Effects of coupling agent on antioxidant properties and structure of PP/ cotton stalk lignin composites

• Autorzy: He Mingyu , Musajian Dilhumar , Hasan Gvlmira , Hou, Gongbo , Yimit Mamatjan

Identyfikatory

DOI

10.2478/pjct-2020-0020

• Języki publikacji: EN

Abstrakty

EN

In this paper, the effects of coupling agent and lignin extracted from waste cotton stalks in Xinjiang on thermaloxygen aging properties of polypropylene (PP) composites were studied. The melt index test and indoor thermal oxygen aging test was carried out on the samples treated with coupling agent. The mechanical properties, surface micromorphology, rheological properties and element composition of the materials before and after 30 days of aging were studied. The results showed that the titanate coupling agent was the best for improving the melt index and mechanical properties of PP/cotton stalk lignin composites. After the 30-day thermal oxygen aging test, the samples with 2% lignin had the best impact strength and retention rate of fracture elongation, reaching 68.9% and 77.3% respectively. The sample with 3% lignin content had the smoothen surface, no crack appeared. After aging, the increase of C=O was the least, and the crystal peak area decreased less.

Słowa kluczowe

EN

polypropylene; coupling agent; cotton stalk lignin; composite material

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2020
• Tom: Vol. 22, nr 2
• Strony: 78--85
• Opis fizyczny: Bibliogr. 35 poz., rys., tab.

Twórcy

autor

He Mingyu

• Xinjiang University, Key laboratory of Oil and Gas Fine Chemicals,Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemistry and chemical Engineering, Urumiqi 830046, China

autor

Musajian Dilhumar

• Xinjiang University, Key laboratory of Oil and Gas Fine Chemicals,Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemistry and chemical Engineering, Urumiqi 830046, China

autor

Hasan Gvlmira

• Xinjiang University, Key laboratory of Oil and Gas Fine Chemicals,Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemistry and chemical Engineering, Urumiqi 830046, China

autor

Hou, Gongbo

• Xinjiang University, Key laboratory of Oil and Gas Fine Chemicals,Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemistry and chemical Engineering, Urumiqi 830046, China

autor

Yimit Mamatjan

• Xinjiang University, Key laboratory of Oil and Gas Fine Chemicals,Ministry of Education and Xinjiang Uyghur Autonomous Region, College of Chemistry and chemical Engineering, Urumiqi 830046, China

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).