Thermal resistance of organic nanoparticle coatings for hydrophobicity and water repellence of paper substrates

• Autorzy: Samyn P. , Schoukens G. , Kiekens P. , Mast P. , Van den Abbeele H. , Stanssens D. , Vonck L
• Języki publikacji: EN

Abstrakty

EN

The modification of paper substrates by organic nanoparticle coatings offers an attractive alternative for creating hydrophobic and water-repellent surfaces without fluorinated chemicals. The nanoparticles were synthesized by imidization of poly(styrene-maleic anhydride) and applied to a standard paper grade by means of a laboratory bar-coating process. The effects of supplementary heat treatments of the coated papers were investigated in terms of coating morphology and hydrophobicity: a unique coating structure is formed with a combination of microdomains that are internally structured at the nanoscale. The relatively high glass transition temperature of the nanoparticles allows for good thermal stability of the coating with almost no morphological changes at heating up to 180°C. The changes in chemical composition were investigated by diffuse reflectance infrared spectroscopy (DRIFT) and UV/VIS spectroscopy. The latter techniques qualitatively describe the effects of thermal treatments on the imide and styrene moieties. Contact angle measurements indicate that there is an optimum curing temperature in order to obtain a maximum advancing contact angle of 133° to 150°.

Słowa kluczowe

EN

nanotechnology; paper; coating; hydrophobicity; water repellence

PL

nanotechnologia; papier; powłoka; hydrofobowość; wodoodporność

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2010
• Tom: Vol. 10, no. 4
• Strony: 100--109
• Opis fizyczny: Bibliogr. 22 poz., il., wykr.

Twórcy

autor

Samyn P.

• Ghent University - Department of Textiles, Technologiepark 907, B-9052 Zwijnaarde, Belgium

autor

Schoukens G.

• Ghent University - Department of Textiles, Technologiepark 907, B-9052 Zwijnaarde, Belgium

autor

Kiekens P.

• Ghent University - Department of Textiles, Technologiepark 907, B-9052 Zwijnaarde, Belgium

autor

Mast P.

• Ghent University - Department of Materials Science and Engineering - Technologiepark 903, B-9052 Zwijnaarde, Belgium

autor

Van den Abbeele H.

• Topchim N.V., Nijverheidsstraat 98, B-2160 Wommelgem, Belgium

autor

Stanssens D.

• Topchim N.V., Nijverheidsstraat 98, B-2160 Wommelgem, Belgium

autor

Vonck L

• Topchim N.V., Nijverheidsstraat 98, B-2160 Wommelgem, Belgium

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