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Fingerprint - PE - The Dow Chemical Company
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Kunststoffe international, 2005-11-21, Characteristic-value functions: The Mechanical Fingerprint
Characteristic-value functions: The Mechanical Fingerprint The mechanical properties of plastics are conditioned by a large number of influencing variables, and the property profile of an individual plastic, as a function of temperature, time and media influence for example, is almost as complex and unique as a human fingerprint. Ernst Schmachtenberg, Oliver Schröder, Kai Kuhlmann To ensure that efficient product designs are achieved in plastics engineering, it is essential to have recours...
Kunststoffe international, 2005-11-21, Efficiently Packaged Mineral Water
...rude oil. It is also possible to identify critical contributions in the context of a weak-point analysis. After the data for the various environmental categories have been determined, the position of each alternative system is plotted in the ecology fingerprint (Fig. 4). The worst alternative in each category is assigned the value 1 and is thus to be found at the outermost end of the fingerprint scale; the others are arranged relative to this value. Differences in the ecological evaluation of ea...
Kunststoffe international, 2005-11-21, Laser-sintering Technology: Series Production in Miniature
...nics. The latest generation of digital in-the-ear hearing aids simply do not offer any more space. At the same time, the anatomy of the human auditory canal is not a uniform hollow shape but differs from one person to the next in the same way as a fingerprint. This, in turn, makes it necessary to employ innovative forming processes when producing the hearing aid shells. One such process is the EOS laser-sintering process, which is currently a fixed element in Phonak’s computer-aided process chai...
Kunststoffe international, 2005-11-21, Life Cycle Costing: Making Sustainability of Plastics Measurable
...ses, expert assessments and statistics. These two categories are otherwise not usually taken into account in life cycle assessment, although they are very important indeed for a comprehensive sustainability assessment. In the ecological fingerprint (Fig.3), ecological advantages and disadvantages are shown in the six main categories for all the examined alternatives relative to each other. The alternative that is furthest out, value 1, is the most unfavourable alternative in the relevant catego...
Kunststoffe international, 2005-11-21, Qualification of Polyurethane Foams
...he advent of ultrasonic fan sensors. They feature integrated temperature sensors for speed-of-sound compensation and may be employed for all types of foams, including rigid foams that release large amounts of heat. The rise profile is the foam's fingerprint. During quality assurance testing, it is compared with given master curves. A master curve is a band showing the tolerances for the rise profile of a "good" foam sample. Master curves are compiled by quality managers from a host o...
Kunststoffe international, 2005-11-21, The Hot Line to the Mould
...ns, high material costs and long machine occupation. One way out is optimisation based on cavity pressure. With this method, once the part has been optimised, the cavity pressure profile is stored. When the mould is set again, this fingerprint serves as the reference curve. The process is optimised so that the cavity pressure curve corresponds to the reference curve. This optimisation process leads explicitly to an identical process, and therefore identical part quality. Another important advant...
Kunststoffe international, 2005-11-21, Tracing the Cost Factors
...ned and assessed financially in the form of possible unit cost reductions. Thermal Analysis with a Thermal Imaging Camera Analysis of the thermal balance plays an important role in this. A thermal imaging camera (Fig.4) is used to take the thermal fingerprint of the part, which mainly gives information about the state of mould cooling (Fig.5). However, it is not enough just to meet thermal requirements. The rheological conditions are therefore also precisely analysed. Only when the two basic c...
Kunststoffe international, 2007-12-17, Throughput Counts
...r alia, the production of a 5-layered barrier film having a die factor of up to 2.2 was demonstrated. As another special feature of the Reifenhäuser blown film plants Heimann pointed out in conclusion that they leave a kind of "fingerprint" behind in the film produced. With the aid of this marker producing companies can check in the event of a complaint whether the film subject to complaint was actually produced on the installation in question. The five-layer unit (Fig. 4) exhibited by D...
