Process Optimization Of Bimodal Polymer Emulsion

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Process Optimization of Bimodal Polymer Emulsion

Author : Linda M. Nichols
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (576 download)

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Book Synopsis Process Optimization of Bimodal Polymer Emulsion by : Linda M. Nichols

Download or read book Process Optimization of Bimodal Polymer Emulsion written by Linda M. Nichols and published by . This book was released on 2004 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the key goals of this research project was to optimize the emulsion manufacturing process of one of the key products (PRODUCT A) at the Rohm and Haas Company Louisville Production Plant. This was to be completed by determining the engineering and chemistry Critical Reaction Parameters (CRPs). The resulting recommendations are to control the initial water charge more accurately, install new flow meters for additions to the reactor, and to also install new load cells on various support tanks. A new method of calculating temperature at start of feeds was evaluated, but the new and old method differed by only 2% solids. The most important recommendation from this study was to increase the % solids for PRODUCT A to at least 6% above the baseline through a series of single percent solids scale-ups. The solids increase represents an opportunity for Rohm and Haas to save $100M annually with little or no capital investment.

30th European Symposium on Computer Aided Chemical Engineering

Author : Sauro Pierucci
Publisher : Elsevier
ISBN 13 : 0128233788
Total Pages : 2119 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis 30th European Symposium on Computer Aided Chemical Engineering by : Sauro Pierucci

Download or read book 30th European Symposium on Computer Aided Chemical Engineering written by Sauro Pierucci and published by Elsevier. This book was released on 2020-10-23 with total page 2119 pages. Available in PDF, EPUB and Kindle. Book excerpt: 30th European Symposium on Computer Aided Chemical Engineering, Volume 47 contains the papers presented at the 30th European Symposium of Computer Aided Process Engineering (ESCAPE) event held in Milan, Italy, May 24-27, 2020. It is a valuable resource for chemical engineers, chemical process engineers, researchers in industry and academia, students, and consultants for chemical industries. - Presents findings and discussions from the 30th European Symposium of Computer Aided Process Engineering (ESCAPE) event - Offers a valuable resource for chemical engineers, chemical process engineers, researchers in industry and academia, students, and consultants for chemical industries

Modeling, Process Monitoring and Optimizing Control of Emulsion Polymerization Processes

Author : Heiko Brandt
Publisher :
ISBN 13 : 9783844065688
Total Pages : pages
Book Rating : 4.0/5 (656 download)

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Book Synopsis Modeling, Process Monitoring and Optimizing Control of Emulsion Polymerization Processes by : Heiko Brandt

Download or read book Modeling, Process Monitoring and Optimizing Control of Emulsion Polymerization Processes written by Heiko Brandt and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics, Control, and Optimization of Free-radical Solution and Emulsion Polymerization Processes

Author : Brian Marcus Louie
Publisher :
ISBN 13 :
Total Pages : 710 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Dynamics, Control, and Optimization of Free-radical Solution and Emulsion Polymerization Processes by : Brian Marcus Louie

Download or read book Dynamics, Control, and Optimization of Free-radical Solution and Emulsion Polymerization Processes written by Brian Marcus Louie and published by . This book was released on 1984 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling, Validation and Time Optimal Control of Particle Size Distribution in Emulsion Polymerization

Author : Mehdi Rajabi-Hamane
Publisher :
ISBN 13 : 9783832263645
Total Pages : 144 pages
Book Rating : 4.2/5 (636 download)

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Book Synopsis Modeling, Validation and Time Optimal Control of Particle Size Distribution in Emulsion Polymerization by : Mehdi Rajabi-Hamane

Download or read book Modeling, Validation and Time Optimal Control of Particle Size Distribution in Emulsion Polymerization written by Mehdi Rajabi-Hamane and published by . This book was released on 2007 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Adaptive Dynamic Optimization of the Semibatch Emulsion Polymerization Process

Author : Mark Joseph Perri
Publisher :
ISBN 13 :
Total Pages : 657 pages
Book Rating : 4.:/5 (184 download)

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Book Synopsis Adaptive Dynamic Optimization of the Semibatch Emulsion Polymerization Process by : Mark Joseph Perri

