Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
Energy management in plastics processing : strategies, targets, techniques, and tools / / Robin Kent
| Energy management in plastics processing : strategies, targets, techniques, and tools / / Robin Kent |
| Autore | Kent Robin |
| Edizione | [Third edition.] |
| Pubbl/distr/stampa | Amsterdam, Netherlands : , : Elsevier, , [2018] |
| Descrizione fisica | 1 online resource (422 pages) |
| Disciplina | 668.41 |
| Soggetto topico |
Plastics plants - Energy consumption
Factories - Energy consumption |
| ISBN | 0-08-102508-4 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910583370103321 |
Kent Robin
|
||
| Amsterdam, Netherlands : , : Elsevier, , [2018] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Laser welding of plastics [[electronic resource] /] / Rolf Klein
| Laser welding of plastics [[electronic resource] /] / Rolf Klein |
| Autore | Klein Rolf |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | Weinheim, : Wiley-VCH, c2012 |
| Descrizione fisica | 1 online resource (200 p.) |
| Disciplina | 668.41 |
| Soggetto topico |
Laser welding
Plastics - Welding |
| ISBN |
3-527-63697-8
3-527-63698-6 3-527-63696-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Laser Welding of Plastics; Contents; Introduction; 1 Material Properties of Plastics; 1.1 Formation and Structure; 1.2 Types of Plastics; 1.2.1 Thermoplastic Resins; 1.2.1.1 Amorphous Thermoplastics; 1.2.1.2 Semicrystalline Thermoplastics; 1.2.2 Elastomers; 1.2.3 Thermosets; 1.2.4 Polymer Compounds; 1.2.4.1 Polymer Blends; 1.2.4.2 Copolymers; 1.2.4.3 Thermoplastic Elastomers; 1.2.5 Polymer Composites; 1.3 Thermal Properties; 1.3.1 Phase Transitions; 1.3.1.1 Glass Transition (Tg); 1.3.1.2 Flow Temperature (Tf); 1.3.1.3 Crystallite Melting Temperature (Tm); 1.3.1.4 Thermal Decomposition (Td)
1.3.2 Specific Volume1.3.3 Heat Capacity; 1.3.4 Heat Conduction; 1.3.5 Temperature Conduction; 1.3.5.1 Amorphous Thermoplastics; 1.3.5.2 Semicrystalline Thermoplastics; 1.4 Optical Properties; 1.4.1 Optical Constants; 1.4.2 Reflection, Transmission and Absorption Behavior; 1.4.3 Scattering of NIR- and IR-Radiation in Plastics; 1.4.4 Absorption of NIR-Laser Radiation (λ = 800 nm to 1200 nm); 1.4.4.1 Electronic Excitation; 1.4.4.2 Vibronic Excitation; 1.4.4.3 Summarizing Comment; 1.4.5 Absorption of NIR-Laser Radiation (λ = 1200 nm to 2500 nm) 1.4.6 Absorption of MIR-Laser Radiation (λ = 2.5 mm to 25 μm)1.4.7 Adaptation of NIR-Radiation Absorption by Additives; 1.4.7.1 Carbon Black; 1.4.7.2 Inorganic Pigments; 1.4.7.3 Organic Dyes; 1.4.7.4 Summarizing Comment; References; 2 Laser Sources for