Thermal behaviour of a series of novel aliphatic bridged polyhedral oligomeric silsesquioxanes (POSSs)/polystyrene (PS) nanocomposites: The influence of the bridge length on the resistance to thermal degradation

被引：53

作者：

Blanco, Ignazio ^{[1
]}

Abate, Lorenzo ^{[1
]}

Bottino, Francesco A. ^{[1
]}

Bottino, Paola ^{[2
]}

机构：

[1] Univ Catania, Dept Ind Engn, I-95125 Catania, Italy

[2] Univ Catania, Dept Pharmaceut Sci, I-95125 Catania, Italy

来源：

POLYMER DEGRADATION AND STABILITY | 2014年 / 102卷

关键词：

Nanocomposites; Polystyrene; Bridged POSSs; Resistance to the thermal degradation; Thermogravimetric analysis; DIFFERENTIAL SCANNING CALORIMETRY; HEPTA CYCLOPENTYL; POLYETHERSULFONE/POLYETHERETHERSULFONE COPOLYMERS; ISOTHERMAL DEGRADATION; HYBRID COATINGS; PHENYL; STABILITY; POSS; SUBSTITUENTS; OCTASILSESQUIOXANES;

D O I：

10.1016/j.polymdegradstab.2014.01.029

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理];

摘要：

The thermal degradation of Polystyrene based nanocomposites, containing as fillers novel dumbbellshaped bridged POSSs in which two identical silicon cages R-7(SiO1.5)(8) (R = isobutyl), are linked to aliphatic bridges (CH2)(n) of different lengths (n = 2, 4, 6, 8 and 10), was studied. Various nanocomposites were prepared by in situ polymerization of styrene in the presence of 5% of appropriate POSS. The obtained compounds were characterized by H-1 NMR spectroscopy, to verify their actual filler content, which was slightly higher than that in starting mixtures, and by Differential Scanning Calorimetry (DSC) to determine glass transition temperature (T-g). Thermogravimetric (TG) and Differential Thermogravimetric (DTG) analysis, in both flowing nitrogen and static air atmosphere, were carried out and temperatures at 5% mass loss (T5%) were determined to investigate the resistance to the thermal degradation. The results obtained for various samples were compared with each other and with those of virgin Polystyrene, and were interpreted and discussed. (c) 2014 Elsevier Ltd. All rights reserved.

引用

页码：132 / 137

页数：6

共 44 条

[1]

Kinetic study of the thermal degradation of PS/MMT nanocomposites prepared with imidazolium surfactants [J].

Abate, L. ;

Blanco, I. ;

Bottino, F. A. ;

Di Pasquale, G. ;

Fabbri, E. ;

Orestano, A. ;

Pollicino, A. .

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2008, 91 (03) :681-686

[2]

Thermal and rheological behaviour of some random aromatic polyethersulfone/polyetherethersulfone copolymers [J].

Abate, L ;

Blanco, I ;

Cicala, G ;

La Spina, R ;

Restuccia, CL .

POLYMER DEGRADATION AND STABILITY, 2006, 91 (04) :924-930

[3]

Kinetics of the isothermal degradation of model polymers containing ether, ketone and sulfone groups [J].

Abate, L ;

Blanco, I ;

Orestano, A ;

Pollicino, A ;

Recca, A .

POLYMER DEGRADATION AND STABILITY, 2005, 87 (02) :271-278

[4]

The influence of sulfonation degree on the thermal behaviour of sulfonated poly(arylene ethersulfone)s [J].

Abate, L. ;

Asarisi, V. ;

Blanco, I. ;

Cicala, G. ;

Recca, G. .

POLYMER DEGRADATION AND STABILITY, 2010, 95 (09) :1568-1574

[5]

The isothermal degradation of some polyetherketones: a comparative kinetic study between long-term and short-term experiments [J].

Abate, L ;

Blanco, I ;

Motta, O ;

Pollicino, A ;

Recca, A .

POLYMER DEGRADATION AND STABILITY, 2002, 75 (03) :465-471

[6]

Heat capacities and enthalpies of solid-solid transitions and fusion of a series of eleven primary alkylamides by differential scanning calorimetry [J].

Abate, Lorenzo ;

Badea, Elena ;

Blanco, Ignazio ;

Della Gatta, Giuseppe .

JOURNAL OF CHEMICAL AND ENGINEERING DATA, 2008, 53 (04) :959-965

[7]

Thermal and rheological behaviours of some random aromatic amino-ended polyethersulfone/polyetherethersulfone copolymers [J].

Abate, Lorenzo ;

Blanco, Ignazio ;

Cicala, Gianluca ;

Recca, Antonino ;

Restuccia, Carmelo Luca .

POLYMER DEGRADATION AND STABILITY, 2006, 91 (12) :3230-3236

[8]

Syntheses of Dumbbell-Shaped Trifluoropropyl-Substituted POSS Derivatives Linked by Simple Aliphatic Chains and Their Optical Transparent Thermoplastic Films [J].

Araki, Hitoshi ;

Naka, Kensuke .

MACROMOLECULES, 2011, 44 (15) :6039-6045

[9]

SILSESQUIOXANES [J].

BANEY, RH ;

ITOH, M ;

SAKAKIBARA, A ;

SUZUKI, T .

CHEMICAL REVIEWS, 1995, 95 (05) :1409-1430

[10]

Phenyl hepta cyclopentyl-polyhedral oligomeric silsesquioxane (ph,hcp-POSS)/Polystyrene (PS) nanocomposites: the influence of substituents in the phenyl group on the thermal stability [J].

Blanco, I. ;

Abate, L. ;

Antonelli, M. L. ;

Bottino, F. A. ;

Bottino, P. .

EXPRESS POLYMER LETTERS, 2012, 6 (12) :997-1006

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