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Kodchakorn BokamNutnaree Tamprateep
Patcharaporn Chalopagorn
IntroductionIntroductionIntroductionIntroduction
ProductsProductsProductsProducts
Para RubberPara RubberPara RubberPara Rubber Taxonomic Classification
Class : AngiospermaeSubclass : DicotyledoneaeOrder : EuphorbialesFamily : EuphorbiaceaeGenus : HeveaSpecies : brasiliensis
Scientific name : Hevea brasiliensis Muell Arg.
Common name : Para Rubber
HDPEHDPE is the high density version of PE plastic. Because it has little branching, giving it stronger intermolecular forces and tensile strength than lower density polyethylene. So It is harder, stronger, more opaque and a little heavier than LDPE, but less ductile.
HDPEHDPEHDPEHDPE
HDPEHDPEHDPEHDPE
HDPE is lighter than water, and can be moulded and joined together
HDPE is resistant to many different solvents and has a wide variety of applications
ObjectiveObjectiveObjectiveObjective
To study about appropriate ratio to produce particle board
from Para rubber wood flour, coconut flour, and recycled plastic.
To study about appropriate ratio to produce particle board
from Para rubber wood flour, coconut flour, and recycled plastic.
- Advisors
Mr.Sorachai Sae-lim Dr.Chanchai Thongpin Ass.Prof. Dr.Chakrit Sirisinha
AcknowledgeAcknowledgeAcknowledgeAcknowledge
- The Thailand Research Fund , ( TRF )
- Young Scientist competition , ( YSC2008 )
Experiment
1. Production of wood plastic composites
2. Testing
- Prepare material
- Mixing & Molding composites
MethodMethodMethodMethod
-Impact test
-Flexural test
-Tensile test
-Melt flow index
3. Fill coconut flour
1.1. Production of wood plastic compositesProduction of wood plastic composites1.1. Production of wood plastic compositesProduction of wood plastic composites
1.1 Preparing Materials1.1 Preparing Materials1.1 Preparing Materials1.1 Preparing Materials
Dry at 75 degree to control moisture less than 5%
Crush with grinderUse Screened wood flour > 200 mesh
Recycled PlasticPara Wood Flour
Preparing MaterialsPreparing MaterialsPreparing MaterialsPreparing Materials
1.2 Mixing & Molding1.2 Mixing & Molding1.2 Mixing & Molding1.2 Mixing & Molding
Mixing & Molding MethodMixing & Molding MethodMixing & Molding MethodMixing & Molding Method
Mix wood flour and recycled plastic by internal mixer
Molding specimen by injection molding
ASTM test
RatioRatioRatioRatio
- Pure recycled plastic
- 10 % wood flour by weight
- 20 % wood flour by weight
- 40 % wood flour by weight
Result of moldingResult of moldingResult of moldingResult of molding- Pure recycled plastic
- 10 % wood flour by weight
- 20 % wood flour by weight
100100%% Recycled Recycled plasticplastic
10% Wood
20% Wood
2. Testing2. Testing2. Testing2. Testing
ASTM standards usedASTM standards usedASTM standards usedASTM standards used
ResultResult : 2.1 Tensile Test: 2.1 Tensile TestResultResult : 2.1 Tensile Test: 2.1 Tensile Test
Formula Tensile Strength (MPa)
Tensile Elongation (%)
Tensile Modulus (MPa)
Pure 23.989 40.836 589.788
10%Wood 23.672 191.235 592.627
20%Wood 19.097 19.890 886.989
ResultResult : 2.2 Flexural Test: 2.2 Flexural TestResultResult : 2.2 Flexural Test: 2.2 Flexural Test
Formula Flexural Strength (MPa) Flexural Modulus (MPa)
Pure 1.297 1435.756
10%Wood 1.230 1678.083
20%Wood 1.203 3280.284
Result : 2.3 Impact TestResult : 2.3 Impact TestResult : 2.3 Impact TestResult : 2.3 Impact Test
Impact Testing
22.59713528