Plastic Welding; 2.1 Properties of Laser Radiation; 2.1.1 Laser Wavelength; 2.1.2 Intensity Distribution; 2.1.3 Beam Propagation; 2.1.4 Focusing Properties; 2.2 Types of Lasers; 2.2.1 Diode Lasers (800 to 2000 nm); 2.2.2 Nd:YAG-Lasers (1064 nm); 2.2.3 Fiber Lasers; 2.2.4 CO2-Lasers (10.6 μm); 2.2.5 Summary; 2.3 Beam Guiding and Focusing 2.3.1 Beam-Guiding Systems2.3.1.1 Glass-Fiber Systems; 2.3.1.2 Mirror Systems; 2.3.2 Focusing Systems; 2.3.2.1 Static Focusing Systems; 2.3.2.2 Dynamic Focusing Systems; 2.3.3 Beam-Shaping Optics; 2.4 Principle Setup of Laser Welding Systems; References; 3 Basics of Laser Plastic Welding; 3.1 Heat Generation and Dissipation; 3.1.1 Absorption of Laser Radiation; 3.1.1.1 Direct Absorption; 3.1.1.2 Indirect Absorption; 3.1.1.3 Hindered Absorption by Internal Scattering; 3.1.2 Transfer of Laser Energy into Process Heat; 3.1.3 Dissipation of Process Heat 3.1.4 Process Simulation by Complex Computation3.2 Theory of Fusion Process; 3.2.1 Interdiffusion Process (Reptation Model); 3.2.2 Interchange of Macromolecules by Squeeze Flow Process; 3.2.3 Mixing of Crystalline Phases; 3.3 Material Compatibility; References; 4 Process of Laser Plastic Welding; 4.1 Basic Process Principles; 4.1.1 Butt-Joint Welding; 4.1.2 Through-Transmission Welding; 4.2 Process Types; 4.2.1 Contour Welding; 4.2.2 Quasisimultaneous Welding; 4.2.3 Simultaneous Welding; 4.2.4 Special Processes; 4.2.4.1 Mask Laser Welding; 4.2.4.2 TWIST Laser Welding 4.2.4.3 Globo Laser Welding |
| Record Nr. | UNINA-9910130960703321 |
|
Klein Rolf
|
||
| Weinheim, : Wiley-VCH, c2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Laser welding of plastics [[electronic resource] /] / Rolf Klein
| Laser welding of plastics [[electronic resource] /] / Rolf Klein |
| Autore | Klein Rolf |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | Weinheim, : Wiley-VCH, c2012 |
| Descrizione fisica | 1 online resource (200 p.) |
| Disciplina | 668.41 |
| Soggetto topico |
Laser welding
Plastics - Welding |
| ISBN |
3-527-63697-8
3-527-63698-6 3-527-63696-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Laser Welding of Plastics; Contents; Introduction; 1 Material Properties of Plastics; 1.1 Formation and Structure; 1.2 Types of Plastics; 1.2.1 Thermoplastic Resins; 1.2.1.1 Amorphous Thermoplastics; 1.2.1.2 Semicrystalline Thermoplastics; 1.2.2 Elastomers; 1.2.3 Thermosets; 1.2.4 Polymer Compounds; 1.2.4.1 Polymer Blends; 1.2.4.2 Copolymers; 1.2.4.3 Thermoplastic Elastomers; 1.2.5 Polymer Composites; 1.3 Thermal Properties; 1.3.1 Phase Transitions; 1.3.1.1 Glass Transition (Tg); 1.3.1.2 Flow Temperature (Tf); 1.3.1.3 Crystallite Melting Temperature (Tm); 1.3.1.4 Thermal Decomposition (Td)