Download or read book Adaptive Dynamic Optimization of the Semibatch Emulsion Polymerization Process written by Mark Joseph Perri and published by . This book was released on 1989 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt:

23 European Symposium on Computer Aided Process Engineering

Author : R. Paulen
Publisher : Elsevier Inc. Chapters
ISBN 13 : 012808619X
Total Pages : 16 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis 23 European Symposium on Computer Aided Process Engineering by : R. Paulen

Download or read book 23 European Symposium on Computer Aided Process Engineering written by R. Paulen and published by Elsevier Inc. Chapters. This book was released on 2013-06-10 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study dynamic optimization of a lab-scale semi-batch emulsion copolymerization reactor for styrene and butyl acrylate in the presence of n-dodecyl mercaptan as chain transfer agent (CTA). The previously developed mathematical model of the polymerization reactions is used to predict the glass transition temperature of produced polymer, the global monomer conversion, the number and weight average molecular weights, the particle size distribution, and the amount of residual monomers. This model is implemented within gPROMS environment for modeling and optimization. It is desired to compute optimal profiles of feed rate of pre-emulsioned monomers and CTA which optimize properties (quantitative as well as qualitative) of polymers produced during the reaction subject to operational conditions and constraints.

Modeling, Simulation, Dynamic Optimization and Control of a Semibatch Emulsion Polymerization Process

Author : Iván-Dario Gil
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (892 download)

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Book Synopsis Modeling, Simulation, Dynamic Optimization and Control of a Semibatch Emulsion Polymerization Process by : Iván-Dario Gil

Download or read book Modeling, Simulation, Dynamic Optimization and Control of a Semibatch Emulsion Polymerization Process written by Iván-Dario Gil and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, modeling, simulation, dynamic optimization and nonlinear control of an industrial emulsion polymerization process to produce poly-vinyl acetate (PVAc) are proposed. The reaction is modeled as a two-phase system composed of an aqueous phase and a particle phase. A detailed model is used to calculate the weight average molecular weight, the number average molecular weight and the dispersity. The moments of the growing and dead chains are used to represent the state of the polymer and to calculate the molecular weight distribution (MWD). The case study corresponds to an industrial reactor operated at a chemical company in Bogotá. An industrial scale reactor (11 m3 of capacity) is simulated where a semi-batch emulsion polymerization reaction of vinyl acetate is performed. Dynamic optimization problem is solved directly using a Nonlinear Programming solver. Integration of differential equations is made using Runge-Kutta method. Three different optimization problems are solved from the more simplistic (only one control variable: reactor temperature) to the more complex (three control variables : reactor temperature, initiator flow rate and monomer flow rate) in order to minimize the reaction time. A reduction of 25% of the batch time is achieved with respect to the normal operating conditions applied at the company. The results show that is possible to minimize the reaction time while some polymer desired qualities (conversion, molecular weight and solids content) satisfy the defined constraints. A nonlinear geometric control technique by using input/output linearization is adapted to the reactor temperature control. An extended Kalman filter (EKF) is implemented to estimate unmeasured states and it is tested in different cases including a robustness study where model errors are introduced to verify its good performance. After verification of controller performance, some process changes were proposed in order to improve process productivity and polymer quality. Finally, the optimal temperature profile and optimal feed policies of the monomer and initiator, obtained in a dynamic optimization step, are used to provide the optimal set points for the nonlinear control. The results show that the nonlinear controller designed here is appropriate to follow the optimal temperature trajectories calculated previously.

Synthesis and Optimization of Emulsion Polymers

Author : Daisy Jauregui
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (957 download)

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Book Synopsis Synthesis and Optimization of Emulsion Polymers by : Daisy Jauregui

Download or read book Synthesis and Optimization of Emulsion Polymers written by Daisy Jauregui and published by . This book was released on 2016 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic latex or resin is perhaps the most important component of any paint formulation. As the binder, it holds all ingredients in a paint together and is responsible for film formation. Various latexes are used in industry though acrylic resins have shown to impart superior paint properties.This project is concerned with the synthesis of an acrylic latex. Various emulsion polymerization processes were used including semi-batch, starved-feed, and in-situ seeded in the attempt to produce a stable latex that can be used in a broader study concerning the syneresis and rheology mechanisms of latex/thickener systems. In addition, this project investigates the optimization of the emulsion polymerization teaching lab used in the Polymers and Coatings masters program. Here, a batch emulsion polymerization process was studied and various particle stability aspects altered to produce a stable latex with minimum coagulum.

