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1
Advantages and applications of LLDPE Quaterpolymer
Technology
Antônio Xavier
Head of Product Development
2
Braskem Pluris®
� Agenda� Braskem introduction
� Pluris ® a new generation of LLDPE
� Production background
� Properties
� Applications
� Automatic Packaging
� Shrink Film
� Heavy Duty Bags
� Pet Food
� Agricultural silage
� Adhesion agent for PP / PE
� Questions and Answers
3
Braskem introduction
� Braskem is the leader in the Latin America thermoplastics resins market
� Integrated operations
3rd 3rd generationgeneration
Plastic Products
RefiningRefining
RawMaterial
1st 1st generationgeneration
Basic Petrochemicals
2nd. 2nd. generationgeneration
Thermoplastic Resins
Integration
4
Braskem introduction
14 industrial units in Brazil
Triunfo
Camaçari
Maceió
São Paulo
HDPE / LLDPE Unipol
HDPE / UTEC Mitsubishi
HDPE / LLDPE Sclairtech
LDPE / EVA Sumitomo
Polyolefins technologies
LDPE Equistar
LLDPE Spherilene
PP Spheripol
5
Center of Technology and Innovation
� Focus on value creation for
customers
– Product customization
– New applications
– Client services
� 200 researchers
� 8 pilot plants
� US$ 100 MM in technology
assets
� Partnerships with
customers, suppliers,
universities and research
centers
� Development of products,
technologies, catalysts and
applications
�159 patents filled until
2007
6
Development of new product families
Internally developed technology for the production of UHMWPE
Pioneer on the production of metallocene PE in Latin America
High clarity PP grades for rigid packaging
BOPP sealant layer
Ideal product for kitchen cutting boards and playground toys
7
Braskem Pluris®
Quaterpolymer LLDPE
Ethylene – Propylene - Butene - Hexene
Produced exclusively at Spherilene ® technology
plant in a four reactors line
8
Braskem Pluris®
Spherilene® Process
Catalyst
M
1st ReactorC3-C4-C2
Pelletizing Pelletizing systemsystem
Comonomers
M
2nd ReactorC2-C4-C6
M
Ethylene
Comonomers
Hydrogen
Prepolimerization section
Polimerization section
9
Braskem Pluris®
�Braskem Pluris ® main advantages:
�Unique mechanical properties balance
�Higher stiffness
�Excellent impact strength
�Better bubble stability compared to other LLDPE’s
�Low blocking force
�High sealing strength
10
Braskem Pluris®
Unique properties
69/155109/238kgf/cmD-1922Elmendorff Tear Strength (DM/DT)
127146gD-1709Dart Drop ImpactStrength
196/223261/291MPaD-8821% Secant Modulus(DM/DT)
973/1228863/1197%D-882Elongation at break(DM/DT)
40/3156/39MPaD-882Tensile at break(DM/DT)
11.57.5%D-2457Gloss - 60 °
8.616.0%D-1003Haze0.9210.920g/cm³D-1505Density
0.70.55g/10 minD-1238Melt Flow Index(190°C/2,160kg)
LLDPE C4
UnitsASTM Method
Braskem Pluris ®
97/153
>850
132/151
1007/1207
72/63
12.06.7
0.917
1.0
MetalloceneLLDPE
11
Braskem Pluris®Sealing strength
0,0
0,5
1,0
1,5
2,0
2,5
95 100 105 110 115 120 125 130 135
Temperature (ºC)
Force (N)
Braskem Pluris®Conventional LLDPE
12
Braskem Pluris® - a pplications
High PerformanceAutomatic Packaging Films
(Form Fill Seal)
13
High PerformanceAutomatic Packaging Films
Advanced solution for food packaging
�High gloss and clarity
�Very good stiffness/toughness balance
�Excellent sealing properties
�Braskem proposes a combination of Pluris®, Flexus®, conventional LLDPE and LDPE
14
High PerformanceAutomatic Packaging Films
80-90% Braskem Flexus ® 9211 + 10-20% LDPE
80% Pluris ® 9310 + 20% LDPE
70-80% C4 LLDPE + 20-30% LDPE
“Braskem Solution” 3 layer coex structure
15
High PerformanceAutomatic Packaging Films
Film samples: 3 coex layer, 80 micra thickness, 20% LDPE
16
High PerformanceAutomatic Packaging Films
Film samples: 3 coex layer, 80 micra thickness, 20% LDPE
17
High PerformanceAutomatic Packaging Films
Film samples: 3 coex layer, 80 micra thickness, 20% LDPE
18
High PerformanceAutomatic Packaging Films
Film samples: 3 coex layer, 80 micra thickness, 20% LDPE
19
Braskem Pluris® - a pplications
Shrink Films
20
Shrink Film
�Secondary package for handling, storage and transportation
�High Stiffness/Tear strength
�Competitive to LDPE shrinkage levels
�Lower failures in handling, storage and transportation
�Integrity of the package
21
Shrink Film
�Braskem: 70% Pluris® 9300 + 30% blown molding HDPE�Standard: 60% LDPE + 30% HDPE + 10% LLDPE
0,250,26External COF
0,230,23Internal COF
70/1070/11Shrinkage (%) MD/TD
5458Thickness (µm)
