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Development Of A Conformable Heat Sealing Technology For Flexible Plastic Packaging
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Book Synopsis Heat Sealing Technology and Engineering for Packaging by : Kazuo Hishinuma
Download or read book Heat Sealing Technology and Engineering for Packaging written by Kazuo Hishinuma and published by DEStech Publications, Inc. This book was released on 2009 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an introduction to different phases of heat sealing. This book features reliable measuring methods to control heat seal quality, and offers methods for using peel seal and tear seal.
Book Synopsis Heat Sealing in Packaging by : Abdellah Ajji
Download or read book Heat Sealing in Packaging written by Abdellah Ajji and published by Walter de Gruyter GmbH & Co KG. This book was released on 2023-05-22 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explains concept and principle of heat sealing and the correlation between molecular properties and seal performance. First, theoretical aspects of heat sealing and the mechanism involved in seal formation are discussed. Then different test methods for evaluating seal and hot tack performance and quality are reviewed. Different common sealant materials in fl exible packaging are discussed including multiphase and bioplastic sealants. Effect of processing condition and material characteristics on seal and hot tack performance of sealant materials are reviewed. Mathematical models are presented as powerful tools to optimize sealing condition in order to balance production cost and seal properties. Finally, practical examples of sealant design are introduced in food and industrial packaging.
Book Synopsis Development of a Conformable Heat-sealing Technology for Flexible Plastic Packaging by : Nathaniel Flint Colvin
Download or read book Development of a Conformable Heat-sealing Technology for Flexible Plastic Packaging written by Nathaniel Flint Colvin and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the consumer packaging industry, sealing is a crucial step for creating an airtight product unit for both flexible and semi-rigid packaging. Currently, rigid hot tool sealing is the most widely adapted sealing technology. Rigid hot tool sealing has many benefits, including fast seal times, good tool durability, and process simplicity. However, creating a continuous seal with rigid hot tool sealing is extremely sensitive to tool surface quality, parallelism, variations in material thickness, and film thickness transitions. In flexible packaging, the number of films in the thickness direction may vary based on location, depending on package layup. When a rigid hot tool is used to seal over film thickness transitions, high seal pressures must be utilized to produce intimate tool contact with the thinner film region(s). Even with high forces, thickness transitions are common locations for seal leaks. Additionally, excessive squeeze-out due to high pressure may occur, which can degrade the seal’s mechanical properties. In the first phase of this work, various compliant technologies were evaluated theoretically and or experimentally. Using a decision analysis approach, the various complaint sealing methods were scored and ranked. Conformable resistive sealing was chosen for further exploration. Conformable resistive sealing relies on a constant temperature, flexible heating element backed by a compliant elastomer. Various flexible heating elements were analyzed for enhanced conformability. A thin metal ribbon, and a thin perforated metal ribbon demonstrated the best potential for a conformable heating element. In addition, FEA modeling was conducted to model temperature variation in non-linear geometries of resistive heating elements. Conformance testing was conducted to compare the necessary seal pressures for sealing over a 4 film to 8 film thickness transition for rigid hot tool sealing (rigid tool/conformable anvil and rigid tool/rigid anvil combinations) and conformable resistive sealing (conformable tool/conformable anvil, conformable tool, rigid anvil). For rigid hot tool sealing with a rigid anvil, high pressure (2.27 MPa) was required to create a continuous seal. For rigid hot tool sealing with a conformable anvil, a seal pressure as low as 1.02 MPa could create a continuous seal. However, due to equipment limitations, lower seal pressures were unable to be tested. Due to the same equipment limitations and larger seal area, the lowest pressure that could be used for conformable resistive sealing was 0.64 MPa, which was sufficient to produce continuous and leak free seals with and without a conformable anvil. Thickness measurements before and after sealing showed that for the rigid hot tool with rigid anvil, seals made with 2.27 MPa of seal pressure had an average thickness reduction of 47% in the 8-film region. On the other hand, for the conformable resistive sealing with a conformable anvil, the average thickness reduction in the 8-film region was just 6.9%. Complex shaped resistive heating elements were fabricated to assess temperature variations with infrared (IR) camera imaging. The analysis agreed with the FEA modeling that geometry and heating timescale play a large part in resistive heating element temperature variation. In practice, careful design choices and mitigation techniques must be taken to avoid extreme temperature variation. Durability testing was performed by colliding an aluminum tool against perforated stainless-steel and stainless-steel resistive heating elements at room temperature with 0.72 MPa of pressure. The perforated stainless-steel heating element was tested with 140,000 cycle and the stainless-steel element was tested with 380,000 cycles. Both heating elements remained undamaged at the end of durability testing.
