Hostaform - POM - Celanese

Kunststoffe international, 2005-11-21, An Overview: Innovative Processing Techniques
...ance to stress cracking. Because of this, ArvinMeritor chose the material in collaboration with Ticona and the Philips Outsert Center in Wetzler, a division of Philips that specialises in outsert moulding. The consensus was to use POM from Ticona (Hostaform C 13031 10/2013), as it had no difficulty meeting the requirements. This material also lends itself to two-component injection moulding along with an elastomer for the loudspeaker seal. 2-Component Injection Moulding with Integrated Seal Tw...

Kunststoffe international, 2005-11-21, Case Study (3): Hot-Runner Solution for a Spring Valve
...e and elastically deformable to avoid damage during injection into the basic body. Moreover, an adequate spring effect must be provided. The chemical resistance of the plastic to the liquids used was another selection criterion. The choice was for Hostaform 13021 POM (manufacturer: Hoechst AG, Frankfurt/Germany), particularly since this material can be readily processed by injection moulding. SKP and the hot-runner and standards supplier Hasco jointly drew up a mould design. Matched to the requ...

Kunststoffe international, 2005-11-21, Development History of Plastics: Growth through Changing Times
...Germany and General Electric in the USA. In 1959, DuPont started production of acetal homopolymer (Delrin), while in 1960 Celanese (Celcon) and Hoechst (Hostaform) began manufacturing acetal copolymers. This was followed by the launch of new fluorinated and sulphonated polymers (1960: tetrafluoroethylene, FEP; polyvinyl fluoride, PVF; 1961: polyvinylidene fluoride, PVDF; 1972: ethylene-tetrafluoroethylene copolymers, ETFE; 1973: perfluoroalkoxy copolymers, PFA). In 1965 , Union Carbide (USA) th...

Kunststoffe international, 2005-11-21, Engineering Plastics: Products for Innovative Processes
...n in the mould during the filling and compression phases are optimised. This makes it possible to produce polycarbonate automotive glazing up to 1m2. Polyacetals (POM) Materials used in medical technology have to meet special requirements. The Hostaform MT grades have been specially developed for this market (manufacturer: Ticona). To meet the high requirements of the medical/pharmaceutical industry in relation to purity/cleanness, traceability and product consistency even better in the future,...

Kunststoffe international, 2005-11-21, Fuel Cell for Alternative Propulsion
...systems are exposed are extremely corrosive. In addition, the conversion from chemical to electrical energy is a catalytic (chemical) process which can only be performed by chemically resistant, pure materials. Engineering plastics such as POM (e.g. Hostaform), PPS (e.g. Fortron) and LCP (e.g. Vectra) from Ticona satisfy the relevant specifications on corrosion resistance and purity. They have a very low creep tendency and high strength. They also have long-term resistance to gas and liquid fuel...

Kunststoffe international, 2005-11-21, Functionality is the Key Factor
...ter asthma drugs (Fig. 3). The particularly high demands on the mechanical precision of this powder inhaler system are met by a combination of polybutylene terephthalate (PBT; grade: Celanex, manufacturer: Ticona) and polyoxymethylene (POM; grade: Hostaform, manufacturer: Ticona). Both materials together provide the necessary high dimensional stability and mechanical strength in combination with low wall thicknesses and good biocompatibility. The mechanical system must be free of abrasion and sm...

Kunststoffe international, 2005-11-21, Good Growth Prospects: Ticona Sets its Stakes on Engineering Plastics
... without polymeric materials. "Demand for our products continues to remain at a high level", Hensel acknowledges. "We are thus stepping up production of Fortron PPS by a quarter in the USA. We will also be producing considerably more Hostaform POM at our Bishop and Kelsterbach sites, and thus further expanding our leading global position as a supplier of polyacetal copolymer." Electronics and Computing Sector Ticona also has high economic expectations of the liquid crystalline ...

Kunststoffe international, 2005-11-21, In Contact with Drinking Water
...e toxicological tests plastics must be as stable as possible in themselves and above all be very pure. Ticona is already taking the forthcoming criteria into account. Thus the XAP range was established for acetal copolymer (POM; grade: Hostaform, manufacturer: Ticona), an important material used for applications in the sanitary and drinking water area. Through continuous process optimisation HostaformXAP (AP = Advanced Processing) has been formulated to fulfil the strictest requirements and tren...

Kunststoffe international, 2005-11-21, Increased Demand: Polyoxymethylene (Polyacetals, POM)
...r of assembly operations; for example, a door module produced by outsert technology. The structural part is the substrate for the components such as the window regulator, lock or door loudspeakers. Because of POM’s special suitability (Hostaform, manufacturer: Ticona) for this technique, 17 functional parts could be integrated, with a seal additionally being integrated by two-component injection moulding. Another manufacturing process is laser welding, which is only starting its development in t...

