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BUSINESS CONFIDENTIAL MEMORAN DUM MONTHLY REPORT TO: Dr. C. K. Fink FROM: W. H. Bauer DATE: August 31, 1967 SUBJECT: Vinyl Resin and Plasticizer Summary - Tarrytown Technical Center, August, 1967 ___________________________________________ CALENDERING, FLOORING & RECORDS RESINS FOR C.F. & R (333 A 90) 1. MODIFIED PROCESS-7 RESINS The dry-blend performance of Process-7 suspension poly (vinyl chloride) has been considered marginal for many applications and has restricted sales in such areas. It has been demonstrated that the inclusion of small amounts of ethylene (0.3% to 0.5%) significantly improves this property. To assess the full effect of this modification, Dean Richardson's group prepared six resins in the 600 gallon autoclave in Texas City with die following results: Type Inherent Viscosity Per Cent Ethylene Dry-Blend (Min/T) QEX - 1287 QEX - 1302 QEX - 1303 QEX - 1304 QEX - 1301 QEX - 1299 QYTQ - 7 QYTQ - 7 QYSC - 7 QYSC - 7 QYSL - 7 QYSL - 7 0.95 0.98 1.15 1.15 1.34 1.31 ^ . 5.7/85 0.4 4.5/81 -- 8.9/85 0.6 7.3/85 -- 10.6/87 0.6 7.1/88 In the evaluation at Tarrytown the apparent melt viscosity of each sample was determined at 20, 40 and 60 FHR with FLEXOL DOP. In the cases of the QYTQ - 7 and QYSC - 7 couples, results at each concentration were within the limits of experimental error. The constant variation of about 100 m-gms torque in the QYSL - 7 couple, the ethylene modified version being lower, is attributable more to the difference in inherent viscosity than to the presence of die comonomer. The processibility of the low ethylene polymer should be, therefore, indistinguishable from the conventional homopolymer. ucc 042285 2. The six resins were also evaluated for plate-out tendency using the Ford test procedure. In the cases of QYSC - 7 and QYSL - 7, plate-out resistance was improved by the inclusion of ethylene; in the case of QYTQ - 7, equivalent per formance was observed. It was concluded that the ethylene has no detrimental effect on plate-out. The limited data preclude judgment that a beneficial effect is mani fested in all cases. There appears no reason, on a performance basis in vinyl com pounds, not to consider the introduction of low ethylene FVC's as a direct replacement for conventional homopolymer. (W. H. Bauer, A. W. Conkling) 2, PLATE-OUT, FORD MOTOR COMPANY (QYTQ - 7) A practical solution to the plate-out problem still eludes us. The chemical compound in the degraded sample of Ferro 1212A was suspected to be di phenyl phosphite (no thanks to Ferro who has ignored our request for assistance). The addition of 0.25 FHR of this material to the vinyl compound resulted in reduction of plate-out to an almost non-existant level. As determined by high speed mill tests, however, adverse effects on heat stability precluded use at this concentration. At 0.1 PHR, there was no effect on heat stability, but only a slight improvement in plateout, enough however, to pass the Ford test. Dean Richardson was asked to prepare a sample of QYTQ - 7 incorporating 0.1 per cent diphenyl phosphite in the polymeri zation recipe. The bomb run went normally and a five pound sample was sent to Tarrytown. No beneficial effect on plate-out was noted. The significance of this re sult is being studied. Conventional homopolymer QYTQ - 7 continues to fail plate-out at Ford. Blend 306, while excellent in other resin properties, was slightly poorer in plate-out than the new Ford standard. To calibrate our program. Ford's Mt. Clemens laboratory checked Blend 306; it failed. The only immediate hope is that the addition of 0.3 - 0.5 per cent ethylene to QYTQ - 7 in the production autoclaves will produce the effect noted for QYSC - 7 and QYSL - 7 prepared in the pilot plant if we are to secure approval of TQ - 7 at customer by the end of September. (W. H. Bauer, W. B. Drozdowski) FILM AND SHEETING (333 B 50) 1. HAARTZ AUTO FABRICS, NEWTON, MASSACHUSETTS Assistance is being provided this customer in their changeover from plastisol to dry-blend extrusion. Limited laboratory back-up is being provided to assure that QYSC - 7 is the optimum compromise between processibility and heat ucc 042286 3. sealing performance. Hie new resin potential here is estimated at 1 - 1.5 MM #/year. A second problem at Haartz relates to adhesion of Landau tops. Water wicking between top and metal roof is causing rusting and delamination. Edge sealing in manufacture is one solution. Customer is interested in adding a small amount of a high migrating plasticizer which will go into rubber and then into adhesive layer. FLEXOL 10-A and/or EP-8 have been suggested. (W. H. Bauer) 2. HARTE AND COMPANY, BROOKLYN, NEW YORK Analysis of a competitive (to Harte) sample of vinyl film used in electrical tape revealed that the plasticizer was solely a sebacic acid polyester. Harte & Company requested the analysis after being rejected as a supplier on the grounds of poor low temperature flexibility. (E.B. Harris) FLOORING PLASTICIZERS (333 D 50) 1. ACETOXYETHYL, 2-ETHYLHEXYL FHTHALATE Performance characteristics of plasticizer AEOP have been deter mined in vinyl asbestos tile. Technical Service Reports are being prepared for the introduction of the experimental plasticizer to selected tile producers. (L. G. Krauskopf) 2. AMERICAN BILTRITE RUBBER COMPANY, TRENTON, NEW JERSEY This customer requested a chemical analysis of a solid/liquid mixture which had been collected from