Fabrication of hydrolyzed keratin-modified rigid polyurethane foams and its thermal stability and combustion performance

被引：1
|
作者：
Zhang, Xu [1 ,2 ]
Sun, Simiao [1 ,2 ]
Yuan, Dehe [1 ,2 ]
Wang, Zhi [1 ,2 ]
Xie, Hua [1 ,2 ]
Liu, Yinhua [3 ]
机构：
[1] Shenyang Aerosp Univ, Liaoning Key Lab Aircraft Fire Explos Control & Re, Shenyang, Peoples R China
[2] Shenyang Aerosp Univ, Sch Safety Engn, Shenyang, Peoples R China
[3] State Grid Liaoning Elect Power Res Inst, Shenyang, Peoples R China
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2023年 / 28卷 / 07期
关键词：
Polyurethane foam; hydrolyzed keratin; combustion performance; thermal stability; FIRE-RETARDANCY; DEGRADATION;
D O I：
10.1080/1023666X.2023.2270805
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Rigid polyurethane foams (RPUFs) were synthesized with hydrolyzed keratin using the "one-step method" of all-water foaming. Thermogravimetric analysis, pyrolysis kinetics analysis, cone calorimetry and smoke density (Ds) were used to investigate the effects of hydrolyzed keratin on thermal stability and combustion performance of RPUFs. The results showed that the modified RPUFs with 12.5 wt% hydrolyzed keratin (RPUF-HK5) had the lowest mass loss, the highest integrated program pyrolysis temperature, the highest activation energy, the lowest Ds (25.32 and 22.57), the highest light transmittance (64.30% and 67.46%), and total heat release (1.85 MJ/m2, 2.18 MJ/m2 and 2.92 MJ/m2), which indicated that RPUF-HK5 had better thermal stability and combustion performance. The current research results provided a useful reference for the preparation of the RPUFs with good thermal stability by bio-based modification.
引用
收藏
页码：662 / 683
页数：22
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