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Polymer Additives and Plasticizers Library Listing – 1,799 spectra This library is a valuable addition to any polymer chemist’s toolbox. It includes spectra of plastics and additives for polymers, rubbers, cosmetics, adhesives, sealants, and plasticizers. The Polymers, Polymer Additives and Plasticizers Library features 1,799 spectra collected by Chemir/Polytech Laboratories and Dr. John Kokosa. Samples were run by transmission using one of the following techniques: molded film, capillary film or KBr disk. Each spectrum in the library includes information on manufacturer, chemical name, product name, chemical abstract number, and category name, where available. Chemically, the classes of polymer compounds represented in the library include: thermoplastics, thermoset resins, engineering polymers, monomers, and catalysts. Additives represented include: plasticizers, mold release agents, inorganic fillers, antistatic agents, surfactants, and colorants. Polymer Additives and Plasticizers Index Compound Name Index Compound Name 873 (2,2-THIOBIS-T-OCTYL- 533 1:1 LAUREL DEA PHENOLATO))-N-BUTYLAMINE 416 2,2',4,4'-TETRAHYDROXY NICKEL BENZOPHENONE 916 (2,4-DIHYDROXYPHENOL)- 1643 2,2'-(ETHYLHEXANAMIDE) METHANONE DIETHYL ETHYLHEXANOATE 917 (2-HYDROXY-4-(OCTYLOXY) 744 2,2'-ETHYLIDENE-BIS(4,6-DI-TERT- PHENYL) PHENYL-METHANONE BUTYLPHENOL) 1209 (2-HYDROXY-4-(OCTYLOXY) 733 2,2'-METHYLENE-BIS(4-METHYL-6- PHENYL) PHENYLMETHANONE NONYLPHENOL) 918 (2-HYDROXY-4- 714 2,2'-METHYLENE-BIS(4-METHYL-6- METHOXYPHENYL) PHENYL- TERTIARYBUTYL PHENOL) #1 METHANONE 712 2,2'-METHYLENE-BIS(4-METHYL-6- 1375 (3-LAURAMIDOPROPYL) TERTIARYBUTYL PHENOL) #2 TRIMETHYL-AMMONIUM 187 2,2'-METHYLENE-BIS(4-METHYL-6- METHYL SULFATE TERTIARYBUTYL PHENOL) #3 831 1, 4 BUTANEDIOL 958 2,2'-METHYLENE-BIS(4-METHYL-6- 832 1,1,2- TERTIARYBUTYL PHENOL) #4 TRICHLOROTRIFLUOROETHANE, 203 2,2'-METHYLENE-BIS(4-METHYL-6- PTFE BLEND TERTIARYBUTYL PHENOL) #5 820 1,1,3-TRIS(2-METHYL-4-HYDROXY- 814 2,2'-METHYLENE-BIS(4-METHYL-6- 5-TERT-BUTYLPHENYL)-BUTANE TERTIARYBUTYL PHENOL) #6 599 1,1-BIS(T-BUTYLPEROXY) 3,3,5- 774 2,2'-METHYLENE-BIS(4-METHYL-6- TRIMETHYLCYCLOHEXANE TERTIARYBUTYL PHENOL) #7 1350 1,2,5,6,9,10-HEXABROMO- 208 2,2'-METHYLENE-BIS(4-METHYL-6- CYCODODECANE TERTIARYBUTYL PHENOL) #8 1059 1,2-BENZENEDICARBOXYLIC ACID 737 2,2'-OXAMIDO BIS-(ETHYL 3-(3,5- 1386 1,2-BENZENEDICARBOXYLIC ACID DI-TERT-BUTYL-4- DIUNDECYL ESTER HYDROXYPHENYL) PROPION 1385 1,2-BENZENEDICARBOXYLIC 1776 2,2,4-TRIMETH-1,3-PENTANEDIOL ACIS, DINONYL ESTER DIISOBUTYRATE 219 1,2-BIS(3,5-DI-TERT-BUTYL-4- 1041 2,2,4-TRIMETHYL-1,3- HYDROXYHYDROCINNIMAOYL) PENTANEDIOL DIISOBUTYRATE HYDRAZINE 1166 2,2,4-TRIMETHYL-6-EHTOXY-1,2- 1046 1,2-BIS(TETRABROMO- DIHYDROQUINOLINE PHTHALIMIDO) ETHANE 1182 2,2-DIHYDROXY-4-METHOXY 1045 1,2-DIBROMO-4-(1,2- BENZOPHENONE DIBROMOETHYL) CYCLOHEXANE 1192 2,2-ETHYLIDENE-BIS(4,6-BIS-(1,1- 767 1,3,5-TRIMETHYL-2,4,6-TRIS(3,5-DI- DIMETHYLETHYL) PHENOL) TERT-BUTYL--4- 768 2,2-ETHYLIDENE-BIS(4,6-DI-T- HYDROXYBENZYL) BENZEN