zytel - PA6, PA610, PA612, PA66 - dupont

Kunststoffe international, 2005-11-21, Design for Innovative Materials
... the more rigid or more flexible grades of Hytrel, DuPont's thermoplastic elastomer. The mouthpiece and the holder for the gas cartridge are designed as injection mouldings of engineering thermoplastics (e. g. DuPont's glass fibre reinforced Zytel polyamide). For the collar itself, the designer suggested a textile fabric reinforced with DuPont's Kevlar. Gerd Burchard and Tilman Walter, students at the Technical College for Design in Schwäbisch Gmünd/Germany, took third prize with the...

Kunststoffe international, 2005-11-21, Development Strategy and Environmental Protection: DuPont - Growing with Engineering Plastics
...lobal market. More recent investments include: - the world's largest production plant of its kind for polybutylene terephthalate (PBT), which started operation in December 2003 in Uentrop/Germany - commissioning a plant for the manufacture of Zytel polyamide with a capacity of 10000t per annum in Shenzhen, China, in March 2004 - a polyacetal (POM) production plant in China with a capacity of 20000t per annum, which will go on stream in June 2004 - a plant in Richmond, Virginia, USA, with ...

Kunststoffe international, 2005-11-21, Engineering Plastics: Products for Innovative Processes
...fibres and optimum properties in terms of initial metalisation behaviour and metal adhesion. Other variants, for example a low-warpage-optimised formulation with glass-fibre/mineral reinforcement, are being developed. DuPont is supplying a special Zytel PA66 grade for water-assist technology. This is used, for example, to produce three-dimensionally curved oil dipsticktubes for BMW 2-liter diesel engines (Fig.1). A. Schulmann is also supplying a special material combination for water-assist tec...

Kunststoffe international, 2005-11-21, Exhibition Preview: North American and Canadian Products at K 2004
...e PEs for food packaging, shrink wrap, retail bags, diaper backing, and disposable medical supplies. New-generation Nylons Among several new nylon developments from DuPont, Wilmington/Delaware, is a new grade of Zytel with high hydrolysis resistance. It was developed for a cooling-system connector made by ABA of Sweden for Visteon’s new HVAC cooling system used in the 2005 Ford Mustang GT and throughout the Ford C1 platform. DuPont (like Bayer and Rhodia) has also come out with special grades o...

Kunststoffe international, 2005-11-21, High-performance Polymers: Metal Substitution and Miniaturisation
...s, for providing robust and fire-safe interior trim in trains, buses and ships. DuPont presents novel high-performance polyamides under the trade name Superstructural. They consist of long and short fibre-reinforced Zytel grades, characterised by high stiffness and strength in combination with very high creep and fatigue resistance. The company provides a broad range of applications for Superstructurals as automotive parts, housing and frame parts, furniture, garden appliances and sports equipm...

Kunststoffe international, 2005-11-21, Materials with Multiple Functions
...ree of halogens and heavy metals: Requirements on halogen-free materials appear ever more frequently in equipment manufacturers’ specifications. DuPont developed halogen-free flame-protected type 6 and 6/66PP (Zytel). The LCP types (Zenite) are inherently flame-protected without additives (Fig.18). Both product groups fulfil the conditions of the UL 94V-0 classification. In customer testing there are PA66 grades that independent of coloration fulfil the conditions of the UL class V-0 and lead to...

Kunststoffe international, 2005-11-21, Morphology and Mechanical Properties: Blends of Polyamide 66 and Syndiotactic Polystyrene
... to establish the possible ways in which the modifier can influence the morphology and hence the properties of (sPS+sPS-g-MSA+PA 66) blends, the mixing ratios set out in Table 1 were employed to compound blends. Use was made here of a PA 66 of type Zytel EFE 1032 from DuPont, an sPS of type Questra CP QA 101 natural, produced by Dow, and a modifier of type Scona TPSPS 8012 PA, produced by Kometra. All the blends had 0.2% Irganox B 215 from Ciba Specialty Chemicals added to them as a stabiliser. ...

Kunststoffe international, 2005-11-21, Multiprocess Technology: Production Solution for Complex Air Intake Systems
...g.7). The sandwich welding of the plenum to the flange banks (Fig.8) ensures additional rigidity. Fig.9 shows the fully assembled intake module. Glass-fibre-reinforced PA6 Meets All Specifications The material used by Mahle is Zytel 73G30HSLR, a 30wt.-% glass-fibre-reinforced, hydrolysis- and hot-oil-resistant polyamide6 from DuPont, which also contains a special heat stabiliser system. This material is normally used for underbonnet applications requiring high rigidity and dimensional stabilit...

