Conference Paper Number | Year | Session | Description | Key Words |
1 | 2004 | Fall | 10 ways to improve productivity | RPA, MV, MDR, ODR, Cost reduction Automation, High temperature real time testing, Faster tests, MTS, Software |
2 | 1993 | Spring | RPA Testing of Carbon Black and Oil Effects on Rubber Compound Rheology | Filler network effects, Uncured and cured tan delta, Filler recovery tests, Optimal filler loading, Carbon black and oil loading and type effects, Surface area, Structure, OAN, Type of plasticizers, ACN content of NBR Effects, BR vinyl content, Bound styrene effects |
3 | 2002 | Fall | Problems with the Mooney Scorch in the Factory. | RPA, MDR, MV, Viscous heating, Heat buildup, High strain viscous heating, Dynamic viscosity, Filler loading effects, Eta star, Critical Strain, Einstein, Guth, Gold Equation, EGG Model, Thermal Conductivity |
4 | 1999 | Fall | RPA Factory Testing of Natural Rubber and NR based Compounds, Causes of Variation | Mixing conditions, Between NR bale variation, Within NR bale variation, SBR bale variation, Mixing time to dump, Power at Dump, Total energy at dump.CV, Coefficient of Variation, Statistical range |
5 | 1994 | Spring | Advantages of High Strain RPA Testing | Discrete Fourier Transform (DFT), Linear viscoelasticity, Non-linear VE, High Strain Testing of raw rubber, Rubber characterization, Hihg strain effects on rubber compounds, RPA vs. Capillary rheometer, Low and high strain testing of carbon black compounds. |
7 | 1999 | Spring | Direct Viscous Heating Measurements of Compounds and Filler Effects with the RPA | Viscous heating, Effects of strain, Frequency, , Reinforcing factors, Capillary Rheometer, Van der Waals Forces, Types of fillers, EEG Model, Carbon black properties affecting Delta T, Cured heat buildup vs. uncured viscous heating. |
10 | 1998 | Fall | RPA Testing of Processability for Silicone Rubber | V/E Ratio, Thermal ramping, Average Molecular Weight (AMW), Molecular Weight Distribution (MWD). Platinum Cures, Peroxide Cure, MQ, PMQ, FVMQ, Chain entanglements, Crepe Hardening, Fumed silica, Precipitated hydrated silica, Strain vs. Hysteresis, Test Sensitivity, SLR, Liquid Injection Molding (LIM) |
14 | 2003 | Fall | New Useful ASTM Test Methods | ASTM D6204, Parts A, B, C, for rubber processability, ASTM D6601 for cured rubber dynamic properties. ASTM D5900 for IRM’s, ASTM D5899 for raw material classification, new silica standards, Stress relaxation of vulcanizates ASTM 6746, Sealing Pressure, D6646 for green strength. ASTM D5603 for recycling rubber as ground rubber. D6600 for evaluating test sensitivity, Shawbury – Wallace. |
15 | 2001 | Fall | Using RPA in Six Sigma Programs to Solve Factory Problems | Design of Experiments (DOE), Signal to Noise calculation, Mixing Calendering, Extrusion, Injection Molding, Continuous Vulcanization Units. Problems with blisters, bare spots, porosity, delamination, non-fills, dimensional stability, pin holes, lumps, poor dispersion, work history, nerviness, state of mix, heat history, Cure kinetics, First Batch effects, Curative dispersion, Variable temperature cure, isothermal cure, optimum quality costs. |
26 | 1995 | Fall | Application of RPA Stress Relaxation for Problems in Processing | Peak Torque, Zone, Slope Regression Line Intercept, Integrated Area, Time to a given percent drop, Percent drop at a given time, Applied strain, Preheat time, Decay time, Torque threshold, Molecular Weight Distribution (MWD), Long Chain Branching (LCB), Monomer ratio of copolymer, Oil / Black content, Soap emulsion, Vinyl Content, GPC, FTIR, DSC, TGA, Kjedahl nitrogen, MSR, Mooney Stress Relaxation, IISRP Nomenclature, Tan delta, Poly Dispersity Number, Bound ACN in NBR, Yagii and Maekawa Model. |