Kunststoffe international, 2008-01-15, More Complexity, Speed, and Intelligence
...ntly stable filling conditions in all cavities, with highly consistent parts as a result. As measurement value, the control system uses the time-dependent curve of the internal mold pressure, which Kistler describes as the "fingerprint" of the molding procedure. It is also the decisive parameter for assessing process control and component quality. In fact, it is the precise measurement of the entire injection and compression phase by means of the actual cavity pressure that is essential ...
Kunststoffe international, 2008-04-14, No Chance for Product Pirates
...equence built up in multiple colors and layers that allows the product to be unambiguously identified. A special sequence from a total of more than 37 million available codes is produced for each customer or application resulting in an unmistakable fingerprint. Authentication composites can be designed for a wide range of thermoplastic polymers. In production highly concentrated masterbatches are used which are dosed in an exact let down ratio on an injection molding machine. Pilot Project for ...
Kunststoffe international, 2008-06-16, From Vision to Technical Reality
...-called active matrix backplanes control individual pixels. The pixels can be switched on and off more rapidly and the technology is highly energy efficient. Organic transistors can also be used for sensors and security applications, e.g. biometric fingerprint identification. The opening of the world's first plant for the production of printed sensors based on organic semiconductors by Nanoident AG, Linz, Austria, in the spring of 2007 shows that organic electronics are currently graduating ...
Kunststoffe international, 2008-09-23, Nanostructures Reveal Pirate Copies
... in a direct comparison of the product before and after modification (Fig. 4). An even higher security level can be obtained by combining visible and invisible features. For example, the invisible security features can serve as an individual fingerprint, and can only be detected with the manufacturer’s proprietary know-how and the associated reading devices. In this way, makers of branded products can effectively ward off unjustified guarantee claims due to faulty copies. Developm...
Kunststoffe international, 2009-10-14, A Fascinating Foray
...all costs. Improved Sensors For over thirty years, the cavity pressure has proved to be the most important parameter for making the crucial process conditions transparent and linking control measures. Though it is known as a fingerprint of the injection molding pressure, this situation is contrasted by the fact that relatively few molds – experts estimate 5 % at most – are equipped with measurement sensors [4]. That may also lie in the problems caused by the sensitive cables if they have to be r...
Kunststoffe international, 2010-07-22, Counterfeit-Proofing Based on the Principle of Randomness
...ment price thus works out at around 0.1 cents/kg film. Counterfeit-proofing Packaging In addition to this recognizability method for films, a means of protecting products inexpensively and straightforwardly is to be created on the basis of a fingerprint. The following method has been specified to this end [4]: the desired pigments are distributed on a random basis in the formulation, with one to five pigments within a square centimeter. The pigments are excited through the appropriate light conf...
Kunststoffe international, 2010-09-24, Material of the Future
...es for toothbrushes. The range of exhibits also includes a microinjection molding machine with a two-stage plastication. The preplasticated material is guided by an 8-mm screw for accurate metering. Hall 13, booth A13 Wittmann Battenfeld A Thermal Fingerprint In cooperation with the SKZ, Würzburg, Germany, Wittmann Battenfeld GmbH, Kottingbrunn, Austria, presents an application with integrated inline thermography. After the removal, a robot holds the molded part, an ABS module, in front of an in...
Kunststoffe international, 2010-11-25, Wishful Thinking or Reality?
...rk in the development phase. For Dominik Cordes, who works in Application Development at Kistler Instrumente AG, Winterthur, Switzerland, mold cavity pressure is the main criterion for assessing the quality of the molded component. This so-called fingerprint of the injection molding process is therefore the crucial process variable for balancing. This principle is reversed with the MultiFlow function, which synchronizes pressure profiles through individual control of hot-runner tip temperatures....