Kunststoffe international, 2005-11-21, Optimised Process Control: Laser Welding in Computer Simulation
... the rate of advance. For POM (also Fig 4), a weld temperature of 311°C and a melt depth of around 0.03 mm were calculated under the laser conditions given in Table 1 (133W laser output, 2.5mm beam radius). The corresponding data for PA 6 (Zytel 7300, 1.5mm laser beam radius) are shown in Fig. 5. For PA66 (Zytel E101L), which lets through a comparatively large amount of laser energy, a correspondingly higher weld temperature and a larger melt depth are attained (also Fig. 5). The laser beam perm...

Kunststoffe international, 2005-11-21, Plastic, the All-purpose Material: Function in Form
...hout turning the head. This is enabled by a periscope-like mirror system accommodated in a protective protuberance on the helmet. This protuberance, which runs over the highest point of the helmet, is made of Zytel Super Tough polyamide from DuPont for high toughness and impact strength, with low weight. During its development, the French manufacturer Pactuco International, Roche La Molière, subjected the helmet to impact tests in hot, cold and wet conditions – against both flat surfaces and the...

Kunststoffe international, 2005-11-21, Shopping the Modern Way
...ll thickness differences. The choice of material was a polyamide 6 because with this technical plastic a balanced relation of price to material efficiency is attainable. After preliminary tests a polyamide 6 strengthened with 15 % glass fibres (type Zytel 73G 15L manufactured by DuPont) was chosen. 4.5 kg Polyamide in Four Seconds For realisation of the design in a series product new ground had to be broken concerning many details of making the moulds and dimensioning the injection moulding pr...

Kunststoffe international, 2005-11-21, The Economic Alternative: Self Tapping Connections in the Engine Compartment
...le to achieve a significant increase in the performance of self tapping connections (Fig.2). This is demonstrated below with reference to the results of laboratory experiments on selected polyamides with low thermal expansion coefficients (type: Zytel, manufacturer: DuPont) in comparison to conventional screw geometries. The test conditions corresponded to the parameters for highly thermally and dynamically stressed connections to automotive air intake systems made of these materials. The chief ...

Kunststoffe international, 2005-11-21, Welding and Overmoulding of Thermoplastic Sheet Laminates
...he fibre composite materials. Back-injection moulding allows a decorative surface to be applied to thin thermoplastic laminate sheet parts. The injection moulding tests illustrated below were carried out with a PA66GF30 moulding compound (grade: Zytel 70G30 HSLNC10, manufacturer: DuPont) with an overlap of 20mm and a 2-mm thick PA66 sheet containing 65wt.-% glass fibres (grade: Tepex101, manufacturer: Bond-Laminates). The thermoplastic sheet product was preheated to various temperatures before i...

Kunststoffe international, 2006-02-24, “Space Puzzle Molding“: Efficient Small Batch Production
...ts are functional parts relevant for safety, they have to fulfil stringent requirements in terms of precision, quality and stability. They are made of a high-strength polyamide whose glass fibre content is 30% (PA66-GF30, grade: Zytel, manurfacturer: DuPont de Nemours GmbH, Bad Homburg). For this reason, Continental Teves, Gifhorn, who received the parts, was a critical customer: After the delivery of the first parts, the car subcontractor and system supplier rejected the goods for reasons of in...

Kunststoffe international, 2006-09-08, Carrier Film: New Possibilities for Decorating Thanks to 3-D Dye-Sublimation Printing
...oilers are offered with one or two outer shells; additional shells can be purchased. The manufacturer Flow, a member of the Neil Pryde Group, also employs 3-D dye-sublimation printing, for the hi-back and the chassis – both of polyamide (type: Zytel) – of snowboard bindings (title photo). The Author: Christophe Chervin, born in 1964, is responsible for research and development in the departments ”Advanced Fibres“ and ”Engineering Polymers“ at DuPont de Nemours International (Geneva); christoph...

Kunststoffe international, 2006-10-30, Blow Moulding: Reliable Also at High Temperatures
...glass fibre-reinforced PA 6 with high melt strength. The material has high impact strength even at low temperatures and easy to process in conventional and 3-D blow moulding, also suited to sequential blow moulding. Polyamide 66 (PA66). Zytel BM70G20 (Supplier: DuPont): glass fibre-reinforced, easy to process, easily modified, offers high environmental compatibility and is recyclable. Part made from this material are rugged, yet lightweight and resistant to hot, chemically aggressive and humid s...

