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Sk-lit - PVC - Schmidt Kunststoff GmbH
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Kunststoffe international, 2005-11-21, Attractive and Robust
Attractive and Robust Protective and Decorative Films based on Polyamides Michael Beyer and Jörg Lohmar, Marl/Germany Films in semi-crystalline polyamide 12 are noted for their high transparency and scratch resistance. With classical or modern designs printed on them, they provide highly-stressed sports articles, such as snowboards or skis, with protection and with an attractive appearance. A large number of new processes have been developed over the past few decades for surface decorati...
Kunststoffe international, 2005-11-21, Laminating PVC Window Profiles without Solvents
Laminating PVC Window Profiles without Solvents High-quality Bonding by Precleaning and Flame Treatment Jörg Gehrke and Horst Kleinert, Dresden/Germany, Horst Hoffmann, Bopfingen/Germany A completely new, solventless method has been developed for the production of film-laminated PVC window profiles, which is based on the combined use of a biodegradable alkaline cleaning agent and flame treatment. In Germany, around 1 million tonnes of unplasticised PVC are processed every year. Some 20 %...
Kunststoffe international, 2005-11-21, Planning Future Scenarios: Automotive Applications in the Distant Future
Planning Future Scenarios: Automotive Applications in the Distant Future It’s a long journey from polymer granules to automotive parts. It’s an even longer one for those whose job it is to envisage where plastics will be used in the cars of the future and which market trends providers of raw materials should follow. This is precisely the task of Bayer Polymers’ Creative Center, which has just launched its latest development for the cars of the future, called smart surface technology. Martin ...
Kunststoffe international, 2005-11-21, Portait: Pointers to the Future
Portait: Pointers to the Future Last year, the company A. Maier Präzision GmbH celebrated its 150th anniversary. The company enjoys a world-wide reputation: headquartered in the Black Forest town of St. Georgen, it specialises in the production of sophisticated hi-tech components and miniature parts. Its key production focus is on pointers for application in a wide range of areas, primarily the automotive sector. So, what is so special about pointers? Well, what looks at first sight like a t...
Kunststoffe international, 2006-05-24, Process Development: Versatile Ultrasound
Injection Moulding. Versatile Ultrasound. Process Development. Plastic melts absorb ultrasonic energy, and this increases their temperature and flowability. This effect is exploited to improve on the filling of constricted cavities and the reproduction of fine structures as well as to increase the strength of the bond seam in two-component injection moulding. Ultrasonic vibration is used to eject small parts without them suffering any damage. Peter Bloss et al. Ultrasound (US) is a versatile...
Kunststoffe international, 2008-01-15, Bringing Measurement to Optical Effects
Bringing Measurement to Optical Effects Color Measurement (Trade Fair Report K 2007) The range of requirements is expanding. Automobile manufacturers and their suppliers have to reliably determine both color and surface effects. Capturing light dependent effects, gloss as well as the colormetric behavior of translucent objects is becoming more important. In some extrusion applications color measurement is already part of the quality control and is starting to be used as part of the production ...
Kunststoffe international, 2008-10-17, Polycarbonate (PC)
In 2007, worldwide consumption of polycarbonate was about 3.15 million t (Fig. 1). Since the beginning of 2008, however, the market for PC manufactures has become somewhat cloudy. For instance, in spite of good material availability, they are facing a decrease in demand and having to deal with significant competitive pressure. At the same time, the high costs for energy as well as raw materials (benzene, phenol and acetone) are depressing margins, which has forced many PC produce...
Kunststoffe international, 2009-04-16, In-Line Color Measurement Directly in the Melt
Color measurement constitutes a means of verifying color quality. The measurement is generally conducted on the finished end product using samples that have been taken manually, directly from the production line, or by means of automated measuring methods. A distinction is drawn between several different types of color measurement. With the off-line method, the measurement results are not available for a matter of hours, which is why this method is not suitable for intervening in the process. Th...
Kunststoffe international, 2012-10-15, Conductive, Transparent, Flexible
Flexible, optically transparent films are required for applications such as displays, ultra-thin heating elements, and operating controls in automobiles. They must have a coating that possesses the maximum-possible electrical conductivity. Nowadays, polyester-based plastic films coated with indium tin oxide (ITO) are often used, but these are technically difficult and expensive to structure prior to use [1]. The limited conductivity and relative fragility of ITO renders it less suitable for appl...
Kunststoffe international, 2014-10-10, Polymethyl Methacrylate (PMMA)
In recent years, the PMMA market has exhibited highly volatile phases, characterized by extreme fluctuations in demand. In 2012, demand stabilized and despite a difficult environment showed moderate growth in 2013. Thanks to creative and innovative product ideas and continuous development of existing products solutions, opportunities to expand the current spectrum of applications always exist. The financial crisis in the years 2008 and 2009, followed by the European debt crisis in 2010, left de...
