Univar Dynapak

www.univar.com

Providing Polyisobutene (PIB) solutions for a wide range of applications.

Introduction to Univar EMEA

Properties

Viscosity

Density

Chemical Properties - Solubility & Compatibility

Dynapak for Additives

Dynapak for Lubricants

Dynapak for Adhesives

Dynapak for Sealants

Dynapak for Electrical Insulation

Dynapak for other Applications

Suitable Grades & Typical Applications

All Grades & Typical Values

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Univar Dynapak – Contents

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Contact your local representative or email us at: lubricant.additivesEMEA@univar.com

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The Univar Dynapak PIB product range offers a multitude of beneficial properties.

Colour: Univar Dynapak is generally water-white, reaching less than 50 on the APHA colour scale (typically less than 10). The product remains very stable after prolonged exposure to UV light. Univar Dynapak is more stable than conventional mineral oil with the same APHA colour.

Tackiness: Tackiness increases as the molecular weight and viscosity increases.

Purity & Toxicity: Univar Dynapak typically has no additives, chlorine or sulphur but Univar has not tested all grades for all possible uses (i.e. cosmetic applications) and would not recommend it’s use for any application for which it has not been tested and confirmed suitable, please ask for specific information.

Stability: Univar Dynapak has excellent stability against heat and UV radiation.

Viscosity: The viscosity of Univar Dynapak is between 5 and 5000 cST at 100°C. As the average molecular weight rises up, kinematic viscosity increases.

Packaging: Univar Dynapak is available in bulk (20mt ISO containers) or steel drums.

Univar Dynapak Properties

Univar Dynapak Viscosity

The viscosity depends on the temperature and viscosity changes can be generally expected to follow the curves below (based on ASTM D341)

10,000,000

1,000,000

100,000

10,000

Viscosity (cSt)

Univar Dynapak 4250

Univar Dynapak 640

Univar Dynapak 230

Univar Dynapak 5

Temperature (°C)

Viscosity (cSt) Vs Temperature typical characteristics:

1,000

20 40 60 80 100 120 140 160 180

100

10

1

Univar Dynapak Density

The density of Univar Dynapak varies with temperature changes typically as follows.

0.92

0.90

0.88

0.86

Density (g/cm3)

Temperature (°C)

Density (g/cm3) Vs Temperature typical characteristics:

0.84

0 20 40 60 80 100 120 140

0.82

0.80

Univar Dynapak 4250

Univar Dynapak 640

Univar Dynapak 230

Univar Dynapak 30

Chemical Properties - Solubility & Compatibility

Univar Dynapak Polybutene is a non-polar hydrocarbon polymer hence it has high solubility in aliphatic, aromatic and chlorinated solvents.

It is compatible with a wide variety of organic materials, including synthetic hydrocarbon polymers, waxs, resins and asphalt.

Item Solvent

Aliphatic

n-Hexane

n-Heptane

n-Octane

Esters

Methylacetate

Eethylacetate

Isopropylacetate

Chlorines

Carbon tetrachloride

Trichloroethane

Methylenechloride

Item Solvent

Aromatic

Benzene

Toluene

Xylene

Ethylbenzene

Alcohols

Methanol

Ethanol

Isopropylalcohol

n-Buthanol

i-Buthanol

Univar Dynapak is used for lubricant oil additives, fuel oil additives and emulsifiers.

Fuel detergents serve to reduce deposits on the engine valve and emit low exhaust smoke. They also prolong the lifetime of engines.

Lubricant detergents serve to reduce and prevent deposits in engines. Those in commercial use are prepared from Polyisobutene and they minimize engine deposits at low temperatures.

Properties Unit Test MethodUnivar Dynapak

190 470 1600

Molecular Weight GPC 950 ~ 1100 1250-1350 2000 ~ 2600

Viscosity (100ºC) cSt ASTM D445 175 ~ 205 400-450 1400 ~ 1800

Flash Point (COC) ºC ASTM D92 220 240 260

a-Vinylidene % 13C NMR 85 85 85

Colour (APHA) Max. ASTM D1209 Max. 60 Max. 50 Max. 50

Pour Point ºC ASTM D97 -2 0 12

Water Wt. ppm ASTM D6304 Max. 50 Max. 50 Max. 50

Appropriate Grades & Typical Values:

