Extracting Plasticizer from Polyvinylbutyral Plastics by Supercritical Fluid

Hui Wang; Kai Da Chen; Jian Gang Fu

doi:10.4028/www.scientific.net/AMR.550-553.908

Paper Titles

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Studies on the Modification of Polypropylene for the Detection Cable
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Preparation and Hygroscopic Property of the Polyacrylamide/MgCl₂ Hybrid Hydrogel
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Extracting Plasticizer from Polyvinylbutyral Plastics by Supercritical Fluid
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Study of a Real Fluid Flow Axial Symmetry in a Cylindrical Cavity
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Extracting Plasticizer from Polyvinylbutyral...

Extracting Plasticizer from Polyvinylbutyral Plastics by Supercritical Fluid

Abstract:

Extraction conditions (flow rate of CO₂, time of extraction, pressure of extraction, temperature of extraction, type of entrainer, content of plasticizer) on the impact of the yield coefficient were discussed, and the best technical parameters were determined in this paper. The results show that the best time is 180 min, pressure is 25 MPa, temperature is 55 °C, flow rate is 25 L/h, and entrainer is 200 mL petroleum ether. The plasticizer’s yield coefficient can reach 78.26% under the conditions, and the performance and structure of resin and plasticizer are almost the same after being extracted.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

908-913

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.908

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Online since:

July 2012

Authors:

Hui Wang*, Kai Da Chen, Jian Gang Fu

Keywords:

Plasticizer, Polyvinylbutyral (PVB), Recycling, Supercritical Fluid

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