Antibacterial polymer fibres by rosin compounding and melt-spinning

M. Kanerva; A. Puolakka; T. M. Takala; A. M. Elert; V. Mylläri; I. Jönkkäri; E. Sarlin; J. Seitsonen; J. Ruokolainen; P. Saris; J. Vuorinen

doi:10.1016/j.mtcomm.2019.05.003

Antibacterial polymer fibres by rosin compounding and melt-spinning

M. Kanerva^*, A. Puolakka, T. M. Takala, A. M. Elert, V. Mylläri, I. Jönkkäri, E. Sarlin, J. Seitsonen, J. Ruokolainen, P. Saris, J. Vuorinen

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

The antibacterial features of natural pine/spruce rosin are well established, yet the functionality in various thermoplastics has not been surveyed. This work focuses on the processing of industrial grade purified rosin mixed with polyethylene (PE), polypropylene (PP), polylactic acid (PLA), polyamide (PA)and corn starch based biopolymer (CS). Homopolymer masterbatches were extrusion-compounded and melt-spun to form fibres for a wide range of products, such as filters, reinforcements, clothing and medical textiles. Due to the versatile chemical structure of rosin, it was observed compatible with all the selected polymers. In general, the rosin-blended systems were shear-thinning in a molten condition. The doped fibres spun of PE and PP indicated adequate melt-spinning capability and proper mechanical properties in terms of ultimate strength and Young's modulus. The antibacterial response was found dependent on the selected polymer. Especially PE with a 10 wt% rosin content showed significant antibacterial effects against Escherichia coli DH5α and Staphylococcus aureus ATCC 12598 when analysed in the Ringer's solution for 24 h.

Original language	English
Article number	100527
Journal	Materials Today Communications
Volume	20
Early online date	1 Jan 2019
DOIs	https://doi.org/10.1016/j.mtcomm.2019.05.003
Publication status	Published - Sep 2019
MoE publication type	A1 Journal article-refereed

Keywords

Antibacterial
Fibre
Melt spinning
Thermoplastics

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Equipment

OtaNano

Anna Rissanen (Manager)

Aalto University

Facility/equipment: Facility

OtaNano - Nanomicroscopy Center

Janne Ruokolainen (Manager)

Department of Applied Physics

Facility/equipment: Facility

Cite this

Kanerva, M., Puolakka, A., Takala, T. M., Elert, A. M., Mylläri, V., Jönkkäri, I., Sarlin, E., Seitsonen, J., Ruokolainen, J., Saris, P., & Vuorinen, J. (2019). Antibacterial polymer fibres by rosin compounding and melt-spinning. Materials Today Communications, 20, [100527]. https://doi.org/10.1016/j.mtcomm.2019.05.003

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abstract = "The antibacterial features of natural pine/spruce rosin are well established, yet the functionality in various thermoplastics has not been surveyed. This work focuses on the processing of industrial grade purified rosin mixed with polyethylene (PE), polypropylene (PP), polylactic acid (PLA), polyamide (PA)and corn starch based biopolymer (CS). Homopolymer masterbatches were extrusion-compounded and melt-spun to form fibres for a wide range of products, such as filters, reinforcements, clothing and medical textiles. Due to the versatile chemical structure of rosin, it was observed compatible with all the selected polymers. In general, the rosin-blended systems were shear-thinning in a molten condition. The doped fibres spun of PE and PP indicated adequate melt-spinning capability and proper mechanical properties in terms of ultimate strength and Young's modulus. The antibacterial response was found dependent on the selected polymer. Especially PE with a 10 wt% rosin content showed significant antibacterial effects against Escherichia coli DH5α and Staphylococcus aureus ATCC 12598 when analysed in the Ringer's solution for 24 h.",

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author = "M. Kanerva and A. Puolakka and Takala, {T. M.} and Elert, {A. M.} and V. Myll{\"a}ri and I. J{\"o}nkk{\"a}ri and E. Sarlin and J. Seitsonen and J. Ruokolainen and P. Saris and J. Vuorinen",

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AU - Puolakka, A.

AU - Takala, T. M.

AU - Elert, A. M.

AU - Mylläri, V.

AU - Jönkkäri, I.

AU - Sarlin, E.

AU - Seitsonen, J.

AU - Ruokolainen, J.

AU - Saris, P.

AU - Vuorinen, J.

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N2 - The antibacterial features of natural pine/spruce rosin are well established, yet the functionality in various thermoplastics has not been surveyed. This work focuses on the processing of industrial grade purified rosin mixed with polyethylene (PE), polypropylene (PP), polylactic acid (PLA), polyamide (PA)and corn starch based biopolymer (CS). Homopolymer masterbatches were extrusion-compounded and melt-spun to form fibres for a wide range of products, such as filters, reinforcements, clothing and medical textiles. Due to the versatile chemical structure of rosin, it was observed compatible with all the selected polymers. In general, the rosin-blended systems were shear-thinning in a molten condition. The doped fibres spun of PE and PP indicated adequate melt-spinning capability and proper mechanical properties in terms of ultimate strength and Young's modulus. The antibacterial response was found dependent on the selected polymer. Especially PE with a 10 wt% rosin content showed significant antibacterial effects against Escherichia coli DH5α and Staphylococcus aureus ATCC 12598 when analysed in the Ringer's solution for 24 h.

AB - The antibacterial features of natural pine/spruce rosin are well established, yet the functionality in various thermoplastics has not been surveyed. This work focuses on the processing of industrial grade purified rosin mixed with polyethylene (PE), polypropylene (PP), polylactic acid (PLA), polyamide (PA)and corn starch based biopolymer (CS). Homopolymer masterbatches were extrusion-compounded and melt-spun to form fibres for a wide range of products, such as filters, reinforcements, clothing and medical textiles. Due to the versatile chemical structure of rosin, it was observed compatible with all the selected polymers. In general, the rosin-blended systems were shear-thinning in a molten condition. The doped fibres spun of PE and PP indicated adequate melt-spinning capability and proper mechanical properties in terms of ultimate strength and Young's modulus. The antibacterial response was found dependent on the selected polymer. Especially PE with a 10 wt% rosin content showed significant antibacterial effects against Escherichia coli DH5α and Staphylococcus aureus ATCC 12598 when analysed in the Ringer's solution for 24 h.

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