26 | 1997 | Fall | New FKM Reference Compound vs. SBR Compound vs. EPDM Compound as Standard Reference Compound for MDR and RPA | QS 9000 Quality System Requirements, Accuracy, Repeatability, Reproducibility, Stability, Linearity, Conventional Sulfur Cure, Energy of Activation (EA), Arrhenius Equation, Peroxide cure, AF/Onium cures, SBR Standard Reference Compound, IRM 241 Butyl Rubber, Out of calibration, Dirty dies, Dirty rotors, Rotor height, Air pressure. |
32 | 1994 | Fall | RPA Measurements Before, During and After Cure | DMRT, Temperature increase rates, RPA test configuration, Cure Rate, Constant K, Cure equivalents, Corrected time, Non-isothermal cure behavioer, NR Gum Stock |
33 | 2004 | Fall | Review of Common Rubber Factory Problems and Published Causes and Solutions | Cold Flow, Stability of pre-powder blend, State of mix, Elasticity (nerviness), Viscosity, Dispersion, Bloom, Green strength, Tack, Stickiness, Lumps, Mill Bagging, Mill back rolling, Die swell, Smoothness, Extursion Rate, Melt fracture, Calendering, Blisters, Calender release, Mold release, Mold Fouling, Non-fills, Porosity, Mold Shrinkage, Backrinding, Appearance, Surface Smoothness of extrudate, DPG, CTP, Sulfenamides accelerators, Mixer rotor design, Rotor speed, Friction Ratio, Carbon Black structure, Surface Area, Organo silanes, Silica, Coagents, Vulcanized vegetable oil, Liquid rubber, Shear thinning, Pseudoplasticity, AEM copolymer, Silicone Sprays, Rubber to metal adhesion, low MW polyethylene, SBR 1600, Black Master Batch, Percent ethylene in EPDM, Trans polyoctylene rubber (TOR) Chemical promotors, cis-BR, Mastication, Gear Pump Multi-cut Transfer Mix, Mixer-extruder, carbon black structure, Carbon Black surface area. |
34 | 1996 | Spring | RPA Characterization of Performance of Different Silicas for Processing and Cured Properties | Silica network, Processability Scorch, Thixotropic effects, Tear, Cut-growth, Chunking resistance, MV, TESPT, Organosilane, Mixing, Heat treatment, Abrasion resistance, Wet Traction, Rolling resistance, Polysulfide coupling agent, ASTM D1765, Eta prime, Eta star, Capillary rheometer, Die L/D, Nitrogen surface area, Oil absorption number, Shear Modulus, Agglomeration, High strain test, Recovery test, Non-Newtonian behavior, Shear thinning, Dynamic complex viscosity, Shear thinning, slope, Cox-Merz Rule, Heat history, Thermal Conductivity, Critical strain, Tan delta, VTA cure vs. isothermal cure. |
36 | 2004 | Fall | Using RPA for On-line Testing of Rubber Factory Mixing | SPC, Automotive sealing, EPDM, Processability, Curing parameters, Nylon Film, PET film, Film Thickness, Improve RPA Productivity, Customized external cooling, Trouble shooting, SPC assignable causes of variation, Control charts, Software, Carbon Black with high fines, MWD, Tan delta, Viscosity Control, Detecting operator mistakes, Effects of Mixing time |
37 | 1992 | Fall | General Applications for the RPA in Testing Raw Elastomers, Measuring Processability, and Cured Dynamic Properties | Viscoelasticity, Elastic torque, Viscous torque, Frequency sweep, Strain sweep, Temperature Sweep, Cure, Time test, Test sequences, Subtests, Test configuration, MV, Bound styrene, Solution SBR, ESBR, Hot SBR, Cold SBR, Capillary rheometer, Elastic Modulus, Viscous Modulus, Oil Loading Effects, Tan delta, Plasticizer effects, Naphthenic oil, Paraffinic oil, Aromatic Oil, State of mix, Power integrator, Upside Down Mix, Energy at dump, Time-temperature profiles, Carbon black dispersion, ASTM D2663, Optimal conditions of strain and frequency, Strain crystallization effects of NR, Gum stock, Carbon black network breakdown, Oil addition effects, oil timing, Phase mixing, 50:50 blane, Heat aging correlation study, Tire compounds, Mooney viscosity, Stress relaxation, Anaerobic heat aging. |