1.3.2 Specific Volume1.3.3 Heat Capacity; 1.3.4 Heat Conduction; 1.3.5 Temperature Conduction; 1.3.5.1 Amorphous Thermoplastics; 1.3.5.2 Semicrystalline Thermoplastics; 1.4 Optical Properties; 1.4.1 Optical Constants; 1.4.2 Reflection, Transmission and Absorption Behavior; 1.4.3 Scattering of NIR- and IR-Radiation in Plastics; 1.4.4 Absorption of NIR-Laser Radiation (λ = 800 nm to 1200 nm); 1.4.4.1 Electronic Excitation; 1.4.4.2 Vibronic Excitation; 1.4.4.3 Summarizing Comment; 1.4.5 Absorption of NIR-Laser Radiation (λ = 1200 nm to 2500 nm) 1.4.6 Absorption of MIR-Laser Radiation (λ = 2.5 mm to 25 μm)1.4.7 Adaptation of NIR-Radiation Absorption by Additives; 1.4.7.1 Carbon Black; 1.4.7.2 Inorganic Pigments; 1.4.7.3 Organic Dyes; 1.4.7.4 Summarizing Comment; References; 2 Laser Sources for Plastic Welding; 2.1 Properties of Laser Radiation; 2.1.1 Laser Wavelength; 2.1.2 Intensity Distribution; 2.1.3 Beam Propagation; 2.1.4 Focusing Properties; 2.2 Types of Lasers; 2.2.1 Diode Lasers (800 to 2000 nm); 2.2.2 Nd:YAG-Lasers (1064 nm); 2.2.3 Fiber Lasers; 2.2.4 CO2-Lasers (10.6 μm); 2.2.5 Summary; 2.3 Beam Guiding and Focusing 2.3.1 Beam-Guiding Systems2.3.1.1 Glass-Fiber Systems; 2.3.1.2 Mirror Systems; 2.3.2 Focusing Systems; 2.3.2.1 Static Focusing Systems; 2.3.2.2 Dynamic Focusing Systems; 2.3.3 Beam-Shaping Optics; 2.4 Principle Setup of Laser Welding Systems; References; 3 Basics of Laser Plastic Welding; 3.1 Heat Generation and Dissipation; 3.1.1 Absorption of Laser Radiation; 3.1.1.1 Direct Absorption; 3.1.1.2 Indirect Absorption; 3.1.1.3 Hindered Absorption by Internal Scattering; 3.1.2 Transfer of Laser Energy into Process Heat; 3.1.3 Dissipation of Process Heat 3.1.4 Process Simulation by Complex Computation3.2 Theory of Fusion Process; 3.2.1 Interdiffusion Process (Reptation Model); 3.2.2 Interchange of Macromolecules by Squeeze Flow Process; 3.2.3 Mixing of Crystalline Phases; 3.3 Material Compatibility; References; 4 Process of Laser Plastic Welding; 4.1 Basic Process Principles; 4.1.1 Butt-Joint Welding; 4.1.2 Through-Transmission Welding; 4.2 Process Types; 4.2.1 Contour Welding; 4.2.2 Quasisimultaneous Welding; 4.2.3 Simultaneous Welding; 4.2.4 Special Processes; 4.2.4.1 Mask Laser Welding; 4.2.4.2 TWIST Laser Welding 4.2.4.3 Globo Laser Welding |
| Record Nr. | UNINA-9910830318303321 |
|
Klein Rolf
|
||
| Weinheim, : Wiley-VCH, c2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mixing and compounding of polymers : theory and practice / editors: I. Manas-Zloczower, Z. Tadmor ; with contributions from J.-F- Agassant...[et al.]