Kunststoffe international, 2005-11-21, Injection Moulding by MuCell Technology: Pole Position
... version of a mid-range car for a German auto producer. The close dimensional tolerances and many details in the housing interior make the project technically demanding. The material used is a polyacetal (grade: Hostaform) from Ticona. If made by a conventional process, it would require a 2500kN machine and a screw diameter of 55mm. The method of physical foaming reduces the required clamping force to 1500kN at a screw diameter of 40mm. The weight of the part is also reduced by about 10%, with a...

Kunststoffe international, 2005-11-21, Materials with Multiple Functions
... digital assistants (PDA) (Fig.3). Characteristics in combination: For the main components of a CD drive assembly, with which four data media up to the DVD can be read, the manufacturer uses Ricoh polyacetal (POM; Duracon corresponds to Hostaform) as well as polybutylene terephthalate (PBT; Duranex corresponds to Celanex) from Ticona (Fig.4). For the relatively large load carrier component above all great hardness and rigidity with small distortion are required. These requirements could be fulf...

Kunststoffe international, 2005-11-21, Medical Technology for the Mass Market
...to supply the selected plastics for several years without altering the formulation. Ticona has eight families of engineering plastics in its range which have proved their suitability for the field of medical technology over many years: POM (grade: Hostaform/Celcon), PBT (grade: Celanex), PET (grade: Impet), TPE-E (grade: Riteflex), LCP (grade: Vectra), COC (grade: Topas), PE-UHMW (grade: GUR) and PPS (grade: Fortron). Depending on the particular grade, these plastics fulfil all the decisive requ...

Kunststoffe international, 2005-11-21, Modelling of Part Properties: Physical Foaming for Cost-effective Injection Moulding
... mould half; Bewegliche Werkzeughälfte = Moving mould half Fig. 1. Composites [15]: Microcellular foam (left, thin section) and polymer blend (right, fracture surface) Fig. 2. Moduli of elasticity of microcellular foams (Hostaform: unreinforced POM, Celanex 3300: 30% glass-reinforced PBT, Fortron: PPS from Ticona) Relativer Modul = Relative modulus; Relative Dichte = Relative density; MT Modell = MT model Fig.3. Dielectric constants of microcellular PBT foams (1MHz) Fig. 4. Tensile streng...

Kunststoffe international, 2005-11-21, Motor Vehicle Interiors
...e future is parts about 2mm thick. The high impact strength of the material ensures that no debris can be torn out of the panel and injure passengers, even when the airbag deploys at low temperatures. Odour-neutral Hostaform grades (POM) are also new in Ticona’s range. The XAP series offers high UV stability and excellent slip properties besides odour neutrality. HostaformXAP in various colours offers designers different possibilities for a colourful, odour-neutral interior. Soft Touch and Safe...

Kunststoffe international, 2005-11-21, MuCell Process: Microcellular Parts from the Injection Moulding Machine
...te of 100mm/min in the tensile test were carried out at ambient temperature (24°C) and an increased temperature of 60°C. The results for PA6GF25 (grade: UltramidB2WG5, manufacturer: BASF) are given in Fig.1, and those for POM (grade: Hostaform, manufacturer: Ticona) in Fig.2. With both materials, the fracture resistance and modulus of elasticity decreased, as expected, with reducing weight both at room temperature and at increased temperature. With the weight reduction, the elongation at break a...

Kunststoffe international, 2005-11-21, Polyacetal with Greater Acid Resistance: Washed with all Waters
...the only challenges – they are also required to comply with the strict guidelines that govern contact with drinking water, function reliably for up to 50 years and be appealing to look at. A clear case for polyacetal. Wolfgang Wieth Ticona's Hostaform polyacetal or polyoxymethylene (POM) is to be found in cartridges, water-jet regulators in fittings, shower heads and water filters – in fact, everywhere where it is a matter of combining stylish design with functional operation. The new "...

Kunststoffe international, 2005-11-21, Polyoxymethylene (Polyacetals, POM)
...to less than 1 Ω-cm. These grades can also be readily produced in light colours. Low-odour injection moulding grades - in particular for applications in the vehicle interior - were launched by Ticona, the first POM supplier, as early as 1998 (Hostaform XAP). The range, which was limited to unpigmented grades at first, has high stability and purity and a low residual monomer content. Since then it has been expanded with coloured (including UV-resistant) grades. The pigment formulations and ...

