Rheological properties and interfacial slip of a multilayer structure under dynamic shear

@article{citeulike:1290196, abstract = {Interfacial slip between polymer melt under steady shear has been studied using a simplified multilayer structure. In this investigation, interfacial slip under dynamic shear was studied by calculating the angular displacements of the multilayer structure and its component layers. On the basis of the angular displacements, a slip index was defined to quantify the degree of interfacial slip. A relationship governing the rheological behavior of the multilayer structure under slip and nonslip condition was established. These results were correlated with equations derived from consideration of energy equilibrium in the multilayer structure. Polymer multilayer structures of high-density polyethylene/polystyrene and liquid crystal polymer(LCP)/poly ethylene naphthalate(PEN) were investigated. Of all the polymers investigated, large interfacial slip was found at LCP/PEN interface under dynamic shear. The high rigidity and alignment along the interface of LCP molecules was believed to prevent chain entanglement in the interfacial layer and therefore promote interfacial slip at the interface. {\copyright} 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 2683-2693, 2005}, address = {School of Mechanical and Production Engineering, Nanyang Technological University, Singapore, Republic of Singapore; Wood Materials and Engineering Lab, Washington State University, Pullman, Washington, USA}, author = {Jiang, L. and Lam, Y. C. and Zhang, J. }, citeulike-article-id = {1290196}, doi = {10.1002/polb.20557}, journal = {Journal of Polymer Science Part B: Polymer Physics}, keywords = {film, multi-layer}, number = {19}, pages = {2683--2693}, posted-at = {2007-05-11 16:52:02}, priority = {2}, title = {Rheological properties and interfacial slip of a multilayer structure under dynamic shear}, url = {http://dx.doi.org/10.1002/polb.20557}, volume = {43}, year = {2005} }

TY - JOUR ID - citeulike:1290196 L3 - citeulike-article-id:1290196 TI - Rheological properties and interfacial slip of a multilayer structure under dynamic shear JF - Journal of Polymer Science Part B: Polymer Physics VL - 43 IS - 19 SP - 2683 EP - 2693 AD - School of Mechanical and Production Engineering, Nanyang Technological University, Singapore, Republic of Singapore; Wood Materials and Engineering Lab, Washington State University, Pullman, Washington, USA N2 - Interfacial slip between polymer melt under steady shear has been studied using a simplified multilayer structure. In this investigation, interfacial slip under dynamic shear was studied by calculating the angular displacements of the multilayer structure and its component layers. On the basis of the angular displacements, a slip index was defined to quantify the degree of interfacial slip. A relationship governing the rheological behavior of the multilayer structure under slip and nonslip condition was established. These results were correlated with equations derived from consideration of energy equilibrium in the multilayer structure. Polymer multilayer structures of high-density polyethylene/polystyrene and liquid crystal polymer(LCP)/poly ethylene naphthalate(PEN) were investigated. Of all the polymers investigated, large interfacial slip was found at LCP/PEN interface under dynamic shear. The high rigidity and alignment along the interface of LCP molecules was believed to prevent chain entanglement in the interfacial layer and therefore promote interfacial slip at the interface. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 2683-2693, 2005 KW - film KW - multi-layer AU - Jiang, L AU - Lam, YC AU - Zhang, J PY - 2005/// UR - http://dx.doi.org/10.1002/polb.20557 ER -