Plastics: Materials and ProcessingAn introduction to plastics for a wide range of students who need to either gain, improve, or refresh their knowledge of plastic materials and manufacturing. The text discusses both materials and manufacturing processes in a logical presentation. While providing a fundamental overview of a broad spectrum of topics, the text's high level of detail makes it valuable as both an introductory text and, later, a professional reference manual. This edition features more logical organization, dividing the previous tooling and testing chapters into tooling sections that appear within each of the processing chapters and testing sections that appear within each of the plastics properties chapters. It shifts coverage of design to follow the chapters on properties, giving an immediate example of how properties can be used and should allow students to flow more efficiently and effectively through the texts contents without digressions and interruptions. |
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Page 395
... sheet of plastic material exiting from the downstream end of the gap . The construction of the die in this shape restricts the flow in some areas so that all portions of the melt have approximately the same equivalent travel distance ...
... sheet of plastic material exiting from the downstream end of the gap . The construction of the die in this shape restricts the flow in some areas so that all portions of the melt have approximately the same equivalent travel distance ...
Page 534
... sheet , some additional heating of the sheet may be required to ensure uni- form temperature . Uniformity from sheet to sheet is also desirable so that the cycle can be kept as con- stant as possible over an extended time . When sheets ...
... sheet , some additional heating of the sheet may be required to ensure uni- form temperature . Uniformity from sheet to sheet is also desirable so that the cycle can be kept as con- stant as possible over an extended time . When sheets ...
Page 540
... sheet before forming to the area of the sheet after forming . Billow forming Another name for reverse draw forming . Blank An unformed sheet . Blister The formed cavity in a blister pack . Blister pack A packaging style in which a ...
... sheet before forming to the area of the sheet after forming . Billow forming Another name for reverse draw forming . Blank An unformed sheet . Blister The formed cavity in a blister pack . Blister pack A packaging style in which a ...
Contents
Introduction to Plastics | 1 |
Polymeric Materials Molecular Viewpoint | 25 |
Micro Structures in Polymers | 75 |
Copyright | |
22 other sections not shown
Common terms and phrases
addition adhesive allow amount applications atoms blow molding called carbon carbon-carbon double bond casting cause chapter chemical coating composite compression molding cooling copolymer cost crosslinking crystalline cure cycle degradation density diameter discussed elastomers electrons energy epoxy extruder fiberglass fibers fillers film flow foam force free radical groups HDPE heat hydrogen impact important increase injection molding machine LDPE liquid mandrel manufacturing mechanical properties melt index metal method mixing molding process molecular weight molecules monomer nylon occur operation parison phenolics plastic material plate polyesters polyethylene polyimides polymer polymer chains polymerization pressure problem PTFE reaction recycling reinforcement removed resin resistance result rotational molding rotomolding rubber sample screw shape shear sheet shown in Figure shrinkage silicone solid solvent sprue stiffness strength stress structure surface temperature tensile thermal thermoforming thermoplastic thickness tion toughness transfer molding tubing typical usually vacuum vinyl viscosity