Kunststoffe international, 2005-11-21, Polyoxymethylene (POM)
... of excluding odours in car interiors, because odours are by nature regarded as unpleasant in the enclosed interior of a car. Ticona was the first POM supplier to put low-odour injection moulding grades onto the market under the name Hostaform XAP. This range, which was initially restricted to natural grades, has a high level of stability and purity and a low residual monomer content. Coloured, and in some cases also UV-resistant grades, have since been added. The first XAP specialties with impa...

Kunststoffe international, 2005-11-21, Self-insulating Hot Runner
...s each weight 45 g and measure 340 x 115 mm. They are manufactured in a cycle time of 25 sec. The installed heating output for runner blocks and valve pins (open, Maxi) is 1,500 W. The gear racks (Fig. 4) of glass fibre reinforced polyacetal (grade: Hostaform C9021 GV1/30) are also made with a four-cavity injection mould. The racks are part of a press for a domestic cleaning device. They are 200 mm long, 115 mm wide at their T-shaped end and each weigh 80 g. They are gated near the T-shaped end....

Kunststoffe international, 2005-11-21, Special Plastics: Household Work Made Easy
...s Facilitate Work Already today plastics like long-fibre-reinforced thermoplastics (LFT; trade mark: Celstran), polybutylene terephthalate (PBT; grade: Celanex), polyphenylene sulphide (PPS; trade mark: Fortron) or polyacetal (POM; trade mark: Hostaform) continuously clock innovation in household appliances. Thus intelligent quantity sensors measure the weight of the laundry in the machine automatically, thereby calculate the optimal water and detergent quantity and co-ordinate the centrifuge ro...

Kunststoffe international, 2005-11-21, Stringent Demands on Quality and Operation
... respect of both taste neutrality and safety in food-legislation terms. Ticona has more than thirty years' experience in the sanitary and water sector. This is reflected in its product portfolio for these applications, which includes POM (grade: Hostaform), PPS (grade: Fortron) and glass fibre reinforced PBT (grade: Celstran). A whole range of different material properties are involved here. POM, for example, offers excellent surface slip and wear behaviour, high hydrolysis and chemical resi...

Kunststoffe international, 2005-11-21, Two-component Injection Moulding: New Hard-soft Combinations of POM and TPU
New Hard-soft Combinations of POM and TPU Two-component Injection Moulding. New hard-soft combinations of POM and TPU (TPE) are being produced by injection moulding. For this application, POM (Hostaform) copolymer grades with different impact modification and TPU (Elastollan) grades with varying degrees of hardness are being combined. The bond strengths of the different hard-soft combinations, as determined in a standardised tensile test, are evaluated and discussed. The results are compared wi...

Kunststoffe international, 2005-11-21, Under Extreme Conditions
...alysis. The investigation program included among other things a 5000 hour long term test at temperatures prevalent in the motor area (up to 120°C) and in the tank area (up to 65°C) (Fig. 2). In these investigations the POM copolymer (grade: Hostaform) and PPS (grade: Fortron) showed excellent resistance to fuels also at elevated temperatures. Independent of this study, tests of diesel fuels were made for the European market. Remarkable is that POM copolymer showed itself to be especially...

Kunststoffe international, 2005-11-21, Worldwide Growth: Engineering Plastics
...ifficult to process. Resistance in Automotive Applications The automotive industry used POM for a variety of applications. Active headrest systems, for example, provide greater protection against whiplash industries in crashes. They are made from Hostaform POM. This highly resistant polyacetal from Ticona is resistant to heat ageing; its service temperatures are between –40 and +80°C. Slide rails for seats or sliding/sun roofs, seat latch buttons or loudspeaker grilles are also made of POM. The...

Kunststoffe international, 2006-01-30, Dosage Systems: Functional Packaging for the Medical Sector
...he remaining industrial grades, for instance. Ticona is a pioneer in polyacetal copolymers (POM). In 2005, the company brought a new production line for its medical grades of POM on stream in Kelsterbach/Germany; these are supplied under the name of Hostaform MT. So far, this production line is the only one of its type anywhere in the world. High-purity POM with a Dedicated Production Line. The dedicated production line for medical Hostaform boasts considerably improved production conditions. T...

Kunststoffe international, 2007-09-19, Create Progress. Together!
...a and capacity for Celstran to more than 35,000t. In February this year, Ticona announced that the company was working on plans for the rapid construction of local compounding facilities and production plants for Vectra LCP and Hostaform POM within the next three to five years. In May, Ticona declared its intention of building a customer application development center in Shanghai, also scheduled for completion in 2008. This will become part of a global support network, which includes similar Tic...

