Plastics: Materials and ProcessingAlthough most introductory texts on plastics focus on either materials or on processing, this book discusses the full range of materials, processes, and performance of plastics. This well-structured approach examines materials and the effects of processing from the molecular, micro, and macro levels. 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 a professional reference manual. This detail is accomplished without extensive mathematics, so the book can be used by technicians, plastics professionals, and engineers. The book is useful for readers who may want to acquire, improve, or refresh their knowledge of plastic materials and processing. |
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Page 403
... removed when the molded part is trimmed to form a lid . Vent Hole Body Lid Removed after molding Detail after removing layer containing the vent Lid Sealing Lip Body trash container with a lid . A narrow region is molded between the lid ...
... removed when the molded part is trimmed to form a lid . Vent Hole Body Lid Removed after molding Detail after removing layer containing the vent Lid Sealing Lip Body trash container with a lid . A narrow region is molded between the lid ...
Page 495
... removed . Some experience is required in determining the amount of bleeder to ensure that just the right amount of resin is removed to give the optimal weight , but not so much that the fibers are undercoated with resin . Additional ...
... removed . Some experience is required in determining the amount of bleeder to ensure that just the right amount of resin is removed to give the optimal weight , but not so much that the fibers are undercoated with resin . Additional ...
Page 525
... Removal Flash is most easily removed when the part is very cold . The cold stiffens many materials and thus makes the flash brittle . The thinness of the flash means that its removal is not likely to add stresses to the part . Cooling ...
... Removal Flash is most easily removed when the part is very cold . The cold stiffens many materials and thus makes the flash brittle . The thinness of the flash means that its removal is not likely to add stresses to the part . Cooling ...
Contents
Introduction to Plastics | 1 |
Polymeric Materials Molecular Viewpoint | 21 |
Micro Structures in Polymers | 69 |
Copyright | |
23 other sections not shown
Common terms and phrases
addition adhesive amount applications atoms blow molding called carbon carbon-carbon double bond casting cause chapter chemical coating composites compression molding cooling copolymer cost crosslinking crystalline cure cycle degradation density diameter discussed elastomers electrons energy epoxy extruder fibers fillers film flexible flow foam force free radical HDPE heat hydrogen illustrated in Figure important increase injection molding machine LDPE liquid mandrel manufacturing mechanical properties melt index melting point metal method mixing mold cavity 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 reinforcements removed resin resistance result rotational molding rotomolding rubber sample screw shape shear sheet shown in Figure solid solvent sprue stiffness strength stress structure surface temperature tensile thermal thermoforming thermoplastic thickness tion transfer molding tubing typical usually vacuum vinyl viscosity