| Mixing and compounding of polymers : theory and practice / editors: I. Manas-Zloczower, Z. Tadmor ; with contributions from J.-F- Agassant...[et al.] |
| Pubbl/distr/stampa | Munich [etc.] : Hanser Publ., copyr. 1994 |
| Disciplina | 668.41 |
| Soggetto non controllato | materie plastiche miscelazione |
| ISBN | 1-56990-156-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-990000163570203316 |
| Munich [etc.] : Hanser Publ., copyr. 1994 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Mixing in polymer processing / edited by Chris Rauwendaal
| Mixing in polymer processing / edited by Chris Rauwendaal |
| Pubbl/distr/stampa | New York [etc.] : Marcel Dekker, copyr. 1991 |
| Descrizione fisica | VIII, 475 p. : ill. ; 23 cm |
| Disciplina | 668.41 |
| Collana | Plastics engineering |
| Soggetto non controllato | materie plastiche miscelazione |
| ISBN | 0-8247-8521-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-990000124310203316 |
| New York [etc.] : Marcel Dekker, copyr. 1991 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Plastics additives [[electronic resource] ] : an industrial guide . Volume 3 / / by Ernest W. Flick
| Plastics additives [[electronic resource] ] : an industrial guide . Volume 3 / / by Ernest W. Flick |
| Autore | Flick Ernest W |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Norwich, N.Y., : William Andrew Publishing, c2002 |
| Descrizione fisica | 1 online resource (160 p.) |
| Disciplina |
668.4/11
668.41 |
| Collana | Plastics Design Library |
| Soggetto topico |
Plastics - Additives
Polymers - Additives |
| ISBN |
0-08-094692-5
0-8155-1864-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | FRONT COVER; PLASTICS ADDITIVES Volume III; Preface; Contents and Subject Index; Section XX Stabilizers; Section XXI Stearates; Section XXII UV Absorbers; Section XXIII Viscosity Regulators; Section XXIV Waxes; Section XXV Miscellaneous & Multipurpose Compounds; Tradenames; Suppliers' Address |
| Record Nr. | UNINA-9911006840003321 |
|
Flick Ernest W
|
||
| Norwich, N.Y., : William Andrew Publishing, c2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Plastics additives [[electronic resource] ] : an industrial guide . Volume 1 / / by Ernest W. Flick
| Plastics additives [[electronic resource] ] : an industrial guide . Volume 1 / / by Ernest W. Flick |
| Autore | Flick Ernest W |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Norwich, N.Y., U.S.A., : Noyes, : William Andrew Pub., c2001 |
| Descrizione fisica | 1 online resource (313 p.) |
| Disciplina |
668.41
668.411 |
| Collana | Plastics Design Library |
| Soggetto topico |
Plastics - Additives
Polymers |
| ISBN |
1-282-75525-0
1-282-01137-5 9786612011375 9786612755255 0-08-094689-5 0-8155-1862-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Plastics Additives an Industrial Guide; Copyright Page; Contents and Subject Index; SECTION I: ADHESION PROMOTERS; ADMTronics Unlimited, Inc; Chartwell International, Inc; Dow Corning Corp; Sartomer; Uniroyal ChemicalCo., Inc; SECTION II: ANTI-FOGGING AGENTS; Lonza Inc; Chemax.Inc; Merix Chemical Co; Morton Plastics Additives; Patco Additives Division; Witco Corp; SECTION III: ANTIOXIDANTS; Bayer Corp; Ciba Specialty Chemicals; Cytec Industries Inc; Fairmount Chemical Co., inc; GE Specialty Chemicals; Goodyear Chemical; Great Lakes Chemical Corp; Mayzo; Neville Chemical Co.
