Presentation Topics
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Transcript of Presentation Topics
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An-Najah National UniversityChemical Engineering Department
Graduation Project(2)
Recycling and Rreinforcing of PP from White Board Markers
Prepared by: Fedaa Jitawi Hidaya Shaker
Ismaiel Manasrah Mays Shadeed
Supervisor: Eng. Shadi Sawalha
2011
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Presentation Topics Problem
Objectives
Introduction
Methodology
Result and Discussion
Conclusion and Recommendation
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Problem
The problem comes from highly amount of consumed white board markers inside educational centres. These markers occupied large volume because they are not biodegradable due to their nature.
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Objectives
Recycling of White Board
Markers and use its
constituents as composite
component in order to produce
a stronger polymer which could
be used in other applications.
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Introduction
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White Board MarkersPP
PET HDPE
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COMPOSITE Fiber composite technology is based on
taking advantage of the high strength and high stiffness of fibers, which are combined with matrix materials of similar/ dissimilar natures in various ways, creating inevitable interfaces.
Most composites have two constituent materials: a binder or matrix, and reinforcement.
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The reinforcement is usually much stronger and stiffer than the matrix, and gives the composite its good properties.
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COMPOSITE
Factors affect the composite strength:
• Interfacial bonding
• Influence of Fiber Length
• Influence of Fiber Orientation
Reinforcements basically come in three forms: particulate, discontinuous fiber, and continuous fiber.
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Glass FiberGlass Fiber-reinforced Plastic (GFRP), is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers made of glass.
Glass fibers reinforced polymer matrix composites are manufactured by open mold processes, closed mold processes and Pultrusion method.
Properties of glass fiber:•High strength-to-weight ratio.•High modulus of elasticity-to-weight ratio.•Good corrosion resistance.•Good insulating properties.•Low thermal resistance.•But it is weak in compression.
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Methodology
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Information
collection•Statistical survey.
•questionnaire
Raw material
collection
Material type
determination
Methodology
Statistical survey.questionnaire
University decision for WBM collection
DSC test was performed to every part of the marker
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Methodology
Raw material
preparation• Sorting
• Cleaning• grinding
processing
• Using thermal press• Produce 6 of
reinforced sheet
Testing and
Analysis• Using tensile test• Modulus of elasticity,
tensile strength and Ke were calculated
•Using tensile test•Modulus of elasticity, tensile strength and KE were calculated
• Using thermal press• Produce 6 series of reinforced sheet
• Using tensile test
• Sorting
• Cleaning
• Grinding• Modulus of
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Result and Discussion
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Statistical Survey
The number of the markers• 38810
Weight (Kg)• 670
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DSC Test Results
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Body, cap , and plug samples
Figure (2): The DSC test result for the body of the white board marker.16
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Holder sample
Figure (3): The DSC test result for the fibre holder of the white board marker.
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Fibers sample
Figure (4): The DSC test result for the fibers of the white board marker.
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Tensile Test Results
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0 5 10 15 20 25 30 35400
500
600
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800
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1000
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Wt%
Mod
ulus
of
elas
ticty
(M
Pa)
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Polypropylene and glass fiber composite at different composition
0 5 10 15 20 25 30 3520
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Wt%Yi
eld
stre
ngth
(M
Pa)
Figure (5): Relationship between modulus of elasticity and yield strength with glass fiber content at constant
temperature 220˚C.
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0 5 10 15 20 25 30 350.00
0.05
0.10
0.15
0.20
0.25
Wt%
KE
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Polypropylene and glass fiber composite at different composition
Figure (6): Relationship between ke versus weight percent of glass fiber
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200 220 240 260 280 300 320300
400
500
600
700
800
900
1000
Temperature (˚C)M
odul
us o
f el
astic
ty (
MPa
)
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Polypropylene and glass fiber composite at different temperature
200 220 240 260 280 300 32015
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25
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Temperature (˚C)
Yiel
d st
reng
th (
MPa
)
Figure (7): Relationship between modulus of elasticity and yield strength with temperature at constant
composition 10 wt% glass fiber.
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0 5 10 15 20 25400450500550600650700750800850900
Wt%M
odul
us o
f el
astic
ty (
MPa
)
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Polypropylene (PP) and Recycled polyethylene teraphthalate fibers (rPETFs) composite at
different composition.
0 5 10 15 20 251012141618202224262830
Wt%
Yiel
d st
reng
th (
MPa
)
Figure (8): Relationship between modulus of elasticity and yield strength with weight percentage of PET fiber at
constant temperature 220˚C.