Dynamics and Control of Process Systems 2004

Author : Sirish Shah
Publisher : Elsevier
ISBN 13 : 9780080442976
Total Pages : 540 pages
Book Rating : 4.4/5 (429 download)

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Book Synopsis Dynamics and Control of Process Systems 2004 by : Sirish Shah

Download or read book Dynamics and Control of Process Systems 2004 written by Sirish Shah and published by Elsevier. This book was released on 2005-06-10 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optimization of Emulsion Polymerization of Styrene and Methyl Methacrylate (MMA)

Author : Kam Yok Loke
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (953 download)

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Book Synopsis Optimization of Emulsion Polymerization of Styrene and Methyl Methacrylate (MMA) by : Kam Yok Loke

Download or read book Optimization of Emulsion Polymerization of Styrene and Methyl Methacrylate (MMA) written by Kam Yok Loke and published by . This book was released on 2013 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper studies the optimization of emulsion copolymerization of Styrene and Methyl Methacrylate (MMA). A model-based framework for optimal operation of copolymerization processes was used in gPROMS environment and enables us to predict the maximum monomer conversion for a given total monomer feed over the batch time. The complexities of the process were represented by mathematical models for optimization and control. A process model involving the equations for mass and energy balance describing the particle evolution in a batch reactor and diffusion controlled kinetics is incorporated into the optimization framework. The modeling is account for complex physic-chemical sub-processes involving particle formation mechanisms with two monomer droplets, surfactants, initiator and particulates. Using gPROMS, the system analyzed the data, created models, developed algorithms, manipulated and plotted based on the functions and data. The determination of optimal profile for control variables used for emulsion polymerization of styrene and MMA that yielded desired conversion with fixed batch time and fixed number average molecular weight in batch reactor respectively were carried out in batch reactor. Reduction of the pre-batch time increases the Mn but decreases the conversion (Xn). The faster the addition of monomer into the reactor, the earlier the growth of the polymer chain leading to higher Mn. The increases of the reaction temperature will decrease the Mn since increases of temperature will increase the rate of termination reaction.

Fluoropolymer Additives

Author : Sina Ebnesajjad
Publisher : William Andrew
ISBN 13 : 1437734626
Total Pages : 311 pages
Book Rating : 4.4/5 (377 download)

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Book Synopsis Fluoropolymer Additives by : Sina Ebnesajjad

Download or read book Fluoropolymer Additives written by Sina Ebnesajjad and published by William Andrew. This book was released on 2011-12-05 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this first book on an additive group of growing importance, the authors review the commercial additives available on the market. The applications chapters provide you with a step by step description of techniques to select and incorporate these additives in various products. Engineers and scientits involved in polymer processing need practical information about these additives, their applications, and proper and safe handling. Until now much of this information has been difficult to obtain because of commercial secrecy. In recent years, the applications of fluoropolymer additives have expanded significantly, with even the meaning of ‘fluoropolymer additives’ expanding from relatively the narrow definition of PTFE powder fillers to a wide variety of fluoropolymer elastomers, used as a processing aid for plastics processing such as extrusion, injection molding, and film blowing. The benefits of fluoropolymer additives used in plastics are the elimination of sharkskin defects, increases in process speed and output (up to 20%), the reduction of die build up, the reduction of gels and optical defects, etc. In addition, fluropolymer additives are being increasingly used in inks, lubricants, and coatings. For example, in the coating industry fluoropolymer additives can increase the life cycle of exterior coatings due to their excellent weatherability and subsequently increase the time between recoats. Fluoropolymer additives are becoming more widely used with key applications including use as a polymer processing aid (increasing speed and reducing faults) and as an additive to lubricants, inks and coatings. This book is the only practical guide available to the selection and use of fluoropolymer additives, and will help readers to optimize existing fluoropolymer applications and implement new ones Fluoropolymers are known as an area where detailed information is hard to come by. In this book two former DuPont employees provide a wide range of industry sectors with the essential practical information and data they need to realize the full benefits of fluoropolymer additives Written for practicing engineers, Ebnesajjad and Morgan take a highly practical approach to the subject, based on real-world experience and case studies