Raschig Corp.3V Inc.; Uniroyal Chemical Co., Inc.; Witco Corp.; SECTION IV: ANTI-STATIC AGENTS; ACL Staticide; Akzo Nobel Chemicals Inc.; Amstat Industries, Inc.; BASFCorp.; Chemax,Inc.; Cytec Industries Inc.; Eastern Color & Chemical Co; Jackson Lea; Lonza Inc.; LonzaInc.; Merix Chemical, Co; Merix Chemical, Co.; Patco Additives Division; 3V Inc.; Tomah Products, Inc.; SECTION V: ANTIBACTERIALS/FUNGICIDES/ MILDEWCIDES; Ferro Corp.; Microban Products Co.; MortonInternational, Inc.; Sangi America Inc.; SECTION VI: BONDING, BLOWING AND FOAMING AGENTS; Endex PolymerAdditives, Inc Rit-Chem Co., IncSECTION VII: DISPERSANTS; Chemax, Inc; TegoChemieServiceGmbH; SECTION VIII: FILLERS AND EXTENDERS; Agrashell, Inc; American Wood Fibers; Claremont Flock Corp.; Degussa AG; D.J. Enterprises, Inc; ECC International; Fiber Sales& Development Corp.; Fibertec; J. M. Huber Corp.; lntercorp Inc.; Kaopolite Inc.; Luzenac America, Inc.; Malvern Mineral Co.; Mississippi Lime Co.; NYCO; Ohio Lime, Inc.; Perlite Institute, Inc.; Pierce & Stevens Corp.; Piqua Minerals; Potters Industries Inc.; Shamokin Filler Co., Inc.; Silbrico Corp.; Unimin Corp.; U. S. Silica SECTION IX: FIRE AND FLAME RETARDANTS/SMOKE SUPPRESSANTSAceto Corp.; Albernarle Corp.; Albright & Wilson Americas Inc.; Alcan Chemicals; Aluchem, Inc.; Alusuisse Aluminum USA; Amspec Chemical Corp.; D. J. Enterprises, Inc.; Dover Chemical Corp; DSM Melapur; Eastern Color&Chemical Co; Ferro Corp.; Focus Chemical Corp.; GE Silicone; Great LakesChemical Corp.; H & C Industries Inc; J. M. Huber Corp.; Laurel Industries; Martin Marietta Magnesia Specialties; Nyacol NanoTechnologies, Inc; Polymer AdditivesGroup; Sherwin-Williams Co.; SybronChemicals Inc.; 3V Inc.; U. S. Borax, Inc. TRADE NAME INDEXSUPPLIERS' ADDRESSES; SUPPLIERS' ADDRESSES |
| Record Nr. | UNINA-9911006836703321 |
|
Flick Ernest W
|
||
| Norwich, N.Y., U.S.A., : Noyes, : William Andrew Pub., c2001 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Plastics compounding and polymer processing : fundamentals, machines, equipment, application technology / / Klemens Kohlgrüber, Michael Bierdel, Harald Rust [eds.]
| Plastics compounding and polymer processing : fundamentals, machines, equipment, application technology / / Klemens Kohlgrüber, Michael Bierdel, Harald Rust [eds.] |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | München : , : Hanser, , 2022 |
| Descrizione fisica | 1 online resource (881 pages) |
| Disciplina | 668.41 |
| Soggetto topico |
Plastics - Mixing
Polymerization |
| Soggetto genere / forma | Handbooks and manuals. |
| ISBN |
1-5231-4507-2
1-56990-838-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- The Authors -- In Memoriam -- Preface -- Contents -- PART A: Introduction to the Processing of Polymers -- 1 Introduction -- Klemens Kohlgrüber, Michael Bierdel -- 1.1 Plastics and Their Importance -- 1.2 Processing and Compounding -- 1.3 Recycling of Plastics -- 1.4 Guide to the Individual Chapters of this Book -- 2 Polymer Processing - Process Technology of Polymer Production -- Klemens Kohlgrüber -- 2.1 Introduction -- 2.2 Polymer Processing during the Polymer Synthesis in the Primary Production -- 2.3 Polymer Processing after the Polymer Production - Compounding -- 2.3.1 Main Temperature Window when Compounding for Finish Mixture -- 2.3.2 Mixing in the Extruder -- 2.3.3 Temperature and Time Limits for Compounding -- 2.3.4 Challenges when Compounding -- 2.3.5 Energy Requirement when Compounding -- 2.3.6 Range of Performance of Extruder -- 2.3.7 Throughput and Performance Density -- 2.3.8 Performance Density in the Melt Area -- 2.3.9 Energy Balance and Product Discharge Temperature -- 2.3.10 Static Mixers -- 2.3.11 Mixing Performance, Mixing Quality, Cross Mixing, Longitudinal Mixing -- 2.3.11.1 Mixing Performance -- 2.3.11.2 Mixing Performance and Mixing Quality -- 2.3.11.3 Cross and Longitudinal Mixing -- 2.3.11.4 Residence Time Distribution -- 2.3.11.5 Mean Residence Time -- PART B: Processing in Polymer Production -- 3 Devolatilizing Devices -- 3.1 Fundamentals of Devolatilization -- Heino Thiele -- 3.1.1 Phase Equilibrium -- 3.1.2 Macroscopic Mass and Energy Balance -- 3.1.3 Quantities Influencing the Change in Concentration -- 3.1.4 General Conclusions -- 3.2 Polymer Production and Degassing Tasks -- Klemens Kohlgrüber -- 3.2.1 General Challenges at the Degassing of Volatiles from Polymers -- 3.2.2 Special Features at the Degassing of Polymers with High Content of Volatiles and Limitation of Finish Degassing.
