Page 23 - Handbook of Adhesives and Sealants

x Contents

8.2.5 Cost 315
8.2.6 Specific adherends and method of applications 316

Chapter 9. Adhesive Composition and Formulation 319
9.1 Introduction 319
9.2 Adhesive composition 319
9.3 Adhesives formulation 326
9.3.1 Controlling flow 327
9.3.2 Extending temperature range 329
9.3.3 Improving toughness 330
9.3.4 Lowering the coefficient of thermal expansion 333
9.3.5 Reducing shrinkage 334
9.3.6 Increasing tack 335
9.3.7 Modifying electrical and thermal conductivity 336
9.4 Commercial formulations 338

Chapter 10. Adhesive Families 343
10.1 Introduction 343
10.2 Classification methods 343
10.3 Structural adhesives 355
10.3.1 Epoxies 355
10.3.1.1 Epoxy resins 360
10.3.1.2 Curing agents 361
10.3.2 Epoxy hybrids 366
10.3.2.1 Toughened epoxies 367
10.3.2.2 Epoxy-phenolic 371
10.3.2.3 Epoxy-nylon 372
10.3.2.4 Epoxy-polysulfide 372
10.3.2.5 Epoxy-vinyl 373
10.3.3 Resorcinol formaldehyde and phenol resorcinol
formaldehyde 373
10.3.4 Melamine formaldehyde and urea formaldehyde 374
10.3.5 Phenolics 374
10.3.6 Modified phenolics 375
10.3.6.1 Nitrile-phenolic 375
10.3.6.2 Vinyl-phenolic 377
10.3.6.3 Neoprene-phenolic 377
10.3.7 Polyaromatic high temperature resins 377
10.3.7.1 Polyimide 378
10.3.7.2 Bismaleimide 380
10.3.7.3 Polybenzimidazole 381
10.3.8 Polyesters 381
10.3.9 Polyurethanes 382
10.3.10 Anaerobic resins 385
10.3.11 Cyanoacrylates 389
10.3.12 Modified acrylics 390
10.4 Non-structural adhesives 392
10.4.1 Elastomeric resins 393
10.4.1.1 Natural rubber 395
10.4.1.2 Asphalt 396
10.4.1.3 Reclaimed rubber 396