Kunststoffe international, 2012-04-20, When the Color Doesn’t Match
...-ray fluorescence spectroscopy (coefficient of determination R2 for Sb = 0.994, Fe = 0.996, Cr = 0.843, Ti = 0.954) Fig. 3. Depending on the masterbatch dosage the color of the automobile parts changes Fig. 4. Part of the XRF spectrum in the K line fingerprint area for the elements Ti, Fe and Cr Fig. 5. Mobile use of the XL3T x-ray fluorescence spectrometer Fig. 6. Use of the XL3T x-ray fluorescence spectrometer with a sample chamber and PC connection THE AUTHOR DR. FRANK CLAUSSEN, born in 1959,...
Kunststoffe international, 2013-02-22, Small Energy Director – Large Effect
...s a graph. After analysis of the graph, the process is further optimized by defining tight process windows with minimum and maximum values. The curve of the joining velocity, in particular, is important; it is a unique “fingerprint” and should ideally have a constant linear gradient, because under normal circumstances a constant joining velocity guarantees a stable welding process with reproducible weld strength (Fig. 3). Biotechnology Demands Production Logbook Important for Greiner Bio-One for...
Kunststoffe international, 2015-02-28, Heating of Intermediates – How and with What?
... are ceramic radiators, quartz radiators and "bright radiators" with different wavelength spectra of the emitted infrared radiation. Every plastic absorbs IR radiation at different wavelengths (Fig. 2). Their absorption behavior is as unique as a fingerprint; this means that the slightest changes in the thickness, color or additives in the masterbatch used also change the absorption behavior of the plastic. The emitted wavelength of an infrared radiator thus has a great influence on the heating ...
Kunststoffe international, 2015-07-20, Quality Rarely Comes Alone
...ozzles are open. Apart from that, measurement of the melt pressure naturally does not allow analysis of the melt flow in multi-cavity molds or with large parts with multiple gates. A mistake with much more far reaching consequences is that of the "fingerprint." Since the nineties, it has been repeatedly suggested that the process is OK as long as the cavity pressure profile – in the manner of a fingerprint – agrees with certain reference values. In practice, this theory is often reduced to the c...
Kunststoffe international, 2016-05-18, Three-Dimensional Control Panels with Film Technology
...is additionally coated with a transparent conformal coating (e. g., hard coat) or a transparent plastic (e. g. a thermoplastic or PU). This increases the resistance of the surface to external influences (mechanical or chemical resistance, anti-fingerprint). Matt and glossy to high-gloss surfaces can be produced with the process.From Local Control Panel to Large-Area Device Skin – Anything Is PossibleTouchskin technology opens up the possibility of integrating switch or slider functions directly ...
Kunststoffe international, 2017-05-22, More than Hot Air
... on the surface of the specimen as accurately as possible. The specimens were analyzed using instruments of the company Physical Electronics in Ismaning, Germany (PHI TRIFT II and Anasys nanoIR20). High-resolution images deliver a precise "fingerprint" of the polymer surface and react with great sensitivity to any change caused by intentional or unintentional treatment.ServiceReferences & Digital VersionYou can find the list of references and a PDF file of the article at www.kunststoffe-intern...
Kunststoffe international, 2018-09-19, Plastics for the Mobility of Tomorrow
...ing SurfacesGlossy interior surfaces such as the very popular piano black, are the pride of every new-car owner. Unfortunately, they often don’t last very long. Glossy black surfaces often are dust magnets and make the slightest fingerprint visible. This provokes very frequent cleaning, even with unsuitable means. Thus, the search has been long for a way to ameliorate this.Previously, the solution was to make the surface ever harder in order to increase scratch resistance. PMMA is known to be th...
eMagazine "Journal of Plastics Technology", 2016-09-01, Developing a roadmap of the modified PTFEs - characterization of a high-performance material
In the present work, for the first time non-, low- and high-modified PTFE-materials were analyzed in terms of chemical and physical properties to set up a detailed fingerprint of each material. Based on these fingerprints, it is possible to completely define a PTFE roadmap. The basic properties of each material, the chemical composition and the polymer structures are used to define its position on the map. It is also shown how by well-balancing molecular weight and modifier content the property ...
