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Apec - PC - Covestro Deutschland AG
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Kunststoffe international, 2005-11-21, Materials with Multiple Functions
...ult from sharpening safety standards also when applied inappropriately as well as the introduction of new assembly procedures. High transparency and thermal shape stability: Bayer provides copolycarbonate (PC-HT; Apec) for applications requiring high thermal stability up to a value of 220°C. The transparency is comparable to that of polycarbonate. Also the viscosity increases with increasing thermal stability for this copolycarbonate. However, the melt viscosity and thus the fluidity are signifi...
Kunststoffe international, 2005-11-21, Planning Future Scenarios: Automotive Applications in the Distant Future
...ade from the electrically conducting polymer Baytron poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate), Noriphan HTR screen-printing inks from Pröll AG, which are based on the heat-resistant polycarbonate Apec HT, and the PC+ABS blend Bayblend. The inverter on the back side was encapsulated in polyurethane. “As a solution provider, we wanted to provide a one-stop solution from our polymer range, to show our customers that they can call on all our expertise in the areas of materials selecti...
Kunststoffe international, 2005-11-21, Polycarbonate (PC)
...es of bisphenol A with other bisphenol to modify the properties of polycarbonate to suit specific applications. For example, the heat distortion resistance of polycarbonate can be increased by co-condensation with bisphenol TMC. Such products (e. g. Apec) can reach a maximum Vicat/B 120 temperature of 205°C. Another new development created by modification of bisphenol structures is polycarbonate ST 3000 which was developed by Teijin Bayer Polytech (a 50:50 joint venture between Teijin Chemic...
Kunststoffe international, 2005-11-21, Strong Upturn: Polycarbonate (PC)
...nt developments in the design of automotive headlights require heat-resistant, dimensionally stable and readily metallisable materials for the production of so-called bezels. Bayer MaterialScience has developed the new, free-flowing co-PC Apec 1795 and Apec 1895 for this application and expects double-digit volume growth for this series of products in the future as well. Some 95% of headlight diffusor screens are now being made from PC. Around 60000t of PC is currently being used in this applic...
Kunststoffe international, 2006-01-26, Structuring and Ablating: Manufacturing Medical Products with Laser Technology
Special. Manufacturing Medical Products with Laser Technology. Martin Wehner Philipp Jacobs Structuring and Ablating. Polymers can be precisely structured by radiation from UV excimer lasers or line-tuned CO2 lasers. Even flexible materials like thin tubes can be drilled with high accuracy. Additionally, the laser technology is very well suited for the manufacture of prototypes and small series. As a sequential production method, laser technology is considered not to be a competitor to esta...
Kunststoffe international, 2007-10-21, Polycarbonate (PC) and Polycarbonate Blends
...adlight lenses, so-called bezels. Here, Bayer MaterialScience is expecting double-digit volume growth in future for new, particularly free-flowing, metallizable and dimensionally stable grades of its highly heat-resistant copolycarbonate Apec. About 95 % of all headlight diffusing lenses now consist of PC. Annual consumption of PC for this application is of the order of over 60,000t. In the next generation of headlights with LED lamps initial prototypes and concepts still foresee the use of pol...
Kunststoffe international, 2008-10-17, Polycarbonate (PC)
...the trend is toward a design that requires bezels that are very heat resistant. Here, Bayer MaterialScience also anticipates continued growth in the future for easyflowing, platable and dimensionally stable grades of its highly temperature-resistant Apec copolycarbonate. In the coming generation of headlights with LED bulbs, use of PC and copolycarbonate is also expected – specifically, in bezels, cover lenses and optical LED components. Lighting Technology – PC for LED Focusing Op...
Kunststoffe international, 2012-10-15, LED Lighting Technology in Vogue
...C renders it ideal for reflective components, such as metallized reflectors and bezels. This surface quality results from the amorphous structure and is superior to that of semicrystalline materials. The Bayblend, Makrolon and Apec ranges contain tailored products for injection molding components that must cope with various maximum service temperatures. A new material is being developed that targets metallized reflectors which must remain dimensionally stable, even in extreme temperature changes...
Kunststoffe international, 2013-02-22, Effect of Repeated Sterilization
...nology – a polyether ether ketone (grade: Vestakeep M4G, manufacturer: Evonik Degussa GmbH, Marl, Germany), a polyamide 12 (grade: Vestamid L2101F, manufacturer: Evonik Degussa GmbH, Marl) and a high-temperature polycarbonate (PCHT) (grade: Apec 1745, manufacturer: Bayer MaterialScience AG, Leverkusen, Germany). Interest focused on changes in the mechanical properties of the materials and their stress cracking resistance. Loads Due to Sterilization A chief requirement for reusable plastic articl...
Kunststoffe international, 2014-10-10, Polycarbonate (PC)
...he manufacture of highly heat-resistant components for automotive headlights. In addition, they are gaining ground for demanding optical applications, such as flash lenses for smartphones made of the customized Apec copolycarbonate from Bayer MaterialScience. The LED lenses ensure clearer photos with truer colors, and thanks to the material’s toughness and strength, they have a longer service life.Several manufacturers such as Sabic offer copolycarbonates which also contain poly siloxane blocks ...
