This process creates a polymer backbone where oxygen is every third atom, which gives PAG basestocks their distinctive chemical attributes and allows formulators to synthesize various combinations of starters and monomers (block, random, and homopolymer) to create custom basestock types for specific applications. Working in conjunction with the Union Carbide Chemicals, Plastics Company Inc., and the Mellon Institute of Industrial Research, the USNRL developed the first water-glycol, PAG-thickened, fire-resistant hydraulic fluid (WGHF). A solution, developed by Renewable Lubricants Inc. (RLI) with assistance from Chevron Phillips Chemical, is the use of Synfluid PAOs combined with biobased oils and specially designed additives. from application/x-indesign to application/pdf 0000000549 00000 n If a certain application can sacrifice a 10 15C increase in the pour point, then there is as much as a 25% improvement in volatility, as shown in the chart below. They are also employed as base fluids in some wide temperature range greases. Group III mineral oils and Group IV PAOs are not of the same quality. 0000035588 00000 n <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 163 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> Typically, as the viscosity drops, the volatility increases. Better heat transfer coefficients, increased lubricity and the basic chemical structure of PAOs all contribute to the lower temperature in the gearbox. application/pdf M/ B#z9lBGaB=]yz!sG !*, general guideline for pump material selection, from application/x-indesign to application/pdf. Well be happy to help you solve your lubricant concerns. 0 More importantly, however, was product performance. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. 0000012483 00000 n This clearly shows that a PAO base oil substitution can significantly lower operating temperatures of the gear box and extend the required maintenance interval. The term synthetic hydrocarbon (SHC) is a general term. 0000034289 00000 n This property coupled with excellent oxidative stability provides a formidable component in an engine oil formulators toolbox. <> 0000042568 00000 n Disadvantages of PAG-based lubricants are summarized in Table 3. Volatility is a concern for many applications, especially where higher operating temperatures occur or longer service life is desired. 2023 Access Intelligence, LLC - All Rights Reserved. 0000003482 00000 n These are areas where PAOs excel. 2 shows the flow chart for producing Cu nanolubricants. Their polymerization can benefit greatly from the development of highly active and highly selective catalysts, as the catalysts strongly affect their properties. Understanding the advantages and disadvantages of each can help end-users decide which option is best for a given application. Synfluid PAOs also have a very high degree of saturation, which in lubricants provides oxidative stability. Chemical Compatibility Guide; what chemicals to use; guide for chemical uses; general guideline for pump material selection; material chemical compatibility The PAOs . Thats a hot topic! Polyalphaolefin does not contain ring structures, double bonds, sulphur, nitrogen components or waxy hydrocarbons. Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. But what happens below 40C? The differences in flash, fire, volatility and viscosity highlight the flexibility benefits of using a Synfluid PAO. Our C10-based products, commercialized in the 1970s, were the first in the market. The chart below shows pressure coefficient comparisons between PAOs and Group III mineral oils versus pressure: Gear systems are specially designed and require highly specialized lubricants. Our C12-based grades further improve flash/fire points by as much as 10 percent over other commercial polyalphaolefins. When you compound this with difficult operating conditions, such as extreme temperatures, high loads or extended operations, a high-quality base oil may be necessary. Aluminum is compatible with fluids such as polyalphaolefin (PAO), oil, ethylene glycol and water solutions (EGW), as well as Fluorinert, an electrically insulating inert perfluorocarbon fluid manufactured by 3M and used in many electronics cooling applications. Using PAOs with biobased oils can provide both high performance and biodegradability. proof:pdf Therefore, reducing the temperature is generally beneficial in extending the life of a lubricant. Air is usually a really poor lubricant, so your frustration is understandable! 0000004079 00000 n Synfluid PAOs are crafted from an on-purpose process that yields a consistent, high-quality product. <>stream Whether its transportation or industrial lubes, greater fuel efficiency means lower operating costs. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability. Its estimated that over 100 million gallons of fluids leak from hydraulic machinery and other lubricant equipment in North America each year! For instance, boosting the additive package with an additional 0.4% aminic antioxidant, in combination with the Synfluid PAO base oil, achieved a 35 percent improvement in HPDSC results. All rights reserved. These requirements or specifications will generally identify or recommend a product type (mineral oils, synthetic fluids, or bio-based fluids) and the proper performance requirements (developed into the lubricant by the component chemistry) to allow the machinery to run at an optimum level. High energy costs have hit both businesses and consumers hard, and the pressure is on to conserve. With the powerful combination of MOLYKOTE. The grease is then inspected for visual abnormalities and can be tested for penetration and four-ball wear change. Sustained operations at elevated temperatures increase the rate of oxidation and other degradation reactions. 0000134768 00000 n PAG-based lubricants have excellent viscosity indices significantly better than PAO-based lubricants of the same viscosity grade. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw ; !