Kunststoffe international, 2015-03-17, Tailor-Made for LEDs
A wide variety of tailor-made compounds are used in LED technology. Appropriately matched plastics and fillers are used to achieve characteristics such as high reflectivity, translucence or thermal conductivity. The LED technology has undergone an enormous development in recent years and found its way into a large number of different areas of life. Due to the compact design, high energy efficiency and durability of the LED, classic lighting is gradually being superseded. The lamp industry, too, ...
Kunststoffe international, 2015-11-23, Three-Dimensional Lighting
In recent years, LED technology has been developing very rapidly. In the lighting industry, this has given rise to new requirements and markets for optical components. A light-guiding laminate based on polymethyl methacrylate (PMMA) makes it possible to create three-dimensional shapes for LED light panels. In this case, light guiding, extraction, and reflection are combined in one product. In the lighting industry, white LEDs (light-emitting diodes) are increasingly gaining ground over tradition...
Kunststoffe international, 2016-10-17, Polymethyl Methacrylate (PMMA)
Despite the tough market environment, the global sales market for polymethyl methacrylate is showing solid business growth and is leveling out demand fluctuations. Manufacturers are increasingly focusing on non-cyclical specialties in established application fields outside the fast-moving opto-electronics industry. This decision is intended to promote solid growth in the medium term. Global sales volumes of polymethyl methacrylate (PMMA) molding compounds and semi-finished products were 1.9 mill...
Kunststoffe international, 2017-05-22, Decor and Function on One Film
Today’s printed electronics on injection molded parts always have a multi-layer structure. Decor films are back-molded using the FIM process, and the electronic functions are applied via an additional rear backing film. Now, new materials permit the integration of both layers on a three-dimensional shaped film with decor and imprinted circuits. This enables off-tool functional decor components to be produced by the subsequent injection molding process. Due to increasing individualization of vehi...
Kunststoffe international, 2017-09-20, The Digital Revolution in Production is Imminent
© private© private© privateAfter a start without much ado two years ago, things are now hotting up. The Linz Institute of Technology (LIT) is getting a pilot factory in "Industry 4.0" format. The relevant political agencies at federal and state level have now entered into a commitment for such a move. Prior to this, industry had also pledged its support, for a total of EUR 10 million, including companies such as Engel, Borealis, Leistritz, Erema, Greiner, Fill and also Siemens. Part of this spon...
Kunststoffe international, 2018-07-17, Balanced Mixing Screw for Single-Screw Extruder
The homogenization of the melt – for example when coloring plastic – is a fundamental prerequisite for good end product quality in extrusion. Homogeneity is determined to a large extent by the mixing section. However, a supposedly intensive mixer is not always the best choice. Single-screw extruders are widely used machines for the production of plastic products, especially semifinished goods. The quality of the extruded material which is produced depends to a large extent on the homogenization ...
Attractive and Robust Protective and Decorative Films based on Polyamides Michael Beyer and Jörg Lohmar, Marl/Germany Films in semi-crystalline polyamide 12 are noted for their high transparency and scratch resistance. With classical or modern designs printed on them, they provide highly-stressed sports articles, such as snowboards or skis, with protection and with an attractive appearance. A large number of new processes have been developed over the past few decades for surface decorati...
Kunststoffe international, 2005-11-21, Laminating PVC Window Profiles without Solvents
Laminating PVC Window Profiles without Solvents High-quality Bonding by Precleaning and Flame Treatment Jörg Gehrke and Horst Kleinert, Dresden/Germany, Horst Hoffmann, Bopfingen/Germany A completely new, solventless method has been developed for the production of film-laminated PVC window profiles, which is based on the combined use of a biodegradable alkaline cleaning agent and flame treatment. In Germany, around 1 million tonnes of unplasticised PVC are processed every year. Some 20 %...
Kunststoffe international, 2005-11-21, Planning Future Scenarios: Automotive Applications in the Distant Future
Planning Future Scenarios: Automotive Applications in the Distant Future It’s a long journey from polymer granules to automotive parts. It’s an even longer one for those whose job it is to envisage where plastics will be used in the cars of the future and which market trends providers of raw materials should follow. This is precisely the task of Bayer Polymers’ Creative Center, which has just launched its latest development for the cars of the future, called smart surface technology. Martin ...
Kunststoffe international, 2005-11-21, Portait: Pointers to the Future
Portait: Pointers to the Future Last year, the company A. Maier Präzision GmbH celebrated its 150th anniversary. The company enjoys a world-wide reputation: headquartered in the Black Forest town of St. Georgen, it specialises in the production of sophisticated hi-tech components and miniature parts. Its key production focus is on pointers for application in a wide range of areas, primarily the automotive sector. So, what is so special about pointers? Well, what looks at first sight like a t...
Kunststoffe international, 2006-05-24, Process Development: Versatile Ultrasound
Injection Moulding. Versatile Ultrasound. Process Development. Plastic melts absorb ultrasonic energy, and this increases their temperature and flowability. This effect is exploited to improve on the filling of constricted cavities and the reproduction of fine structures as well as to increase the strength of the bond seam in two-component injection moulding. Ultrasonic vibration is used to eject small parts without them suffering any damage. Peter Bloss et al. Ultrasound (US) is a versatile...
