Current Advances in Technology. Dr. Ashok M. Sarpeshkar PMA Spring Meeting

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1 Current Advances in Technology Dr. Ashok M. Sarpeshkar PMA Spring Meeting

2 Global Polyurethane CASE Market The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again. (Tonnes) IAL Consultants, May 2001

3 Polyurethane Elastomer Market Elastomers 38% Spandex 14% 19% TPU 29% RIM 2000 API End-Use USA Market Study

4 Objectives Elastomer Types Hot-Cast vs. One-Shot Elastomers New Raw Materials New Technologies, Applications Safety Conclusions

5 The World of Elastomers

6 Elastomer Types Hot Cast One-Shot Optically Clear Ultra Low Hardness Spray & Roll Covering Thermoplastic RIM

0% Processed @ 80 C Extended with 1,4-BD

7 Hot-Cast Elastomers MDI or TDI prepolymer NCO content <10.0% 80 C Extended with 1,4-BD or MOCA 110 C/16hr. Superior mechanical properties

8 Hot Cast vs. One-Shot Systems Hot Cast One-Shot Prepolymer, %NCO Low High Viscosity High Low Processing Temperatures High Low Mix Ratio 10: 1 1:1-1:2 Degassing Required Yes Not Usually Postcure Yes Yes & No Component Functionality 2 2 & higher Elastomer Performance High Low to medium

9 One-Shot Elastomers Electrical Encapsulation Furniture Edging Cable Splicing

setting & curing 1,050 parts 122 parts Excellent

10 Spray & Roll Covering One-shot systems MDI quasi prepolymers Polyurethane & Polyurea hybrids Fast setting & curing 1,050 parts 122 parts Excellent physical properties 244 parts 0 parts Time (hr)

11 RIM Elastomers

12 RIM Elastomers Mail Chute Truck Box Snow Shoe

13 New Raw Materials Liquid 4,4 -MDI 1 Liquid MDI Prepolymers for hot-cast and one-shot processing Freeze-stable MDI quasi-prepolymers 2 TDI prepolymers with low monomer contents 3 Low monol containing, high MW polypropylene glycols 1 US Patent 6, 120, 699; 2 US Patent 6, 482, 913; 2 US Patent 6, 242, US Patent 5, 925, 781; 3 US Patent 5, 817, 734

14 New Technologies Optically Clear Elastomers Energy-Absorbing Elastomers earthquake control devices energy-absorbing cervical discs Ultra-soft elastomers use of high MW, low monol polyols wrist and mouse pads bicycle seats, medical prosthesis Elastomers with low compression sets seals, gaskets Elastomeric canal lining systems

15 Optically Clear Elastomers Impact resistant elastomer with embedded bullet

16 Optically Clear Elastomers Aliphatic Isocyanate Prepolymers Low & High NCO Hot-Cast & One-shot Systems Amine cured Polyol/Amine blend Superior Properties Tensile 7000 psi Elong 550 % Split Tear 120 pli Hardness 70A - 70D Resilience 60% Softening Pt. 200 C Tg -60 C

17 Optically Clear Elastomers - Applications Security Glazing - building - vehicles Transparent Armor Eye & Face Protection Aircraft Transparencies - canopies - windows Sports Equipment

18 Energy-Absorbing Elastomers o o o o Component A Di-functional Prepolymer Functional Isocyanate Tri-functional Isocyanate Di-functional Isocyanate Component B Tri-functional Polyol ± Di-functional Polyol Tri-functional Polyol ± Di-functional Polyol Di-functional Polyol Di-functional Polyol Tri-functional Polyol U.S. Patent 5,013,810; U.S. Patent 5,081,210; U.S. Patent 5,079,328; U.S. Patent 5,081,204; U.S. Patent 5,079,327

19 Energy-Absorbing Elastomers

20 Energy-Absorbing Elastomers

21 Energy-Absorbing Elastomers Shore A Elastomer

temperature Prepolymers with low NCO content Polyethers

22 Ultra-Soft Elastomers Elastomers with hardness in the O, OO & OOO range One-shot systems processed at ambient temperature Prepolymers with low NCO content Polyethers with high MW Under-indexed or plasticized to achieve properties

23 Elastomers with Low Compression Sets User-friendly one-shot systems, prepolymers, PMDI Varying avg. functionality of iso or polyol component Presence of 2,4-MDI critical for low comp. Set Patented technologies for MDI systems US Patent 6, 248, 856; US Patent 6, 277, 943

24 Canal Lining Systems One-Shot Elastomeric System Applied to geotextile on site Good adhesion to geotextile Hydrophobic, durable & leakproof Excellent physical properties

25 Canal Lining Systems Day 2, after cleaning Original condition of farm canal in Twin Falls, Idaho

26 Canal Lining Systems Day 4, Water flows in canal Day 3, Lining Installed

27 Elastomer Applications boat fenders helicopter blade sleeves brake diaphrams hydraulic seals bumper pads rollers for steel & paper mills conveyor belts oil and mud hydrocyclones copier rolls O-rings crane-shock absorbers pipeline pigs dead blow hammers potting compounds die-cut pads (paper box industry) pump liners drilling-pipe thread protectors rod stock drive belts roller skate wheels elevator wheels shaft couplers encapsulated concrete-mixer blades sheet goods encapsulated gate valves skate board wheels encapsulated transponders (cattle tags) snowplow blades forklift tires and wheels sound-damping pads gears special running shoes grain and coal chutes sprockets grain buckets wheel chocks

29 Safety Safe handling of hot prepolymers Use of exhausts to vent isocyanate vapors, esp. TDI Temp. resistant gloves for handling molds, etc. Proper PPE needed for handling aliphatic isocyanates that are skin sensitizers

30 Conclusions User-friendly raw materials & systems New raw materials New technologies Applications limited only by formulator s imagination

31 Acknowledgements Forcefin forcefin.com Innovative Technologies Inc. innovativetechnologies.biz Urethane Services urethaneservices.com Algood Casters Ltd. algood-casters.com Sunray-Inc. Sunray-inc.com Cisco-Eagle cisco-eagle.com Seismic Shock Control Systems Inc. seismicshock.com Advanced Urethane Solutions, Inc. urethane.net Langeman Mfg. Ltd. reflextruckliners.com

32 Thank You for Your Attention

TDI-terminated polyester based prepolymer

PRODUCT DATA VIBRATHANE 8080 TDI-terminated polyester based prepolymer Urethane Prepolymers VIBRATHANE 8080 VIBRATHANE 8080 is a TDI-terminated polyester based prepolymer which yields an 80 Shore A hardness