Dyeing of polylactide fibers in supercritical carbon dioxide | Zendy

Wen Huibing | Zendy; Dai Jin Jin | Zendy

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Dyeing of polylactide fibers in supercritical carbon dioxide

Author(s) -

Wen Huibing,

Dai Jin Jin

Publication year - 2007

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.26234

Subject(s) - dyeing , supercritical carbon dioxide , materials science , supercritical fluid , aqueous solution , composite material , fiber , disperse dye , chemical engineering , carbon dioxide , breaking strength , polymer chemistry , chemistry , organic chemistry , engineering

Polylactide (PLA) fibers were dyed with Disperse Blue 79 in supercritical carbon dioxide (SC‐CO 2 ). The effects of dyeing conditions such as the temperature, pressure, and time on the dyeing and mechanical properties were discussed in comparison with those in water. A major advantage of dyeing PLA in SC‐CO 2 over dyeing PLA in an aqueous medium was its much better retention of the fiber strength. The loss of the breaking strength of PLA dyed in SC‐CO 2 at 120°C for 60 min was 9.22% versus a 44.66% loss in aqueous dyeing at the same temperature. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007

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