Improvement of the surface properties of polycarbonate by organic-inorganic hybrid coatings

被引：29

作者：

Fabbri, Paola ^{[1
]}

Leonelli, Cristina ^{[1
]}

Messori, Massimo ^{[1
]}

Pilati, Francesco ^{[1
]}

Toselli, Maurizio ^{[2
]}

Veronesi, Paolo ^{[1
]}

Morlat-Therias, Sandrine ^{[3
]}

Rivaton, Agnes ^{[3
]}

Gardette, Jean Luc ^{[3
]}

机构：

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

[2] Univ Bologna, Dipartimento Chim Appl & Sci Mat, I-40100 Bologna, Italy

[3] Univ Clermont Ferrand, Photochim Mol & Macromol Lab, CNRS, UMR 6505, F-63177 Clermont Ferrand, France

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2008年 / 108卷 / 03期

关键词：

coatings; curing of polymers; nanocomposites; photochemistry; transparency;

D O I：

10.1002/app.27765

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 hybrids (ceramers) were prepared through the sol-gel process with opportune alkoxysilane-terminated polymer chains as the organic phase and tetraethoxysilane as the inorganic network precursor. The consolidation process, used to reach a high degree of crosslinking between the two phases, was carried out with either conventional oven heating or microwave irradiation. High conversion degrees were obtained with both treatments even when microwave postcuring turned out to be much faster than conventional heating (5-10 s vs 40 min). Scratch-test and photooxidation investigations showed a significant improvement in scratch, yellowing, and photodegradation resistance for coated polycarbonate. (c) 2008 Wiley Periodicals, Inc.

引用

页码：1426 / 1436

页数：11

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