BUTYL-PHENYL) 1103 1,3-PROPANEDIENE,N,N-1,2- FLUOROPHOSPHONITE ETHANEDIYLBIS-POLYMER WITH 1208 2,2-THIOBIS(4-T-OCTYL- 2,4,6-TRICHLORO-1 PHENOLATO)-N-BUTYLAMINE 1195 1,6-HEXAMETHYLENE BIS-(3,5-DI- NICKEL II #1 TERT-BUTYL-4- 1397 2,2-THIOBIS(4-T-OCTYL- HYDROXYHYDROCINNAMATE) PHENOLATO)-N-BUTYLAMINE 1663 1,7,7- NICKEL II #2 TRIMCTHYLBICYCLO(2.2.1)HEPTA 1395 2,4-DI-T-BUTYLPHENYL 3,5-DI-T- N-2-ONE BUTYL-4-HYDROXYBENZOATE 998 1,8-DITHIOPHENYLANTHRAQUINE 414 2,4-DIHYDROXYBENZOPHENONE 451 1-HEXADECANOL #1 804 1-PROPANAMINIUM, N-(2- 1104 2,4-DIHYDROXYBENZOPHENONE HYDROXYETHYL)-N,N- #2 DIMETHYL-3-((1- 222 2,5-DI(TERT- OXOOCTADECYL) BUTYL)HYDROQUINONE 1667 1.2.3-TRIPHENYLGUANIDINE 951 2,5-DI(TERTAMYL) 1057 13-DOCOSENAMIDE HYDROQUINONE 525 17-BUTOXY POLYOXYETHYLENE 598 2,5-DIMETHYL-2,5-DI-(T-BUTYL POLYOXYPROPYLENE GLYCOL PROXY) HEXENE-3 532 1:1 COCONUT DIETHANOLAMIDE (c) 2007 Thermo Fisher Scientific Inc. All rights reserved. Page 1 of 24 Polymer Additives and Plasticizers Index Compound Name Index Compound Name 1292 2,5-DIMETHYL-2,5-DI-(TERT- 1017 2-ETHYLHEXYL PALMITATE #1 BUTYLPEROXY) HEXANE 1401 2-ETHYLHEXYL PALMITATE #2 1293 2,5-DIMETHYL-2,5-DI-(TERT- 1680 2-ETHYLHEXYL STEARATE BUTYLPEROXY) HEXYNE-3 1437 2-HEXYLDECYLDODECANOATE 188 2,6-DI-TERT-BUTYL-4-METHYL 1184 2-HYDROXY-4- PHENOL #1 (BHT) ACRYLOXYETHOXY 189 2,6-DI-TERT-BUTYL-4-METHYL BENZOPHENONE PHENOL #2 (BHT) 649 2-HYDROXY-4-METHOXY 775 2,6-DI-TERT-BUTYL-4-METHYL BENZOPHENONE-5-SULFONIC PHENOL #3 (BHT) ACID 253 2,6-DI-TERT-BUTYL-4-METHYL 648 2-HYDROXY-4- PHENOL #4 (BHT) METHOXYBENZOPHENONE #1 846 2,6-DI-TERT-BUTYL-4-METHYL 1092 2-HYDROXY-4- PHENOL #5 (BHT) METHOXYBENZOPHENONE #2 815 2,6-DI-TERT-BUTYL-4-METHYL 1376 2-HYDROXY-4- PHENOL #6 (BHT) METHOXYBENZOPHENONE #3 207 2,6-DI-TERT-BUTYL-4-METHYL 1377 2-HYDROXY-4-N-OCTOXY- PHENOL #6 (BHT) BENZOPHENONE #1 759 2,6-DI-TERT-BUTYL-4-SEC- 1392 2-HYDROXY-4-N-OCTOXY- BUTYLPHENOL BENZOPHENONE #2 770 2,6-DI-TERT-BUTYL-ALPHA- 1365 2-MERCAPTOTOLUIMIDAZOLE DIMETHYL-AMINO-P-CRESOL 1679 2-METHOXYETHYL STEARATE 673 2- COMPONENT POLYSULFIDE 1132 2-OCTYL-4-ISOTHIAZOLIN-3-ONE 865 2-(2-HYDROXY-3,3-DI-TERT- 196 2-PROPENAMIDE, 2-METHYL-N-[4- AMYLPHENYL)BENZOTRIAZOLE PHENYL-AMINOPHENYL] 864 2-(2-HYDROXY-3,5-(1,1 880 2-PYRROLIDINONE DIMETHYLBENZYLPHENYL)BENZ 870 20% SURFACTANT BLEND IN AN OTRRIAZOLE) OLEFIN CARRIER 867 2-(2-HYDROXY-5- 1373 25% GLASS-FILLED ACETAL METHYLPHENYL) COPOLYMER BENZOTRIAZOLE 926 3,3-DICHLOROBENZIDINE BASED 1105 2-(2-HYDROXY-5- PIGMENT METHYLPHENYL) 750 3,3-TRIDECYL BENZOTRIAZOLE THIODIPROPIONATE 1183 2-(2-HYDROXY-5-T-OCTYLPHENYL 776 3,5-DI-TERT-BUTYL-4- BENZOTRIAZOLE HYDROXYHYDROCINNAMIC ACID 574 2-AMINO-2-ETHYL-1,3 TRIESTER WITH KETONES # PROPANEDIOL #1 1428 3,5-DI-TERT-BUTYL-4- 575 2-AMINO-2-ETHYL-1,3 HYDROXYHYDROCINNAMICACID PROPANEDIOL #2 TRIESTER WITH KETONES #2 573 2-AMINO-2-METHYL-1-PROPANOL 1352 4,4-(1-METHYLETHYL-IDENE) #1 BIS(2,6-DIBROMO-PHENOL) 576 2-AMINO-2-METHYL-1-PROPANOL 982 4,4-DI(ALPHA, ALPHA-DIMETHYL #2 BENZYL) DIPHENYLAMINE 1516 2-BUTOXYETHYL OLEATE 769 