Preparation of Temperature-Sensitive Polyurethanes Based on Modified Castor Oil

• Autorzy: Bao L.-H. , Ma H.-T.

Identyfikatory

DOI

10.5604/12303666.1237222

Warianty tytułu

PL

Otrzymywanie termowrażliwych poliuretanów na bazie zmodyfikowanego oleju rycynowego

• Języki publikacji: EN

Abstrakty

EN

A series of temperature-sensitive polyurethanes (TSPUs) with polytetrahydrofuran glycol (PTMG), poly(ethylene glycol) (PEG) and maleic anhydride modified castor oil (MCO) as soft segments were prepared in this paper. The morphology of the temperature-sensitive polyurethane films was characterised by SEM, DSC and WAXD. SEM studies were also carried out to investigate the surface structure of coated and uncoated fabrics. The water vapour permeability of the coated and uncoated fabrics were measured as well. The results showed that a nonporous TSPU layer was formed on the coated fabric surface. The tailor -made TSPUs had one to three soft segment crystal melting point temperatures, with the lower peak temperature Tpm1 belonging to the soft segment PTMG and the higher peak temperature Tpm2 to the hydropilic soft segment PEG2000. The water vapour permeability of TSPUs coated fabrics increased with an increase in PEG2000 concentration and PEG molecular weight, but decreased with an increase in the hard segment content, and triggered around the soft segment crystal melting point temperature of TSPUs.

PL

W pracy otrzymano termowrażliwe poliuretany (TSPU) z glikolu politetrahydrofuranowego (PTMG), glikolu polietylenowego (PEG) i bezwodnika maleinowego zmodyfikowanego olejem rycynowym (MCO). Za pomocą SEM, DSC i WAXD zbadano morfologię termowrażliwych folii poliuretanowych. Przeprowadzono również badania SEM w celu zbadania struktury powierzchni powleczonych i niepowleczonych tkanin. Zmierzono także przepuszczalność pary wodnej powleczonych i niepowleczonych tkanin.

Słowa kluczowe

EN

modified castor oil; temperature-sensitive polyurethane; waterproof fabrics; breathable fabrics

PL

zmodyfikowany olej rycynowy; termowrażliwe poliuretany; tkaniny wodoodporne; tkaniny oddychające; przepuszczalność pary wodnej

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2017
• Tom: Vol. 25, no. 3 (123)
• Strony: 34--39
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Bao L.-H.

• School of Materials Science and Engineering, Beijing Institute of Fashion Technology, Beijing, 100029, China
• Beijing Key Laboratory of Clothing Materials R&D and Assessment, Beijing, 100029, China

autor

Ma H.-T.

• School of Materials Science and Engineering, Beijing Institute of Fashion Technology, Beijing, 100029, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).