Flame retarding poly(methyl methacrylate) with nanostructured organic-inorganic hybrids coatings

被引：94

作者：

Messori, M

Toselli, M

Pilati, F

Fabbri, E

Fabbri, P

Busoli, S

Pasquali, L

Nannarone, S

机构：

[1] Univ Modena, Dipartimento Ingn Mat & Ambiente, I-41100 Modena, Italy

[2] Univ Bologna, Dipartimento Chim Applicata & Sci Mat, I-40136 Bologna, Italy

来源：

POLYMER | 2003年 / 44卷 / 16期

关键词：

flame resistance; inorganic-organic hybrids; nanocomposites;

D O I：

10.1016/S0032-3861(03)00396-3

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Organic-inorganic hybrid materials were prepared starting from tetraethoxysilane and alpha- or alpha,omega-triethoxysilane terminated poly(F-caprolactone) (PCL-Si) using the sol-gel process. In all cases the formation of nanocomposites with a high level of interpenetration between organic and inorganic phases was noted. Poly(methyl methacrylate) slabs were dip-coated with PCL-Si/silica hybrids and a very strong increase of the flame resistance (also after UV irradiation) was noted for all coating compositions without marked differences with respect to hybrid compositions. This behavior was attributed to a preferential segregation of silica onto the outer surface, as evidenced by XPS analysis. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：4463 / 4470

页数：8

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