4,4-METHYLENE-BIS-(2,6-DI-TERT- 1524 2-BUTOXYETHYL STEARATE BUTYLPHENOL) 674 2-COMPONENT POLYSULFIDE 950 4,4-THIOBIS(3-METHYL-6- 63 2-ETHYLHEXYL DIPHENYL TERTIARY BUTYL PHENOL) PHOSPHATE #1 949 4,4-THIOBIS(6-TERT-BUTYL-M- 92 2-ETHYLHEXYL DIPHENYL CRESOL) #1 PHOSPHATE #2 954 4,4-THIOBIS(6-TERT-BUTYL-M- 1746 2-ETHYLHEXYL DIPHENYL CRESOL) #2 PHOSPHATE #3 997 4-[(O-METHOXYPHENYL) AZO] 3- 1270 2-ETHYLHEXYL DIPHENYL METHYL-1-PHENYL-2-PYRAZINE- PHOSPHATE, DI-2- 5-ONE ETHYLHEXYLPHENYL 1054 5-PHENYLTETRAZOLE PHOSPHATE 1345 5-PHENYLTETRAZOLE ANALOGS 1788 2-ETHYLHEXYL EPOXYSTEARATE 1237 5-PHENYLTETRAZOLE, BARIUM 1728 2-ETHYLHEXYL ISODECYL SALT PHTHALATE (c) 2007 Thermo Fisher Scientific Inc. All rights reserved. Page 2 of 24 Polymer Additives and Plasticizers Index Compound Name Index Compound Name 1236 5-PHENYLTETRAZOLE, CALCIUM 47 ACRYLONITRILE BUTADIENE SALT STYRENE TERPOLYMER #7 869 50% ACTIVE GLYCEROL 315 ACRYLONITRILE COPOLYMER MONOSTEARATE IN 559 ACTAFOAM R-3 POLYETHYLENE CARRIER 562 ACTIVATOR STABILIZER WITH 1306 56% TERTIARY AMINE, 44% KEMPORE BLOWING AGENT DIPROPYLENE GLYCOL 261 ACTIVE QUATERNARY 708 70%-ADDITIVE LOADED, /DIPROPYLENE GLYCOL LDPE/EVA BLEND 570 ADDUCT OF TOLUENE 1056 9-OCTADECAMIDE DIISOCYANATE AND POLYOL 1125 9-OCTADECENOIC ACID, METHYL 1798 ADIPIC 1.3-BUTYLENE GLYCOL ESTER POLYMER 1654 A-METHYLSTYRENE POLYMER 161 ADIPIC ACID, POLYMER WITH A 510 ABS / POLYCARBONATE #1 DIOL AND FATTY ACIDS 502 ABS / POLYCARBONATE #2 1272 AKYLPOLYGLYCOLETHER 504 ABS / POLYCARBONATE #3 ACETATE 509 ABS / POLYCARBONATE #4 1468 ALCOHOL ESTER 505 ABS / PVC BLEND 584 ALCOHOL POLYGLYCOL ETHER 1504 ACETAL COPOLYMER #1 583 ALCOHOL POLYGLYCOL ETHER 317 ACETYL COPOLYMER #2 CARBOXYLIC ACID 1066 ACETYL TRIBUTYL CITRATE #1 699 ALICYCLIC ALCOHOL 1580 ACETYL TRIBUTYL CITRATE #2 662 ALIPHATIC DIGLYCIDYL ETHER 1457 ACETYL TRIBUTYL CITRATE #3 164 ALIPHATIC HYDROCARBON 1065 ACETYL TRIETHYL CITRATE #1 642 ALIPHATIC HYDROCARBONS, 1579 ACETYL TRIETHYL CITRATE #2 POLYSILOXANE COPOLYMER 835 ACETYL TRIETHYL CITRATE #3 641 ALIPHATIC HYDROCARBONS, 1581 ACETYL TRIS (2-ETHYLHEXYL) WETTING AGENT MIXTURE CITRATE 470 ALIPHATIC MODIFIED AROMATIC 836 ACETYLTRI-N-HEXYL CITRATE RESIN 1257 ACRYLAMIDE / DADMAC 226 ALKALINE EARTH SALT COPOLYMER 664 ALKYL (C8-C10) GLYCIDYL ETHER 285 ACRYLATE URETHANE #1 1409 ALKYL ALKYLETHER DIESTER 286 ACRYLATE URETHANE #2 GLUTARATE 327 ACRYLIC / POLYCARBONATE 640 ALKYL AMMONIUM SALT OF AN ALLOY UNSATURATED ACIDIC 296 ACRYLIC POLYMER #1 CARBOXYLATE ACID ESTER 1500 ACRYLIC POLYMER #10 265 ALKYL 314 ACRYLIC POLYMER #11 ETHOXYLATE/QUATERNARY 297 ACRYLIC POLYMER #2 AMMONIUM 298 ACRYLIC POLYMER #3 1481 ALKYL ORGANIC PHOSPHATE 299 ACRYLIC POLYMER #4 ESTER ACID 300 ACRYLIC POLYMER #5 544 ALKYLAMINE OXIDE 301 ACRYLIC POLYMER #6 789 ALKYLARYL PHOSPHITE #1 302 ACRYLIC POLYMER #7 790 ALKYLARYL PHOSPHITE #2 303 ACRYLIC POLYMER #8 1419 ALKYLATED DIPHENYLAMINE 1475 ACRYLIC POLYMER #9 237 ALKYLATED P-CRESOL 321 ACRYLONITRILE BUTADIENE 779 ALKYLATED PHENOL - COPOLYMER ANTIOXIDANT #1 322 ACRYLONITRILE BUTADIENE 780 