the underside of resilient vinyl tile installed over concrete, below grade. The liquid portion of the sample was found to be 72 per cent by weight water and 28 per cent soap of acids in die C^ - C^g range. No plasticizers or plasticizer components were found in the liquid. It appears that the failure of tile installation is not a result of decomposition of components in the vinyl tile. (L. G. Krauskopf) I. ICC 042287 4. MOLDING & EXTRUSION (211 E 50) 1. W. R. GRACE COMPANY, CHICAGO, ILLINOIS The failure of BAKELITB Resin QSAP - 7 to replace "Geon" 101 EP F-12 in the dry-blend extrusion of water stop remains under investigation. It appears that the cause of the problem lies in the bulk density characteristics of the dry-blend prepared in the intensive mixer, which cannot be predicted either from the bulk density of the resin per se or from the bulk density of a dry-blend prepared in a low speed mixer. Our immediate objective is to select a blend of QSAP - 7 that will duplicate the performance of "Geon" 101 EP F-12 in the intensive mixing cycle. (L. G. Krauskopf) 2. GENERAL ELECTRIC COMPANY, LOUISVILLE, KENTUCKY Suggested starting formulations for the dry-blend production of vinyl components for appliances have been forwarded to this company. (L. G. Krauskopf) 3. TAYTEC CORPORATION, COLUMBUS, OHO Laboratory effort on the comparison of a FLEXOL plasticizer blend vs. a Monsanto blend in vinyl weatherstrip has been curtailed due to the failure of the customer's control material to meet the application requirements. It is ex pected that a renewed effort will be initiated following a change in assignment of sales personnel. (L. G. Krauskopf) 4. POLYMERS, INC., MIDDLEBURY, VERMONT At our request, pilot plant personnel at Texas City made a 600 gallon autoclave run of QXAG - 10 (QEX - 1298) as a possible replacement for "Geon" 106 at subject customer. The polymer is high in apparent density (40.3 #/ft^) and excellent dry resin flow (2.1 minutes/400 cc). Fines level was at one per cent. Torque-rheometer study indicated exceptionally uniform fusion characteristics. A 100 pound sample has been forwarded to customer for his evaluation. The sales potential at this account is projected at 6 MM #/year. (W. H. Bauer, A. W. Conkling) t ICC 042288 5. WIRE AND CABLE (223 C 50) 1. CHLORINATED POLYETHYLENE No conclusive results were obtained in the evaluation of this poly mer as a plasticizing agent for PVC due to difficulties encountered in the extrusion of samples. Due to the low priority status of this program, rerun will be postponed indefinitely. (E. B. Harris) 2. COMPETITIVE RESIN EVALUATION Work is proceeding at full speed to complete the evaluation of the nine samples received. Others will be handled as they arrive. The results on in sulation resistance and volume resistivity tests will also be used to correlate testing at Tarrytown and Texas City. (E. B. Harris) 3. FLEXOL 63 Evaluation of the oil resistance of insulation containing this plas ticizer is in progress. (E. B. Harris) 4. THW WIRE, 10-10/EPQ BLENDS Work on defining the moisture sensitivity of this plasticizer blend, using the UL S.I.C. test, is in progress. PLASTISOLS (343 G 50) (E. B. Harris) 1. PYROLAC CORPORATION, HAWTHORNE, NEW JERSEY A foam plastisol formulation was suggested to this customer for curtain coating Chevrolet auto bumpers. Additional work will be done to compare the performance of the suggested formulation to an approved, competitive plastisol, to establish interchangeability on the Chevrolet packaging line. - * (E. B. Harris) ucc 042289 6. 2. ASSOCIATED RUBBER AND PLASTICS, BRONX, NEW YORK A sample of FLEXOL DOP was analyzed for the subject customer, and found to contain approximately 50 per cent by volume of a motor or diesel oil. These results support the customer's claim that the heating oil company filled the wrong tank. (E. B. Harris) 3. SPl - PER CENT SOUPS ROUND-ROBIN This laboratory's commitment to the Vinyl Dispersions Division of the Society of the Plastics Industry to participate in the per cent solids roundrobin has been fulfilled. (E, B. Harris) GENERAL PROGRAMS 1. FLEXOL R3M A) A recheck into the heat stability of FLEXOL R3M, comparing it to Paraplex G-54, Plastolein 9765 and Santicizer 409, confirmed previous results. All four plasticizers behaved similarly in a formulation using a barium-cadmium zinc type stabilizer. In formulations employing a lead type stabilizer, the R3M system was not as stable as the others (the other three were nearly equal) but did represent an improvement over the 2-etbylhexanoic acid capped R3M. B) A performance-in-vinyl recheck is nearly complete on lauric acid-capped R3M. C) R3M will be checked in 105 wire insulation for critical physi cal and electrical properties. All reevaluation studies on R3M are expected to be completed September 15, 1967. ^ .y`- (E. B. Harris) l \ '.3 WHBauerxcb New York R. L. Baker G. P. Bigelow A. E. Donaldson J. T. Ferguson C. R. Field J. A. Francis L. D. Harris J. M. Herbert W. H. Joyce C. E, O'Rourke J. W. Schilling G. C. Shipston J. R. Wilkinson DISTRIBUTION South Charleston F* E. Bailey J. J. Brezinski (2) G. H- Daniels R. A Huber R. G. Kelso D. L. MacPeek C. W, McGary E. J Mills J. J. Smith R. N Wheeler (Box 8004) Bound Brook A. J. Costantin F. A. DeMelio R. E. Gulick G. G. Himmler L. A. McKenna H. J. Pazinski F. J. Skiermont N. L. Zutty Texas City M, E. Eisenhour J. R. Erdmann N. A. Gimer J. A. Hockersmith D. E Richardson