Rheological properties and foam processability for blends of linear and crosslinked polyethylenes

Document Type

Article

Publication Date

9-18-2001

Abstract

The effect of blending crosslinked linear low-density polyethylene (cLLDPE) on the rheological properties and foam processability of linear low-density polyethylene was studied. A small addition of cLLDPE, which had a low density of crosslink points, enhanced strain-hardening behavior in the elongational viscosity to a great degree, although it had little effect on the steady-state shear viscosity. The enhanced strain hardening reduced heterogeneous deformation during foaming. As a result, a foam with a uniform cell size distribution was obtained.

Identifier

0035909030 (Scopus)

Publication Title

Journal of Polymer Science Part B Polymer Physics

External Full Text Location

https://doi.org/10.1002/polb.1189

ISSN

08876266

First Page

2159

Last Page

2167

Issue

18

Volume

39

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