《PLASTICS HANDBOOK FOR PRODUCT ENGINEERS》

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Part ⅠPLASTIC MATERIALS1

1．CIIEMISTRY OF PLASTICS1

Theory of polymer formation1

Condensation polymers15

Phenol-aldehyde resins16

Urea- and melamine-formaldehydc resins25

Polyester resins30

Polyamides35

Vinyl polymers37

Acrylate resins43

Polystyrene45

Hydrocarbon resins46

Resins from cellulose48

Cellulose nitrate49

Cellulose esters of organic acids50

Cellulose ethers51

Summary54

Flow charts61

2．MATERIALS AND PROPERTIES70

Phenol-formaldehyde and furfural-aldehyde phenol materials71

Laminated phenolic products86

Cast phenolic resins102

Urea-formaldehyde molding materials108

Melamine-formaldehyde molding materials112

Cellulose-nitrate plastics117

Cellulose-acetate molding materials124

Cellulose-acetate-butyrate molding compositions145

Ethyl-cellulose plastics157

Methyl-methacrylate molding materials162

Polystyrene170

Polyvinyl acetals, formals, butyrals176

Polyvinyl-chloride plastics185

Vinyl chloride-acetate resin compounds196

Vinylidene-chloride plastics207

Nylon212

Polyethylene plastics217

Cast allyl plastics221

Low-pressure laminating plastics224

Summary of values for various plastic materials226

Testing methods and specifications for plastics251

3．PROCESSING AND FABRICATING253

Compression molding253

Transfer molding255

Injection molding256

Jet molding257

Molds and mold steels258

4．MMACHINING AND FINISHING PLASTIC PARTS262

Drilling263

Reaming266

threading, and tapping266

Lathe operations266

Milling operations269

Cutting gears269

Sawing operations270

Punching272

Embossing273

Polishing273

5．RECENT DEVELOPMENTS AND TECHNIQDES275

High-impact materials275

Influence of temperature on phenolic materials279

Shrinkage of phenolics283

Electrostatic high-frequency heating287

Dielectric heating of laminates292

Low-pressure hot-forming of laminated-phenolic sheet295

Low-pressure laminating302

Vacuum forming308

Part ⅡDESIGN OF PLASTIC PRODUCTS311

6．FUNDAMENTAL DESIGN CONSIDERATIONS311

Selection of material311

Costs311

Interpretation of test data317

Influencing characteristics317

Evaluating strength318

Shock resistance320

Elasticity and plastioity321

Hardness322

Electrical properties323

Thermal properties329

Optical properties333

Chemical properties334

Moisture absorption340

Aging and weathering341

Taste and odor characteristics342

Design for appearance342

7．DESIGN DETAILS350

Tolerances353

Wall thickness355

Inserts356

Threads359

Fastening360

8．COMMON FAULTS, CAUSES, AND REMEDIES IN MOLDED PLASTIC PARTS363

Phenolics and ureas—compression molding363

Cellulose acetates, polystyrenes, and vinyl materials—injection molding368

Cellulose acetates and vinyl materials—compression molding376

Part ⅢRUBBERLIKE MATERIALS: CHEMISTRY AND APPLICATION377

9．SYNTHETIC RUBBERLIKE MATERIALS377

Natural rubber378

Raw materials for synthetic rubber387

Preparation of synthetic rubbers （GR-S）391

Butadiene-acrylonitrile copolymer （perbunan）395

Neoprene （GR-M）396

Isobutene-isoprene copolymer （GR-I）397

Polysulfide rubbers398

Other Iubberlike materials399

Flow charts401

10．SYNTHETIC RUBBERS IN ENGINEERING DESIGN405

Factors affecting selection of a synthetic rubbcr405

11．BUTYL RUBBER409

12．BUTADIENE-ACRYLONITRILE RUBBERS422

13．GR-S SYNTHETIC ELASTOMIENS431

14．NEOPRENE RUBBER437

15．THIOKOL POLYSULFIDE SYNTIIETIC RUBBERS444

APPENDIX451

BIBLIOGRAPHY OF PLASTICS451

REFERENCE CATALOGS ON PLASTICS—INDEXED BY COMPANIES453

REFERENCE CATALOGS ON PLASTICS—INDEXED BY MATERIALS458

INDEX465