ALKYLATED PHENOL - COPOLYMER ANTIOXIDANT #2 291 ACRYLONITRILE BUTADIENE 1429 ALKYLATED PHENYL ALPHA- STYRENE TERPOLYMER #1 NAPHTHYLAMINE 292 ACRYLONITRILE BUTADIENE 185 ALKYLATED-ARYLATED STYRENE TERPOLYMER #2 BISPHENOLIC PHOSPHITE 293 ACRYLONITRILE BUTADIENE 238 ALKYLATED-STYRENATED P- STYRENE TERPOLYMER #4 CRESOLS 294 ACRYLONITRILE BUTADIENE 1291 ALKYTIN MERCAPTIDE STYRENE TERPOLYMER #5 973 ALUMINA SILICATE #1 295 ACRYLONITRILE BUTADIENE 974 ALUMINA SILICATE #2 STYRENE TERPOLYMER #6 975 ALUMINA SILICATE #3 (c) 2007 Thermo
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  • 1. PUBLIC HEALTH STATEMENT This Statement Was Prepared to Give

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    OTTO FUEL II AND ITS COMPONENTS 1 1. PUBLIC HEALTH STATEMENT This statement was prepared to give you information about Otto Fuel II and its components, and to emphasize the human health effects that may result from exposure to them. The Environmental Protection Agency (EPA) has identified 1,397 hazardous waste sites as the most serious in the nation. These sites make up the National Priorities List (NPL) and are the sites targeted for long-term federal clean-up activities. Otto Fuel II has been found at two of the sites on the NPL. However, the number of NPL sites evaluated for Otto Fuel II and its components is not known. As EPA evaluates more sites, the number of sites at which Otto Fuel II and its components are found may increase. This information is important for you to know because Otto Fuel II and its components may cause harmful health effects and because these sites are potential or actual sources of human exposure to Otto Fuel II and its components. When a chemical is released from a large area, such as an industrial plant, or from a container, such as a drum or bottle, it enters the environment as a chemical emission. This emission, which is also called a release, does not always lead to exposure. You can be exposed to a chemical only when you come into contact with the chemical. You may be exposed to it in the environment by breathing, eating or drinking substances containing the chemical, or from skin contact with it. If you are exposed to a hazardous chemical such as Otto Fuel II and its components, several factors will determine whether harmful health effects will occur, and what the type and severity of those health effects will be.
  • Blown Films for Chilled and Frozen Food Packaging Applications

    Blown Films for Chilled and Frozen Food Packaging Applications

    polymers Article Evaluation of the Suitability of Poly(Lactide)/Poly(Butylene-Adipate-co-Terephthalate) Blown Films for Chilled and Frozen Food Packaging Applications Arianna Pietrosanto, Paola Scarfato * , Luciano Di Maio , Maria Rossella Nobile and Loredana Incarnato Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy; [email protected] (A.P.); [email protected] (L.D.M.); [email protected] (M.R.N.); [email protected] (L.I.) * Correspondence: [email protected] Received: 20 December 2019; Accepted: 12 March 