BraskemStandard
MD: machine direction / TD: transverse direction
22
Shrink Film
MD: machine direction / TD: transverse direction
302324
375413
100
150
200
250
300
350
400
450
Standard Braskem
1% Secant Modulus (MPa) MD
1% Secant Modulus (MPa) TD
23
Shrink Film
MD: machine direction / TD: transverse direction
12
169
28
180
0
50
100
150
200
Standard Braskem
Elmendorf Tear (Kgf/cm) MD
Elmendorf Tear (Kgf/cm) TD
24
Shrink Film
0,22
0,29
0
0,1
0,2
0,3
0,4
Standard Braskem
Dart Drop Impact Strength (Joule)
25
Braskem Pluris® - a pplications
Heavy Duty Bags
26
Heavy Duty Bags
�Chemicals, Agricultural Products,Fertilizers
�Higher Stiffness�Very good Impact Strength�Superior Sealing strength�High Coefficient of Friction (COF)
�Low bag deformation�Better stack stability�Package storage handling & shelf life integrity
27
Heavy Duty Bags
80-90% Braskem Flexus ® 9200 + 10-20% LDPE
80-90% Pluris ® 9300 + 10-20% LDPE
70-80% Pluris ® 9300 + 20-30% LDPE
“Braskem Solution” 3 layer coex structure
28
Heavy Duty Bags
C8 LLDPE
Braskem Solution
-
50,00
100,00
150,00
200,00
250,00
300,00
1% S
ecan
t Modu
lus M
D (MPa)
1% S
ecan
t Modu
lus T
D (MPa)
Tensil
e at
Break
MD (M
Pa)
MPa
Stiffness
29
Braskem Pluris® - a pplications
Pet Food Packaging
30
Pet Food Packaging
�High stiffness and toughness
�Excellent sealing properties
�Good fat barrier
�Braskem developed a structure combining Pluris®, Flexus®,
HDPE and LDPE that leads to superior films
31
Pet Food PackagingBraskem Solution
32
Pet Food PackagingC8/PP based Solution
33
Pet Food PackagingBetter Properties Combination
43,248Fat barrier – time to failure (h)
1,441,52Dart Drop - energy at Max Load (J)
118/20799/267Elmendorf Tear Strength MD/TD (kgf/cm)
1098/12131115/1112Elongation at Break MD/TD (%)
34,9/33,540,0/36,8Tensile at Break MD/TD (MPa)
190/200195/2231% Secant Modulus MD/TD (MPa)
C8 LLDPE/PP based Solution
Braskem Solution
Remarks: 130 µm thickness film % of HDPE and PP = 20%
34
Hot Tack STL 869/2004
0,0
2,0
4,0
6,0
8,0
10,0
12,0
95 100 105 110 115 120 125
Temperatura (ºC)
For
ça (
N)
Braskem Solution
C8/PP Based
Pet Food PackagingExcellent Sealing Performance
35
Pet Food PackagingExcellent Sealing Performance
Ultimate Strength STL 869/2004
0,0
5,0
10,0
15,0
20,0
25,0
30,0
35,0
40,0
45,0
95 100 105 110 115 120 125 130
Temperatura (ºC)
For
ça (
N)
C8/PP Based
Braskem Solution
36
Braskem Pluris® - a pplications
Silos for
agricultural
application
37
Silos for agricultural application
Braskem Solution for agricultural silage – expected
benefits with Pluris and LDPE in the formulation:
�Higher stiffness
�Better mechanical properties
�Higher gloss
�To increase grain protection
�To increase silo capacity
38
Silos for agricultural application
Tear strength
101
51 5777
169132
106
148
0
50
100
150
200
Brk Silo 1 Silo 2 Silo 3
MD TD
Better mechanical properties increase protection of the grains
Puncture test
16,7
12,414,5 13,4
0
5
10
15
20
Brk Silo 1 Silo 2 Silo 3
39
Silos for agricultural application
Tensile at break X Elongation
310 250 200 250
1050 950
12501100
0
500
1000
1500
Brk Silo 1 Silo 2 Silo 3
Tensile Elongation
Higher stiffness / tensile at break and lower elongation
increase silo capacity
Stiffness
0,19
0,14
0,17 0,17
0
0,05
0,1
0,15
0,2
Brk Silo 1 Silo 2 Silo 3
40
Silos for agricultural application
Higher gloss improves sunlight reflection and implies in a low temperature inside
the silo and better protection of the grains
Gloss 45º
5141
3039
0102030405060
Brk Silo 1 Silo 2 Silo 3
41
Braskem Pluris® - a pplications
Pluris:
adhesion agent
for PE/PP
42
Adhesion Agent between PE/PP
Polyethylene
Pluris ®
Polypropylene
3 layer coex structureWith or without Slip agent, depending on the applic ation
43
Adhesion Agent between PE/PP
Core Layer
Pluris or
C4 LLDPE
44
Adhesion Agent between PE/PP
0,0
5,0
10,0
15,0
20,0
25,0
30,0
35,0
40,0
45,0
50,0
95 100 105 110 115 120 125 130 135 140 145 150 155 160
Temperature (ºC)
For
ce (
N)
Pluris in Core Layer PE in Core Layer
45
Braskem Pluris®
�Summary of benefits of Pluris ® technology
� Improved quality of packaging
� Optimal pallet and stack stability
� Excellent compatibility within PE/PP coex layers
� Important opportunities of film downgauging
� Higher stiffness than conventional LLDPE’s
� Mechanical resistance like C6 LLDPE
� Good sealability
46
Braskem Pluris®
Questions and answers