Kunststoffe international, 2008-01-15, Bringing Measurement to Optical Effects
Bringing Measurement to Optical Effects Color Measurement (Trade Fair Report K 2007) The range of requirements is expanding. Automobile manufacturers and their suppliers have to reliably determine both color and surface effects. Capturing light dependent effects, gloss as well as the colormetric behavior of translucent objects is becoming more important. In some extrusion applications color measurement is already part of the quality control and is starting to be used as part of the production ...
Kunststoffe international, 2008-10-17, Polycarbonate (PC)
In 2007, worldwide consumption of polycarbonate was about 3.15 million t (Fig. 1). Since the beginning of 2008, however, the market for PC manufactures has become somewhat cloudy. For instance, in spite of good material availability, they are facing a decrease in demand and having to deal with significant competitive pressure. At the same time, the high costs for energy as well as raw materials (benzene, phenol and acetone) are depressing margins, which has forced many PC produce...
Kunststoffe international, 2009-04-16, In-Line Color Measurement Directly in the Melt
Color measurement constitutes a means of verifying color quality. The measurement is generally conducted on the finished end product using samples that have been taken manually, directly from the production line, or by means of automated measuring methods. A distinction is drawn between several different types of color measurement. With the off-line method, the measurement results are not available for a matter of hours, which is why this method is not suitable for intervening in the process. Th...
Kunststoffe international, 2012-10-15, Conductive, Transparent, Flexible
Flexible, optically transparent films are required for applications such as displays, ultra-thin heating elements, and operating controls in automobiles. They must have a coating that possesses the maximum-possible electrical conductivity. Nowadays, polyester-based plastic films coated with indium tin oxide (ITO) are often used, but these are technically difficult and expensive to structure prior to use [1]. The limited conductivity and relative fragility of ITO renders it less suitable for appl...
Kunststoffe international, 2014-10-10, Polymethyl Methacrylate (PMMA)
In recent years, the PMMA market has exhibited highly volatile phases, characterized by extreme fluctuations in demand. In 2012, demand stabilized and despite a difficult environment showed moderate growth in 2013. Thanks to creative and innovative product ideas and continuous development of existing products solutions, opportunities to expand the current spectrum of applications always exist. The financial crisis in the years 2008 and 2009, followed by the European debt crisis in 2010, left de...
Kunststoffe international, 2015-03-17, Tailor-Made for LEDs
A wide variety of tailor-made compounds are used in LED technology. Appropriately matched plastics and fillers are used to achieve characteristics such as high reflectivity, translucence or thermal conductivity. The LED technology has undergone an enormous development in recent years and found its way into a large number of different areas of life. Due to the compact design, high energy efficiency and durability of the LED, classic lighting is gradually being superseded. The lamp industry, too, ...
Kunststoffe international, 2015-11-23, Three-Dimensional Lighting
In recent years, LED technology has been developing very rapidly. In the lighting industry, this has given rise to new requirements and markets for optical components. A light-guiding laminate based on polymethyl methacrylate (PMMA) makes it possible to create three-dimensional shapes for LED light panels. In this case, light guiding, extraction, and reflection are combined in one product. In the lighting industry, white LEDs (light-emitting diodes) are increasingly gaining ground over tradition...
Kunststoffe international, 2016-10-17, Polymethyl Methacrylate (PMMA)
Despite the tough market environment, the global sales market for polymethyl methacrylate is showing solid business growth and is leveling out demand fluctuations. Manufacturers are increasingly focusing on non-cyclical specialties in established application fields outside the fast-moving opto-electronics industry. This decision is intended to promote solid growth in the medium term. Global sales volumes of polymethyl methacrylate (PMMA) molding compounds and semi-finished products were 1.9 mill...
Kunststoffe international, 2017-05-22, Decor and Function on One Film
Today’s printed electronics on injection molded parts always have a multi-layer structure. Decor films are back-molded using the FIM process, and the electronic functions are applied via an additional rear backing film. Now, new materials permit the integration of both layers on a three-dimensional shaped film with decor and imprinted circuits. This enables off-tool functional decor components to be produced by the subsequent injection molding process. Due to increasing individualization of vehi...
Kunststoffe international, 2017-09-20, The Digital Revolution in Production is Imminent
© private© private© privateAfter a start without much ado two years ago, things are now hotting up. The Linz Institute of Technology (LIT) is getting a pilot factory in "Industry 4.0" format. The relevant political agencies at federal and state level have now entered into a commitment for such a move. Prior to this, industry had also pledged its support, for a total of EUR 10 million, including companies such as Engel, Borealis, Leistritz, Erema, Greiner, Fill and also Siemens. Part of this spon...
Kunststoffe international, 2018-07-17, Balanced Mixing Screw for Single-Screw Extruder
The homogenization of the melt – for example when coloring plastic – is a fundamental prerequisite for good end product quality in extrusion. Homogeneity is determined to a large extent by the mixing section. However, a supposedly intensive mixer is not always the best choice. Single-screw extruders are widely used machines for the production of plastic products, especially semifinished goods. The quality of the extruded material which is produced depends to a large extent on the homogenization ...
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