Kunststoffe international, 2007-08-14, Creating New Growth Through Innovations
...lity to grow and to invest in the "glocal" strategy as a direct corollary of entrepreneurial success. Since 2004, DuPont had commissioned facilities and plants such as the PBT joint venture in Germany, a plant for the production of Zytel in Richmond, Virginia in the USA, new compounding plants in Shanghai and Bangkok, a new center in India for design and materials testing, an R&D center in Shanghai and the automotive center in Nagoya in Japan. Two new manufacturing plants were planned fo...

Kunststoffe international, 2007-09-19, Energy Efficiency Taking on Increasing Importance
... special hot diesel stabilization – with no need to accept any deterioration in its mechanical properties to this end. A three-dimensionally shaped ventilation pipe, produced by blow molding using an unreinforced, impact and heat stabilized Zytel polyamide from DuPont is one of the biggest blow molded vehicle parts to have been produced by this technology to date (Fig. 4). Supplier TI Automotive, Warren, Michigan, USA, introduced its so-called "tube manipulation" system to this end. Th...

Kunststoffe international, 2007-09-19, For High-End Applications
...tandards on the company’s own world-scale ABS plant. Emission-free The main attractions for the automotive sector that are being presented by DuPont de Nemours GmbH of Bad Homburg, Germany, at the plastics trade fair are Thermx TE4004 and Zytel HTN PPA. TE4004 is a tailormade polyester that enables suppliers to follow the general trend of reducing the diameter of pencil coils in ignition systems to 22mm (instead of 26mm) without functional losses. At the same time, the coils should deliver hig...

Kunststoffe international, 2007-09-19, It’s the Pressure that Keeps the Balance
...r limits of weight tolerance than with comparable hydraulic machines. That allows processors to reduce the actual shot weight and part costs. The mold used for the studies produces highly mechanically stressed pawl carriers of PA66 (grade: Zytel 114L BK097; manufacturer: DuPont de Nemours GmbH) for home entertainment products (Fig.2). At dimensions of 10.9 x 7.5 x 13.5mm and a part weight of 0.17g, the total shot weight is 6.65g, because the 16-cavity mold has eight hot runners, with each two ca...

Kunststoffe international, 2007-12-17, From Miniaturization through to Furniture Design
...bsorbs less moisture, is more stable and is not affected even by aggressive media such as biodiesel. DuPont de Nemours GmbH, Bad Homburg, Germany, intends to counter the aggressiveness of the AdBlue additive mixture for fuels with a special Zytel HTN grade. This displays permanent resistance in terms of its mechanical properties and forms virtually no compounds that could contaminate the urea mixture. The innovation is intended for tanks, pumps and connection pipes. The light source of the futur...

Kunststoffe international, 2008-07-15, Metal on the Outside, Plastic on the Inside
...orsional stiffness and strength. The properties of MetaFuse hybrid systems have been characterized in a number of experiments on different engineering polymer substrates. Figure 3 shows typical results from tests on molded ISO tensile bars made from Zytel PA66 containing 25 % by weight glass fiber reinforcement, and then clad with 100 µm of nanocrystalline nickel-iron alloy. The flexural modulus and impact strength were two to four times those of the unclad polymer. The actual values are ...

Kunststoffe international, 2008-09-23, Set for Special Applications
...(Deutschland) GmbH, Bad Homburg, Germany (Fig. 1). On it the halogen-free flame-retardant plastics for the electrical and electronics industries occupy pride of place. These meet the requirements of class V-0 in accordance with UL94. Zytel FR7025V0F and Zytel7026V0F are unreinforced PA66 grades having high ductility and high tracking current resistance (CTI), e.g. for plugs in household appliances. Zytel FRG25NHV0 is a corresponding glass fiber-reinforced PA66 whose CTI i...

Kunststoffe international, 2008-10-17, Polyamides (PA)
... engines, BASF’s well heat-stabilized and highly filled Ultramid A3W2 G10 withstands constant temperatures of 190°C and excess pressures that fluctuate between 0.1 and 1.5 bar (Fig. 6). Similarly, competitor polyamides, such as Zytel HTN by DuPont, exhibit very good tensile strengths at medium and high strengths at high temperatures. Since 2007, Rhodia has been offering new, heat-resistant PA66 grades in its Technyl Heat Performance (HP) line and also recommends the...