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2 4 6 8 10 12 14 16 18 20 22 24 26 280.0
0.2
0.4
0.6
0.8
1.0
1.2
Wt%
KE
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Polypropylene (PP) and Recycled polyethylene teraphthalate fibers (rPETFs) composite at
different composition
Figure (9): Relationship between Ke versus weight percent of PET fibre
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200 220 240 260 280 300 320300
400
500
600
700
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1000
Temperature (˚C)M
odul
us o
f el
astic
ty (
MPa
)
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Polypropylene (PP) and Recycled poly ethylene terephthalate fibers (rPETF) composite at
different temperature.
200 220 240 260 280 300 32015
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25
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Temperature (˚C)
Yiel
d st
reng
th (
MPa
)
Figure (10): Relationship between modulus of elasticity and temperature at constant
composition 8wt% PET fiber.
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Figure (11): Comparison between the modulus of elasticity tensile strength of glass fibre/PP composite and rPETf/ PP.
0 5 10 15 20 25 30400
450
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600
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900
Glass fiberPET
Wt%
Mod
ulus
of e
lasti
city
(MPa
)0 5 10 15 20 25 30
10
12
14
16
18
20
22
24
26
28
30
Wt%
Tens
ile S
tren
gth
(MPa
)
Comparison between glass fiber/PP composite and rPETf/PP composite
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1 2 3 4 5 6 7 8 90
200
400
600
800
1000
1200
1400
Wt%M
odul
us o
f el
astic
ity (
MPa
)
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1 2 3 4 5 6 7 8 90
5
10
15
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25
30
35
40
Wt%
Yiel
d st
reng
th (
MPa
)
Figure (12): Relationship between yield strength and weight percent of PET composite with 10wt% of glass fiber and PP at
220˚C.
Three composite component (rPETFs and PP)/GF at different composition
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200 220 240 260 280 300 320600
650
700
750
800
850
Temperature (˚C)
Mod
ulus
of
elas
ticty
(M
Pa)
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200 220 240 260 280 300 32015
20
25
30
35
40
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Temperature (˚C)
Yiel
d st
reng
th (
MPa
)
Figure(13): Relationship between modulus of elasticity and weight percentage of PET fiber at constant
temperature 220˚C.
Glass fibre (mat) and Polypropylene composite at
different temperature.
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Conclusion The material of WBM consist of PP ,HDPE, and PET fibers
The PP content is 66% from the hole marker
The optimum GF composition in r-PP/GF was 15% at processing temperature of 220 (˚C).
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The optimum composition of rPETFs in Composite of r-PP/rPETFs is 10%, at temperature of 220 (˚C)
The optimum compositions of rPETFs and short GF where 4% and 10% respectively in rPETFs and GF/r-PP composite at processing temperature 220 (˚C).
The optimum processing temperature for r-PP/GF (E-class mat) composite is 280 (˚C)
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Problem objective
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The problem is the high amount of consumed white
board markers
The objective is to recycle these markers and to produce
a new product by composite.
A three component composite 4%PET and 10%GF
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Thank You ForComing
And Listening
Any Question?
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1• Polypropylene and glass fiber composite at
different composition
2• Polypropylene and glass fiber composite at
different temperature
3• Polypropylene (PP) and Recycled polyethylene
teraphthalate fibers (rPETFs) composite at different composition.
4• Polypropylene (PP) and Recycled poly ethylene
terephthalate fibers (rPETF) composite at different temperature.
5• Three composite component (rPETFs and
PP)/GF at different composition
6• Glass fibre (mat) and Polypropylene composite
at different temperature.
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Polypropylene (PP):
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PP is a versatile polymer used in applications from films to fibers.
PP is synthesized by the polymerization of propylene, a monomer derived from petroleum products.
With a density of 0.905 g/cm3.
The melting temperature is 165 to 170˚C.
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Polyester (PETF):
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Resin is used in several key products; a large part of the polyester is converted into fibers
Condensation polymer made from terephthalic acid and ethylene glycol.Density :1.3-1.4 gm\
cm3. Melting temperature:
212-265 ˚C.
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High density polyethylene (HDPE):
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High-density polyethylene has the simplest structure and is essentially made of long virtually unbranched chains of polymer.
PE is synthesized by the polymerization of ethylene, a monomer derived from petroleum products.
With density in the range of 0.941–0.965 g/cm3).
The melting temperature 130˚C.
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Figure (13): Comparison between the modulus of elasticity tensile strength of glass fibre/PP composite and rPETFs/ PP.
Comparison between glass fiber/PP composite and rPETFs/PP composite
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200 220 240 260 280 300 320300
400
500
600
700
800
900
1000
Temperature (˚C)M
odul
us o
f el
asti
cty
(MPa
)
Polypropylene and glass fiber(10wt% glass fiber) composite at different
temperature
200 220 240 260 280 300 32015
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19
21
23
25
27
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Temperature (˚C)
Yiel
d st
reng
th (
MPa
)
Figure (7): Relationship between modulus of elasticity and yield strength with temperature at constant
composition 10 wt% glass fiber.
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Figure (4): The DSC test result for the fibers of the white board marker.