With regard to performance, PAOs are able to maintain excellent thermal and oxidative stability as well as the low-temperature benefits they are known for. In contrast, a mineral oil will require various antioxidants depending upon the structural makeup. proof:pdf %PDF-1.4 % Dominant in a commercial sense are polyethylene and polypropylene. This lowers their volatility, creates less hydrocarbon tailpipe emissions and raises the flash point. End-users must first select a lubricant based upon its intended application, such as engine oil, transmission oil, hydraulic oil, wire rope lubricant, electric motor grease, etc. Process Chemical Compatibility Guide 0000162144 00000 n Satisfactory to 72F (22C) 2. With regard to performance, PAOs are able to maintain excellent thermal and oxidative stability at high operating temperatures in addition to the low-temperature benefits for which they are known. Copyright 2023 Chevron Phillips Chemical Company LLC. Finally, greater oxidative stability extends oil life and keeps the compressor clean for a longer service interval. The second step is the hydrogenation of the remaining double bonds (unsaturation) in the oligomer and subsequent distillation to separate the unreacted monomer and light-viscosity grade PAO. 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. All rights reserved. All rights reserved. 180 0 obj A Group III mineral oil with a 0.1 percent PPD achieves an improved pour point, but to the detriment of the low-temperature viscometrics. Synfluid PAOs, in addition to NSF H1 qualification, are also available as kosher approved products. Chemical Compatibility Guide Oxidative and other lubricant degradation mechanisms would follow the same trend. 0000017608 00000 n 0000017423 00000 n %%EOF Business never stands still, but you can always count on dependable Chevron Phillips Chemical Synfluid PAOs. startxref This provides several advantages, one of which can be illustrated by gas chromatography. Furthermore, we are able to achieve these properties with non-decene alpha olefin feedstocks while providing advantages over existing products and extending feedstock supply. There are multiple considerations when determining the best synthetic lubricant for a particular application, but knowledge of the general properties of the synthetic lubricant types being considered is the starting point. 3.0 CHEMICAL COMPATIBILITY GUIDE FOR METALLIC MATERIALS In addition to this chemical compatibility chart, report TR-60C, Bal Seal has two other reports: report TR-60A "Chemical Compatibility Guide for Bal Seal PTFE, Filled PTFE, and Polyethylene Seal 4 6 Our C10-based products, commercialized in the 1970s, were the first in the market. 177 0 obj endobj Later used in many industrial applications from compressor, hydraulic, and turbine fluids to gear oils and metalworking fluids. Heres an overview of our production process: Copyright 2023 Chevron Phillips Chemical Company LLC. Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. Furthermore, these new formulations allow a range of ISO viscosity grades. Use this chart to help guide your component selection. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched, non-ring) structure found in mineral oils and so corrects for many disadvantages of using mineral oil lubricants, including poor low-temperature fluidity, poor viscosity index, sludge deposits, and high volatility. D = Severe Effect, not recommended for ANY use. 0000001216 00000 n These excellent pour points are achieved while increasing the viscosity indices (VI) over traditional HV PAO. PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. Ethylene glycol dimethacrylate is the enoate ester that is the 1,2-bis (methacryloyl) derivative of ethylene glycol. 0000000016 00000 n Synthetic lubricants can be very different chemically and what defines those differences are the basestocks used as the basis for the lubricant. polyalphaolefin compatibility chart. If you would like us to test your formulation or have questions about our formulating experience, give us a call. The limits on lowering the viscosity grade are tied to the base oil properties. 0000007470 00000 n California Transparency in Supply Chains Act Disclosure. PAG-based lubricants are commonly used in compressors, gearboxes, air conditioning systems, metalworking, quenching, and hydraulic systems where fire-resistance or environmental acceptability are required. This resistance to fire and flame propagation improves the margin of safety in the event of a hydraulic leak. To get a superior lubricant, you need to start with a superior base oil. <> They're found in everyday food and available as supplements. These are areas where PAOs excel. endobj As an example of the improved low-temperature torque properties of the PAO-based grease, the chart below shows torque values for Chemtools CSC 980 grease under ASTM D 4693 test conditions for rotation of a wheel-bearing assembly at -40C. trailer Better heat transfer coefficients, increased lubricity and the basic chemical structure of PAOs all contribute to the lower temperature in the gearbox. Because of their controlled structure, PAOs do not contain lighter, more volatile (small) hydrocarbons. <]/Prev 170099>> <> Youre not kidding! While typical hydraulic oils are not biodegradable, this new system achieves the ultimate biodegradation rating (ASTM D5864 PW1) and even improves several performance parameters, not previously attainable. General properties of low- and high-viscosity conventional PAO, and metallocene-catalyzed mPAO basestocks, are shown in Table 4. 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. From then on, the company introduced 1-dodecene-based PAOs in 1995, which have grown steadily in popularity. A drop-in replacement for petroleum, it's used in countless applications in many industries. The chart below shows biodegradation test results for Synfluid PAO 2.5, 4 and C12 Dimer, which indicate that these products could qualify as inherently biodegradable according to the ASTM D5864 test method. The VI of PAOs typically only varies one to two points. Jun 09 Comentarios desactivados en polyalphaolefin compatibility chart. PAO-based greases are typically used at temperatures over 100C because of thermal and oxidative concerns. This is the case for blending Synfluid PAO 5 and PAO 7. A similar approach can be applied to your formulations or applications. Synfluid PAOs have very narrow molecular weight ranges, which are attributed to our high-purity feedstocks. Compatibility testing is the best option. To mitigate this effect, We recommend taking a look at Synfluid PAO 5 and PAO 7, due to their excellent Noack volatilities of 5.5% and 2.3%, respectively. The use of mineral oil-based lubricants in the world, however, is decreasing. Chevron Phillips Chemicals Synfluid mPAO 65, 100 and 150 cSt products have very high viscosity indices and lower pour points than other HV PAO products. 