Document 5L4rMJX63Bma225eNe60mBkaJ

: * IN l b MONSANTO CHEMICAL COMPANY Organic Chemicals Division I St. Louis Research Department "**+'"* *- * 4V**' * St."Louis'Research De^/ReportW. 1806 - v .i- t- jU -4*. *. *P&% **-*- v . * *1- FINAL REPORT ON SALES SERVICE WORK ON FUNCTIONAL FLUIDS 1956 IBM Job No. 2-02-750.01-3133 i Hay 14, 1957 !*' flfH't H . : Reported by: J.D. Sullivan ' 114#it f45 ffj* !' *> r' > f. ' ` DSW 621193 h SfEifTf If? STLCOPCB4095223 STLCOPCB4095224 ' '`iff' STLCOPCB4095225 prf; Mi, fTT^'T- Vs^ye&tfrpgft-Wt -r*"--y~ ^ vw v ^ .*** have been added to Skydrol 7000," Pydraul P-9, 150 and 600 to compliment Monsanto's established line of functional fluids. Sky- drol 7000 is a fire-resistant aircraft hydraulic fluid and the Pydrauls are fire-resistantfIndustria1 fluids. In an effort to answer customer's queries concerning the life and utility of these fluids under specific operating conditions, samples of used fluids were evaluated for reuse, system deposits were analyzed and re covery techniques were Investigated. These activities have been labeled sales service work and are detailed in this report. SUMMARY Service was rendered to six companies on Skydrol 7000 and to thirty-four companies on the..Pydraul series. Additional samples were dispatched directly to the J.P. Queeny Analytical Laboratory and the results of these analyses were referred to the Sales Department for transmission to the individual customers. Such activities have helped in securing Monsanto's present position in the field and in the promotion of functional fluids. REFERENCES (1) Final Report "Hydraulic Fluids and Synthetic Lubricants" Job No. 117-2000 by' R. E. Hatton, May 15, 1952. (2) Final Report on Functional Fluids, Job No. 117-2360 by R. E. Hatton, May 21, 1953. (3) Final Report, "Functional Fluids - Application Researcr. 1932-1954", Job No. 117-2508 by R.E. Hatton, L.W. Bannister, rf.E. Koerner, O.B. Cecil195&..4,, * * - (4) Final Report, "Functional Fluids - Application Research 1934-1955", Job No. 2-02-750.01-2815 by R.E. Hatton, July 6, 1956. (5) Final Report "Navy Shipboard Fluid", Job No. 3011, Part ; November 11, 1955 by R.S. Mitchell. - .f v: (6) Final Report "Sales Service Work on Functional Fluids 1954-1955", Job No. 2633 by R.E. Hatton, April 2, 1956. EXPERIMENTAL WORK AND DISCUSSION References *to Memos* i ; tilt! U f i *\ Analyzing used fluids,, employed in various applications. gives .the. Sales Department - anj thdricu ;o offer a Dedal vserj|asi l/i trot rut lem DSW 621196 STLCOPCB4095226 m. , - ... w v'*" < - -. <Mi||Mr t i .. LMtldriS^o'f- fluids of'Immediate interest to pahtrctuar api?lica-` tions have been reported in memo form to the Sales Department for transmittal to the individual customer and the results of these analyses will not be repeated in this report. The attached table lists the customers concerned, a reference to the Monsanto personnel requesting the information and the date of the request. The Research notebook pages, on which the results of the original analyses were entered, are also listed for permanent record of ti.e problem. B. General Fluid Information (1) Pydraul F-9 (a) Transition Oil Application The recent sample of TCP (Tricresyl phospnatc) i-tceived from tne Arkansas Die Casting Company was entirely different in appearance and compatibility with transition fluid than the sampicpreviously submitted from the same source. The recent sample was a Dlack single layer fluid containing a substantial amount of finely dispersed foreign material. Filtration of the fluid through Dicalite~ rendered a clear brownish oil having a specific gravity of 1.1464 at 25/25C. Diluting the filtered fluid, 50% by volume, with Aroclor 