41 | 1995 | Spring | Application of Curemeter Maximum Cure Rate in Compound Development | Peak cure rate, Cure curve inflection point, ASTM D2084, ASTM D5289, ISO 6502, Max. torque (MH), Minu=imum Torque (ML), tc10, Time to 10 percent cure, tc50, Time to 50 percent state of cure, tc90, Time to 90 percent state of cure, Minimum Detectable Level (MDL), Tan delta, Tangent line, Signal to Noise (S/N), MDR, RPA, Energy of Activation (EA), Arrhenius Equation, A Preexponential Factor, Conversion rate constant (K), Sulfur-sulfenamide cure, Magnesium oxide / Zinc Oxide Neoprene cure, Methylol terminated phenol -formaldehyde cure, rule of thumb, Reaction rate vs. temperature, Order of conversion rate constant, Order of Reaction (N) , Cross linking reaction, Conversion variable, Incubation Time, Final concentration of cross-links, Peroxide-sulfur cure system, First-order reaction, Second-order reaction, Order of Reactions less than one, Neoprene W, Zinc Oxide, Magnesium oxide, 3-methyl thiazolidine-thione-2, Marching modulus, Radial passenger tread, TCx (Max Cure Rate), First derivative cure, Statistical test sensitivity. |
43 | 2004 | Fall | Using RPA Variable Temperature Analysis (VTA) for Hard-To-Process Oil Field Compounds | RPA, MDR, ODR, Factory Problem Solving, VTA, tan delta, SPC, O ring, Splits in O ring. |
44 | 1991 | Fall | Performance of the MDR vs. the ODR | Short term repeatability, Long term repeatability, Reproducibility, Scorch, Sensitivity, Process capability, Gage R & R, Carbon black variation, Oil variation, ASTM D4483 for precision, Statistical test sensitivity, Signal – to -noise, Peak cure rate, Tan delta @ ML, S’ @ ML, S†@ ML, Tan delta @ MH, S’ @ MH, S†@ MH, One – factor analysis of variance (ANOVA), F Statistic, CP Index, R100, Repeatability vs. reproducibility, tc90, ts1, tc50, Gage rating, Equipment Variation (EV), Appraiser Variation (AV), Total process variation (TV), Percent R & R. |
50 | 2000 | Spring | Comparison of Shear Thinning Behavior of Compounds Based on Different Types of Elastomers Using Capillary Rheometer and RPA | Pseudoplasticity, AMW, MWD, LCB, Gel, Chain Entanglements, Non – Newtonian, EPDM, FKM, CR, CPE, CM, NBR, HNBR, ECO, SCM, Star branched BIIR, ACM, BR Banbury, Specific Gravity, N660 carbon black, Thermoplastic Elastomers (SBS, TPV), L/D. complex viscosity, Real dynamic viscosity, Eta Star, Storage shear modulus, Loss hear modulus, Non-Newtonian Flow, Cox Merz Rule, Coefficient of variation (CV), Maximum sample strain, Maximum shar rate, Percent halogenation, Percent hydrogenation Percent crystallinity. |
50 | 1995 | Spring | Introduction to RPA | Torque measurement system, Thermal system, Stress relaxation, Frequency sweep, Strain sweep, Temperature sweep, Cure, Time test, Matrix test, repeatability of SR |
52 | 2010 | Fall | Selecting Optimum RPA Temperature, Frequency, and Strain for Best Test Sensitivity with Advantages of High Strain Scorch Tests and Longer Cures at Lower Cure Temperature for Better Cure Properties | ASTM D6204 correlation to AMW, Williams, Landel, Ferry (WLF) equation time-temperature Superposition, Correlating to MWD, Correlation to LCB, Cox-Merz and Complex Viscosity, Delta-delta test, Extrusion die swell, Payne Effect, ASTM D6601, Cured Dynamic Properties, Statistical Test Sensitivity, ts1, ts2, tc10, Scorch index Comparison, Conventional vs. EV cured NR formulation, Optimal cure temperature, NR, EPDM, SBR, Strain effects on S/N of D6204 Part C, Cross Link density, Cured hysteresis, Lower Temperature for longer cure time advantage. |
