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 80
... crystalline . A polymer with some crystalline regions is illustrated in Figure 3.7 . Some polymers which are crystalline include high density polyethylene ( HDPE ) , polypropylene ( PP ) , acetal , and nylon . The areas of crystallinity ...
... crystalline . A polymer with some crystalline regions is illustrated in Figure 3.7 . Some polymers which are crystalline include high density polyethylene ( HDPE ) , polypropylene ( PP ) , acetal , and nylon . The areas of crystallinity ...
Page 81
... crystalline , it also becomes more dense . Especially in polyethylene and other plastics with a wide range of possible crystallinities , the density is the most common method of expressing crystallinity . For instance , polyethylene ...
... crystalline , it also becomes more dense . Especially in polyethylene and other plastics with a wide range of possible crystallinities , the density is the most common method of expressing crystallinity . For instance , polyethylene ...
Page 83
... crystalline and amorphous regions . The two types of regions act independently in thermal transitions . Hence , the crystalline regions have sharp melting points and the amorphous regions have glass transitions and broad melting regions ...
... crystalline and amorphous regions . The two types of regions act independently in thermal transitions . Hence , the crystalline regions have sharp melting points and the amorphous regions have glass transitions and broad melting regions ...
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