1248 gave a llgnt brown clear oil having a specific gravity of 1.299-> at 25/25C. A similar dilution of the unfiltered TCP with Aroclor 1248 resulted in a slightly turbid dark brown fluid completely compati ble after a one-week shelf test. These formulations of Aroclor 124o and TCP are compatible in Pydraul F-9- . Since the specific gravity specification of Pydraul *F-9 Is 1.275 tor l*.295* the reported gravity, ofa' 50% by volume mixture of 1.148 TCP and Aroclor 1248 will serve as a convenient ._ method of calculating the required amount of transition oil (Aroclor 1248) required for this particular system. (b) Effect of Pydraul F-9 on Garlock 660 Gaskets Immersion tests on samples of Garlock 66u static gasxet material from Clearing Machine Company showed satisfactory dimensional stability in Pydraul F-9. Three samples of this packing showed no measurable change after being immersed in Pydraul F-9 at 150F. for 100 hours. Shore A hardness of both new and Pydraul F-9 aged sample^ was. 88-90^. | | ^f f ; (c) Pydraul3 with Nitric Acid, Liquid Oxygen or Methylene Chloride. ; ,~ [tlait lio DSW 621197 STLCOPCB4095227 ItlSi m Pydrauls ara fid^`cdfiSl:9S?eB,?toTbe- compatible with liquid oxygen in respect to explosive reactions. Pydrauls are fire-resistant fluids and can|be|oxidized. f t " ' * - f; ^ ' f- c 3. By experiment, Pydraul P-9 Is compatible with methylene chloride at room temperature in a 50:50 mixture. m ' fr ; f (d) Miscibility of Soluble Oil and Pydraul F-9 Following Is a discussion of the miscibility of soluble oil and Pydraul F-9. A .0. Smith Company of Houston, Texas submitted a sample of a soluble oil from Socony-Mobil which was used to lubricate bearings of butt welders. This oil was to be used in equipment in which Pydraul F-9 was proposed as the hydraulic fluid. Leakage of both fluids and water will be collected through settling pits and if possible, the Pydraul F-9 is recovered. The compatibility of the soluble oil and its interference with Pydraul F-9 separation from water were studied. The soluble oil was found to be miscible with Pydraul F-9 in 5, 10, and 25$ concentrations at about 50C. Separation occurred in all cases on cooling to room temperature. Five and ten percent solutions of soluble oil in Pydraul F-9 were prepared an- then shaken with ordinary tap water in 25, 10, 5, and 1$ concentrations. In all cases some foaming was observed, foaming being less at the lower concentrations. On standing overnight, the 1 and 5$ concentrations in water gave dear lower liquid layers. It would therefore appear that dilution of a 5 to 10$ solu tion of soluble oil'in Pydraul "F-9 with "a lai'ge raou5it of water (10 * to 100 volumes) would give a separable layer. To'"determine if the layer were principally Pydraul F-9, a 5$ solution of soluble oil in Pydraul F-9 was prepared, diluted with 20 volumes of water, shaken and allowed to stand overnight. The lower layer was separated. Such treatment reduced the specific gravity, 25/25C. from 1.2o5 to 1.26?. At least part of this reduction could be due .to water dissolution in the Pydraul F-9. * ' |. r < - In view of these experiments, it was recommended that, if such a system as proposed is used, the recovered Pydraul F-9 be analyzed before reuse. Only rather dilute! solutions of soluble oil in Pydraul F-9 should be allowed and dilutionl with large.amounts of water is required. ? f % ' v 5 'f * tf i . (2) Pydraul 150 1111 DSW 621198 STLCOPCB4095228 t, _wm. ._.,; ............. 