53 | 1998 | Spring | Using MDR-P or RPA-P to Effectively Measure Cure-Blow Balance of Cellular (Sponge) Rubber Compounds | Balance of cure and blow reaction, Cell Density, Induction times, Reaction rate, Accelerators, Crosslinking agents, Activators, Closed Cell Structure, Open cell structure, Bubbles, Cells, Azodicarbonamide, ADC, Kickers, OBSH, P, P’-oxy-bis (benzene sulfonyl hydrazide), Zinc oxide, Percent fill factor, Quantitative Underfilled Sealed Cavity Method (QUSC Method), EPDM, ZnMDC, ZnBDC, DPTT, EVA, SBR/EPDM, Mapping of repeatability, Sealed-full cavity Method, Open Cavity Method, Zinc Oxide, Urea Variation, Peroxides, Reaction Kinetics, Maximum pressure rate (MPR), Maximum cure rate (MCR), Shoe Soling, Sheet Sponge, BBPIB Peroxide, DCP Peroxide |
68 | 1996 | Fall | Effects of HTS on Cure Kinetics | 1,6-Hexamethylene-bis (sodium thiosulfate), Viscositym Scorch time, ASTM D1646, Mooney Scorch, Initial Moony viscosity, Minimum Mooney Viscosity, T2, T5, T15, T35 Mooney Cure Times, ASTM D2084 ODR, MH, ML, ts2, t25, t50, t90, tensile properties, tensile strength, Ultimate elongation, Tear strength, ASTM D624-9, TBBS |
69 | 2013 | Fall | Effective Test Conditions to use on RPA to Measure the Payne Effect of Uncured Silica Loaded Tread Compounds | Extended dynamic range (EDR), F-F filler-filler interaction, P-F polymer filler interaction, Silanization reaction, Reactive mixing, In Situ silica silanization, Eastic modulus G’ response in full strain sweep of uncured tread stock (Payne Effect), Payne Effect Plateau, Banbury mixing, Comparing N234, Silica at 55, 135, 160, 195 square meters / g. Buna VSL 5025-2, Buna CB 24, X50 (50:50 TESPT / N330), Conditioning time at very low strain, Power law, Relationship with maximum G’ and conditioning time, Low strain VTA, Inflection time, VLS (very low strin) for VTA (variable temperature analysis), tan delta, Modified Mullins Effect, Hysteresis, ASTM D8059 (Payne Effect), ASTM D6601 (quantifying strain softening), Thermal annealing on Payne Effect RPA tests. |
70 | 1992 | Spring | Introduction of RPA for Testing Raw Elastomers, Carbon Black Masterbatches, and Comparisons to MTS Dynamic Mechanical Rheological Tester | DMRT, SPC, Voigt Model, Viscoelastic Properties, Elastic shear modulus G’, Viscous shear modulus G’’, TGA, DSC, Kjeldal nitrogen, BR, NBR, SBR, MWD, Tan delta, Power Integrator, Carbon black structure correlation with very high RPA applied strain. Carbon black surface area correlation with very low RPA strain. |
72 | 2005 | Fall | More Sensitive Scorch Test by using Controlled Stress RPA Testing | MDR, ODR, VTA stress, CTP, NR compound, Statistical test sensitivity, Signal / Noise, S/N |
75 | 2008 | Fall | New Rapid RPA Method for Testing TPE | TPE, TPV, Styrenic blocked copolymers (SBC), Thermoplastic polyolefins (TPO), Thermoplastic vulcanizates (TPV), droplets, Solid Particles, DV (dynamic vulcanizates), Ultimate tensile strength, EPDM, Polypropylene, IIR, NBR, Assignable causes of variation, ratio of EPDM to PP, Compression set, Melt rheology, DV temperature, Oil, Filler effects, Super TPV, Polyacrylate rubber / Nylon TPV, Oil resistance, BIMSM, APA, VTM, Parallel plate dies, Fourier transform, Sample thickness (L), Die radius (R), Complex shear modulus (G*), Strain (radians), die gap, 105 Procedure, Target sample weight, Capillary rheometer, Shear thinning slope, Durometer hardness, Non Newtonian, Cox Merz Rule, Real dynamic viscosity, Complex dynamic viscosity, Congealing, Back-to-back strain sweeps, SEBS, tan delta, Durometer hardness, Master curve, ASTM D7605 |