3.3 Overview of Devices and Machines for Compounding with Polymer Degassing -- Klemens Kohlgrüber -- 3.3.1 Introduction -- 3.3.2 Devices with Rotating Components and Machines -- 3.4 Apparatus-Based Polymer Evaporation -- Klemens Kohlgrüber -- 3.4.1 Tube Evaporator -- 3.4.2 Process and Devices for Finish Degassing for Very Low Residual Contents in the Polymer -- 3.4.3 General Scheme of an Apparatus-Based Evaporation Stage -- 3.4.4 Product Quality -- 3.5 Degassing of Polymers in Purge Bins -- Harald Wilms, Hans Schneider -- 3.5.1 Introduction -- 3.5.2 Process Requirements for Degassing of Solids -- 3.5.3 Basics of Particle Degasssing -- 3.5.4 Determination of Degassing Process Parameters -- 3.5.4.1 Oven Tests -- 3.5.4.2 Batch Trials -- 3.5.4.3 Pilot Plant Tests -- 3.5.4.4 Criteria for the Gas Flow Rate for Degassing -- 3.5.5 Design Requirements for the Degassing Silo -- 3.5.6 Heating of Bulk Solids -- 3.5.7 Energy-Efficient Plant Concepts -- 3.5.8 Comparable Applications -- 3.5.9 Summary -- PART C: Processing after Polymer Production - Compounding -- 4 Requirements, Product Development, Additives, Sources of Faults -- 4.1 Compounding Requirements from the Compounder's Perspective -- Thomas Schuldt -- 4.1.1 Introduction -- 4.1.2 Economics -- 4.1.3 Technical Requirements along the Process Chain -- 4.1.3.1 Material Handling -- 4.1.3.2 Raw Material Pre-Treatment -- 4.1.3.3 Premixing -- 4.1.3.4 Extruder and Wear -- 4.1.3.5 Cooling and Pelletizing -- 4.1.3.6 Packaging -- 4.1.4 Quality Control -- 4.1.5 Environmental Aspects -- 4.1.6 Conclusions -- 4.2 Product Development -- Thomas Schuldt -- 4.2.1 Introduction -- 4.2.2 Types of Product Development -- 4.2.3 Building Blocks of Product Development -- 4.2.3.1 Equipment Technology -- 4.2.3.2 Process Technology -- 4.2.3.3 Formulation -- 4.2.4 Ingredients -- 4.2.4.1 Additives -- 4.2.4.2 Fillers -- 4.2.4.3 Pigments. 4.2.5 Innovation -- 4.2.6 Quality Control -- 4.2.7 Scale-up -- 4.3 Additives for Polymers - From Polymer to Plastic -- Hermann Diem -- 4.3.1 Blends -- 4.3.1.1 Definition of Blends -- 4.3.1.2 Classification of Multi-Phase Systems -- 4.3.1.2.1 Polymer Blends -- 4.3.1.2.2 Dry Blends -- 4.3.2 Additives -- 4.3.2.1 Definition of Additives -- 4.3.2.2 Effects and Mode of Operation of the Additives -- 4.3.2.2.1 Plasticizers -- 4.3.2.2.2 Stabilizers -- 4.3.2.3 Incorporation of Additives into Polymers -- 4.3.3 Fillers -- 4.3.3.1 Definition of Fillers -- 4.3.3.2 Classification and Properties of Fillers -- 4.3.3.3 Aspect Ratio -- 4.4 Practical Examples Regarding Sources of Fault/Avoidance of Faults during Compounding -- Klemens Kohlgrüber -- 4.4.1 Black Specks -- 4.4.2 Sources at Dosing and Mixing -- 4.4.2.1 Demixing -- 4.4.2.2 Dosing System -- 4.4.2.3 Mixing of Polymer with Additives -- 4.4.3 Drive-Measurement Technique -- 4.4.4 Faults in Tests with