Contributors ................................................ xi
Preface ................................................... xvii
Part I: Thermal stability ...................................... 1
1 Polymer nanocomposites: Layered silicates, surface
modifications, and thermal stability ......................... 3
VIKAS MITTAL
1.1 Introduction ............................................ 3
1.2 Evaluation of thermal behavior .......................... 9
1.3 Thermal stability of modified clays and
nanocomposites ......................................... 12
References .................................................. 25
2 Mechanism of thermal degradation of layered silicates
modified with ammonium and other thermally stable salts ..... 29
K. PIELICHOWSKI, A. LESZCZYńSKA, AND J. NJUGUNA
2.1 Introduction ........................................... 29
2.2 Changes in properties of organically modified layered
silicates as a result of thermal degradation ........... 29
2.3 Mechanism of thermal degradation of organic modifiers
and organically modified layered silicates ............. 30
2.4 Role of catalytic activity of clay minerals in the
mechanism of organically modified layered silicate
degradation ............................................ 45
2.5 Parameters influencing the thermal stability of
organically modified layered silicates ................. 48
2.6 Conclusions ............................................ 54
References .................................................. 55
3 Thermal stability of polystyrene nanocomposites from
improved thermally stable organoclays ....................... 64
MUSA R. KAMAL AND JORGE URIBE-CALDERON
3.1 Introduction ........................................... 64
3.2 Thermal stability ...................................... 65
3.3 Polystyrene/clay nanocomposites from thermally stable
organoclays ............................................ 67
3.4 Factors influencing the selection of clay modifiers .... 90
3.5 Concluding remarks ..................................... 93
References .................................................. 93
4 Poly(ethylene terephthalate) nanocomposites using
nanoclays modified with thermally stable surfactants ....... 100
EVANGELOS MANIAS, MATTHEW J. HEIDECKER, HIROYOSHI
NAKAJIMA, MARIUS C. COSTACHE, AND CHARLES A. WILKIE
4.1 Introduction .......................................... 100
4.2 Melt-processable poly(ethylene terephthalate)/
organosilicate nanocomposites ......................... 101
4.3 Characterization and performance of poly(ethylene
terephthalate)/clay nanocomposites .................... 106
4.4 Conclusions ........................................... 115
4.5 Experimental .......................................... 115
References ................................................. 117
5 Thermally stable polyimide/4,4'-bis(4-aminophenoxy)
phenylsulfone-modified clay nanocomposites ................. 121
VLADIMIR E. YUDIN AND JOSHUA U. OTAIGBE
5.1 Polyimide/clay nanocomposites ......................... 121
5.2 Polyimide/4,4'-bis(4-aminophenoxy)phenylsulfone-
modified clay nanocomposites: Synthesis and
characterization ...................................... 123
5.3 Novel polyimide nanocomposites based on silicate
nanoparticles with different morphology ............... 131
5.4 Conclusions and outlook ............................... 138
References ................................................. 140
6 Clays modified with thermally stable ionic liquids with
applications in poly olefin and poly lactic acid
nanocomposites ............................................. 143
JIN UK HA AND MARINO XANTHOS
6.1 Introduction .......................................... 143
6.2 Clays and clay nanocomposites ......................... 144
6.3 Ionic liquids ......................................... 148
6.4 Clay modification with thermally stable ionic
liquids ............................................... 149
6.5 Polyolefins containing nanoclays modified with
thermally stable ionic liquids ........................ 151
6.6 Polylactic acid composites ............................ 153
6.7 Conclusions ........................................... 155
References ................................................. 156
Part II: Flame retardancy ..................................... 159
7 Introduction to flame retardancy of polymer-clay
nanocomposites ............................................. 161
TIE LAN AND GÜNTER BEYER
7.1 Introduction .......................................... 161
7.2 Clay chemistry ........................................ 162
7.3 Polymer-clay nanocomposites ........................... 163
7.4 Flame retardation by polymer-clay nanocomposites ...... 166
7.5 Ethylene vinyl acetate and polyethylene
