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 439
... foam molding . The other method of controlling the expansion of the foaming process in the mold involves expansion of the foam against an external pressure . Hence , this method is called high - pressure foam molding . It is important ...
... foam molding . The other method of controlling the expansion of the foaming process in the mold involves expansion of the foam against an external pressure . Hence , this method is called high - pressure foam molding . It is important ...
Page 442
... foam molding process is called foam - in - place . This process is similar to RIM in that the foam is injected into a cavity at a rate that balances the foaming of the material in the cavity and the injection rate . This balance gives ...
... foam molding process is called foam - in - place . This process is similar to RIM in that the foam is injected into a cavity at a rate that balances the foaming of the material in the cavity and the injection rate . This balance gives ...
Page 456
... foams ( where air is beaten into the resin like air in whipped cream ) , chemical foams ( where a chemical reaction produces the gas like yeast produces carbon dioxide in bread making ) , physical foams ( where the solvent is caused to foam ...
... foams ( where air is beaten into the resin like air in whipped cream ) , chemical foams ( where a chemical reaction produces the gas like yeast produces carbon dioxide in bread making ) , physical foams ( where the solvent is caused to foam ...
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