Kunststoffe international, 2008-11-20, The First Plastic Oil Pan for Production Car Engines
...cover. Such a two-part design was originally planned for the new OM651 4-cylinder diesel engine. Initially, an oil-sump bottom part of die- aluminum or sheet steel was to be employed. But the development team opted to switch to PA66-GF35 (grade: Zytel 70G35 HSLR, manufacturer: DuPont) in the early stages of production development, and was thereby entering uncharted territory. Now, the new oil-sump module (Fig. 1) developed by Daimler in close cooperation with the suppliers Bruss,...

Kunststoffe international, 2009-10-14, Engineering Plastics from Renewably Sourced Materials
... being made to expand the product range. For instance, both unreinforced and impact tough types as well as glass fiber-reinforced blends should be available soon. Polyamide 610 and 1010 Polymer chemical processing steps are used for manufacturing Zytel RS polyamide 610 and Zytel RS 1010. At first, a preproduct is extracted from the oroil plant, a raw material for chemical products for a long time. Then a monomer with ten carbon atoms (C10, sebacic acid) is produced by chemical conversion. Sebaci...

Kunststoffe international, 2010-03-17, Maximum Aging Resistance
...he polyamides available to date. The automotive sector thus requires cost-efficient, easily-processable thermoplastics which are able to reliably withstand these new requirements. High Surface Quality and Dimensional Stability New aging resistant Zytel Plus polyamide grades from DuPont help meet these demands for greater thermal and chemical resistance. The principal benefits of polyamides, in terms of their low specific weight, high-flow (and therefore ease of processing at moderate temperature...

Kunststoffe international, 2010-09-24, Facilitating Technical Life
...uPont Focus on Sustainability DuPont de Nemours GmbH, NeuIsenburg, Germany, is presenting advanced alternatives to metals for automotive applications as well as the biggest portfolio of biobased plastics in the sector. The new Zytel Plus polyamides based on the company”s in-house Shield technology are one representative of the metal substitutes. Their properties remain stable for a longer period of time than those of conventional polyamides under the influence of hot air, hot oil, calcium chlori...

Kunststoffe international, 2010-09-24, Sustainable and Efficient
... sectors. These comprise automotive construction, wire and cable industry, food industry, healthcare, alternative energies and packaging. DuPont will present their progress made on materials designed to replace metals in automotive applications. The Zytel Plus group of high-performance polyamides maintains its performance level longer than conventional polyamides, when in contact with hot oil, hot air, calcium chloride or other aggressive media typical for automotive application. This high level...

Kunststoffe international, 2011-04-25, Flame Retardants: Restricted Boom
...d biodegradable. At K2010, different polymer producers showcased new developments in polyamides based on or oil (Fig. 5). Important producers include Arkema (Rilsan, PA11), BASF (Ultramid Balance, PA610), DSM (EcoPaXX, PA410), DuPont (Zytel RS, PA610 and PA1010) and Evonik (Vestamid Terra DS, PA1010). While most polyamides based on or oil are used in applications without flame retardancy requirements, DSM Engineering Plastics Europe of Sittard, Netherlands, recently launched halogenfree, flame-r...

Kunststoffe international, 2011-10-17, Polyamides (PA)
...ltramid Endure (Title photo) for this application. It is highly resistant to heat ageing while featuring the good processing properties of PA66. Focusing on similar applications, more products have been made available, for instance Zytel Plus 95G35 from the Zytel Plus series by DuPont, or Stanyl Dabolo OCD2100 by DSM. As part of its Grivory series, Ems- Chemie Holding AG, situated in Domat/Ems, Switzerland, also offers heat-resistant variants. In the spring of 2011, Radici Group SpA in Gandino, ...

Kunststoffe international, 2013-08-19, More Global Collaboration
...ng emissions and fuel consumption. This strategy includes joint development projects with companies from the sector, due to bring innovations to the market more quickly. One of the latest examples is a truck oil sump (Fig. 1) of Zytel polyamide, which is approx. 6 kg (that is 50 %) lighter than the aluminum variant hitherto used. At K2013, DuPont will present this sump, as well as a composite material technology on a thermoplastic basis that is designed for highly loaded parts. It combines low w...

Kunststoffe international, 2015-09-18, Regulations, Markets, Trends
...plate out following storage in a humid-warm climate (14 days at 70 °C and 100 % relative humidity).For some time now, DuPont de Nemours of Geneva, Switzerland, has also been offering a flame-retardant, halogen-free polyamide compound – Zytel FR95G25V0NH – as a substitute for thermoset housings, covers, electric sockets and switches in applications. It features excellent ageing resistance (RTI value 160 °C according to UL746 certification), excellent electrical tracking index CTI of 600 V, attai...