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Shell Marine Lubricants Pocketbook is the guide to know-more about lubrication by SHELL
Shell Lubricants Product Handbook
Synthe ynt heti tic c Lubri Lub rica cants nts
Contents •
Wha hatt is is mea meant nt by sy synt nthe heti tic c lu lubr bric ican ants ts
•
Typ ype es of sy synt nth heti tic c lu lub bri ric cant nts s
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Synt Sy nthe heti tic c lu lubr bric ican ants ts ma manu nufa fact ctur urin ing g
•
Advantages of POAs
•
POAs - Egypt product line.
•
Hist sto ory of high pe perrfo form rma ance ce..
What hat is i s mea meant by synthe syn thetic tic lubrica lubr icants nts
Why should I pay more for Synthetics? Why are synthetic lubes so popular? Ar e SHC’s Magical?
4 February 2003
ExxonMobil Use Only
•
Syntheti Synth etic c lub lubric rican ants ts are che chemic mical al com compou pound nds s man manufa ufactu cture red d by by intended chemical reaction to predetermined specifications.
•
The bas The base e sto stock ck st stru ruct ctur ure e is is plan planne ned d and and ta taililor ored ed to yield predictable properties.
•
Syntheti Synth etic c lub lubric ricant ants s are are a blen blend d of syn synthe thetic tic bas base e stoc stocks ks and additives to enhance performance: - Ca Can n be be a mi mixt xtur ure e of of syn synth thet etic ic ba base se st stoc ocks ks.. - Can be com combin bined ed wit with h mine mineral ral oil oil.( .( Se Semi mi syn synthe thetic tic))
Types ypes of synthe syn thetic tic lubricants lubr icants
The main types of synthetics are: o
Synthesized hydrocarbon fluids. (SHCs or SHFs)
o
PAO. Alkylated aromatics. aromatics.
Polybutenes.
Cycloalipahatics.
Organic esters.
Dibasic esters.
Polyol esters.
o
Polyalkylene glycols (PAG)
o
Phosphate esters.
o
Others.
Synthe ynth etic lubric lub rica ants manuf manufa acturing ctur ing POA manu manufactu facturi ring ng Gas & Light Fractions
LPG
Ethylene Kerosene Light Diesel Heavy Diesel Mineral Base Oil Asphalt Crude rud e oil
Distillation Column
Petrol
POA manu manufactu facturi ring ng
R - CH = CH2
Polymerization Hydrogenation
CH3
R
Hydrogenated trimers, tetramers, etc.
Alpha-olefins Alpha-olefins
1-Dec en e
R - CH CH2 - CH H
Po l y d ec en e
“ Idea deal” l”
x
Organic esters manuf manufa acturin ctu ring g
R - OH
+
O R1 - C - OH
O R1 - C - OR
Acid
Ester
Alcohol
+
H2O Water
Polyglycols olygl ycols manufa manufacturi cturing ng All c o h o l A
A l k y l en Al ene e oxides
+
H
O R - OH
+
H-C-C-H H
Polyalkylene oxide
R1
H
R-O- C-C-O-H H
R1
n
Ad A d v ant an t ages ag es o f POAs POA s Vs Min Mi n eral er al Oi Oill s •
Higher Vi Viscosity In Index.
•
Bett Be tter er th ther erma mal/ l/ox oxid idat atio ion n st stab abililit ity. y.
•
Bett Be tter er lo low w tem tempe pera ratu ture re pr prop oper erti ties es..
•
Lower volatility.
•
Summary.
Higher ig her Vis Visco cosi sity ty Index INCREASING VISCOSITY
SUPERIOR FLOW
Mineral
•High in inherent herent VI of PAO results re sults in supe superior rior low temperature tempe rature fluidi ty combi ned with increa i ncreased sed lubrication lubr ication propertie pro perties s at at high tempe temperature ratures s which whi ch leads lea ds to to : •Superio uperiorr wea wearr protection.
POA INCREASED PROTECTION
INCREASING TEMPERATURE
•Long service lif life e& reduced consumption.
Better Better thermal/ thermal/oxi oxida datio tion n sta st ability bil ity Oxidation Stability VISCOSITY INCREASE DUE TO OXIDATION, %
ASTM A STM D 2893 TEST TEST
150 MINERAL OIL
Inhibi ted PAO PAO off offers ers superior superio r 100
oxida oxid ation resista resistance nce to minera m inerall oil and reduced deposit deposit formi ng tende tendency ncy..
50 PAO
0 0
20
40
HOURS AT 98.9 C
60
80
Better Better thermal/oxidation thermal/oxidation s tabil tability ity
PA O Chemical Structure E n e r g y
Difficult To Break Strong, Single Bond.
Mineral Base Oil Chemical Structure E n e r g y
Double Bond More Prone To To Break/Oxidation. Break/Oxida tion.
Better low te t emperatu mperature re prop pr ope erties rt ies
High visco sity ind ex – Less VI improver required, less deposits,more likely to stay in grade.
•
Good volatility – More likely to stay in grade, low fire hazard.
•
Low pour point – Better low temperature fluidity. (pour point -57°C) – Better starting performance, reduces r educes wear. – No requirement for immersion heaters he aters during storage.
•
Oxidation stability – Lower levels of sludge, deposits and varnish. – Longer drain intervals
POAs - Egypt product produc t line •
Mobil 1 0W-40
Gasoline engines
•
Mobil Delvac 1 SHC 5W-40
Diesel engines
•
Mobilube 1 SHC 75 75W-90
Differential & FD Oil
•
Mobil Ra Rarus SHC 10 1000 Series
Rotary screw compressors
•
Mobil SHC 600 Series
Gears & bearings
•
Mobilgear SH SHC Se Series
Open gears & bearings
•
Mobilith SHC Series
Greases with POA base oil
History ist ory of high h igh performance performance •Early 1960’s •Early 1960’s — Mobilg Mobilgreas rease® e® 28 developed developed for carrier-based aircraft wheel bearings •Late 1960s 1960s — Mobil uses synthetic synthetic base-flu base-fluid id technology technology to enable North Slope oil rigs to start at -40°F •1973 — Fully synthe synthetic tic Mobil 1 motor motor oil introduced introduced •1976 — Mobil SHC SHC 600 series series synthetic synthetic industri industrial al lubricants first marketed •The ultra-low temperature capabilities of Mobil synthetic lubricants led to their selection for the NASA space shuttle •1998 — Mobil SHC SHC 600 Series Series industrial industrial lubrican lubricants ts updated for improved performance •1999 — Ongoi Ongoing ng research research into reducing reducing engine wear wear led to the introduction of Mobil 1 Tri-SyntheticTM Tri-SyntheticTM •2002 - Furth Further er research research into reducing reducing engine engine wear led to the introductio introduction n of Mobil 1 with SuperSynTM SuperSynTM techn technology ology