3:Oneffem^^lwl^intalned%jnaet p . tte. '*4-' '--#vM condJ LohS-ferflfSOfndurs, and the'second sample was held"for 1100 hours. Pydraul|150 samples were exposed to the same^test condi tions in order tofdetdrmlne the increase in acidity due to heating alone. FollowingfareIthe results of these experiments. After 450 hours at l8oF. - The brass sample showed slight sign3 of staining, especially at the liquid level line. The corrosion loss was one milligram per 12 sq. cm. exposed area. There was essentially no acidity development due to heating Pydraul 150 for this period in the presence of the brass sample. After 1100 hours at l8oF. - Brass sample showed slight signs of staining, especially at the liquid level line. The corrosion loss was one milligram per 12 sq. cm. exposed area. The acidity of the Pydraul heated in the presence of the brass sample was only 0.09 NN, whereas the Pydraul alone had an acidity of 0.22 NN after being heated at l8oF. for 1100 hours. The acidity of the Pydraul 150 before heating was 0.07 NN. Since the corrosion loss was tne same after 450 hours and 1100 hours, the loss appears to be initial attack and is not-- considered excessive. The actual lowering of the acidities of Pydraul type fluids upon prolonged heating in the presence of metals, especially copper, has been observed before and this phenomenon is under study at the present time. (5) Emulsified Pyq,dul cQO A sample of Pydraul o00 taken from a Clearing Press at the East Hartford Works of Pratt and Whitney Aircraft was received as a complete emulsion. Filtering the entire sample through,.Whatman ^#2 filter paper*failed|to'break the emulsion. Following is the I analysis of the fluid after filtration through #2 Whatman. Spec. Grav. at 25/25C. Moisture Acidity 10..22809/4 0.01 NN Filtering the emulsified fluid through Dicalite 586-B resulted in a fairly clear yellow fluid having the following physical properties. - Spec. Grav; at 25/25C, Moisture i . i i t * < IMf 4 1.2780 , p .09/ i -* * * MM The^specific gravity specifications for Pydraul 600 are .from 1.557 to 1.565 at^5/25^C,. .Although Tlltratlon thro-' ~ jketth mlotm\ m t i,f.a idubedl the | mo iy|ri ; (ani the if1 om 5*1 li DSW 621199 STLCOPCB4095229 t -urm=* Effect of Pydraul AC on.Synthane Rotary: Compressor Blades * ;i ? ' ' * A synthane rotary compressor blade was -submitted by the Worthington Corporation of Harrison, New Jersey to check its resistance to the action of Pydraul fluids. This composition vane, from the high pressure element of a Puller air compressor, was essentially unaffected after immersion in Pydraul AC (OS-67) at 150C. for 50 days. (5) Skydrol 7000 Effect of Skydrol 7000 on Noeltlng-Faultless Casters A Noelting-Faultless Caster, PR 3 x 1-1/4", was immersed in Skydrol 7000 for ten days. The combination of caster and Skydrol was held at 4ocC. (104F.) in an electricallly heated thermo statically controlled oven. This treatment resulted in no change in physical dimensions pf the caster, practically no change in physical appearance, and no significant change in hardness as measured by the Rockwell Hardness Tester. Based on these data, it can be said that soaking the caster in Skydrol 7000 at 4oC. for ten days results in no significant change in the caster. (6) Shelf Test or. Irus 002 Long term shelf tests on Irus 902, a water-oil emulsion fluid, produced by Shell Oil Company, were conducted to determine the emulsion stability of the new fluid. Shell's Irus Fluid 902 settled into a double layer separated by a substantial,Interface. * The separa *r- *i: - tion began in one day and at the end cf three weeks the top layer was about 2356 of the original volume. ACKNOWLEDGEMENT The analyses performed by the members of the J. F. Queeny Plant Analytical Laboratory are gratefully acknowledged. ** , * J.. D.i Sullivan I j DSW 621200 i STLCOPCB4095230 I fi i .. .. 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