Characteristic-value functions: The Mechanical Fingerprint The mechanical properties of plastics are conditioned by a large number of influencing variables, and the property profile of an individual plastic, as a function of temperature, time and media influence for example, is almost as complex and unique as a human fingerprint. Ernst Schmachtenberg, Oliver Schröder, Kai Kuhlmann To ensure that efficient product designs are achieved in plastics engineering, it is essential to have recours...
Kunststoffe international, 2005-11-21, Efficiently Packaged Mineral Water
...rude oil. It is also possible to identify critical contributions in the context of a weak-point analysis. After the data for the various environmental categories have been determined, the position of each alternative system is plotted in the ecology fingerprint (Fig. 4). The worst alternative in each category is assigned the value 1 and is thus to be found at the outermost end of the fingerprint scale; the others are arranged relative to this value. Differences in the ecological evaluation of ea...
Kunststoffe international, 2005-11-21, Laser-sintering Technology: Series Production in Miniature
...nics. The latest generation of digital in-the-ear hearing aids simply do not offer any more space. At the same time, the anatomy of the human auditory canal is not a uniform hollow shape but differs from one person to the next in the same way as a fingerprint. This, in turn, makes it necessary to employ innovative forming processes when producing the hearing aid shells. One such process is the EOS laser-sintering process, which is currently a fixed element in Phonak’s computer-aided process chai...
Kunststoffe international, 2005-11-21, Life Cycle Costing: Making Sustainability of Plastics Measurable
...ses, expert assessments and statistics. These two categories are otherwise not usually taken into account in life cycle assessment, although they are very important indeed for a comprehensive sustainability assessment. In the ecological fingerprint (Fig.3), ecological advantages and disadvantages are shown in the six main categories for all the examined alternatives relative to each other. The alternative that is furthest out, value 1, is the most unfavourable alternative in the relevant catego...
Kunststoffe international, 2005-11-21, Qualification of Polyurethane Foams
...he advent of ultrasonic fan sensors. They feature integrated temperature sensors for speed-of-sound compensation and may be employed for all types of foams, including rigid foams that release large amounts of heat. The rise profile is the foam's fingerprint. During quality assurance testing, it is compared with given master curves. A master curve is a band showing the tolerances for the rise profile of a "good" foam sample. Master curves are compiled by quality managers from a host o...
Kunststoffe international, 2005-11-21, The Hot Line to the Mould
...ns, high material costs and long machine occupation. One way out is optimisation based on cavity pressure. With this method, once the part has been optimised, the cavity pressure profile is stored. When the mould is set again, this fingerprint serves as the reference curve. The process is optimised so that the cavity pressure curve corresponds to the reference curve. This optimisation process leads explicitly to an identical process, and therefore identical part quality. Another important advant...
Kunststoffe international, 2005-11-21, Tracing the Cost Factors
...ned and assessed financially in the form of possible unit cost reductions. Thermal Analysis with a Thermal Imaging Camera Analysis of the thermal balance plays an important role in this. A thermal imaging camera (Fig.4) is used to take the thermal fingerprint of the part, which mainly gives information about the state of mould cooling (Fig.5). However, it is not enough just to meet thermal requirements. The rheological conditions are therefore also precisely analysed. Only when the two basic c...
Kunststoffe international, 2007-12-17, Throughput Counts
...r alia, the production of a 5-layered barrier film having a die factor of up to 2.2 was demonstrated. As another special feature of the Reifenhäuser blown film plants Heimann pointed out in conclusion that they leave a kind of "fingerprint" behind in the film produced. With the aid of this marker producing companies can check in the event of a complaint whether the film subject to complaint was actually produced on the installation in question. The five-layer unit (Fig. 4) exhibited by D...
