Journal
MATERIALS
Volume 14, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/ma14040844
Keywords
PVC; primary plasticizer; migration resistance; bio-based plasticizers; plasticizing efficiency
Categories
Funding
- Ministry of Science and Higher Education, Poland [RJO15/SDW/001-09]
- Silesian University of Technology [04/040/BK_20/0113, 04/040/BKM20/0119, 04/040/BK_21/0145]
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This paper reviews the trend of replacing commonly used plasticizers in PVC with new compounds to enhance mechanical properties and plasticizing efficiency. The novel plasticizers are divided into three groups based on the replacement strategy. Comparison of the chemical and physical properties of PVC formulations with different plasticizers shows improvements in polymer performance with some new plasticizers.
This paper reviews the current trends in replacing commonly used plasticizers in poly(vinyl chloride), PVC, formulations by new compounds with reduced migration, leading to the enhancement in mechanical properties and better plasticizing efficiency. Novel plasticizers have been divided into three groups depending on the replacement strategy, i.e., total replacement, partial replacement, and internal plasticizers. Chemical and physical properties of PVC formulations containing a wide range of plasticizers have been compared, allowing observance of the improvements in polymer performance in comparison to PVC plasticized with conventionally applied bis(2-ethylhexyl) phthalate, di-n-octyl phthalate, bis(2-ethylhexyl) terephthalate and di-n-octyl terephthalate. Among a variety of newly developed plasticizers, we have indicated those presenting excellent migration resistance and advantageous mechanical properties, as well as those derived from natural sources. A separate chapter has been dedicated to the description of a synergistic effect of a mixture of two plasticizers, primary and secondary, that benefits in migration suppression when secondary plasticizer is added to PVC blend.
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