75 | | Fall | Correlating RPA to Capillary Rheometer Die Swell, Allowing for Tan Delta Inversion from Filler Effects | Barus Effects, Nerviness, Apparent viscosity, Complex viscosity, Extrusion, Coiled Macromolecules, Entropy, Orifice L / D, Elastic memory, Running die swell, Relaxed die swell, Non linear viscoelasticity, Linear viscoelasticity, Cox Merz Rule, TESPT, Silica, Carbon black, Organosilane, Extended dynamic range (EDR), Percent die swell, Payne Effect, Uncured tan delta inversion from filler effects. |
77 | 1992 | Spring | Optimal Dynamic and Conventional Property Measurements with the MDR | Heat sink, Degree arc strain, Sealed pressurized cavity, Elastic torque, S’, Viscous torque, S’’, Tan delta, Minimum detectable level (MDL) statistic, Signal to Noise, Peak cure rate, Maximum cure rate, Minimum torque (ML), Maximum torque (MH), State of Mix, Monsanto MPT correlations, ASTM D5289, Shore A hardness, Vibration damping, Passenger tread recipes, Types of oil, Statistical test sensitivity, ASTM D6600, Signal to noise ratio, relaxed die swell, Energy at Dump, Work history, MPT die swell, Natural rubber effects, Percent rebound, carbon black partical size effects, Curative effects, Carbon Black effects, Oil effects |
88 | 2014 | Fall | Adjusting RPA Applied Strain to Improve the Accuracy of Shear Thinning Predictions of the Capillary Rheometer Using the Cox-Merz Rule | Shear thinning, Pseudoplasticity, EDR, RPA, AMW, MWD, LCR, Gel, Chain entanglements, Fillers, Carbon black, Silica, Clay, Whiting, Ground limestone, Non-Newtonian flow, Shear thinning slope, Capillary rheometer, Payne Effect, Goodness of fit to Cox Merz Rule, Critical concentration, Percolation concentration, TESPT, Apparent viscosity calculated from shear stress obtained from pressure transducer measurements located at the entrance to the capillary die instead of from the load cell located at the top of the plunger (which is not as accurate). |
90 | 2012 | Fall | Cure Kinetics and Variable Temperature Analysis Methodologies for Solving Factory Problems | VTA, ASTM D6204, Part C, Reaction rate constant. Activation energy, Minimum torque (ML), Maximum torque (MH), Reaction kinetics module, Marching modulus, Activation energy calculation, Arrhenius equation, Conversion curve, Reaction rate (r), Reaction order (N), Activation energy (EA), Pre-exponential factor (A), Variable temperature analysis, Linear thermal ramp, Coagents, TMA, trifunctional (meth) acrylate ester, HVPBD, High vinyl poly (butadiene) PBDDA, Poly (butadiene) diacrylate, PDM, N,N’ m-Phenylene dimaleimide, Triallyl Cyanurate (TAC), NBR, NR, CPE, TBBS, CBS, Stearic acid, MBTS, TMTD, ZnDETC, DCBS, DZnDBC |
90 | 1997 | Fall | The Effectiveness of RPA Testing in Characterizing Raw Rubbers Regarding Their Processability Properties | NBR, RMA, MV, MSR, Inter-laboratory crosscheck, reproducibility, nitrile rubber, frequency sweep, elastic shear modulus G’, Viscous shear modulus G’’, Mooney stress relaxation, AMW, MWD Bound ACN, Gel content, Complex modulus G*, Polymer blends, normal Bimodal MW Distribution vs. normal MW distribution, Good Processing vs. poor processing, Statistical test sensitivity S/N, ASTM D6600, Short term repeatability, Relative repeatability, Relative Reproducibility, Short term percent CV, vs. long term percent CV (one week) |
91 | 2014 | Fall | Evolution of RPA Test Methodologies for the Rubber Industry | Die design, R & D Application, Industrial factory problems, Quality assurance, AMW, MWD, LCB, Gel tests, DIN 53 529 Part 2 for cure kinetics, activation values, EA, Conversion variable, Conversion curve, Arrhenius plot, cure equivalents, Cure simulator for thick article cures, time-temperature profiles, VTA, ramped transition, Factory problem solving, Non-linear viscoelasticity, Six Sigma Programs, ASTM D6600 (statistical sensitivity), Carbon black particle size correlation with RPA at low strain, Carbon black structure correlation with RPA at high strain. After-cure dynamic properties, Aerobic aged vulcanizate, Dynamic aging, Testing TPE, Testing liquids, Testing Cellular rubber, Direct measure of viscous heating and heat buildup, direct measure of stress relaxation, Master curves of SR, RPA Standards, ISO 13145, ASTM D6204 Part A, B, and C, ASTM D6601, ASTM D6048, ASTM D7050, ASTM D7605, ASTM D5289 |