...ult from sharpening safety standards also when applied inappropriately as well as the introduction of new assembly procedures. High transparency and thermal shape stability: Bayer provides copolycarbonate (PC-HT; Apec) for applications requiring high thermal stability up to a value of 220°C. The transparency is comparable to that of polycarbonate. Also the viscosity increases with increasing thermal stability for this copolycarbonate. However, the melt viscosity and thus the fluidity are signifi...
Kunststoffe international, 2005-11-21, Planning Future Scenarios: Automotive Applications in the Distant Future
...ade from the electrically conducting polymer Baytron poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate), Noriphan HTR screen-printing inks from Pröll AG, which are based on the heat-resistant polycarbonate Apec HT, and the PC+ABS blend Bayblend. The inverter on the back side was encapsulated in polyurethane. “As a solution provider, we wanted to provide a one-stop solution from our polymer range, to show our customers that they can call on all our expertise in the areas of materials selecti...
Kunststoffe international, 2005-11-21, Polycarbonate (PC)
...es of bisphenol A with other bisphenol to modify the properties of polycarbonate to suit specific applications. For example, the heat distortion resistance of polycarbonate can be increased by co-condensation with bisphenol TMC. Such products (e. g. Apec) can reach a maximum Vicat/B 120 temperature of 205°C. Another new development created by modification of bisphenol structures is polycarbonate ST 3000 which was developed by Teijin Bayer Polytech (a 50:50 joint venture between Teijin Chemic...
Kunststoffe international, 2005-11-21, Strong Upturn: Polycarbonate (PC)
...nt developments in the design of automotive headlights require heat-resistant, dimensionally stable and readily metallisable materials for the production of so-called bezels. Bayer MaterialScience has developed the new, free-flowing co-PC Apec 1795 and Apec 1895 for this application and expects double-digit volume growth for this series of products in the future as well. Some 95% of headlight diffusor screens are now being made from PC. Around 60000t of PC is currently being used in this applic...
Kunststoffe international, 2006-01-26, Structuring and Ablating: Manufacturing Medical Products with Laser Technology
Special. Manufacturing Medical Products with Laser Technology. Martin Wehner Philipp Jacobs Structuring and Ablating. Polymers can be precisely structured by radiation from UV excimer lasers or line-tuned CO2 lasers. Even flexible materials like thin tubes can be drilled with high accuracy. Additionally, the laser technology is very well suited for the manufacture of prototypes and small series. As a sequential production method, laser technology is considered not to be a competitor to esta...
Kunststoffe international, 2007-10-21, Polycarbonate (PC) and Polycarbonate Blends
...adlight lenses, so-called bezels. Here, Bayer MaterialScience is expecting double-digit volume growth in future for new, particularly free-flowing, metallizable and dimensionally stable grades of its highly heat-resistant copolycarbonate Apec. About 95 % of all headlight diffusing lenses now consist of PC. Annual consumption of PC for this application is of the order of over 60,000t. In the next generation of headlights with LED lamps initial prototypes and concepts still foresee the use of pol...
Kunststoffe international, 2008-10-17, Polycarbonate (PC)
...the trend is toward a design that requires bezels that are very heat resistant. Here, Bayer MaterialScience also anticipates continued growth in the future for easyflowing, platable and dimensionally stable grades of its highly temperature-resistant Apec copolycarbonate. In the coming generation of headlights with LED bulbs, use of PC and copolycarbonate is also expected – specifically, in bezels, cover lenses and optical LED components. Lighting Technology – PC for LED Focusing Op...
Kunststoffe international, 2012-10-15, LED Lighting Technology in Vogue
...C renders it ideal for reflective components, such as metallized reflectors and bezels. This surface quality results from the amorphous structure and is superior to that of semicrystalline materials. The Bayblend, Makrolon and Apec ranges contain tailored products for injection molding components that must cope with various maximum service temperatures. A new material is being developed that targets metallized reflectors which must remain dimensionally stable, even in extreme temperature changes...
Kunststoffe international, 2013-02-22, Effect of Repeated Sterilization
...nology – a polyether ether ketone (grade: Vestakeep M4G, manufacturer: Evonik Degussa GmbH, Marl, Germany), a polyamide 12 (grade: Vestamid L2101F, manufacturer: Evonik Degussa GmbH, Marl) and a high-temperature polycarbonate (PCHT) (grade: Apec 1745, manufacturer: Bayer MaterialScience AG, Leverkusen, Germany). Interest focused on changes in the mechanical properties of the materials and their stress cracking resistance. Loads Due to Sterilization A chief requirement for reusable plastic articl...
Kunststoffe international, 2014-10-10, Polycarbonate (PC)
...he manufacture of highly heat-resistant components for automotive headlights. In addition, they are gaining ground for demanding optical applications, such as flash lenses for smartphones made of the customized Apec copolycarbonate from Bayer MaterialScience. The LED lenses ensure clearer photos with truer colors, and thanks to the material’s toughness and strength, they have a longer service life.Several manufacturers such as Sabic offer copolycarbonates which also contain poly siloxane blocks ...
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