Handbook of Polymers for Pharmaceutical Technologies, Processing and Applications

Author : Vijay Kumar Thakur
Publisher : John Wiley & Sons
ISBN 13 : 1119041392
Total Pages : 488 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Handbook of Polymers for Pharmaceutical Technologies, Processing and Applications by : Vijay Kumar Thakur

Download or read book Handbook of Polymers for Pharmaceutical Technologies, Processing and Applications written by Vijay Kumar Thakur and published by John Wiley & Sons. This book was released on 2015-08-04 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are one of the most fascinating materials of the present era finding their applications in almost every aspects of life. Polymers are either directly available in nature or are chemically synthesized and used depending upon the targeted applications. Advances in polymer science and the introduction of new polymers have resulted in the significant development of polymers with unique properties. Different kinds of polymers have been and will be one of the key in several applications in many of the advanced pharmaceutical research being carried out over the globe. This 4-partset of books contains precisely referenced chapters, emphasizing different kinds of polymers with basic fundamentals and practicality for application in diverse pharmaceutical technologies. The volumes aim at explaining basics of polymers based materials from different resources and their chemistry along with practical applications which present a future direction in the pharmaceutical industry. Each volume offer deep insight into the subject being treated. Volume 1: Structure and Chemistry Volume 2: Processing and Applications Volume 3: Biodegradable Polymers Volume 4: Bioactive and Compatible Synthetic/Hybrid Polymers

Introduction to Fluoropolymers

Author : Sina Ebnesajjad
Publisher : William Andrew
ISBN 13 : 0128192992
Total Pages : 420 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Introduction to Fluoropolymers by : Sina Ebnesajjad

Download or read book Introduction to Fluoropolymers written by Sina Ebnesajjad and published by William Andrew. This book was released on 2020-12-08 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Fluoropolymers, Second Edition, provides a comprehensive overview of the history, principles, properties, processing and applications of fluoropolymers, supporting their development and utilization in high-performance applications, components, and products. This second edition has been updated and expanded to include new in-depth chapters on manufacturing and applications of PTFE and melt processible fluoropolymers. The book begins by demonstrating the role of fluoropolymers in everyday life, before introducing the history and basic principles of fluoropolymers. This is followed by detailed coverage of the main fluoropolymer types. Properties and applications are illustrated by real-world examples as diverse as waterproof clothing, vascular grafts and coatings for aircraft interiors. The different applications of fluoropolymers show the benefits of a group of materials that are highly water-repellant and flame-retardant, with unrivalled lubrication properties and a high level of biocompatibility. Health and safety and environmental aspects are also covered throughout the book, with a final chapter examining safety, disposal, and recycling in detail. This book is an essential resource for anyone looking to understand or use fluoropolymer materials in their products. This includes engineers, product designers, manufacturers, scientists, researchers, and other professionals, across industries such as automotive, aerospace, medical devices, food and beverages, high performance apparel, oil and gas, renewable energy, solar photovoltaics, electronics and semiconductors, pharmaceuticals, and chemical processing. This is also a valuable introductory guide for academic researchers and advanced students in plastics engineering, polymer science, and materials science. - Introduces and demystifies fluoropolymers for a wide audience of engineers, designers, professionals, and researchers, across industries and disciplines - Covers a broad range of materials, including polytetrafluoroethylene (PTFE), polyvinyl fluoride (PVF), vinylidene fluoride polymers, fluoroelastomers, and more - Focuses on properties, processing methods and advanced industrial applications of fluoropolymers

Polymer Nanoparticles for Nanomedicines

Author : Christine Vauthier
Publisher : Springer
ISBN 13 : 3319414216
Total Pages : 649 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Polymer Nanoparticles for Nanomedicines by : Christine Vauthier

