Contributions to characterization of poly(vinyl chloride)-lignin blends

被引：0
|
作者：
Banu, D. [1 ]
El-Aghoury, A. [1 ]
Feldman, D. [1 ]
机构：
[1] Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Que. H3G 1M8, Canada
来源：
Journal of Applied Polymer Science | 2006年 / 101卷 / 05期
关键词：
The present study evaluates the impact of blending organosolv and kraft lignins; which are natural polymer by-products in the pulp and paper industry; with plasticized poly(vinyl chloride) (PVC) in flooring formulations. Also examined is the impact of replacing dioctyl phthalate; a PVC industry general-purpose plasticizer; with diethylene glycol dibenzoate (Benzoflex 2-45); tricresyl phosphate (Lindol); or alkyl sulfonic phenyl ester (Mesamoll) in these formulations. The influence of the different types of lignins and plasticizers on the processibility; thermal; and mechanical properties of the blends is discussed. These properties demonstrate that partial replacement of PVC (20 parts) with different lignins is feasible for some formulations that can be successfully used as matrices for a high level of calcium carbonate filler in flooring products. In addition; the data demonstrate that the presence of certain plasticizers; which interfere with the intramolecular interactions existing in lignins; may allow the lignin molecules to have more molecular mobility. The morphology and the properties of PVC plasticized lignin blends are strongly influenced by the degree and mode of the lignin plasticization and its dispersion within the PVC matrix. © 2006 Wiley Periodicals; Inc;
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页码：2732 / 2748
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