nanocomposites for wire and cable applications ........ 170
7.6 Summary ............................................... 182
References ................................................. 182
8 Flame retardant nanocomposites with polymer blends ......... 186
J. ZHANG, M.A. DELICHATSIOS, A. FINA, G. CAMINO,
F. SAMYN, S. BOURBIGOT, AND S. NAZARÉ
8.1 Introduction .......................................... 186
8.2 Morphological characterization ........................ 189
8.3 Thermogravimetric analysis ............................ 192
8.4 Cone calorimetry ...................................... 194
8.5 Polymer blend nanocomposites combined with additional
materials ............................................. 199
8.6 Conclusion ............................................ 205
References ................................................. 206
9 Flame retardancy of poly amide/clay nanocomposites ......... 210
YUAN HU, LEI SONG, AND QILONG TAI
9.1 Introduction .......................................... 210
9.2 Preparation approaches ................................ 213
9.3 Flame retardancy of polyamide/clay nanocomposites ..... 218
9.4 Flame retardant mechanism ............................. 227
9.5 Summary and outlook ................................... 230
References ................................................. 231
10 Self-extinguishing polymer-clay nanocomposites ............. 237
SEONGCHAN PACK AND MIRIAM H. RAFAILOVICH
10.1 Introduction .......................................... 237
10.2 Flame retardant formulations and nanoparticle
synergy ............................................... 238
10.3 Flame retardant polymer blends with nanoparticles ..... 241
10.4 Summary ............................................... 271
References ................................................. 273
11 Flame retardant polymer nanocomposites with fullerenes as
filler ..................................................... 276
ZHENGPING FANG AND PINGAN SONG
11.1 Background ............................................ 276
11.2 Flame retardancy of polymer/fullerene
nanocomposites ........................................ 276
11.3 Flame retardation mechanism of fullerenes ............. 282
11.4 Synergism between fullerenes and intumescent flame
retardants ............................................ 291
11.5 Synergism between fullerenes and carbon nanotubes ..... 304
11.6 Conclusions and future prospects ...................... 309
References ................................................. 310
12 Flame retardant polymer nanocomposites with alumina as
filler ..................................................... 314
ABDELGHANI LAACHACHI AND JOSE-MARIE LOPEZ CUESTA
12.1 Introduction .......................................... 314
12.2 Alumina trihydrate flame retardant .................... 315
12.3 Alumina monohydrate flame retardant ................... 318
12.4 Alumina flame retardant ............................... 321
12.5 Conclusion ............................................ 328
References ................................................. 328
13 Polymer/layered double hydroxide flame retardant
nanocomposites ............................................. 332
LONGZHEN QIU AND BAOJUN QU
13.1 Introduction .......................................... 332
13.2 Structure and properties of layered double
hydroxides ............................................ 333
13.3 Polymer/layered double hydroxide nanocomposites ....... 334
13.4 Thermal stability of polymer/layered double hydroxide
nanocomposites ........................................ 335
13.5 Fire retardant properties of polymer/layered double
hydroxide nanocomposites .............................. 338
13.6 Synergistic layered double hydroxide flame retardant
systems ............................................... 347
13.7 Possible mechanisms ................................... 349
13.8 Conclusion and future trends .......................... 351
References ................................................. 352
14 Flame retardant SBS-clay nanocomposites .................... 360
MAURO COMES-FRANCHINI, MASSIMO MESSORI, GUIDO ORI, AND
CRISTINA SILIGARDI
14.1 Layered silicates ..................................... 360
14.2 Organic modification .................................. 363
14.3 Styrenie block copolymers ............................. 366
14.4 Flame retardant SBS-clay nanocomposites ............... 367
14.5 Case study: Bentonite-based organoclays as
innovative flame retardant agents for SBS copolymer ... 369
14.6 Conclusions ........................................... 377
References ................................................. 378
Index ...................................................... 383
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