10.11348678
7.103395286
0
5
10
15
20
25
30
1Formula
kJ / m*m
0% Wood
10% Wood
20% Wood
Result : 2.4 Melt index testResult : 2.4 Melt index testResult : 2.4 Melt index testResult : 2.4 Melt index test
Formula Melt Index (g/10min)
00% % WoodWood
(g)(g)0.7478 ± 0.038
1010%% Wood Wood
(g)(g)0.8790 ± 0.086
2020%% Wood Wood
(g)(g) 0.5732 ± 0.056
Result : 2.4 Melt index testResult : 2.4 Melt index testResult : 2.4 Melt index testResult : 2.4 Melt index test
Melt Flow Index
0.7478
0.879
0.5732
0
0.2
0.4
0.6
0.8
1
1.2
formula
mel
t in
dex
(g
/10m
in)
0% Wood
10% Wood
20% Wood
3.3. Fill coconut flourFill coconut flour3.3. Fill coconut flourFill coconut flour
Dry at 75 degree to control moisture less than 5%
Coconut Flour
Crush with grinder
Preparing materialsPreparing materialsPreparing materialsPreparing materials
ResultResult : 3.1 Tensile Test: 3.1 Tensile TestResultResult : 3.1 Tensile Test: 3.1 Tensile Test
FormulaTensile Strength
(MPa)Tensile Elongation
(%)Tensile Modulus
(MPa)
5%5%Wood-Coconut
24.217 87.342 540.640
10%Wood 23.692 191.235 578.399
Result : 3.2 Flexural TestResult : 3.2 Flexural TestResult : 3.2 Flexural TestResult : 3.2 Flexural Test
FormulaFlexural Strength
(MPa)Flexural Modulus (MPa)
5%5%Wood-Coconut
2.293 1095.891
10%Wood 1.157 1609.318
Result : 3.3 Impact TestResult : 3.3 Impact TestResult : 3.3 Impact TestResult : 3.3 Impact Test
Impact Test
10.113
7.103
0
2
4
6
8
10
12
14
1 formula
imp
act
stre
ng
th(k
J/m
*m)
10%Wood
5%Wood5%Coconut
Result : 3.4 Melt index Result : 3.4 Melt index testtest
Result : 3.4 Melt index Result : 3.4 Melt index testtest
Formula Melt Index (g/10min)
55%%5%5% Wood-Wood-Coconut (g)Coconut (g)
0.6008 ± 0.077
1010%% Wood Wood
(g)(g)0.8790 ± 0.086
Result : 3.4 Melt index Result : 3.4 Melt index testtest
Result : 3.4 Melt index Result : 3.4 Melt index testtest Melt Flow Index
0.879
0.6008
0
0.2
0.4
0.6
0.8
1
1.2
formula
mel
t in
dex
(g
/10m
in)
10% Wood
5%Wood5%Coconut
เมื่��อเพิ่��มื่ปริ�มื่าณขี้��เลื่��อยไมื่�ยางพิ่าริา-ความแข็�งแรงดึ�ง (Tensile Strength)ม แนวโน�มลดึลง-ร�อยละการดึ�งย�ดึ ณ จุ�ดึข็าดึ (Tensile Elongation) ม แนวโน�มลดึลง-มอดึ�ล�ส (Tensile Modulus) ม แนวโน�มเพิ่� มข็�!น-ความแข็�งแรงโค�งงอ (Flexural Strength) ม แนวโน�มลดึลง-มอดึ�ล�สโค�งงอ (Flexural Modulus) ม แนวโน�มส�งข็�!น-ความแข็�งแรงกระแทก (Impact Strength) ม แนวโน�มส�งข็�!น-ดึ�ชน การไหล (Melt Flow Index) ม แนวโน�มลดึลง
ConclusionConclusionConclusionConclusion
เมื่��อผสมื่ขี้�ยมื่ะพิ่ริ�าว-ความแข็�งแรงดึ�ง (Tensile Strength)ม แนวโน�มเพิ่� มข็�!น-ร�อยละการดึ�งย�ดึ ณ จุ�ดึข็าดึ (Tensile Elongation) ม แนวโน�มลดึลง-มอดึ�ล�ส (Tensile Modulus) ม แนวโน�มลดึลง-ความแข็�งแรงโค�งงอ (Flexural Strength) ม แนวโน�มเพิ่� มข็�!น-มอดึ�ล�สโค�งงอ (Flexural Modulus) ม แนวโน�มลดึลง-ความแข็�งแรงกระแทก (Impact Strength) ม แนวโน�มส�งข็�!น-ดึ�ชน การไหล (Melt Flow Index) ม แนวโน�มลดึลง
ConclusionConclusionConclusionConclusion
ReferencesReferencesReferencesReferencesNicole M.Stark.1997. Effect of Species and Particle Size on Properties of Wood- Flour-Filled Polypropylene Composites. USDA Forest Products Lab.
10-16
American Society for Testing and Materials. 2006. ASTM(online). Available: http://www.astm.org/ [5 January 2550]
Craig Clemons. (2002). Wood-Plastic Composites in the United States. [Online].Available: http://www.fpl.fs.fed.us/documnts/pdf2002/clemo02b.pdf
Science Magazine. 2005. Properties of high-density polyethylene using durian and rubber sawdusts as fillers. 23(2-3): 132-146