2020; Published: 3 April 2020 Abstract: The use of biopolymers can reduce the environmental impact generated by plastic materials. Among biopolymers, blends made of poly(lactide) (PLA) and poly(butylene-adipate-co-terephthalate) (PBAT) prove to have adequate performances for food packaging applications. Therefore, the present work deals with the production and the characterization of blown films based on PLA and PBAT blends in a wide range of compositions, in order to evaluate their suitability as chilled and frozen food packaging materials, thus extending their range of applications. The blends were fully characterized: they showed the typical two-phase structure, with a morphology varying from fibrillar to globular in accordance with their viscosity ratio. The increase of PBAT content in the blends led to a decrease of the barrier properties to oxygen and water vapor, and to an increase of the toughness of the films. The mechanical properties of the most ductile blends were also evaluated at 4 C and 25 C. The ◦ − ◦ decrease in temperature caused an increase of the stiffness and a decrease of the ductility of the films to a different extent, depending upon the blend composition.
  • Polyvinylchloride, Phthalates and Packaging

    Polyvinylchloride, Phthalates and Packaging

    Page 29 | Bulletin 86 | July 2014 Polyvinylchloride, phthalates and packaging Plastics are synthetic resins, are either thermosetting or thermoplastic. Thermoplastic resins can be re-softened by heating, and include polyethylene (PE), polystyrene (PS), polypropylene (PP), and polyvinylchloride (PVC) which is very widely used in disposable medical devices. Polyvinylchloride (PVC) Di(2-ethylhexyl) phthalate (DEHP) Vinyl chloride (CH2=CHCl or chloroethylene) DEHP (sometimes referred to as bis is polymerized by free-radical initiators to (2-ethylhexyl) phthalate) is the diester of open the double bond and to link together phthalic acid and 2 ethylhexanol (Figure 2). vinyl chloride monomers, to form repeating Dr A M Walton units of polymers (Figure 1). Figure 2 The structure of di(2-ethylhexyl) phthalate DEHP. Anaesthesia ST 7, Figure 1 The phthalic moiety is common to all phthalates; University Hospital The chemical structure of vinyl chloride and PVC the pair of symmetrical aliphatic chains depends Southampton on the esterified alcohol PVC is a rigid structure at room temperature. Heating gives the molecules energy, widens the distance between between the molecules and softens the resin. To give PVC flexibility at room and body temperatures, plasticisers Dr J M T Pierce are added non-covalently to the PVC when Consultant Anaesthetist, At room temperature it is a colourless, oil- University Hospital molten and serve as molecular spacers so soluble viscous liquid and is used to form Southampton; RCoA when cooled the polymer has a softness even up to 40% of the mass of the PVC product. Environmental Advisor at room temperatures. The most commonly The annual global production of DEHP is used plasticisers are phthalates.
