Open-cell rigid polyurethane bio-foams based on modified used cooking oil

被引：60
作者：
Kuranska, Maria [1 ]
Polaczek, Krzysztof [1 ]
Auguscik-Krolikowska, Monika [2 ]
Prociak, Aleksander [1 ]
Ryszkowska, Joanna [2 ]
机构：
[1] Cracow Univ Technol, Dept Chem & Technol Polymers, Warszawska 24, PL-31155 Krakow, Poland
[2] Warsaw Univ Technol, Fac Mat Sci & Engn, Woloska 141, PL-02507 Warsaw, Poland
来源：
POLYMER | 2020年 / 190卷
关键词：
Cleaner production of bio-polyols; Open-cell foams; Polyurethanes; RAPESEED OIL; POLYOLS; COMPOSITES;
D O I：
10.1016/j.polymer.2020.122164
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In the present work, we report on rigid polyurethane foams based on modified used cooking oil. The bio-polyols with different hydroxyl values and viscosities as well as number average molecular weights from municipal waste were obtained by epoxidation and ring-opening reaction with diethylene glycol. The bio-polyols were used to prepare open-cell polyurethane foams for applications in construction industry. It was noticed that the structures of the bio-polyols do not have a significant effect on the reactivity of the resultant polyurethane systems. The apparent densities of the final foams were comparable and in the range of 12-17 kg/m(3). Beneficial effects of both the bio-polyols on the cellular structures as well as on the mechanical properties and thermal conductivity of the modified foams were observed, especially when a petrochemical polyol was replaced with 40-60 wt% of the biopolyols.
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页数：7
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