Download or read book Polymer Nanoparticles for Nanomedicines written by Christine Vauthier and published by Springer. This book was released on 2017-01-07 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume serves as a valuable handbook for the development of nanomedicines made of polymer nanoparticles because it provides researchers, students, and entrepreneurs with all the material necessary to begin their own projects in this field. Readers will find protocols to prepare polymer nanoparticles using different methods, since these are based on the variety of experiences that experts encounter in the field. In addition, complex topics such as, the optimal characterization of polymer nanoparticles is discussed, as well as practical guidelines on how to formulate polymer nanoparticles into nanomedicines, and how to modify the properties of nanoparticles to give them the different functionalities required to become an efficient nanomedicine for different clinical applications. The book also discusses the translation of technology from research to practice, considering aspects related to industrialization of preparation and aspects of regulatory and clinical development.

Monitoring Polymerization Reactions

Author : Wayne F. Reed
Publisher : John Wiley & Sons
ISBN 13 : 0470917385
Total Pages : 493 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis Monitoring Polymerization Reactions by : Wayne F. Reed

Download or read book Monitoring Polymerization Reactions written by Wayne F. Reed and published by John Wiley & Sons. This book was released on 2014-01-21 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers new strategies to optimize polymer reactions With contributions from leading macromolecular scientists and engineers, this book provides a practical guide to polymerization monitoring. It enables laboratory researchers to optimize polymer reactions by providing them with a better understanding of the underlying reaction kinetics and mechanisms. Moreover, it opens the door to improved industrial-scale reactions, including enhanced product quality and reduced harmful emissions. Monitoring Polymerization Reactions begins with a review of the basic elements of polymer reactions and their kinetics, including an overview of stimuli-responsive polymers. Next, it explains why certain polymer and reaction characteristics need to be monitored. The book then explores a variety of practical topics, including: Principles and applications of important polymer characterization tools, such as light scattering, gel permeation chromatography, calorimetry, rheology, and spectroscopy Automatic continuous online monitoring of polymerization (ACOMP) reactions, a flexible platform that enables characterization tools to be employed simultaneously during reactions in order to obtain a complete record of multiple reaction features Modeling of polymerization reactions and numerical approaches Applications that optimize the manufacture of industrially important polymers Throughout the book, the authors provide step-by-step strategies for implementation. In addition, ample use of case studies helps readers understand the benefits of various monitoring strategies and approaches, enabling them to choose the best one to match their needs. As new stimuli-responsive and "intelligent" polymers continue to be developed, the ability to monitor reactions will become increasingly important. With this book as their guide, polymer scientists and engineers can take full advantage of the latest monitoring strategies to optimize reactions in both the lab and the manufacturing plant.

Pharmaceutical Drug Product Development and Process Optimization

Author : Sarwar Beg
Publisher : CRC Press
ISBN 13 : 1000731324
Total Pages : 382 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Pharmaceutical Drug Product Development and Process Optimization by : Sarwar Beg

Download or read book Pharmaceutical Drug Product Development and Process Optimization written by Sarwar Beg and published by CRC Press. This book was released on 2020-05-01 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pharmaceutical manufacturers are constantly facing quality crises of drug products, leading to an escalating number of product recalls and rejects. Due to the involvement of multiple factors, the goal of achieving consistent product quality is always a great challenge for pharmaceutical scientists. This volume addresses this challenge by using the Quality by Design (QbD) concept, which was instituted to focus on the systematic development of drug products with predefined objectives to provide enhanced product and process understanding. This volume presents and discusses the vital precepts underlying the efficient, effective, and cost effective development of pharmaceutical drug products. It focuses on the adoption of systematic quality principles of pharmaceutical development, which is imperative in achieving continuous improvement in end-product quality and also leads to reducing cost, time, and effort, while meeting regulatory requirements. The volume covers the important new advances in the development of solid oral dosage forms, modified release oral dosage forms, parenteral dosage forms, semisolid dosage forms, transdermal drug, delivery systems, inhalational dosage forms, ocular drug delivery systems, nanopharmaceutical products, and nanoparticles for oral delivery.