UMass Amherst

H. Henning Winter

Distinguished Professor, Dept. of Chemical Engineering
A217 Conte, University of Massachusetts
Amherst, MA 01003-9292
(413) 545-0922
winter@ecs.umass.edu
http://www.ecs.umass.edu/che/faculty/winter.html

Polymer Rheology, Novel Polymeric Materials Through Processing

We study the rheology and structuring of complex polymeric materials under well-defined experimental conditions. These include extreme conditions in time, pressure, temperature, and molecular ordering.

Research Interest Potential Application
Molecular topology and dynamics Systematic design of polymeric materials for optimal processing
Nano- phase separated block copolymers near the gel point.  Gelation is introduced by network formation, crystallization, and/or glass transition New processing methods near the gel point
Supercritical fluids processing:   Nanoporous polymers through crystallization from the gel state Ultra-clean open-pore polymer scaffolds for cartilage or bone cell growth
Flow induced nucleation in semi-crystalline polymers New polymer morphologies through processing and through molecular topology

Honors and Awards

  • Editor, Rheologica Acta
  • Vice-Chair of Gordon Conference "Elastomers, Networks, and Gels;" Chair-elect for 2005-2007
  • Samuel Conti Faculty Fellowship Award, 2004
  • Alexander von Humboldt Senior Scientist Award, 1999
  • National Science Foundation Creativity Award, 1997
  • Bingham Medal, Society of Rheology, 1996
  • Outstanding Senior Faculty Award, UMass Amherst College of Engineering, 1991

Publications

  1. Winter H.H., Gappert G., Ito H. (2002) “Rigid pore structure from highly swollen polymer gels,” Macromolecules 35:3325-3327.
  2. Elmoumni A., Winter H.H., Waddon A., Fruitwala H. (2003) “Correlation of material and processing time scales with structure development in isotactic polypropylene crystallization.” Macromolecules 36 (17), 6453-6361.
  3. Gelfer, M., Horst R., Winter H.H., Heintz A., Hsu S.L. (2003) “Physical Gelation of Crystallizing Metallocene and Ziegler-Natta Ethylene-Hexene Copolymers.” Polymer 44:2363-2371.
  4. Acierno S., Grizzuti N., Palomba B., Winter H.H. (2003) “Effect of Molecular Weight on the Flow-Induced Cystallization of Isotactic Poly(1-butene).”  Rheologica Acta 42:3, 243.
  5. Van Horn B. and Winter H.H. (2003) “Conoscopic Measurement of Birefringence in Biaxially Stretched Polymer Films and Sheets for On-line or Off-line Applications,”  Macromolecules 36:8513-8521.