دانلود کتاب Practical Guide to High Performance Engineering Plastics - Original PDF - Libsan

دانلود کتاب Practical Guide to High Performance Engineering Plastics - Original PDF

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High performance engineering plastics are used in a vast range of applications and environments. They are becoming increasingly important because of trends towards more reliable and higher performance machines and devices. This book gives readers a working knowledge and understanding of high performance engineering plastics. It starts with a simple, practical overview of key properties and principles. In each of the chapters there are sections on production chemistry, product forms, properties, processing and applications. There is a strong bias towards materials and concepts which are used in practice. The materials covered include high performance Polyethersulfones, Polyetherimides, Polyphthalamides, Polyphenylene Sulfide, Polyaryletherketones, Polyamideimides, Polyimides, Polybenzimidazole, Liquid Crystalline Polyesters and Perfluoropolymers. The reader will develop the ability to understand why materials are chosen for certain applications, why those materials have particular properties and how those properties can be modified. This will facilitate conversations with both materials suppliers and end users. It will help to identify the best and most cost effective solutions.

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High-performance engineering plastics are used in a vast range of applications and environments. They are becoming increasingly important because of the trend towards more reliable and higher-performance machines and devices. Typically there are multiple suppliers for each material and hundreds of individual product grades. Materials are usually selected on the basis of combinations of properties rather than a single key parameter. The result can be a bewildering array of possibilities.High-performance engineering plastics are used in a vast range of applications and environments. They are becoming increasingly important because of the trend towards more reliable and higher-performance machines and devices. Typically there are multiple suppliers for each material and hundreds of individual product grades. Materials are usually selected on the basis of combinations of properties rather than a single key parameter. The result can be a bewildering array of possibilities.

چکیده فارسی

پلاستیک‌های مهندسی با کارایی بالا در طیف وسیعی از برنامه‌ها و محیط‌ها استفاده می‌شوند. به دلیل گرایش به سمت ماشین‌ها و دستگاه‌های قابل اعتمادتر و با کارایی بالاتر، اهمیت آن‌ها به طور فزاینده‌ای در حال تبدیل شدن به اهمیت هستند. به طور معمول برای هر ماده چندین تامین کننده و صدها درجه محصول جداگانه وجود دارد. مواد معمولاً بر اساس ترکیبی از ویژگی ها به جای یک پارامتر کلیدی انتخاب می شوند. نتیجه می تواند مجموعه ای گیج کننده از احتمالات باشد. پلاستیک های مهندسی با کارایی بالا در طیف وسیعی از برنامه ها و محیط ها استفاده می شوند. به دلیل گرایش به سمت ماشین‌ها و دستگاه‌های قابل اعتمادتر و با کارایی بالاتر، اهمیت آن‌ها به طور فزاینده‌ای در حال تبدیل شدن به اهمیت هستند. به طور معمول برای هر ماده چندین تامین کننده و صدها درجه محصول جداگانه وجود دارد. مواد معمولاً بر اساس ترکیبی از ویژگی ها به جای یک پارامتر کلیدی انتخاب می شوند. نتیجه می تواند مجموعه ای گیج کننده از احتمالات باشد.

ادامه ...

Title:	Practical Guide to High Performance Engineering Plastics		Volume:
Author(s):	Kemmish, David J.
Series:		Periodical:
Publisher:	iSmithers Rapra Publishing	City:
Year:	2011-09-05	Edition:	1
Language:	English	Pages (biblio\tech):	136\136
ISBN:	1847355765, 1847355781, 9781847355768, 9781847355782	ID:	803279
Time added:	2012-03-09 12:00:00	Time modified:	2019-12-21 21:23:21
Library:		Library issue:
Size:	1 MB (1157605 bytes)	Extension:	pdf

ادامه ...