Kunststoffe international, 2007-09-19, Energy Efficiency Taking on Increasing Importance
...e 200°C. Class-A paint coats have been achieved in a number of painting units, under different conditions, employing a range of painting concepts. To eliminate electrostatic charges, Siemens VDO Automotive AG, Regensburg, Germany, uses the new Hostaform EC140XF grade from Ticona GmbH, Kelsterbach, Germany, in the fuel system for the new Ford Transit. Since elevated pressures and flow rates prevail in state-of-the-art fuel systems, this potentially increases the danger of electrostatic discharge...

Kunststoffe international, 2007-09-19, For High-End Applications
...rent environment, i.e. in the bathroom or, to be more precise, in an electric shaver. In the form of an oscillating bridge element, it transmits ultrasonic waves from the motor to the dynamic cutting head and from there to the skin. Compared with Hostaform, the material previously used for this application, Fortron is better able to withstand the thermal stresses generated by the special ultrasonic technology. It is also resistant to hydrolysis and chemical cleaning agents. Radiation Shield Th...

Kunststoffe international, 2007-10-21, Polyoxymethylene (POM)
...e interior: In the automotive field – the most important sales sector – POM is frequently employed in the vehicle interior. Low-odor injection molding grades of the material are available especially for use in interiors, including Hostaform XAP (manufacturer: Ticona). In addition, the polymer can be UV stabilized, optimized in terms of its slip properties and adjusted to the desired interior colors. These advantages mean that XAP is attractive for a large number of applications in the vehicle in...

Kunststoffe international, 2007-12-17, Still Demand for Innovation Potential
... components around the airbag outlet and knee-impact area, that must not break or splinter in the cold. Due to the good flow properties, applications in thin-wall technology, such as cell-phone shells, are also possible. In its second generation of Hostaform XAP, Ticona GmbH, Kelsterbach, Germany, unveiled a polyacetal (POM) product family, whose emission values are substantially lower than those of the previous generation, and are thus well placed to meet even stricter guidelines of the automot...

Kunststoffe international, 2008-09-23, Metal Needs Plastic
...apter allows a total of four devices to be inserted into one module and transported, the corresponding receivers and guides are again molded onto the metal plate. The plastics used meet the relevant FDA recommendations: Special POM grades (type: Hostaform) from Ticona GmbH, Kelsterbach, Germany, another hybridica exhibitor, are used. Braun manages without the complicated production of individual components, and could greatly reduce the assembly work and costs. At the same time, the multi...

Kunststoffe international, 2008-10-17, Polyoxymethylene (Polyacetals, POM)
...On the Market since 1956 DuPont put the first polyoxymethylene under the brand name Delrin on the market in 1956. POM is a semi-crystalline thermoplastic polymer processable by injection molding or extrusion. POM copolymers (e.g. Ticona’s Hostaform, BASF’s Ultraform) result from copolymerizing Trioxan with Dioxolan. POM homopolymers (e.g. Delrin by DuPont) are obtained mainly by the direct polymerization of formaldehyde. Copolymers are highly resistant to alkaline m...

Kunststoffe international, 2009-06-16, Plastics in the Fast Lane
...ve. The continual development of new special grades is also increasingly improving the application potential of plastics. For example, Honda is using a special POM grade to produce door handles with a bright metallic look (Fig. 1 right): Hostaform POM “Metallic” allows cost-and time-optimized production of the component. The copolymer achieves the required high-quality metallic effect without the need for the additional painting, coating and vacuum metalizing operations previously required to pr...

Kunststoffe international, 2010-09-24, Local Orientations Integrated
...or determined in the experiments. Fast tensile tests provide σ-ε curves with high elongation rates. Calculating the Tension The σ-ε behavior of the thermoplastic matrix is determined for two materials: a polyoxymethylene (POM, grade: Hostaform C9021, manufacturer: Ticona approximated by using the two-parameter approach (Fig. 4). If the matrix’s behavior of elasticity is non-linear, the stiffness matrix cannot be quoted directly. Firstly, the compound’s stiffness is subject to stress, and secondl...

Kunststoffe international, 2010-09-24, Sustainable and Efficient
...stic processes entailed. Hall 6, booth C76 Ticona Enhanced Variability of POM Ticona GmbH, Kelsterbach, Germany, will present its latest novelties in the area of high-impact POM. Developed on the basis of the recently introduced S-types, Hostaform XT 20 completes the existing portfolio. If compared to other high-impact modified polyacetales, Ticona”s S-grades feature improved impact resistance, in addition to improved sliding friction behavior and improved chemical resistance to fuels. The Hosta...