91 | 1996 | Fall | Cure Profile Measurements of Liquid Elastomer Systems Using MDR / RPA with Special Adaptor | Liquid polymer dam, Platinum cured liquid silicane rubber, Liquid polysulfide, Liquid raw EPR, Liquid polybutadiene rubber with reactive functional groups, Two-part polyurethane systems, elastic torque S’, Cure kinetics Coating application, Adhesion application, Addition reaction between vinyl group in Part A and silicon hydride groups from Part B, Coefficient of variation (CV), 1st order reaction for silicone system, Mercapto terminated polysulfide, Manganese dioxide treatment, Cure rate index, (CRI), Maximum S’ torque (MH), ASTM D5289, TDI terminated polyester prepolymer with MOCA, MDI, Terminated polyether prepolymer, crosslinked with diol. |
96 | 2000 | Fall | Dynamic Aging of Vulcanizates Using RPA | Payne Effect, In situ static aging, Natural rubber inversion, Compression set test, ASTM D395 method B, Strain induced softening, Dynamic aging effects, Back-to-back strain sweeps, Tan delta, Hysteresis, Payne Effect Index, Furnace blacks, Medium thermal black, NBR, FKM, XNBR, Conventional cure, Semi efficient vulcanization, Intermittent Dynamic Aging test, EPDM, CR, IIR, TMTD, CBTS, MBTS, TMTM, DOTG, EDU, MgO, CBS, ZnDBC, OBTS, MBS. |
97 | 1994 | Fall | ASTM in the Globalization of Rubber standards and Specifications | ASTM, ISO, CEN, IATM, ASTM D11 Committee on Rubber, ISO TC 45 Rubber, ISO TC 41 Conveyor Belt standards, ISO TC 157 Condoms, ISO TC61 Plastics, ANSI, Processing Tests, Physical tests for vulanizates, General chemical tests, Rubber product test specifications, statistical Procedures, Standard Material References, Sampling procedures, Nomenclature and terminology, ASTM consensus process to develop new standards, Committee jurisdictions. |
97 | 1997 | Spring | Quality Assurance of Natural Rubber Using RPA | MWD, Polydispersity, Gel, Aldehyde groups crosslinking with free amino acids or protein, Storage hardening, Mooney viscosity, ASTM D1646, Wallace Plasticity Po, ASTM D3194, Plasticity retention index (PRI), ASTM D2227 NR specification, ISO 2000 classification, Po Index, Percent dirt, Percent fatty acid, NR / carbon black recipe ASTM D3192, Mooney stress relaxation MSR, Green strength ISO 9026, Cured durometer hardness, 300% elongation, Goodrich flexometer heat buildup, Permanent set, Zwick rebound, Banbury mastication correlations with RPA, Multiple correlations of the RPA with other traditional tests. |
98 | 1993 | Fall | Alternate RPA Methods to Measure Scorch and Cure Characteristics | RPA, ODR, MDR, ts1, ts2, “true†scorch, Induction time, Bin storage temperature, Bin storage time, Mooney scorch, MH, 10 % cure time, tc10, ASTM D5289, D6204 Part C, Incubation time (ti), Time to peak S’’ viscous torque (t max s’’), Effects of temperature, WLF shift, Effects of strain of S’’ peak, Curative effects, Carbon Black effects, Oil effects, Viscoelastic changes before scorch, aggregate-aggregate filler network, CTP, Statistical test sensitivity, CTP variations, S’’ bulge, % drop in S’’ Cure curve from peak, tcX (% state of cure) |