Kunststoffe international, 2008-01-15, More Complexity, Speed, and Intelligence
...ntly stable filling conditions in all cavities, with highly consistent parts as a result. As measurement value, the control system uses the time-dependent curve of the internal mold pressure, which Kistler describes as the "fingerprint" of the molding procedure. It is also the decisive parameter for assessing process control and component quality. In fact, it is the precise measurement of the entire injection and compression phase by means of the actual cavity pressure that is essential ...
Kunststoffe international, 2008-04-14, No Chance for Product Pirates
...equence built up in multiple colors and layers that allows the product to be unambiguously identified. A special sequence from a total of more than 37 million available codes is produced for each customer or application resulting in an unmistakable fingerprint. Authentication composites can be designed for a wide range of thermoplastic polymers. In production highly concentrated masterbatches are used which are dosed in an exact let down ratio on an injection molding machine. Pilot Project for ...
Kunststoffe international, 2008-06-16, From Vision to Technical Reality
...-called active matrix backplanes control individual pixels. The pixels can be switched on and off more rapidly and the technology is highly energy efficient. Organic transistors can also be used for sensors and security applications, e.g. biometric fingerprint identification. The opening of the world's first plant for the production of printed sensors based on organic semiconductors by Nanoident AG, Linz, Austria, in the spring of 2007 shows that organic electronics are currently graduating ...
Kunststoffe international, 2008-09-23, Nanostructures Reveal Pirate Copies
... in a direct comparison of the product before and after modification (Fig. 4). An even higher security level can be obtained by combining visible and invisible features. For example, the invisible security features can serve as an individual fingerprint, and can only be detected with the manufacturer’s proprietary know-how and the associated reading devices. In this way, makers of branded products can effectively ward off unjustified guarantee claims due to faulty copies. Developm...
Kunststoffe international, 2009-10-14, A Fascinating Foray
...all costs. Improved Sensors For over thirty years, the cavity pressure has proved to be the most important parameter for making the crucial process conditions transparent and linking control measures. Though it is known as a fingerprint of the injection molding pressure, this situation is contrasted by the fact that relatively few molds – experts estimate 5 % at most – are equipped with measurement sensors [4]. That may also lie in the problems caused by the sensitive cables if they have to be r...
Kunststoffe international, 2010-07-22, Counterfeit-Proofing Based on the Principle of Randomness
...ment price thus works out at around 0.1 cents/kg film. Counterfeit-proofing Packaging In addition to this recognizability method for films, a means of protecting products inexpensively and straightforwardly is to be created on the basis of a fingerprint. The following method has been specified to this end [4]: the desired pigments are distributed on a random basis in the formulation, with one to five pigments within a square centimeter. The pigments are excited through the appropriate light conf...
Kunststoffe international, 2010-09-24, Material of the Future
...es for toothbrushes. The range of exhibits also includes a microinjection molding machine with a two-stage plastication. The preplasticated material is guided by an 8-mm screw for accurate metering. Hall 13, booth A13 Wittmann Battenfeld A Thermal Fingerprint In cooperation with the SKZ, Würzburg, Germany, Wittmann Battenfeld GmbH, Kottingbrunn, Austria, presents an application with integrated inline thermography. After the removal, a robot holds the molded part, an ABS module, in front of an in...
Kunststoffe international, 2010-11-25, Wishful Thinking or Reality?
...rk in the development phase. For Dominik Cordes, who works in Application Development at Kistler Instrumente AG, Winterthur, Switzerland, mold cavity pressure is the main criterion for assessing the quality of the molded component. This so-called fingerprint of the injection molding process is therefore the crucial process variable for balancing. This principle is reversed with the MultiFlow function, which synchronizes pressure profiles through individual control of hot-runner tip temperatures....
