Nonisocyanate polyurethane/silica hybrid coatings via a sol-gel route

被引:16
作者
Hosgor, Z. [2 ]
Kayaman-Apohan, N. [1 ]
Karatas, S. [1 ]
Gungor, A. [1 ]
Menceloglu, Y. [3 ]
机构
[1] Marmara Univ, Dept Chem, Fac Art & Sci, TR-34722 Istanbul, Turkey
[2] Trakya Univ, Fac Art & Sci, Dept Chem, Edirne, Turkey
[3] Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey
关键词
Nonisocyanate route; Organic-inorganic hybrid; Phosphine oxide; Polyurethane; Sol-gel; PHOSPHORUS-CONTAINING EPOXY; FLAME-RETARDANT; PHOSPHINE OXIDE; SILICON; RESINS; NANOCOMPOSITES;
D O I
10.1002/adv.20262
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Polyurethane/silica hybrids by a nonisocyanate route were prepared by reacting cyclic carbonate-modified bis(4-glycidyloxy phenyl)phenyl phosphine oxide (BGPPO), and poly(propyleneglycol)diglycidyl ether (PPG-DGE) with hexamethylene diamine. The incorporation of silica was achieved via a solgel method. The effect of silica and phosphine oxide moiety on polyurethane coating properties was studied by physical, mechanical, and thermal tests. Modulus and hardness of the coatings were enhanced by increasing the amount of silica and phosphine oxide based resin. The improvement in flame retardancy and thermal stability of nanocomposites was proved with increased char yield values and decomposition temperatures in thermogravimetric analyses. (C) 2011 Wiley Periodicals, Inc. Adv Polym Techn 31: 390400, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/adv.20262
引用
收藏
页码:390 / 400
页数:11
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