Small Extruders for Scale-up Purposes -- 5 Compounding with Co-Rotating Twin-Screw Extruders -- 5.1 Introduction -- Klemens Kohlgrüber -- 5.1.1 Advantages of the Co-Rotating Twin-Screw Extruder -- 5.1.2 Disadvantages of the Co-Rotating Twin-Screw Extruder -- 5.1.3 Range of Services and Power Density of Co-Rotating Twin-Screw Extruders -- 5.1.4 Parameters in Dependence on the Diameter Ratio Da/Di -- 5.1.4.1 Strength and Throughput as a Function of Da/Di -- 5.1.4.2 Pressure and Power Characteristic as a Function of Da/Di -- 5.1.4.3 Maximum Product Volume -- 5.1.4.4 Inner Surface of the Housing to Maximum Product Space -- 5.1.4.5 Outlook -- 5.1.5 Special Types of Construction of the Co-Rotating Extruder -- 5.2 Tasks and Design of the Processing Zones of a Compounding Extruder -- Reiner Rudolf, Michael Bierdel -- 5.2.1 Melt Conveying Zone -- 5.2.2 Solids Conveying Zone -- 5.2.3 Plastification Zone. 5.2.4 Distributive and Dispersive Mixing Zone -- 5.2.5 Devolatilization Zone -- 5.2.6 Pressure Build-up Zone -- 5.2.7 Complete Screw Configuration -- 5.2.8 Specific Energy Input -- 5.2.9 Residence Time Characteristics -- 5.3 Process and Screw Concepts for Machines with High Throughputs -- Frank Lechner -- 5.3.1 Development to High Torques, Volumes, and Rotations -- 5.3.2 Parameters and Process Limits of Co-Rotating Twin-Screw Kneaders -- 5.3.3 Process Length and Screw Development -- 5.3.4 Maximum Possible Screw Speed -- 5.3.5 Torque-Limited Processes -- 5.3.6 Volume-Limited Processes -- 5.3.7 Quality-Limited Processes -- 5.3.8 Process Concept for Economical Compounding -- 5.3.9 Outlook -- 5.4 Screw Designs for Highly Filled Polymers (and Dosing Strategies) -- Sebastian Fraas -- 5.4.1 Why Filler Compounds? -- 5.4.2 Typical Applications -- 5.4.3 Material-Specific Influencing Factors -- 5.4.3.1 Influence of Filler -- 5.4.3.1.1 Origin/Mining -- 5.4.3.1.2 Particle Size and Particle Size Distribution -- 5.4.3.1.3 Coating -- 5.4.3.1.4 Moisture Content -- 5.4.3.2 Polymer and Additives -- 5.4.4 Process Technology -- 5.4.4.1 Conveying Technology -- 5.4.4.2 Dosing Equipment -- 5.4.4.3 Downstream Equipment -- 5.4.4.4 Barrel Setup of an Extruder for Highly Filled Compounds -- 5.4.4.5 Screw Design -- 5.4.4.5.1 Melting Zone -- 5.4.4.5.2 Filler Addition and Wetting -- 5.4.4.5.3 Dispersion Zone -- 5.4.4.5.4 Vacuum and Discharge Zone -- 5.4.4.6 Entire System -- 5.5 Compounding of Natural Fiber Reinforced Plastics -- Dijan Iliew, Stephen Kroll, Andrea Siebert-Raths -- 5.5.1 Pre-Knowledge for the Processing of Natural Fibers -- 5.5.2 Design and Parameterization of the Process Unit of a Co-Rotating Twin-Screw Extruder -- 5.6 Fundamentals of Thermoplastic Foam Extrusion by Means of Parallel Twin-Screw Extruders -- Lukas Vogel. 