103 | 2016 | Fall | Quantifying the Affinity Between Carbon Black and Different Base Elastomers Affecting Dispersion Using the RPA Payne Effect Test (ASTM D8059) and Using the RPA Time Sweep to Measure Raw Rubber Breakdown | Depolymerization, Deagglomeration, Raw Rubber, SBR, CM, Q, FKM, CSM, HNBR, CR, BIIR, AEM, ACM, EPDM, IR, BR, NBR, IIR, NR, Trade names: SBR 1500, CPE 4235, Silicone RBB2001-65, Viton B600, Hypalon 3570, Zetrol 2010, GRT, WRT, Bromo Butyl,2244, Vamac G, Hytemp ARR, Nordel IP5565, Natsyn 2200, Budene 220, NBR 2850, Butyl 268, SIR20. MV, N330 carbon black, Breakdown of raw elastomers, high strain |
104 | 2016 | Fall | Effects of Filler Variations on the Rubber Compound Shear Thinning Profiles as Measured by the Capillary Rheometer | Pseudoplasticity, Shear Thinning, Non-Newtonian behavior, N234, N330, N660, Silica, Silica with organosilane, clay, whiting (ground limestone), capillary rheometer, RPA |
107 | 2006 | Fall | An Overview of Capillary Rheometry for Testing Rubber Compounds | ASTM D5099, Piston type rheometer, Shear Rate, Shear stress, Apparent Viscosity, Percent die swell, Running die swell, Relaxed die swell, L / D of die, MPT capillary rheometer, ARC 2020, Non-Newtonian Behavior, Apparent shear stress, Apparent shear rate, Power law index (N), Correction factors, Bagley Correction, Rabinowitsch Correction, True shear rate, Appearance of Extrudate, Melt fracture, Appearamce of extrudate, Snakeskin, Skip-skip, Capillary scorch test, Wall slippage, Capillary tube flow, Macosko test, RPA, Cox-Merz Rule, CSM, CR, FKM, CM, EPDM, NR, HNBR, BIIR,ACM, Dynamic complex viscosity, Carbon blacks, Silica, Power law slopes of capillary rheometer vs. RPA, Factory die swell vs. capillary die swell, tan delta, vs. die swell, advantages and disadvantages of capillary rheometer vs. RPA, Factory problem solving in production with capillary rheometer in mixing, calendaring, injection molding. |
134 | 2007 | Fall | New RPA Method for Measuring the Effects of Post-Cure or Aerobic Aging on Compound Dynamic Properties | APA, Parallel plate dies, FKM, Silicone Rubber, ACM, AEM, HNBR, Venting gaseous byproducts from vulcanization (post cure), bisphenol AF, Antioxidants, NR, TMQ, 6PPD, HTS, BCI-MX, Shear modulus from parallel plate dies, Die gap, Special O-ring, Nylon 6,6, Film Target weight equation, Silicone study, Fluoroelastomer study, Natural rubber air aging study, NR compound, |
164 | 2009 | Fall | Smarter Rubber Testing that Contributes to the Rubber Industry’s Productivity Gains | US Labor productivity gains, Factory receiving, Mixing, Extrusion, Calendering, Injection molding, Product Building, Curing, Final Finish, Continuous Mixing, Silica, Automation, Computer control, Misalignment, Barrel extruders, Gear Pump, Quadroplex Extrusion line, Tread Books, Shorter cure cycles, Turbo-cure, Runner split, Tire building, C3M, MIRS, IMPACT, BIRD, MMP, Ultrasound, Advances in factory layouts, Efficiencies and logistics, LEAN, Six Sigma, Kaizen, 5 S Methodology, New materials, TPE, TPV, Polyurethane systems, EPDM / PP TPV, Continuous vulcanization Unit (CVU), Weather Stripping, Nylon / BIMSM TPV, Improvements in productivity of rubber testing, Shorter tests, Faster tests, Substitution of MDR for ODR, Substitution of MV with RPA, Substitute RPA for MV, ODR/MDR, tensile test, hardness. Use auto RPA. Use auto density and durometer tests. Use multi-station tensile tester. Improved test sensitivity. |
A23 | 2018 | Fall | Comparison of States of Mix for Silica Loaded Compounds Using Payne Effect and Reflective Microscope | Payne Effect, ASTM D8059, D7723, RPA, Reflective Microscope, Silica, Dispersion, Percent Z, Percent Incorporation, Percent Dispersion, BWT, Black Wetting Time, Wetting Time, Incorporation Time, Silanization, Silica Dispersion, Carbon Black, Dispersion, SBR/Silica, SBR, NR, BR, BIIR, N330, IIR, Microscope, NBR, Silica, Mixing |