Book Synopsis Packaging Closures and Sealing Systems by : Nigel Theobald
Download or read book Packaging Closures and Sealing Systems written by Nigel Theobald and published by John Wiley & Sons. This book was released on 2009-02-11 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The packaging closure is the primary interface between the product and the customer. Closures have undergone much evolution and development in recent years. The basic function of a closure is to allow easy access to a packaged product and to reclose the package, when the contents are not used fully in a single serve. However, closures are now expected to deliver a wide variety of additional functions, such as ensuring that the package has not been opened prior to the first opening by the consumer, facilitating the dispensing of the product (especially for food and pharmaceuticals) and supporting the brand equity value of the product. This volume considers the technologies relevant to packaging closures and sealing systems, structured by types of pack. It is directed at packaging technologists, those involved in the design and development of packaging and those who specify or purchase packaging.
Book Synopsis Development and Manufacture of Pressure-Sensitive Products by : Istvan Benedek
Download or read book Development and Manufacture of Pressure-Sensitive Products written by Istvan Benedek and published by CRC Press. This book was released on 1998-09-29 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers a detailed analysis of pressure-sensitive products (PSPs), covering both the scientific principles underlying their manufacture and a variety of applications in electronics, medicine, and packaging. Compares the manufacture of PSPs using plastics processing and adhesive coating techniques."
Book Synopsis Seals and Sealing Handbook by : Ronald Horace Warring
Download or read book Seals and Sealing Handbook written by Ronald Horace Warring and published by . This book was released on 1981 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seals and Sealing Handbook by : Robert K. Flitney
Download or read book Seals and Sealing Handbook written by Robert K. Flitney and published by Elsevier. This book was released on 2014-06-13 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seals and Sealing Handbook, Sixth Edition provides comprehensive coverage of sealing technology, bringing together information on all aspects of this area to enable you to make the right sealing choice. This includes detailed coverage on the seals applicable to static, rotary and reciprocating applications, the best materials to use in your sealing systems, and the legislature and regulations that may impact your sealing choices.Updated in line with current trends this updated reference provides the theory necessary for you to select the most appropriate seals for the job and with its 'Failure Guide', the factors to consider should anything go wrong. Building on the practical, stepped approach of its predecessor, Seals and Sealing Handbook, 6th Edition remains an essential reference for any engineer or designer who uses seals in their work. A comprehensive reference covering a broad range of seal types for all situations, to ensure that you are able to select the most appropriate seal for any given task Includes supporting case studies and a unique 'Failure Guide' to help you troubleshoot if things go wrong New edition includes the most up-to-date information on sealing technology, making it an essential reference for anyone who uses seals in their work
Book Synopsis Thomas Register of American Manufacturers by :
Download or read book Thomas Register of American Manufacturers written by and published by . This book was released on 2002 with total page 1942 pages. Available in PDF, EPUB and Kindle. Book excerpt: This basic source for identification of U.S. manufacturers is arranged by product in a large multi-volume set. Includes: Products & services, Company profiles and Catalog file.
Book Synopsis A Century of Innovation by : 3M Company
Download or read book A Century of Innovation written by 3M Company and published by 3m Company. This book was released on 2002 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of 3M voices, memories, facts and experiences from the company's first 100 years.
Book Synopsis Thomas Register of American Manufacturers and Thomas Register Catalog File by :
Download or read book Thomas Register of American Manufacturers and Thomas Register Catalog File written by and published by . This book was released on 2002 with total page 2186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1970-71 includes manufacturers' catalogs.