Kunststoffe international, 2012-04-20, When the Color Doesn’t Match
...-ray fluorescence spectroscopy (coefficient of determination R2 for Sb = 0.994, Fe = 0.996, Cr = 0.843, Ti = 0.954) Fig. 3. Depending on the masterbatch dosage the color of the automobile parts changes Fig. 4. Part of the XRF spectrum in the K line fingerprint area for the elements Ti, Fe and Cr Fig. 5. Mobile use of the XL3T x-ray fluorescence spectrometer Fig. 6. Use of the XL3T x-ray fluorescence spectrometer with a sample chamber and PC connection THE AUTHOR DR. FRANK CLAUSSEN, born in 1959,...
Kunststoffe international, 2013-02-22, Small Energy Director – Large Effect
...s a graph. After analysis of the graph, the process is further optimized by defining tight process windows with minimum and maximum values. The curve of the joining velocity, in particular, is important; it is a unique “fingerprint” and should ideally have a constant linear gradient, because under normal circumstances a constant joining velocity guarantees a stable welding process with reproducible weld strength (Fig. 3). Biotechnology Demands Production Logbook Important for Greiner Bio-One for...
Kunststoffe international, 2015-02-28, Heating of Intermediates – How and with What?
... are ceramic radiators, quartz radiators and "bright radiators" with different wavelength spectra of the emitted infrared radiation. Every plastic absorbs IR radiation at different wavelengths (Fig. 2). Their absorption behavior is as unique as a fingerprint; this means that the slightest changes in the thickness, color or additives in the masterbatch used also change the absorption behavior of the plastic. The emitted wavelength of an infrared radiator thus has a great influence on the heating ...
Kunststoffe international, 2015-07-20, Quality Rarely Comes Alone
...ozzles are open. Apart from that, measurement of the melt pressure naturally does not allow analysis of the melt flow in multi-cavity molds or with large parts with multiple gates. A mistake with much more far reaching consequences is that of the "fingerprint." Since the nineties, it has been repeatedly suggested that the process is OK as long as the cavity pressure profile – in the manner of a fingerprint – agrees with certain reference values. In practice, this theory is often reduced to the c...
Kunststoffe international, 2016-05-18, Three-Dimensional Control Panels with Film Technology
...is additionally coated with a transparent conformal coating (e. g., hard coat) or a transparent plastic (e. g. a thermoplastic or PU). This increases the resistance of the surface to external influences (mechanical or chemical resistance, anti-fingerprint). Matt and glossy to high-gloss surfaces can be produced with the process.From Local Control Panel to Large-Area Device Skin – Anything Is PossibleTouchskin technology opens up the possibility of integrating switch or slider functions directly ...
Kunststoffe international, 2017-05-22, More than Hot Air
... on the surface of the specimen as accurately as possible. The specimens were analyzed using instruments of the company Physical Electronics in Ismaning, Germany (PHI TRIFT II and Anasys nanoIR20). High-resolution images deliver a precise "fingerprint" of the polymer surface and react with great sensitivity to any change caused by intentional or unintentional treatment.ServiceReferences & Digital VersionYou can find the list of references and a PDF file of the article at www.kunststoffe-intern...
Kunststoffe international, 2018-09-19, Plastics for the Mobility of Tomorrow
...ing SurfacesGlossy interior surfaces such as the very popular piano black, are the pride of every new-car owner. Unfortunately, they often don’t last very long. Glossy black surfaces often are dust magnets and make the slightest fingerprint visible. This provokes very frequent cleaning, even with unsuitable means. Thus, the search has been long for a way to ameliorate this.Previously, the solution was to make the surface ever harder in order to increase scratch resistance. PMMA is known to be th...
eMagazine "Journal of Plastics Technology", 2016-09-01, Developing a roadmap of the modified PTFEs - characterization of a high-performance material
In the present work, for the first time non-, low- and high-modified PTFE-materials were analyzed in terms of chemical and physical properties to set up a detailed fingerprint of each material. Based on these fingerprints, it is possible to completely define a PTFE roadmap. The basic properties of each material, the chemical composition and the polymer structures are used to define its position on the map. It is also shown how by well-balancing molecular weight and modifier content the property ...
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