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Plastics engineering / / Roy J. Crawford, Peter J. Martin
| Plastics engineering / / Roy J. Crawford, Peter J. Martin |
| Autore | Crawford R. J (Roy James), <1949-> |
| Edizione | [Fourth edition.] |
| Pubbl/distr/stampa | Saint Louis, United Kingdom, : Butterworth-Heinemann, 2020 |
| Descrizione fisica | 1 online resource (642) |
| Disciplina | 668.4 |
| Soggetto topico | Plastics |
| ISBN | 0-08-100709-4 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9911007149003321 |
Crawford R. J (Roy James), <1949->
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| Saint Louis, United Kingdom, : Butterworth-Heinemann, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Rotational molding technology / / Roy J. Crawford, James L. Throne
| Rotational molding technology / / Roy J. Crawford, James L. Throne |
| Autore | Crawford R. J (Roy James), <1949-> |
| Pubbl/distr/stampa | Norwich, N.Y., : Plastics Design Library/William Andrew Pub., c2002 |
| Descrizione fisica | 1 online resource (419 p.) |
| Disciplina | 668.4/12 |
| Altri autori (Persone) | ThroneJames L. <1937-> |
| Collana | Plastics Design Library |
| Soggetto topico | Rotational molding of plastics |
| ISBN |
0-08-094600-3
9786612011474 0-8155-1888-9 1-282-01147-2 1-282-02740-9 0-08-095052-3 0-8155-1893-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Rotational Molding Technology; Copyright Page; CONTENTS; CHAPTER 1. INTRODUCTION TO ROTATIONAL MOLDING; 1.0 Introduction; 1.1 The Process; 1.2 The Early Days; 1.3 Materials; 1.4 Advantages and Disadvantages; 1.5 General Relationships between Processing Conditions and Properties; References; CHAPTER 2. ROTATIONAL MOLDING POLYMERS; 2.0 Introduction; 2.1 General Characteristics of Polymers; 2.2 Polymers asPowdersand Liquids; 2.3 Polyethylene Types; 2.4 Polypropylene; 2.5 PVC-Plastisols, Drysols, and Powdered Flexible Compounds; 2.6 Nylons; 2.7 Other Polymers; 2.8 Liquid Polymers
2.9 In-Coming MaterialEvaluation2.10 Product Testing Protocols and Relationship to Polymer Characteristics; 2.11 Desirable Characteristics of a Rotational Molding Resin; References; CHAPTER 3. GRINDING ANDCOLORING; 3.0 Introduction; 3.1 General Issues Relatingto Grinding; 3.2 Particle Size Distribution; 3.3 Particle Shape; 3.4 Dry Flow; 3.5 Bulk Density; 3.6 Factors Affecting Powder Quality; 3.7 Grinding Costs; 3.8 Micropelletizing; 3.9 Polyvinyl Chloride; 3.10 Coloring of Plastics for Rotational Molding; References; CHAPTER 4. ROTATIONAL MOLDING MACHINES; 4.0 Introduction 4.1 Types of Rotational MoldingMachines4.2 Machine Design Considerations; 4.3 The Oven; 4.4 Cooling; 4.5 Process Monitors; 4.6 Servicing; 4.7 Advanced Machine Design; References; CHAPTER 5. MOLD DESIGN; 5.0 Introduction; 5.1 Mold Materials; 5.2 Mechanical and Thermal Characteristics of Mold Materials; 5.3 Mold Design; 5.4 Calculation of Charge Weight; 5.5 Venting; 5.6 Mold Surface Finish; 5.7 Mold Releases; References; CHAPTER 6. PROCESSING; 6.0 Introduction to Heating; 6.1 General Anatomy of the Rotational Molding Cycle; 6.2 General Process Description; 6.3 Powder Behavior 6.4 Characteristics of Powder Flow6.5 Rheology of Powder Flow; 6.6 Heat Transfer Concepts Applied to Rotational Molding; 6.7 Heating the Mold; 6.8 Heating Powder; 6.9 Tack Temperature; 6.10 Mold Cavity Air Heating Prior to Powder Adhesion to Mold Surface; 6.11 Bed Depletion; 6.12 Particle Coalescence; 6.13 Densification; 6.14 Phase Change During Heating; 6.15 The Role of Pressure and Vacuum; 6.16 Mathematical Modeling of the Heating Process; 6.17 Total Oven Cycle Time; 6.18 Cooling and the Optimum Time for Removal from Oven; 6.19 Some Comments on Heat Transfer During Cooling 6.20 Thermal Profile Inversion6.21 Cooling and Recrystallization; 6.22 Air Cooling - Heat Removal Rate; 6.23 Water Cooling - Heat Removal Rate; 6.24 Pressurization; 6.25 Part Removal; 6.26 Effect of Wall Thickness on Cooling Cycle Time; 6.27 Overview and Summary of Thermal Aspects of the Rotational Molding Process; 6.28 Introduction to Liquid Rotational Molding; 6.29 Liquid Polymers; 6.30 Liquid Rotational Molding Process; 6.31 Process Controls for Liquid Rotational Molding; 6.32 Foam Processing; References; CHAPTER 7. MECHANICAL PART DESIGN; 7.0 Introduction; 7.1 Design Philosophy 7.2 General Design Concepts |
| Record Nr. | UNINA-9911004846603321 |
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Crawford R. J (Roy James), <1949->
|
||
| Norwich, N.Y., : Plastics Design Library/William Andrew Pub., c2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||