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? Lack of mineral oil solubility is a barrier to expanded use of PAG-based lubricants. <> False Driveline specifications continue to become more stringent. Synfluid PAOs have very narrow molecular weight ranges, which are attributed to our high-purity feedstocks. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. xref Since we use essentially pure 1-decene or 1-dodecene to produce Synfluid PAOs, there is a narrow isomeric distribution for each oligomer. Furthermore, these new formulations allow a range of ISO viscosity grades. Dominant in a commercial sense are polyethylene and polypropylene. The trend falls short when comparisons are made between PAOs and mineral oils, based solely on the VI. Lower-viscosity PAOs have a unique property of biodegradability. A product developed by Renewable Lubricants Inc. (RLI), with assistance from Chevron Phillips Chemical, uses Synfluid PAOs combined with biobased oils and specially designed additives. 232 0 obj <> 101 0 obj We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. default PAO fluids are classified as a Group IV base oil and are made by a two-step reaction process using linear alpha-olefins like 1-decene. Chemical Compatibility Guide endstream endobj 12 0 obj<>/Metadata 9 0 R/AcroForm 13 0 R/Pages 7 0 R/Type/Catalog>> endobj 13 0 obj<>/Encoding<>>>>> endobj 14 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 15 0 obj[/ICCBased 38 0 R] endobj 16 0 obj<>stream 0000003221 00000 n The viscosity at an extreme pressure (hp) changes exponentially with pressure (P) as described in the following formula: a is the pressure coefficient for a base oil. Chevron Phillips Chemical has consistently said that we would bring something to the market when we could provide products that are unique and offer advantages to our customers. Jun 09 Comentarios desactivados en polyalphaolefin compatibility chart. They have different characteristics, meaning that one may be superior to the other under certain circumstances. 0000031839 00000 n what chemicals to use Using the same PAO, we achieved 15 percent higher oxidative stability by increasing the A.O. Our customers quickly realized the advantages in volatility, low-temperature viscometrics, VI and flash and fire points in equiviscous blends compared to 1-decene-based materials. Ethylene is produced by cracking either crude oil or natural gas. 0000001332 00000 n P.V.C. PAO-base oils help improve fuel economy in engine and drivetrain oils by reducing viscosity, volatility and traction coefficients as the chart below shows: These results show the potential for reducing friction loss using PAOs, which also typically have lower pressure-viscosity coefficients than mineral oils reducing elastohydrodynamic gear friction losses and energy consumption. Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. Specific heat is the amount of heat per unit mass required to raise the temperature one degree Celsius. This will increase the dependence on high-quality base oils such as PAOs. Although VI is an important indicator, when used alone, VI is misleading. trailer A similar approach can be applied to your formulations or applications. Synfluid PAO improves finished lubricant performance when formulated into biodegradable and biobased lubricants in low-temperature viscometrics and oxidative stability. As fluids flow throughout the equipment, they travel through various lubrication regimes and shear environments, resulting in viscosity changes for non-Newtonian fluids. 0000013783 00000 n Let us help you. endobj %PDF-1.4 % It is true there are many high-quality base oils around, but the highest quality is still achieved when Synfluid PAOs are chosen. Furthermore, thermal conductivity at 300F for PAO 6 is 0.085 compared to 0.071 Btuft/(hft2F) for an equiviscous mineral oil, which means that the PAO can conduct 20percent more heat than the mineral oil for better heat dissipation. One reason for moving to low-viscosity oils is to focus on initial and long-term fuel economy. %PDF-1.4 % Some of the disadvantages of PAO-based lubricants are outlined in Table 6. While pour point is one consideration, a formulator has to take into account the total specification needs. 179 0 obj 102 0 obj endobj PAO quality is unrivaled in the industry. The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. To improve seal compatibility of PAO-based lubricants, an ester is added to . It is really the formulators preference whether to increase the longevity of a vehicles moving parts, haul a heavier load, or save money at the fuel pump. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. You bet! There are other advantages, such as oxidative and thermal stability, which you would naturally expect from a PAO-based product. trailer <<1656AD0EDA344239AE3641B5710538C3>]/Prev 1036271>> startxref 0 %%EOF 296 0 obj <>stream &&3#-j`t$f>3+Jo>9rTj!ft%lA+:k$BshQ(I"&sKH9~p0njga4Z#Sm!2Y-r+E)9]m%nFA}O3>Jo#iW/1Pxq5GJ1\/n.n_>$}RX\~7Zjqh=b$@t%W8zRu{@ BZfUq(_}I/0]J6AX8*sa}5b\$d`6."$? Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. They're found in everyday food and available as supplements. Specifically, soybean-derived oils or other bio-derived oils alone would not meet some oxidative stability and low-temperature performance requirements. Aviation hydraulics require the use of PAOs because of the inherently high flash/fire points and low volatility. Give us a call. 0000022832 00000 n Getting the air to release from the lubricant is vital to allowing the lubricant to do its job. The lower volatility decreases oil replacement costs by reducing oil consumption. Cant find what youre looking for? Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. Furthermore, the arbitrary distinction of 120 VI between Group II and III oils makes the quality requirements even more confusing. Nine standard circulating fluids including d-Limonene, FC77 Flourinert, Galden, Lexol 408, Paratherm CR, Coolanol and PAO. 0000004340 00000 n 178 0 obj Focusing on the components of the additive package can further influence the performance of the formulation.