An effect of surface segregation of polyhedral oligomeric silsesquioxanes on surface physical properties of acrylic hard coating materials

被引：13

作者：

Chouwatat, Patcharida ^{[1
]}

Nojima, Shiki ^{[6
]}

Higaki, Yuji ^{[2
,3
,6
]}

Kojio, Ken ^{[2
,3
,6
]}

Hirai, Tomoyasu ^{[2
,3
,6
]}

Kotaki, Masaya ^{[4
,5
]}

Takahara, Atsushi ^{[2
,3
,6
]}

机构：

[1] Kyoto Inst Technol, Dept Adv Fibrosci, Sakyo Ku, Kyoto 6068585, Japan

[2] Kyushu Univ, Inst Mat Chem & Engn, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

[3] Kyushu Univ, WPI I2CNER, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

[4] Kyoto Inst Technol, Ctr Fiber & Text Sci, Sakyo Ku, Kyoto 606858, Japan

[5] Kaneka Amer Holding Inc, Kaneka US Mat Res Ctr, 800 Raymond Stotzer Pkwy, College Stn, TX 77843 USA

[6] Kyushu Univ, Grad Sch Engn, 744 Motooka, Fukuoka 8190395, Japan

来源：

POLYMER | 2016年 / 84卷

关键词：

Hard coating layer; Polyhedral oligomeric silsesquioxane (POSS); Scratch resistance; Surface segregation; SCRATCH RESISTANCE; HYBRID NANOCOMPOSITES; POLYMERIC COATINGS; BEHAVIOR; POSS; POLYSTYRENE; DISPERSION; RESIN; SPECTROSCOPY; COMPOSITES;

D O I：

10.1016/j.polymer.2015.12.037

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An effect of surface segregation of polyhedral oligomeric silsesquioxanes (POSS) on surface physical properties was investigated. Hard coating layer with various MA(8)POSS loadings was prepared on a bilayer of soft layer and PMMA substrate via a UV curing process. The scratch resistance of the coating layer showed specific properties. When MA(8)POSS loadings in the coating layers were less than 10 wt %, the coating layers showed a great performance in scratch resistance. While MA(8)POSS loadings were higher than 10 wt %, the surface performance was deteriorated. This is because the outermost surface of the coating layer was covered by MA(8)POSS molecules when the MA(8)POSS loadings were higher than 10 wt %, resulting in uncompleted curing reaction caused by large steric hindrance of MA(8)POSS. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：81 / 88

页数：8

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