Journal
CHEMICAL ENGINEERING JOURNAL
Volume 166, Issue 3, Pages 1170-1178Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2010.12.031
Keywords
MAH-PP; Polypropylene composites; Lignocellulose fibers; Mechanical properties
Categories
Ask authors/readers for more resources
The use of coupling agents based on polyolefins is an interesting strategy for the preparation of composites with marked different chemical structure between their components. That is the case of polypropylene-based composites reinforced with lignocellulose fibers. In this work a deep study of the influence of the intrinsic parameters of maleated polypropylene (MAH-PP) has been carried out in order to determine the effect of its acid number as well as molecular weight in mechanical properties of composites reinforced with low cost reinforcements, under tensile, flexural and impact stresses, flow capacity, water absorption behavior and surface morphology. The use of high functionalized MAH-PP coupling leaded to important improvements in mechanical stresses and also a lower capacity of water absorption due to the formation of thinner interfaces. In the case high molecular weight MAH-PP agents, even higher than plain polymer matrix, conducted to an interesting increase in unnotched Charpy Impact Strength attributed to a low dispersion of the coupling agent in the matrix during mixing process keeping microdomains that help to avoid crack propagation. (C) 2010 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available