Univar Dynapak for Additives

Univar Dynapak Reaction Type (with MAH) a-Vinylidene

Conventional PIB

Univar Dynapak 5Univar Dynapak 30Univar Dynapak 230Univar Dynapak 640Univar Dynapak 4250

With ChlorinationThermal reaction with MAH 5 - 15%

High Reactive PIBUnivar Dynapak 190Univar Dynapak 470Univar Dynapak 1600

Without Chlorination Thermal reaction without MAH > 80%

Lubricant oil additive Fuel oil additive Emulsifier

Preparation Method PIB + MAH -> PIBSA -> PIBSI PIB + MAH -> PIB-MAH -> PIBSI PIB-MAH -> PIBSA Amine Salt

Use Dispersant Viscosity Modifier (thickener)

Gasoline/ Diesel detergent Pour point depressants Rust inhibitors

Explosive emulsifier Polymerisation emulsifier Other surfactants

Functions

Disperse deposits Polar inorganics Prevent equipment plugging Maintain the cleanliness of the engine

Prevent sludge/ deposits Lower exhaust/ smoke emissions Higher fuel efficiency

Disperse oxidant/explosive components Water-in-oil emulsion dispersion

Univar Dynapak for Additives

Univar Dynapak is widely used in automotive and industrial lubricants.

Properties Unit Test MethodUnivar Dynapak

230 640 4250

Molecular Weight GPC 930~970 1250 ~ 1350 3300 ~ 3700

Viscosity (100ºC) cSt ASTM D445 200~260 600 ~ 675 4000 ~ 4500

Flash Point (COC) ºC ASTM D92 200 210 260

Colour (APHA) Max. ASTM D1209 Max. 60 Max. 50 Max. 50

Pour Point ºC ASTM D97 -1 3 -

Water Wt. ppm ASTM D6304 Max. 50 Max. 50 Max. 50

Appropriate Grades & Typical Values:

High thickening efficiency

Superior Viscosity Index (VI)

Good shear stability

Low deposit forming and non-staining properties

Hydrophobic and inertness

Pure aliphatic hydrocarbon polymers (no sulfur or nitrogen)

Long term stability

Good water separation and compatibility

Good electrical properties

Univar Dynapak for Lubricants

Type of LubricantUnivar Dynapak

Properties & Functions of PIB in Lubricants230 640 4250

Two-Stroke Engine Oil Low smoke & deposit formation, good lubricity, clean burning

Hyper-Compressor OilHigh pressure sealing capacity, low deposit formation & resistance to oxidation, low moisture content & low volatility, no deleterious effect in properties of PE products

Gear/ Hydraulic OilImprovement of low temperature properties, increased retention time of oil on the gear, adjusted Viscosity Index

Metalworking FluidsNon-staining & low toxicity, clean decomposition (no carbon deposit), good resistance to biodegradation

GreasesImprovement of low temperature properties, adjusted Viscosity Index, prevention of wear/seizure/corrosion problems

Wire Rope ProtectivesGood chemical & physical stability, permanently non-drying, inertness & corrosion prevention, good lubricity

Univar Dynapak for Lubricants

Univar Dynapak is used for a variety of applications in the formulation of various types of adhesive such as Pressure Sensitive Adhesive (PSA) and Hot Melt Adhesive (HMA).

Excellent oxidation stability to ambient and UV-heat deterioration

Prevent of colour change and aging due to surrounding temperature, extension of lifetime

Hydrophobicity and plasticity

Viscosity as a form of wax, maintenance of tackiness and inhibition of hardening

Low gas or moisture permeability

Low/non toxicity and high transparency

Permanent non-drying properties

Stability to light and air

Univar Dynapak for Adhesives

Properties Unit Test MethodUnivar Dynapak

30 230 640 4250

Molecular Weight GPC 550 ~ 570 930 ~ 970 1250 ~ 1350 3300 ~ 3700

Viscosity (100ºC) cSt ASTM D445 29 ~ 37 200 ~ 260 600 ~ 675 4000 ~ 4500

Flash Point (COC) ºC ASTM D92 140 200 210 260

Colour (APHA) Max. ASTM D1209 Max. 50 Max. 60 Max. 50 Max. 50

Pour Point ºC ASTM D97 -20 -1 3 -

Water Wt. ppm ASTM D6304 Max. 50 Max. 50 Max. 50 Max. 50

Appropriate Grades & Typical Values:

Type of Adhesive Grade Preparation Method (wt%) Properties & Functions of PIB in Adhesives

Pressure Sensitive Adhesive (PSA) Univar Dynapak 230 Mixing with

non-polar rubber 10-20%

Improves the track/peel strength of elastomer, excellent colour stability, good resistance to oxidation, no toxicity, wide range of viscosities

Hot Melt Adhesive (HMA)

Univar Dynapak 30 Univar Dynapak 190Univar Dynapak 230 Univar Dynapak 4250

Mixing with thermoplastic polymers 5-10%

Increases the Melt Index (MI), maintains flexibility at low temperatures, fairly compatible with EVA, SBS, SIS, PE etc., economical raw material

Water Based Adhesive (WBA)

Univar Dynapak 640 Univar Dynapak 4250 Mixing with emulsifiers 50-70% Hydrophilic properties, improves compatibility

with water

Univar Dynapak for Adhesives

Excellent barrier to moisture and gasses

Good mechanical properties

Strong adhesive properties to various surfaces

Resistance to moisture and aqueous chemical solutions

Low electrical conductivity

Low temperature liquidity and self-sealing properties

Non-drying, excellent UV stability

Appropriate Grades & Typical Values:

Properties Unit Test MethodUnivar Dynapak

230 640 4250

Molecular Weight GPC 930~970 1250 ~ 1350 3300 ~ 3700

Viscosity (100ºC) cSt ASTM D445 200~260 600 ~ 675 4000 ~ 4500

Flash Point (COC) ºC ASTM D92 200 210 260

Colour (APHA) Max. ASTM D1209 Max. 60 Max. 50 Max. 50

Pour Point ºC ASTM D97 -1 3 -

Water Wt. ppm ASTM D6304 Max. 50 Max. 50 Max. 50

Univar Dynapak for Sealants

Univar Dynapak is used for sealants as a tackifier and plasticiser by mixing with rubber/resin, base oil etc.

Type of Sealant Grade Properties & Functions of PIB in Sealants

Non-Drying Sealants

Univar Dynapak 5Univar Dynapak 30Univar Dynapak 190Univar Dynapak 230

Tackifier & plasticiser, chemical inertness, excellent non-drying UV stability, permanent flexibility, good shear stability

Polymer-Based Sealants

Univar Dynapak 5Univar Dynapak 30Univar Dynapak 190Univar Dynapak 230

Tackifier, plasticiser & extender, water resistance, chemical stability, resistance to weathering

Conventional Oil-Based Chaulks & Putties

Univar Dynapak 5Univar Dynapak 30Univar Dynapak 190Univar Dynapak 230Univar Dynapak 640

Tackifier & plasticiser, permanent flexibility, wide range of viscosities, prevents slump

Automotive Sealants Univar Dynapak 4250 Tackifier & plasticiser, waterproof & water resistant

Window Sealants (Thermoplastic Spacer) Univar Dynapak 4250 Tackifier & plasticiser, low temperature flexibility, prevents

wind & ingress dirt

Roofing Membranes Univar Dynapak 30Univar Dynapak 230 Prevents water ingress

Tire Sealant (Puncture Sealant)Univar Dynapak 230Univar Dynapak 640Univar Dynapak 4250

Tackifier & plasticiser, self-healing properties

Univar Dynapak for Sealants

Univar Dynapak is used in various electric insulations due to its purity and non-conductive/hydrophobic characteristics.

Good compatibility with cable compounds

Good electrical properties

Good water separation

Highly resistant to oxidation and ageing

Low toxicity and low chloride content

Low level of impurities

Great improvement of cable insulation resistance

Long-term stability and process consistency

Excellent stability during handling and processing

Univar Dynapak for Electrical Insulation

Properties Unit Test MethodUnivar Dynapak

30 230 640 4250

Molecular Weight GPC 550 ~ 570 930 ~ 970 1250 ~ 1350 3300 ~ 3700

Viscosity (100ºC) cSt ASTM D445 29 ~ 37 200 ~ 260 600 ~ 675 4000 ~ 4500

Flash Point (COC) ºC ASTM D92 165 200 210 260

Colour (APHA) Max. ASTM D1209 Max. 50 Max. 60 Max. 50 Max. 50

Pour Point ºC ASTM D97 -20 -1 3 -

Water Wt. ppm ASTM D6304 Max. 50 Max. 50 Max. 50 Max. 50

Appropriate Grades & Typical Values:

