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 302
... thickness . The first attempts were to simply reduce the wall thickness . Because the fittings which con- nected the Bi - Wall to the PVC header pipes depended upon having a constant inside diameter for Bi - Wall , any reduction in wall ...
... thickness . The first attempts were to simply reduce the wall thickness . Because the fittings which con- nected the Bi - Wall to the PVC header pipes depended upon having a constant inside diameter for Bi - Wall , any reduction in wall ...
Page 362
... thickness in the part . Wall thickness in a blown part must be expected to vary due to the nature of the process . The part will typically be thicker on the bottom surface and thin towards the top due to parison sagging . The corners ...
... thickness in the part . Wall thickness in a blown part must be expected to vary due to the nature of the process . The part will typically be thicker on the bottom surface and thin towards the top due to parison sagging . The corners ...
Page 392
... thickness reduction . Assume that when the part is reverse drawn the thickness at the top of the bubble is the finished thickness ( 2 mm ) . Therefore , the entire area of the bottom is fixed and not available for thinning . Non ...
... thickness reduction . Assume that when the part is reverse drawn the thickness at the top of the bubble is the finished thickness ( 2 mm ) . Therefore , the entire area of the bottom is fixed and not available for thinning . Non ...
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