35: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Do not Do not recyclerecycle … …

1. Automotive Product Containers 1. Automotive Product Containers Including: Including:

Motor Oil Bottles Motor Oil Bottles Anti-Freeze Containers Anti-Freeze Containers Gasoline and Oil Additive BottlesGasoline and Oil Additive Bottles

2. Brown Liquor Bottles 2. Brown Liquor Bottles

3. All Containers Marked With The 3. All Containers Marked With The Following Codes: Following Codes:

Page 36: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

ACTIVITYACTIVITY

Page 37: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

QUIZZESQUIZZES

1) Polymers are made up of many smaller 1) Polymers are made up of many smaller and identical repeating units called and identical repeating units called monomersmonomers

2) The monomers join together by bond2) The monomers join together by bondcovalentcovalent

3) The chemical process that join the 3) The chemical process that join the monomers together is calledmonomers together is called polymerizationpolymerization

Page 38: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

QUIZZESQUIZZES

4) 2 types of polymerization:4) 2 types of polymerization:

a.a.b.b.

additionadditioncondensationcondensation

5) 2 types of polymers:5) 2 types of polymers:

a.a. b.b.

Natural polymerNatural polymerSynthetic polymerSynthetic polymer

Page 39: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

QUIZZESQUIZZES

6) Types of synthetic polymers:6) Types of synthetic polymers:

Plastics, fibers, elastomersPlastics, fibers, elastomers

7) The impacts of synthetic 7) The impacts of synthetic polymers to the human and polymers to the human and environmentenvironment::Disposal problemsDisposal problems

Blockage of riversBlockage of rivers

diseasesdiseases

Harmful to animalsHarmful to animals

pollutionspollutions

Page 40: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Group activity!!Group activity!!

Page 41: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Good luck…!!!Good luck…!!!

Create a poster to give the Create a poster to give the awareness to the people in order to awareness to the people in order to preserve the environment from the preserve the environment from the synthetic polymers…synthetic polymers…You may add the impacts, the way to You may add the impacts, the way to dispose synthetic polymers or dispose synthetic polymers or whatever that you have learn to whatever that you have learn to make your poster more effective…make your poster more effective…

Page 42: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Example….Example….

STOP USING PLASTICS!!!STOP USING PLASTICS!!!

Page 43: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Post Lab QuestionPost Lab Question

1) How do you properly dispose synthetic 1) How do you properly dispose synthetic polymers to preserve the environment?polymers to preserve the environment?

PyrolisisPyrolisis

incenerationinceneration

Invent a Invent a biodegradeable biodegradeable synthetic synthetic polymerspolymers

reusereuse

recyclerecycle

Separate Separate synthetic synthetic polymers from polymers from other wastesother wastes

Page 44: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

2) Why is it important to properly 2) Why is it important to properly dispose of synthetic polymers?dispose of synthetic polymers?

To reduce the disposal problemsTo reduce the disposal problems

To prevent the diseases caused by To prevent the diseases caused by synthetic polymers wastessynthetic polymers wastes

To prevent the pollutionsTo prevent the pollutions

To save the animals from being deadTo save the animals from being dead

Page 45: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

3) State environmental disaster 3) State environmental disaster occurs due to improper disposal of occurs due to improper disposal of plastics.plastics.

Flash floodFlash flood

acid rainacid rain

Page 46: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

4) Do you think the usage of biodegradable polymer should be expanded? Explain.

Yes.Yes.Harmless to environmentHarmless to environmentCan disposed easilyCan disposed easily

Page 47: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

5) What are the factors that 5) What are the factors that hinders from using biodegradable hinders from using biodegradable polymers?polymers?CostlyCostly

Not so strongNot so strong

Page 48: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

ConclusionConclusion

Proper disposal of synthetic Proper disposal of synthetic polymers is important in order to polymers is important in order to preserve the environment. This is preserve the environment. This is because synthetic polymers bring because synthetic polymers bring lot of bad effects to the human and lot of bad effects to the human and environment:environment:a) blockage of rivera) blockage of riverb) diseaseb) diseasec) pollutionc) pollution

Page 49: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

There are ways to dispose There are ways to dispose synthetic polymers:synthetic polymers:

a) pyrolisisa) pyrolisis

b) incenerationb) inceneration

c) use biodegradable synthetic c) use biodegradable synthetic polymerspolymers

Page 50: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

Good habits in disposing of Good habits in disposing of synthetic polymers:synthetic polymers:

a) recyclea) recycle

b) reuseb) reuse

c) separate synthetic polymers c) separate synthetic polymers from from the other wastesthe other wastes

Page 51: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

referencesreferences

Hoong, L.T., Yi, M. T. & Hasnah Abu Samah. (2006). Hoong, L.T., Yi, M. T. & Hasnah Abu Samah. (2006). Science Form 5. Asia Galaxy Sdn. Bhd. Kuala Lumpur.Science Form 5. Asia Galaxy Sdn. Bhd. Kuala Lumpur.

Loh Wai Leng, Tan On Tin. (2006). Exploring Chemistry Loh Wai Leng, Tan On Tin. (2006). Exploring Chemistry Form 4. Oxford Fajar.Form 4. Oxford Fajar.

http://www.pslc.ws/macrog/kidsmachttp://www.pslc.ws/macrog/kidsmac

http://en.wikipedia.org/wiki/Synthetic_polymerhttp://en.wikipedia.org/wiki/Synthetic_polymer

http://www.cem.msu.edu/~reusch/VirtualText/http://www.cem.msu.edu/~reusch/VirtualText/polymers.htmpolymers.htm

Page 52: PLASTICFIBERELASTOMER objectives By the end of the class, students should be able By the end of the class, students should be able To explain the importance.

THANKTHANK

YOUYOU….!!!….!!!


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