Kunststoffe international, 2011-04-25, Alternating Temperature Technology Controls Parts Properties
...g (Fig. 4). As a result, it can effect an 80°C change in temperature in the mold inserts within 10 s. The machine tells the valve controller whether cold or warm fluid is to be conveyed into the mold circuit. For the type of POM used (type: Hostaform C9021, manufacturer: Ticona GmbH), this highly dynamic temperature control allows the mold temperature to be brought to the level of the crystallization temperature: with the wall at a temperature of 150°C, the POM melt is injected into the cavity. ...

Kunststoffe international, 2011-04-25, Chemical Cross-Linking During Fires
...rk structure suppresses combustion supporting diffusion processes [3]. The chemical basis of the newly developed flame retardant system are components such as polyoxymethylene (homopolymer POM-H, Delrin from DuPont) as well as POM copolymers (POM-A, Hostaform T 1020; POM-B, Hostaform S 9224; POM-C, Hostaform S 9063; POM-D, Hostaform C 27021; from Ticona), phenolic Novolak (these are phenol formaldehyde resins, produced with a formaldehyde to phenol ratio of less than 1:1; Novolak: Mw=1,943 g/mol...

Kunststoffe international, 2011-10-17, Polyoxymethylene (POM)
...utomotive industry is making even stricter demands for interior application. The POM producers are reacting with new emission-optimized POM grades. In foresight, Ticona has further improved its already low-emission Hostaform XAP grades in the 2nd generation. The new Hostaform POM XAP2 Series achieves emission values which are still far below the stringent limit values set by the European automotive industry and which also satisfy the demands of the Asian manufacturers (Fig. 3). Other producers a...

Kunststoffe international, 2012-07-23, Influence on the Ongrowth Behavior of Tissue Cells
...n which promote a selective ongrowth of fibroblasts on implants. Materials are used for the studies which are generally approved for applications in medical technology, but not as implant materials: MABS Terlux 2812 HD (manufacturer: BASF SE), POM Hostaform MT24U01 (manufacturer: Ticona GmbH), PA 12 Grilamid L20 natural (manufacturer: EMS-Chemie AG). The thermoplastic materials are molded into microstructured test specimens on a micro-injection molding machine (manufacturer: Wittmann-Battenfeld ...

Kunststoffe international, 2012-11-26, Frequency-Dependent Behavior of Plastics
...iment as closely as possible. The method has been tested on and validated for different materials, including a polycarbonate (PC) (grade: Makrolon 2205;manufacturer:Bayer MaterialScience AG, Leverkusen, Germany) and a polyoxymethylene (POM) (grade: Hostaform C27021; manufacturer: Ticona GmbH, Sulzbach, Germany). The outcome of applying this method to a rectangular bar made of PC is illustrated in Figure 2, which shows the change in transmission function versus the frequency for the selected posi...

Kunststoffe international, 2012-11-26, Joining of Dissimilar Materials
...wide range of combinations of thermoplastics without the use of extruded intermediate films (Title photo). The mechanical properties depend here very strongly on the selected material combination. For example, a bond between POM (grade: Hostaform C 9021, manufacturer: Ticona GmbH, Kelsterbach, Germany) and PA6 can be produced with a high breaking force of FB = 336 N, while the bond between POM and PP has an approx. 40 % lower breaking force. By contrast, the bond between PP and PBT (grade: Ultra...

Kunststoffe international, 2014-10-10, Polyoxymethylene (Polyacetal, POM)
...ch accounts for more than 50 % of market share. Commensurate with its consumption, China has now also become the largest producer of POM, followed by Europe, the USA and South Korea.The current market leaders are Celanese Corp., Dallas, Texas/USA (Hostaform, Kematal, Celcon); DuPont AG, Wilmington, Delaware/USA (Delrin); Polyplastics AG, Tokyo, Japan (Duracon), Korea Engineering Plastics Co. Ltd., Seoul, South Korea (Kepital); Mitsubishi Chemicals Inc., Tokyo, Japan (Lupital); and BASF SE, Ludwi...

Kunststoffe international, 2017-11-29, An Attritional Rendezvous
...havior, POM is frequently used as a construction material. This results from the low frictional resistance and the high abrasion, wear, and fatigue resistance of the polyacetal. The major trade names and their manufacturers are: Delrin (DuPont), Hostaform (Celanese), Ultraform (BASF), and Kepital (KEP). By adding PTFE, it is possible to combine its good sliding properties with the high mechanical strength of POM [1].PTFE belongs to the group of semicrystalline thermoplastics and is marketed unde...