5.6.1 Definition and Characterization of Foams -- 5.6.2 Process Steps for Foam Extrusion -- 5.6.2.1 Provision of Thermoplastic Melts -- 5.6.2.2 Addition and Admixing of the Propellant (Blowing Agent) -- 5.6.2.3 Injecting the Blowing Agent and Conditioning of the Melt -- 5.6.2.4 Discharge of the Melt through the Die -- 5.6.2.5 Growth of Cells and Stabilization of the Foam Structure -- 5.6.3 System Components for Foam Extrusion -- 5.7 Screw Configurations -- Michael Bierdel -- 5.8 Materials, Coatings, Wear Technology -- Oliver Kayser -- 5.8.1 Requirements to the Components for Compounding -- 5.8.2 Materials and Heat Treatment -- 5.8.2.1 Tempering Steels and Nitriding Steels -- 5.8.2.2 Hot-Work Steels -- 5.8.2.3 Alloyed Cold-Work Steels -- 5.8.2.4 High-Speed Steels -- 5.8.3 Execution of Components of Twin-Screw Extruders -- 5.8.4 Process of Surface Layer Hardening -- 5.8.4.1 Wear Protection by Nitriding -- 5.8.4.2 Avoidance of Adhesive Wear due to Nitriding -- 5.8.4.3 Avoidance of Pitting Corrosion by Nitriding -- 5.8.4.4 Special Process for Maintaining Corrosion Protection -- 5.8.5 Wear Protection by Coatings -- 5.8.5.1 Hard Chromium -- 5.8.5.2 Chemical Nickel -- 5.8.5.3 Thin Layers of Hard Material -- 5.8.5.3.1 Physical Vapor Deposition -- 5.8.5.3.2 Chemical Vapor Deposition -- 5.8.6 Recommendations for Application -- 5.8.7 Summary and Outlook -- 6 Compounding and Polymer Processing with Different Extruder Types -- 6.1 Extruder Types - Introduction -- Klemens Kohlgrüber -- 6.1.1 Compounding and Processing with Different Extruder Types -- 6.1.2 Single-Screw Extruders -- 6.1.3 Gear Pumps -- 6.1.4 Co-Rotating Twin-Screw Extruders -- 6.1.5 Counter-Rotating Twin-Screw Extruders -- 6.1.6 Multi-Screw Extruders: RingExtruders and Planetary Roller Extruders -- 6.1.7 Non-Screw Extruders -- 6.1.8 High-Viscosity Reactors -- 6.2 Single-Screw Extruder. Gregor Karrenberg. |
| Record Nr. | UNINA-9911006723703321 |
| München : , : Hanser, , 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Plastics process engineering / James L. Throne
| Plastics process engineering / James L. Throne |
| Autore | Throne, James L. |
| Pubbl/distr/stampa | Ann Arbor : U.M.I |
| Disciplina | 668.41 |
| Soggetto non controllato |
materie plastiche
polimeri e polimerizzazione |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-990000135090203316 |
|
Throne, James L.
|
||
| Ann Arbor : U.M.I | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Pultrusion for engineers / edited by Trevor F. Starr
| Pultrusion for engineers / edited by Trevor F. Starr |
| Pubbl/distr/stampa | Boca Raton [etc.] : CRC Press, c2000 |
| Descrizione fisica | XXXI, 303 p. : ill. ; 24 cm |
| Disciplina | 668.41 |
| Soggetto topico | Materie plastiche |
| ISBN | 0-8493-0843-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-990000691820203316 |
| Boca Raton [etc.] : CRC Press, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
