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This book presents the most important aspects of microcellular injection molding with applications for science and industry. The book includes: experimental rheology and pressure-volume-temperature (PVT) data for different gas materials at real injection molding conditions, new mathematical models, micrographs of rheological and thermodynamic phenomena, and the morphologies of microcellular foam made by injection molding. Further, the author proposes two stages of processing for microcellular injection molding, along with a methodology of systematic analysis for process optimization. This gives critical guidelines for quality and quantity analyses for processing and equipment design.
A growing number of plastics processors gain a competitive edge by utilizing the commercial microcellular process using existing injection molding or extrusion equipment at commercial production rates with low-cost modifications. End users also gain an advantage when the microcellular process is incorporated into product design and cost. To facilitate the transition and to help processors and end users make the most of this cutting edge commercial technology, this book provides a comprehensive description of all crucial elements.
SCFs are currently the subjects of intense research and commercial interest. Applications such as the RESS (rapid expansion of supercritical fluid solutions) process are part of standard industrial practice. In view of their ever-growing importance in the polymer industry there is a need to fully comprehend how supercritical fluids interrelate with polymeric materials to realise the potential that can be gained from their use. The authors review the basic principles of SCFs and their application within the polymer industry: characteristics and properties, extraction of unwanted residual products, polymerisation solvents, and polymer impregnation. Processing applications such as plasticisation, foaming and blending are also considered. There is discussion of the potential within the polymer recycling industry for use of SCFs as cleaning agents or within supercritical oxidation processes. Around 400 references with abstracts from recent global literature accompany this review, sourced from the Polymer Library, to facilitate further reading. A subject index and a company index are included.
Wood-plastic composite (WPC) is a non-recyclable composite material lumber or timber made of recycled plastic and wood wastes which has become one of the most dynamic sectors of the plastics industry in this decade. It is used in numerous applications, such as, outdoor deck floors, railings, fences, landscaping timbers, park benches, window and door frames. This book starts with a brief glimpse at the basic structures and properties of WPCs. Aspects such as surface treatment, machinery used and testing types of WPCs are also covered. The following chapters of the book give a view of foam technology, flame retardant properties and colour retardant properties of WPCs. The way morphology affects or controls the physical and mechanical behaviours of the finished materials is discussed. Finally, the authors give an overview of the applications of wood-plastic composites in daily life. The book may serve as a source book for scientists wishing to work in this field.
As researchers seek replacements for banned, ozone-depleting foaming agents, the authors of Thermoplastic Foam Processing: Principles and Development strive to develop a better understanding of foaming processes and find solutions for day-to-day practice. This book presents the latest research in foam extrusion and physical foaming agents with a st
This book is composed of different chapters which are related to the subject of injection molding and written by leading international academic experts in the field. It contains introduction on polymer PVT measurements and two main application areas of polymer PVT data in injection molding, optimization for injection molding process, Powder Injection Molding which comprises Ceramic Injection Molding and Metal Injection Molding, ans some special techniques or applications in injection molding. It provides some clear presentation of injection molding process and equipment to direct people in plastics manufacturing to solve problems and avoid costly errors. With useful, fundamental information for knowing and optimizing the injection molding operation, the readers could gain some working knowledge of the injection molding.
This 7th international conference was dedicated to blowing agents and process technology for foamed plastics and rubber. These proceedings provide excellent coverage of the key topics of interest to the industry. There are a good variety of papers on innovations in foaming technology and new applications of blowing agents, with sessions on foaming polyurethane and thermoplastics. There is also a very interesting overview paper on environmental issues and new legislation affecting the industry, particularly in construction applications.
A one-of-a-kind exploration of the fundamentals of functional polymer foams, including their fabrication and a variety of their most common applications In Functional Polymer Foams: Green Fabrication Methods, Performance and Applications, distinguished researcher Dr. Hao-Yang Mi delivers an up-to-date and incisive discussion of the fundamentals of functional polymer foams, as well as their fabrication methods and a diverse set of applications. The author covers a variety of the material’s applications, including energy absorption, acoustic absorption, superhydrophobic materials, tissue engineering scaffolding, flexible sensors, and solar steam generation. Readers will find comprehensive summaries of the mechanisms, fabrication methods, and relative performance of various polymer foams, as well as: A thorough introduction to functional polymer foams, including the fundamentals of SCF foaming Comprehensive explorations of energy absorbing polymer foams, including mechanisms of action, testing, and characterization Practical discussions of functional polymer foams used in thermal insulation, including their fabrication Complete treatments of acoustic absorption polymer foams and superhydrophobic foams, including advanced applications Perfect for polymer chemists, materials scientists, and researchers working in the sensor industry, Functional Polymer Foams will also benefit sensor developers and electronics engineers with an interest in the fabrication methods and applications of functional polymer foams.