Use of diisocyanate to enhance the flame-retardant, mechanical and crystalline properties of poly (butylene succinate-co-butylene 3-hydroxyphenylphosphinyl-propionate) (PBSH)

被引：0
作者：
Jin, Tian-Xiang [2 ]
Wu, Miao-miao [2 ]
Ou-yang, Jin-bo [2 ]
Zhang, Qin [1 ]
机构：
[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
[2] East China Univ Technol, Sch Chem Biol & Mat Sci, Jiangxi Prov Key Lab Polymer Micro Nano Mfg & Dev, Nanchang 330013, Jiangxi, Peoples R China
来源：
JOURNAL OF POLYMER ENGINEERING | 2020年 / 40卷 / 05期
关键词：
flame-retardant; mechanical properties; reactive blending; POLY(BUTYLENE SUCCINATE); CROSS-LINKING; MOLECULAR-WEIGHT; COPOLYESTER; COMPOSITES;
D O I：
10.1515/polyeng-2019-0127
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly (butylene succinate-co-butylene-3-hydroxyphenylphosphinyl-propionate) (PBSH) was synthesized through polycondensation. Then, 4,4'-methylene diphenyl diisocyanate (MDI) was introduced into PBSH matrix by reactive blending. The chemical structure and properties of the blending products were investigated using Fourier Transform Infrared Spectroscopy (FT-IR), differential scanning calorimetry (DSC), limiting oxygen index (LOI) tests, thermogravimetric analysis (TGA), and vertical burning tests. The results proved that MDI can improve the mechanical properties and flame retardancy of PBSH. In addition, it was found that the crosslinking structure can reduce the hydrolysis rate of PBSH and effectively eliminate the melt-dripping of PBSH during combustion.
引用
收藏
页码：409 / 414
页数：6
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