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. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. Both basestock types have low volatility and high fire points (when stabilized) for a given viscosity grade. DuPont, the DuPont Oval Logo, and all trademarks and service marks denoted with , or are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted. The more EO monomer in the basestock, the more water-soluble; the more PO monomer, the more water-insoluble; and the more BO monomer, the more oil-soluble the basestock is. Synfluid PAOs are designed to provide stable viscosities at low temperature and excellent viscometrics and deliver oxidative stability. As the chart below shows, greater energy efficient, lower viscosity oils can be made through the selection of PAO, without sacrificing volatility. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 161 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> For instance, excellent water separation improves compressor operability by reducing the chance of emulsion formation. Give us a call, and well be glad to discuss your applications and provide technical help. The PAOsare produced through synthesizing oligomers of either 1-decene or 1-dodecene. PAOs help to balance the protection and energy conservation requirements in equipment because they are more Newtonian than mineral oils. Rotary screw compressor oils formulated with PAO offer performance benefits not obtainable with a mineral-oil-based formulation. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. The chart below illustrates how Chevron Phillips Chemical has come up with an economical solution to a VW T-4 engine test. We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. 99 0 obj Understanding the advantages and disadvantages of each can help end-users decide which option is best for a given application. Adobe PDF Library 10.0.1 In our experience, some commercially available additive packages are designed to take better advantage of a specific base stock. In the chart below, we highlight how moving from a decene-based Synfluid PAO 6 to an iso-viscous dodecene-based fluid (resulting from a blend of PAO 5 and PAO 7) leads to a dramatic increase in VI. For example, one would not be able to make an 0W-20 oil with a C12-derived PAO as the viscosities are too high. However, VI doesnt tell the whole story it only reflects the viscosity/temperature relationship between 40C and 100C. 2013-07-10T14:05:23-05:00 III F challenge formulators, and their suppliers, to step up performance for the next generation of engine oils. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. The absence of these structures and materials results in a very non-polar base oil with a high viscosity index (of approximately 130), excellent low-temperature flow and pour-point characteristics, good oxidation stability and compatibility with mineral oils, paints and seals commonly found in lube oil systems. Certainly! Using the same PAO, we achieved 15 percent higher oxidative stability by increasing the A.O. Fluid distribution panels are also discussed. 0000103071 00000 n 175 0 obj Address specific system site conditions (potential for water ingression). There are emerging markets that demand the improved VI and volatility that only the C12-based PAOs can deliver. Glad you asked! 0000001726 00000 n polyalphaolefin compatibility chart. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. Why does this happen? Use of PAG-based fluids and lubricants began to extend to other applications, first to quenchants and textile lubricants, then to many other lubricant categories, including anhydrous fire-resistant fluids, gear, compressor, and turbine fluids. PAG basestocks are synthetic polymers manufactured using a polymerization process that combines monomers ethylene oxide (EO), propylene oxide (PO), and butylene oxide (BO) singly as homopolymers or in combinations to form a growing chain from a nucleophilic starter molecule, commonly an alcohol. The plot below shows a comparison of the air release times exhibited by ISO VG 320 blends composed of our Synfluid mPAOs, and traditional HV PAOs with PAO 8 cSt. Due to this incompatibility with many but not all PAG lubricants, system change-outs from mineral oil to PAG-based lubricants may be costlier and take additional time. For other applications, PAOs safe and non-toxic nature allows them to be used where incidental food contact certification or kosher approval is necessary. PAO basestocks using conventional catalysts are commercially produced in five low-viscosity grades and two high-viscosity grades to a maximum viscosity of 100 centistokes (cSt) at 100C. (2;2222;;;;;;;;;;;;;;;;;@@@@@;@@@@@@@@@@@@@@@@@@@@@ " B Low molecular weight compounds will degrade other performance requirements, such as volatility, flash and fire points. Whether its transportation or industrial lubes, greater fuel efficiency means lower operating costs. Research at the U.S. There are other advantages, such as oxidative and thermal stability, which you would naturally expect from a PAO-based product. concentration from 0.5 percent to 1 percent. And we pioneered and patented our unique C12-based PAOs in the 1990s. Using Chevron Phillips Chemical Synfluid PAOs, OM Group (OMG) has developed a revolutionary new, lower-temperature, abbreviated process for producing greases. One key advantage PAOs have over mineral oils is a greater ability to dissipate heat. The chart below shows how Synfluid PAOs can help meet these challenges with the excellent volatility properties of our PAO 5, 7 and 9 cSt grades. The key to unlocking the full potential of your formulation requires using the right combination and concentration of antioxidant and Synfluid PAO. converted As the viscosity grade decreases, the volatility and high-temperature/high-shear viscosity will be limiting factors. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. These combined benefits provide the properties required for severe service applications and extended drain intervals. The information listed in parentheses is D-1418 nomencalture, common acronyms or common trade names. 142 0 obj <>stream 0 Synthetic lubricants can meet these demands because they perform better than mineral oil-based lubricants in many or all the critical performance areas: reduced wear and friction, resistance to sludge formation, lower volatility, greater corrosion protection, and improved thermal and oxidative stability. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. Low-viscosity Synfluid PAOs are both NSF H1 and HX-1 registered.