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 107
Materials and Processing A. Brent Strong. Figure 3.13 Melt index test . Piston Weight Polymer inlet Heated polymer ... melt index and molecular weight in. Micro Structures in Polymers 107.
Materials and Processing A. Brent Strong. Figure 3.13 Melt index test . Piston Weight Polymer inlet Heated polymer ... melt index and molecular weight in. Micro Structures in Polymers 107.
Page 108
... melt index values for processing can be illustrated for polyethylene . In gen- eral terms , melt index values of above 15 for polyethylene would be considered to be quite low in molecular weight and would be used when ease in processing ...
... melt index values for processing can be illustrated for polyethylene . In gen- eral terms , melt index values of above 15 for polyethylene would be considered to be quite low in molecular weight and would be used when ease in processing ...
Page 111
... melt index . Because the melt index and molecular weight have an inverse relationship ( as molecular weight gets larger , melt index gets smaller ) , the reciprocal melt index is also given in the table . Use of the reciprocal melt ...
... melt index . Because the melt index and molecular weight have an inverse relationship ( as molecular weight gets larger , melt index gets smaller ) , the reciprocal melt index is also given in the table . Use of the reciprocal melt ...
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