Preface .................................................................................................................vii 1 Overview of Key Properties and Underlying Principles.................................. 1 1.1 Introduction ........................................................................................ 1 1.2 Key Properties ..................................................................................... 2 1.2.1 Short-term Temperature Performance ..................................... 2 1.2.2 Long-term Temperature Performance...................................... 5 1.2.3 Chemical Resistance................................................................ 6 1.2.4 Radiation Resistance............................................................... 8 1.2.5 Fire, Smoke and Toxicity......................................................... 9 1.2.6 Mechanical Performance....................................................... 10 1.2.7 Purity and Outgassing........................................................... 13 1.2.8 Electrical Properties .............................................................. 14 1.2.9 Colour and Colour Measurement ......................................... 15 1.3 Structural Characterisation................................................................ 15 1.4 Processing Considerations ................................................................. 18 1.4.1 Economics............................................................................. 18 1.4.2 Metals versus Plastics............................................................ 19 1.4.3 Melt Flow ............................................................................. 20 1.4.4 Crystallisation and Crystallinity............................................ 21 1.4.5 Dimensional Tolerances and Stability.................................... 23 1.4.6 Recycling .............................................................................. 24 1.5 Property Improvement....................................................................... 24 1.5.1 Reinforcements, Fillers and Additives ................................... 24 1.5.2 Continuous-fibre Thermoplastic Composites ........................ 27 1.5.3 Blends ................................................................................... 28 Contents iv Contents 1.6 Food Contact and Medical Devices ................................................... 29 1.6.1 Food Contact........................................................................ 29 1.6.2 Medical Devices.................................................................... 29 1.7 Notes and Caveats on Reading the Materials Chapters...................... 30 2 Polyarylethersulfones and Polyaryletherimides............................................ 33 2.1 Introduction ...................................................................................... 33 2.2 Chemistry and Manufacturing........................................................... 33 2.2.1 Polyethersulfones .................................................................. 33 2.2.2 Polyetherimides..................................................................... 36 2.3 Properties and Processing .................................................................. 38 2.4 Applications ...................................................................................... 43 3 Semi-Aromatic Polyamides (Polyphthalamides)........................................... 47 3.1 Introduction ...................................................................................... 47 3.2 Chemistry and Manufacturing Processes............................................ 47 3.3 Properties and Processing .................................................................. 50 3.4 Applications ...................................................................................... 53 4 Polyphenylene Sulfide .................................................................................. 57 4.1 Introduction ...................................................................................... 57 4.2 Chemistry and Manufacturing Processes............................................ 57 4.3 Product Forms, Properties and Processing ......................................... 59 4.4 Applications ...................................................................................... 61 5 Polyaryetherketones .................................................................................... 65 5.1 Introduction ...................................................................................... 65 5.2 Chemistry and Manufacturing........................................................... 65 5.3 Properties and Processing .................................................................. 67 5.4 Applications ...................................................................................... 70 6 Polyamideimides.......................................................................................... 75 6.1 Introduction ...................................................................................... 75 6.2 Chemistry and Manufacturing........................................................... 75 v Contents 6.3 Properties and Processing .................................................................. 76 6.4 Applications ...................................................................................... 78 7 Polyimides................................................................................................... 81 7.1 Introduction ...................................................................................... 81 7.2 Chemistry and Manufacturing........................................................... 81 7.3 Properties and Processing .................................................................. 84 7.4 Applications ...................................................................................... 85 8 Polybenzimidazole....................................................................................... 87 8.1 Introduction ...................................................................................... 87 8.2 Chemistry and Manufacturing........................................................... 87 8.3 Properties and Processing .................................................................. 89 8.4 Applications ...................................................................................... 90 9 Thermotropic Liquid Crystalline Polyesters................................................. 93 9.1 Introduction ...................................................................................... 93 9.2 Chemistry and Manufacturing........................................................... 93 9.3 Properties and Processing .................................................................. 95 9.4 Applications ...................................................................................... 97 10 Polyphenylenes.......................................................................................... 101 10.1 Introduction .................................................................................... 101 10.2 Chemistry and Manufacturing......................................................... 101 10.3 Product Forms, Properties and Processing ....................................... 102 10.4 Applications .................................................................................... 104 11 Perfluoropolymers..................................................................................... 107 11.1 Introduction .................................................................................... 107 11.2 Chemistry and Manufacturing......................................................... 107 11.3 Structure-property Relationships in Perfluorpolymers...................... 108 11.4 Properties and Processing ................................................................ 110 11.5 Applications .................................................................................... 112 Abbreviations .....................................................................................................115 Index ..................................................................................................................117

ادامه ...