Type of Electrical Insulation Grade Properties & Functions of PIB in Electrical Insulation

Cable Jelly Compound

Univar Dynapak 30 Univar Dynapak 230 Univar Dynapak 640 Univar Dynapak 4250

Waterproof, prevention of cracks, thermal stability, low power factor

Cable InsulationUnivar Dynapak 30 Univar Dynapak 240 Univar Dynapak 640

Plasticiser for electrical insulators, anti-corrosive in PSA coating, self-healing properties, low temperature flexibility

Cable Oils Univar Dynapak 30 No impurities, low chloride content, power factor stability

Submarine Cable Insulating Oil Univar Dynapak 4250Low level of impurities, proper coefficient of thermal expansion, viscosity & density, superior electrical insulating properties

Condenser & CapacitorUnivar Dynapak 30 Univar Dynapak 640

Excellent thermal stability & oxidation stability, no impurities, superior electrical insulating properties

Univar Dynapak for Electrical Insulation

Electrical Insulation Properties Unit Test MethodUnivar Dynapak

30 230 640 4250

Power Factor (80ºC) % ASTM D924 < 0.01 < 0.005 < 0.005 < 0.005

Volume Resistivity (80ºC) Ω. Cm ASTM D1169 10 10 10 10

Dielectric Constant (80ºC) ASTM D924 2.18 2.18 2.19 2.2

Dielectric Breakdown Voltage (2.5mm) kV ASTM D149 40 40 50 50

Univar Dynapak is used for various applications such as Stretch Film, Polymer Modifiers etc.

Stretch Film Resin melt flow, elongation, tear resistance improvement Impact strength, low temperature flexibility improvement and haze removal

Asphalt Modification Low temperature flexibility and adhesion Improves tensile strength Good cold crack resistance Extends the lifespan of the Asphalt compound

Univar Dynapak for Other Applications

Resin Plasticiser Increased melt index and strength in the case of olefin and styrene resin Improves environmental stress cracking resistance Low temperature flexibility

Dispersing Agent Can be used as a dispersing agent for pigments and inks

Rubber Modifier Improves tackiness and lower temperature brittleness as a modifier Superior compatibility when rubber formulating Excellent tensile strength and elongation Improves low temperature flexibility Provides plasticity and adhesion

Univar Dynapak for Other Applications

Univar Dynapak

Applications 5 30 190* 230 470* 640 1600* 4250

Additives

Lubricants

Adhesives

Sealants

Electrical Insulation

Stretch Film

Asphalt Modification

Resin Plasticiser

Rubber Modifier

Suitable Grades & Typical Applications

* High Reactive Grades

All Grades & Typical Values

Univar Dynapak

Classification Unit ASTM 5 30 190 230 470 640 1600 4250

Molecular Weight Mn GPC 300 550 ~ 570 950 ~ 1100 930 ~ 970 1250 ~ 1350 1250 ~ 1350 2000 ~ 2600 3300 ~ 3700

ViscositycSt @40ºC D445 24 ~ 30 600 ~ 650 4100 ~ 4300 7100 ~ 7300 13500 ~ 14500 21000 ~ 23000 50000 ~ 54000

cSt @100ºC D445 4 ~ 6 29 ~ 37 175 ~ 205 200 ~ 260 400 ~ 450 600 ~ 675 1400 ~ 1800 4000 ~ 4500

Flash Point

(COC) ºC D92 140 165 220 200 240 210 260 260

(PM) ºC D93B 130 193 171 175 177 190 200

Vinylidene Wt-% 13C NMR 85 85 85

Colour (APHA) Max. D1209 Max. 50 Max. 50 Max. 60 Max. 60 Max. 50 Max. 50 Max. 50 Max. 50

Pour Point ºC D97 -45 -20 -2 -1 0 3 12

Loss on Heating Wt-% 2101 0.67 0.15 0.18 0.1 0.11 0.05

Water Wt-ppm D6304 Max. 50 Max. 50 Max. 50 Max. 50 Max. 50 Max. 50 Max. 50 Max. 50

Acid Value mg KOH/g D973 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01

Total Sulfur Max. ppm D2785 1 1 1 1 1 1 1 1

Dielectric Constant D924 2.18 2.18 2.18 2.19 2.19 2.2 2.2

Dielectric Breakdown Volt. kV D149 40 40 50 50 50 50 50

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