| A34 | 2020 | Fall | Comparative Advantages of Different RPA ASTM Methods for Detecting Rubber Compound Quality Differences | Comparative advantages, ASTM D6204-A, D6204-B, D6048, D8059, RPA, Frequency sweep, Stress relaxation, Payne Effect, N234, N660, N990, Hard Clay, Whiting, Ppt. Hydrated Silica, High Strain Frequency Sweep, Low Strain Frequency Sweeps, Tan delta, G’ shear modulus |
| A49 | 2020 | Fall | Effects from Variations in Applied Strain in RPA Testing on Statistical Test Sensitivity | Statistics, Statistical Test Sensitivity, Minimum Detectable Level, Statistical Process Control, SPC, S/N, ASTM D6600, D4483, MDR, RPA, Signal-to-Noise Ratio, NBR, High Strain Frequency Sweeps, Non-linear Viscoelasticity |
| ARG 92 | 1992 | Spring | Viscoelastic Characterization with a New Dynamic Mechanical Tester | DMRT, RPA, Torque Signal, S’ torque, S’’ torque, tan delta, Temperature control, Graphical User Interface |
| B08 | 2018 | Fall | ASTM International and ISO TC45 Rubber Standards in Today’s World Economy | ISO, ASTM, CEN, ANSI, Development Process, F9 Tires, C24, Seals, D24, Carbon Black, F3, Gaskets, D9, Electrical Insulation, TC41 Belts, TC157, Condoms, TC61, D20, Plastics, ISO Member Nations, ISO Consensus Process, US Representation in ISO for Rubber Classification System, Physical Tests, General Chemical Tests, Compounding Ingredients, Raw Materials Classification, Statistical Standard Material References, Sampling, Product Tests |
| B21 | 2022 | Fall | Effects of Different Recycled Rubber Powders on the Rheology of Rubber Compounds | RRP, Recycled Rubber Powders, ASTM D6204 A, B, Large angle strain sweeps, deagglomeration, |
| B29 | 2017 | Fall | Comparison of States of Mix Using the New Payne Effect Method vs. the ASTM Dispersion Method | State of mix, Payne Effect, % Dispersion, EDR, D8059, Mastication, N330, SBR, HNBR, CR, BIIR, EPDM, BR, NBR, IIR, NR, CSM, Alpha View, Dispergrader, Light Refecting Microscope, BR Banbury, % Z Dispersion, Blending, Aggregate Network, Payne Effect, % Z, Compatibility Dispersion, Affinity for Carbon Black. |
| C08 | 2021 | Fall | Most Effective Tests for Measuring Quality of Mix when Using Recycled Rubber Powders | Recycled Rubber Powders, RRP, RPA Processability, MDR, RPA, ASTM D6204-A, B, C, D6601, D7050, D6048, D8059, DisperGrader, Light Reflecting Microscope, Frequency Sweeps, High Strain, Low Strain, Stress Relaxation, SBR, N234, Ground Rubber, Payne Effect |
| C12 | 2022 | Fall | Quantifying Subtle Differences among Different Grades of Zinc Oxide Used Commercially in the Rubber Industry | Zinc oxide, ASTM Tests, Tpical Properties of Zinc Oxide, % Lead, % ZnO, % Sulfur, Heat Loss, Surface Area, American Process ZnO, Commercial Blend of Zinc Oxide, Neoprene Belt Skim, G’’ Loss Shear Modulus, G’ Elastic Shear Modulus, E’ Elastic Modulus, Slkcorch, Low Rolling Resistance of Tires, Silica Treads, 3rd Generation Silica Treads, Order of Mix, Cure Times, Tan Delta, Sub ambient Tan Delta, Goodrich Flexometer Blow Out Time. |
| C19 | 2021 | Fall | Most Effective Viscoelastic Properties from RPA for Measuring Factory Quality of Mix | Tan delta, G’ Elastic Shear Modulus, G’’ Viscous Shear Modulus, G* Complex Shear Modulus, D6204 Part A Low Strain, Part B High Strain, N234, N990, Hard Clay Whiting, Silica, TeESPT, SBR |
| C29 | 2019 | Fall | RPA Rubber Testing By the Numbers – The ASTM Numbers | ASTM D5289, ASTM D6204 A, 6204 B, 6204 C, ASTM 6601, ASTM D7050, ASTM D6048, ASTM D8059, ASTM D7605, Raw Rubber Measurements Mixed Stock, Cure Properties, Sured Dynamic Properties, Factory Performance Parameters, Testing, TPV, TPE |
| C31 | 2019 | Fall | Measuring Silica Dispersion Quality in Rubber Mixing | SBR, TESPT, ASTM D7723, ASTM D8059, Measuring Incorporation time, Dispersion Time, Compatibility, % Z Number for Dispersion |