Book Synopsis Applications of Pressure-Sensitive Products by : Istvan Benedek
Download or read book Applications of Pressure-Sensitive Products written by Istvan Benedek and published by CRC Press. This book was released on 2008-10-28 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting the end-use and application technologies of pressure-sensitive adhesives and products, Volume Three of the Handbook of Pressure-Sensitive Adhesives and Products discusses the build up and classes
Book Synopsis Pressure-Sensitive Design, Theoretical Aspects by : Istvan Benedek
Download or read book Pressure-Sensitive Design, Theoretical Aspects written by Istvan Benedek and published by CRC Press. This book was released on 2006-03-01 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Growing interest in the formulation of pressure-sensitive adhesives as described in the first edition of this book ( Pressure-Sensitive Formulation, VSP, 2000) required a new, enlarged edition including the design of pressure-sensitive adhesives as a separate volume. Developments in the understanding of pressure sensitivity were necessary to use ma
Book Synopsis Advanced Materials for Thermal Management of Electronic Packaging by : Xingcun Colin Tong
Download or read book Advanced Materials for Thermal Management of Electronic Packaging written by Xingcun Colin Tong and published by Springer Science & Business Media. This book was released on 2011-01-05 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for advanced thermal management materials in electronic packaging has been widely recognized as thermal challenges become barriers to the electronic industry’s ability to provide continued improvements in device and system performance. With increased performance requirements for smaller, more capable, and more efficient electronic power devices, systems ranging from active electronically scanned radar arrays to web servers all require components that can dissipate heat efficiently. This requires that the materials have high capability of dissipating heat and maintaining compatibility with the die and electronic packaging. In response to critical needs, there have been revolutionary advances in thermal management materials and technologies for active and passive cooling that promise integrable and cost-effective thermal management solutions. This book meets the need for a comprehensive approach to advanced thermal management in electronic packaging, with coverage of the fundamentals of heat transfer, component design guidelines, materials selection and assessment, air, liquid, and thermoelectric cooling, characterization techniques and methodology, processing and manufacturing technology, balance between cost and performance, and application niches. The final chapter presents a roadmap and future perspective on developments in advanced thermal management materials for electronic packaging.
Download or read book Thomas Register written by and published by . This book was released on 2004 with total page 2038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Pressure-Sensitive Adhesives and Products by : Istvan Benedek
Download or read book Handbook of Pressure-Sensitive Adhesives and Products written by Istvan Benedek and published by CRC Press. This book was released on 2019-07-05 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Divided into three sections that are also available as individual volumes, this is the first reference to offer a complete guide to the fundamentals, manufacturing, and applications of pressure-sensitive adhesives and products. An indispensable source of state-of-the-art information, this handbook covers the design for pressure-sensitive adhesives and products, the manufacture technology and equipment for such products, including their testing and application, and the theory and practice that correlate with the main domains of product development. Topically organized, it presents a comprehensive list of terms and definitions and offers a cross-disciplinary look at pressure-sensitive adhesives, spanning such areas as physics, surface chemistry, electronic materials, automotive engineering, packaging, and the biomedical, tape, and label industries. For more complete information on each volume visit www.crcpress.com or go directly to the webpage: Volume 1: Fundamentals of Pressure Sensitivity Volume 2: Technology of Pressure-Sensitive Adhesives and Products Volume 3: Applications of Pressure-Sensitive Products
Book Synopsis Adhesives and Adhesive Joints in Industry Applications by : Anna Rudawska
Download or read book Adhesives and Adhesive Joints in Industry Applications written by Anna Rudawska and published by BoD – Books on Demand. This book was released on 2019-10-23 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses applications of adhesives and adhesive joints in different branches of industry. The properties of adhesives and adhesive joints, and also the requirements of mechanical properties and chemical and environmental resistance of adhesives and adhesive joints, are very important because proper strength, durability, and time of use are all factors that are dependent on the type of industry. The aim of this book is to present information on the type of adhesives and adhesive joints, in addition to their characteristics, used in different branches of industry. This information should enable scientists, engineers, and designers to acquire knowledge of adhesives and adhesive joints, which could be helpful in selecting the right type of adhesive and adhesive joint to make applications for a particular industry.
Book Synopsis Holographic Sensors by : Ali Kemal Yetisen
Download or read book Holographic Sensors written by Ali Kemal Yetisen and published by Springer. This book was released on 2014-12-03 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a theoretical and experimental approach for the rapid fabrication, optimization and testing of holographic sensors for the quantification of pH, organic solvents, metal cations, and glucose in solutions. Developing non-invasive and reusable diagnostics sensors that can be easily manufactured will support the monitoring of high-risk individuals in any clinical or point-of-care setting. Sensor fabrication approaches outlined include silver-halide chemistry, laser ablation and photopolymerization. The sensors employ off-axis Bragg diffraction gratings of ordered silver nanoparticles and localized refractive index changes in poly (2-hydroxyethyl methacrylate) and polyacrylamide films. The sensors exhibited reversible Bragg peak shifts, and diffracted the spectrum of narrow-band light over the wavelength range λpeak ≈ 495-1100 nm. Clinical trials of glucose sensors in the urine samples of diabetic patients demonstrated that they offer superior performance compared to commercial high-throughput urinalysis devices. Lastly, a generic smartphone application to quantify colorimetric tests was developed and tested for both Android and iOS operating systems. The sensing platform and smartphone application may have implications for the development of low-cost, reusable and equipment-free point-of-care diagnostic devices.