  • Selected Plasticisers and Additional Sweeteners in the Nordic Environment Selected Plasticisers and Additional Sweeteners in the Nordic Environment

    Selected Plasticisers and Additional Sweeteners in the Nordic Environment Selected Plasticisers and Additional Sweeteners in the Nordic Environment

    TemaNord 2013:505 TemaNord Ved Stranden 18 DK-1061 Copenhagen K www.norden.org Selected Plasticisers and Additional Sweeteners in the Nordic Environment Selected Plasticisers and Additional Sweeteners in the Nordic Environment The report Selected plasticisers and additional sweeteners in the Nordic Environment describes the findings of a Nordic environmental study. The study has been done as a screening, that is, it provides a snapshot of the occurrence of selected plasticisers and sweeteners, both in regions most likely to be polluted as well as in some very pristine environments. The pla- sticisers analysed were long chained phthalates and adipates, and the sweeteners analysed were aspartame, cyclamate and sucralose. The purpose of the screening was to elucidate levels and pathways of hitherto unrecognized pollutants. Thus the samples analysed were taken mainly from sewage lines, but also in recipients and biota, both in assumed hot-spot areas and in background areas. TemaNord 2013:505 ISBN 978-92-893-2464-9 ISBN 978-92-893-2464-9 9 789289 324649 TN2013505 omslag.indd 1 18-02-2013 10:25:36 Selected Plasticisers and Additional Sweeteners in the Nordic Environment Mikael Remberger, Lennart Kaj, Katarina Hansson, Hanna Andersson and Eva Brorström-Lundén, IVL Swedish Environmental Research Institute, Helene Lunder and Martin Schlabach, NILU, Norwegian Institute for Air Research TemaNord 2013:505 Selected Plasticisers and Additional Sweeteners in the Nordic Environment Mikael Remberger, Lennart Kaj, Katarina Hansson, Hanna Andersson and Eva Brorström-Lundén, IVL Swedish Environmental Research Institute, Helene Lunder and Martin Schlabach, NILU, Norwegian Institute for Air Research ISBN 978-92-893-2464-9 http://dx.doi.org/10.6027/TN2013-505 TemaNord 2013:505 © Nordic Council of Ministers 2013 Layout: Hanne Lebech/NMR Cover photo: Image Select Print: Rosendahls-Schultz Grafisk Copies: 150 Printed in Denmark This publication has been published with financial support by the Nordic Council of Ministers.
  • High Performance Ester Plasticizers

    High Performance Ester Plasticizers

    High Performance Ester Plasticizers Abstract Traditional elastomer polymers, such as nitrile, polychloroprene, chlorinated polyethylene and chlorosulfonated polyethylene, have for years used moderate- to low- performance ester plasticizers. However, longevity requirements for rubber articles made from these elastomers have created a need for higher-performance ester plasticizers. With the increasing high-temperature demands required by automotive, other elastomers such as acrylic, high-saturated nitrile, epichlorohydrin and ethylene propylene diene monomer EPDM are replacing the more traditional elastomers. Plasticizers commonly used for the traditional and the high-temperature polymers are extractable, incompatible or too volatile. This paper provides information on plasticizers that are designed for traditional elastomers and high-performance polymers. The test data will include heat aging, extraction by hydrocarbons and low-temperature as molded after aging. The information provided indicates that the permanence of the plasticizer after these various agings is the key to the retention of physical properties. Introduction End uses for elastomer compounds are quite diverse, but they can be loosely categorized as being either general performance or higher performance applications. Each of these performance categories requires a different set of considerations in terms of compounding with ester plasticizers. An ester plasticizer, in its simplest concept, is a high-boiling organic solvent that when added to an elastomeric polymer reduces stiffness and permits easier processing.1 For general performance applications, compounders require moderate performance in several areas without particular emphasis on any one. Some general performance ester plasticizers used in the marketplace today are DOA, DIDA, DIDP, DOP, DINP and other phthalates and adipates made from straight-chain alcohols of 7–11 carbons in length.