Document 0qMY4KmQjnpm9OM6RRYnpaqMk

ARL26 - 1012 PTihvesics ade" Ue - April 24,2001 "CThreamciysGt.,WIinldluisatrmisaonC,hePmhi.sDt.ry Branch Lor Sh SW. OUfSfiEcneovfirPoonlmleunttiaolnPrPoretveecnttiioonnAagnednTcoyxics (OPPT Washington, DC 20460 2125 EOS . 41008 AR 22h 630! 00000 ( 9 Dear Dr. Williamson: On behaoflthfe Fluoropolymer Manufacturers Group (FMG), I would like to. extend my appreciation to you and your associates for the opportunity to continue the dialogue on fluoropolymers and APFO. 1 Aswepromisedduring ourmeeting, Ihave includedinthispackagecopies of our presentation slides. a. One copy is marked "Company Sanitized, Does not contain "TSCA CBLTM b. Theothercopy is marked Contains TSCA CBI" and s contained in an inner envelope marked "Company confidential, contains CBL" "This inner envelope is addressed t you. 2. `Please note this letter does not contain confidential business information. 1QGuoheomnpmieionttshea,dtpttloheiwasosirenkdfioonrnmgoawttiihtoehnsitithsaetseuEftPfoiAcciioennntttahfciotsritymhoepuoSrrotncaeineettdmysaoatfstePtlrhai.ssttiicmseI.nIdfutshtreyr.e Waree aarney other Sincggely, : I. "EFAxllculcoeunrtoWipevoieldyDmmireaerncMtoarnufacturers Group J om > L8E5 s TWThaaseThSionKcXgitSeowtney,eotfDCNthew20P0lSa0so6t-eic1s3600I1n0dKustry, Ine pi20l57a2r5n200bifovx 2i02.296.7005 Contain NC CB! _--_kEPA/SPI-FMG/DuPont Fluoropolymers and APFO: Discussion of Value in Use April ae Washington D.C. Company SANITZED. Toes Alot cnr TSCA. CR DuPont/SPI Participants Don Duncan: President, Society of the Plastics Yadustry Subhash Gangal: Global Technology Manager, DuPon \ Dave Rurak: Global Business Manager, DuPont \ \ | | 3 ~_ MeetiSOnNg-Goals Recognize the technological and societal benefits of fluoropolymers. Provide a clear understanding of the fluoropolymers manufacturing process, critical technical issues and the role and importance of fluorosurfactants. \ Share work DuPont has done over the past 30+ years identify and evaluate non-APFO surfactants, and why nd suitable replacements have been found. Clarify industry needs to maintain APFO use and develop new supply. \ | | x Agenda Follow-up from March oi Value of Fluoropolymers APFO Substitution Efforts -- Business Incentive -- Technical Discussion Industry Needs Going Forward \ \ \ \ \ | s Follow-up Reid Meeting EPA Requests: - Discussion of Possible APFO soe Discussion of Bio-monitoring \ Additional Sharing on Containmentand Exposure \ ~ APFO Risk vs. Benefits \ | 6 _Fluoropolymers: Value to Society Through Unique Properties in Critical Uses Don Duan President, i | History ofFluoropolymers Discovered by "Serendipity" in1938 Limited use insernpacemiary ing World War II Cookware first major use in early 19608, Primary use today in industrial markets \ Advance technology and system \ performance wherever they are used \ Fluoropolymers: "Super" Polymers Chemical resistance across broa temperature range "Slipperiest substance known to man Unique properties/High value in use \ \ \ \\ 9 | Fluoropolymers -- 2000 Global MarketDemand(Billions) 0.22 ROW 0.40/ Japan Western Europe 061 North America JS AN N \ 3 ) \ \ \ \ \ Total Demand $2.5 billion | 16 Fluoropolymers: A DiversePortfolio PTFE Homopolymers \ . \ Melt Processible Copolymers \ \ Fluoroelastomers and Perfluoroelastomers | || PTFE Homepolymers Highest performance materials. About 35% of total market -- Granular: molded parts, thick extruded tubing -- Fine Powder: thin extrusion \ ~ Dispersion: coatings. fabric impregnation \ \ \ | 1a | SS. Copolymers IN About 40% of total market NL Melt-processible ) Can be molded or extruded ~ FEP ~ PVDF/PVF ~ PFA/MFA N\ \ \ \ ETFE/ECTFE/PCTFE \ - CTFE-VDF \ | Fluoroclastomers Introduced in 1955 About 24% of total market Products sold raw or cured Three basic chemistries -- vinylidene fluoride (VF2) -- hexafluoropropylene (HFP) ~ tetrafluoroethylene (TFE) AN \ AN \ \ \ \ | Major Industries Served by Fluoropolymers/elastomers Aerospace/Military he Automotive/Transportation \ Chemical/PetrochemicalProcessing \ Semiconductor/Electronics Manufacturing Telecommunications \ Power Generation/Pollution Control \ Consumer Housewares \ b Aerospace/Military Key requirements: -Temperature and chemical resistance: electrical performance; lowflammability Major uses: Wire and cable insulation Fuel and hydraulic hoses Seals/bushing Space apparel Socciieettaall BeBneenfeiftitss:: PaPsassseennggeerr protection: aircraft reliability 1 ANESEL AN A al = -- : S| eh= TI S wi Automotive/Transportation Key requirements: Chemical and temperature resistance; electrical performance: lubricity Major uses: Seals, bushings Fuel and brake hoses/tubing Control cables * Underhood wire Societal Benefits: Lower vehicle weight and emissions: reliability ? "9 9 SN LLL \ - Chemicals/Petrochemicals Key requirements: Chemical and applications temperature resistance: non-stick Major uses: Lined pipes.valves, pumps + Tank and reactor linings + Gaskets, seals Wire insulation Societal benefits: Worker and public safety: industry productivity SL 5 % JJ < ; 1 cn Mn r . > =e |WN , AY | 18 Semiconductor/Electronics . . NT > Key requirements: Chemical and electrical performance Major uses: + Hig] h-purity fil.uid handling equipment + Silicon wafer carriers + Clean room garments Societal benefits: Consumer product quality and cost; industry productivity S 8~v: nN S TEPE Y E " -- STA~ oe a lly rug \ Ld Power Generation/ Pollution Control Key requirements: Chemical and temperature resistance; flexibility Major uses: + Acid resistant filter bags Radiation resistant wire insulation Expansion joints Societal benefits: Fewer emissions to the environment; worker and public safety: process reliability | 1 ik li I n= i| I i i i | TE 1 | Telecommunications i Key requirements: Electrical Re performance: fire resistance; SEER optical properties Major uses: + LAN Cable | B-- \ X 1N3L) \\ a \ + Mainframe wiring A Eg + Satellite wiring Fiber optic cladding and cable \ = Societal benefits: Public safety: critical systems reliability \ la BR a Consoumer- HoJ usewares/Apparel ~~ Key requirements: Non-stick: temperature resistance; easy to NL - 5 clean; hydrophobic Major uses: Non-stick cookware and bakeware \ Waterproof/breathable clothing Appliance wiring \ TP \ Societal benefits: Enables low-fat cooking; supports healthy lifestyle: consumer convenience 1 \ - \ y 2% || 22 Fluoropolymer Applications Summar Fluoroplastics and fluoroelastomers provide unique and critical performance properties in "system critical" applications thatprotect and benefit people and the environment. \ For virtually all applications, \ fluoropolymers are the only materials that, meet system performance needs. \ Application design and best-available \ technology based on fluoropolymers. \ | 2% Fluoropolymer Applications Summary (centd.) OEM technology and investment based on fluoropolymers. ON Fluoropolymers have high value-in-use; are " only used where there are no other optigns. Not-in-kind technologies for some | applications have negative environmental impact and/or are cost prohibitive. , a - NN Business Incentive tq Replace APFO Very Few Suppliers High Raw Material Cost No aN Manufacturing Complexity 3 ~ B Importance of APFO in Dispersion Polymerization and DuPont Research on Alternatives Subhash Gahgal ~ Global Technology Manager, DuPont D ~ J] oo - > Background - Commercial Fluoropolyiners, processes used to produce them and major applications of each familyof products. > Dispersion Polymerization Process and why it is impogtant. > Sequence of events in the Dispersion Polymerization Reactor. > Classesof Surfactants and limitations of their use in TMN Perfluoropolymerization. > Efforts to replace APFO Incentives ! Evaluation Procedure Research Efforts . 