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Stephen Orroth


Stephen Orroth
Stephen A OrrothProfessor Emeritus
  • College
    Francis College of Engineering
  • Department
    Plastics Engineering
  • Phone
    (978) 934-3416
  • Email

Research Interests

Polymer processing, injection molding, extrusion screw design, vented barrel injection molding, process control, process modeling and analysis, process optimization, new process development, and plastics process machinery design.

Selected Publications

  • Wong, T.L., Barry, C.M., Orroth, S.A. (2004). The effects of filler size on the properties of thermoplastic polyolefin blends. Journal of Vinyl and Additive Technology, 5(4) 235-240.
  • Malkani, M., Soneta, J., Mead, J.L., Orroth, S.A. (2002). Direct sheet extrusion and thermoforming of TPO compounds. Annual Technical Conference - Society of Plastics Engineers, 60th 702-706.
  • Ghumman, B.S., Orroth, S.A., Barry, C.M. (2002). The effects of compounding conditions on the properties of a polypropylene/polyamide-6 blend. Annual Technical Conference - Society of Plastics Engineers, 60th 3851-3855.
  • Xu, R., Mead, J.L., Orroth, S.A., Stacer, R.G., Truong, Q.T. (2001). Barrier properties of thermoplastic elastomer films. Rubber Chemistry and Technology, 74(4) 701-714.
  • Deanin, R.D., Bhagat, H., Chu, W., Ciulla, R.S., Orroth, S.A. (2001). Practical compatibility of ionomer polyblends. Abstracts of Papers of the American Chemical Society, 221.
  • Barry, C.M., Orroth, S.A. (2000). Processing of Thermoplastics. Modern Plastics Handbook; Harper, C.A., Ed.; McGraw-Hill, 5-1.
  • Saggese, L., Barry, C.M., Orroth, S.A. (2000). The effects of compatibilizers, polyamide-6 grade, and filler type on the properties of TPO/polyamide-6 blends. Annual Technical Conference - Society of Plastics Engineers, 58th 2811-2815.
  • Patel, V., Mehta, S., Orroth, S.A., McCarthy, S.P. (1999). "Single-site" catalyzed polyolefin for fresh-cut produce packaging - a comparison between monoextruded blends and coextruded film. Annual Technical Conference - Society of Plastics Engineers, 57th 391-395.
  • Deanin, R.D., Damani, A., Orroth, S.A. (1999). Polyblends of polystyrene and high-impact polystyrene with styrene-ethylene/butylene-styrene thermoplastic elastomer (1). Annual Technical Conference - Society of Plastics Engineers, 57th 3856-3859.
  • Trivedi, P.J., Deanin, R.D., Orroth, S.A., Dunn, R.F. (1999). Synergistic flame-retardance of polypropylene (1). Annual Technical Conference - Society of Plastics Engineers, 57th 3862-3863.
  • Boivin, K.C., Barry, C.M., Orroth, S.A. (1999). The effect of polypropylene type and filler on the properties of TPO lends. Annual Technical Conference - Society of Plastics Engineers, 57th 3157-3161.
  • Wong, T.L., Barry, C.M., Orroth, S.A. (1999). The effects of filler size on the properties of thermoplastic polyolefin blends. Journal of Vinyl & Additive Technology, 5(4) 235-242.
  • Munot, A., Mead, J.L., Orroth, S.A., Stacer, R.G. (1999). Use of stereolithography for extrusion dies. Annual Technical Conference - Society of Plastics Engineers, 57th 58-62.
  • Deanin, R.D., Orroth, S.A., Bhagat, H. (1998). Polyblends of thermoplastic elastomers with an ionomer. Abstracts of Papers of the American Chemical Society, 215.
  • Lu, J., Barry, C.M., Orroth, S.A. (1997). The effect of die lip temperature on the surface characteristics of polyethylenes. Annual Technical Conference - Society of Plastics Engineers, 55th 347-350.
  • Morawski, M.J., Barry, C.M., Orroth, S.A. (1997). The effect of elastomer type and molding conditions on the properties of TPO blends. Annual Technical Conference - Society of Plastics Engineers, 55th 2752-2756.
  • Deanin, R.D., Orroth, S.A., Bhagat, R.I. (1990). Toughening of nylon 6 by modified polyethylenes. Polymer-Plastics Technology and Engineering, 29(3) 289-295.
  • Malloy, R.A., Orroth, S.A., Arnold, E.S. (1985). TURNING THE SCREW ON BOSS DESIGN. Plastics Engineering, 41(4) 43-47.
  • Lue, C.T., Crugnola, A., Orroth, S.A. (1984). Approaching the Properties of Uhmw High-Density Polyethylene by Crosslinking Low-Molecular-Weight Polyethylene. Plastics Engineering, 40(3).
  • Malloy, R.A., Orroth, S.A., Chen, S.J., Vanhooft, R.J. (1984). Melt Pressure Measurement - Environmental-Effects. Plastics Engineering, 40(3).

Selected Contracts, Fellowships, Grants and Sponsored Research

  • Evaluation of Parachute Cords (2010), -
    Orroth, S.A. (Principal)
  • Identification of Plastic in cup (2012), -
    Orroth, S.A. (Principal)
  • Evaluate Materials for Coefficient of Friction and Flammability (2012), -
    Orroth, S.A. (Principal)
  • Fiber/Polyurethane Dispersion Trials (2012), -
    Orroth, S.A. (Co-Principal)
  • Determination of Resin and Filter in Shoe Insert (2011), -
    Orroth, S.A. (Principal)
  • Funding For Various Initiatives (2009), -
    Orroth, S.A. (Co-Principal)
  • Evaluation of Butyl Rubber for Dynamic & Compression Properties (2011), -
    Orroth, S.A. (Principal)
  • Melt Flow Index Testing of Polycarbonates (2010), -
    Orroth, S.A. (Principal)
  • Contact Angle Analysis (2007), Grant -
    Orroth, S.A. (Principal)
  • Investigation of the Sheet Extrusion Characteristics of Thermoplastics Polyuretha (2007), Grant -
    Orroth, S.A. (Principal)