2 `Dupont Ca formation. DocsNot Contin Nationa Security InformationContains FLUOROPOLY] S. POLYMERIZATION PROCESS AND 'LICATIONS B| | || . 0 ~ DISPERSION POLYM ZATION PROCESS INGREDIENTS NN >Monomer(s) with extremely high purity >Water (demineralized) >Initiator (an oxidizing agent with high purity) >Surfactant (non-telogenic, high purity) >Optional other ingredients EQUIPMENT >Gently stirred heated reactor N. N 3 i : IMPORTA! OF AQUEOUS DISPERSION POL RIZATION Very high heat of polymerization requires apid heat removal capability. RN - An ability particular to develop a application. specific particle architecture fora " Aponwadbeirlitaypptloicmaatiinotnas.in individual particle identity for fine Ease of availability of pure water. 3 - KEY POLYME [ARACTERISTICS TAILORED FOR SPECI APPLICATIONS Dispersion particle size and its morph logy Particle architecture "~ Molecular weight and its distribution Comonomer content and its distribution High to extremely high molecular weight SN | 32 : Contains Dun fa Busines Information. Docs Not ContainNationalSecurity Information SEQUENCE OE-EVENTS IN THE REACTOR | I | . | 35 `ContainsDuPont ConfidenfiatBusiness InformatDiooensN.otContainNationalSecurity Information POLYM] ATION MODEL oe ) | | | sy aM - `Contains DuPor ial Business InformaDtoiesoNno.t ContainNationalSecurity Information EF! OF TELOGENS COMPOUNDS T LOWER MW | | | * oo `ContainDsuPontConfifential Busines InforDmoeasNtotiConotanin,National Security Information \ \ |I : 36 || SURFACTA] `OR POLYMERIZATION Tonic Typically salts with a hydrophobic segment (hydrocarbeg or fluorocarbon organic chain segment) and hydrophilic anion. NS eg, R-CH,COO NH NL The dispersion stability is achieved by the particle to particle repulsiotduetoelectrical charge. NY Non-lonic Typically alcohols with a hydrophobic segment (hydrocarbon, silicon or fluorodgrbon || chain segment) and hydrophilic segment made up ethoxylates which extend intoYvater | phase. | `The dispersion stability is achieved by the steric balance between hydrophobic and hydrophilic segments. The ethoxylates having number of hydrogens in the segmentihave telogenic effect on the molecular weight, and therefore, adversely affect the moleculhr . weight | . 9 -- Con PontConidentaBusines Information.Docs Not Contain NationalSecurity Information, EFFORTS TQ REPLACE APFO RY || | | . 5 L Contains DuPor nial BusinessInformation. Does Not ContainNationalSecurity Information. SURFACTANT EVA] TION PROCESS | | || .. | : 3 Contains Duo fal Business Information. Dos Not Contain National Security Information, POTENTIAL FACTANT CANDIDATES EV ATED (1971-19 . 40 - `Contains DuPont Canfitential Business InformaDtoieosNno,tContain Nationa Securit Information, POTENTIAL ACTANT CANDIDATES EVALUA (contd.) (1971-199 | . ul | Technical Summa > The majority of DuPont's products are dispersion'golymerized and require very pure ingredients, including the surfactant, 10achieve high molecular weight. NN > Impurities containing hydrogen cause a significant reduction molecular weight. NL ) > All of the above create a limit in the choice of surfactant. | > Over the last 30 years, DuPont has invested substantial resources to | find an alternative to APFO but has been unsuccessful. | oo yA I. Meeting-Goals Recognize the technological and societal henefits of fluoropolymers. o Provide a clear understanding of the fluoropolyhers manufacturing process, critical technical issues and the role and importance of fluorosurfactants. ~~. So o Share work DuPont has done over the past 30+ years identify and evaluate non-APFO surfactants, and why | suitable replacements have been found. Clarify industry needs to maintain APFO use and develop! | new supply. ol YN tains DuPam tial Business Information. Does Not ContainNationalSecurityInformation. Al tive Supply ~ ~ ~~ . uw No No RN RNIN | sl "