PPO - PPE - Saudi Basic Industries Corp. (Sabic)

Kunststoffe international, 2005-11-21, Adding Value through Quality and Technology
...example, have been integrated into the injection moulding process by the two-component technique. The seal for the rear housing is moulded directly onto the front housing. The loudspeaker and microphone seals, push-button switches and motherboard supports are already integrated when the injection-moulded parts are taken from the machine. These components used to be mounted in a series of downstream stations. In other MFS items for medical engineering, windows are inserted into the mould by means...

Kunststoffe international, 2005-11-21, Compounds and Blends Made to Measure
...f the characteristic profiles of polymeric materials through compounding and blending has made some recent innovations possible. Luvocoms are such compounds. They are increasingly based on technical thermoplastics, in particular PA, PC, PBT, POM and PPO, as well as increasingly on the high performance plastics PEEK, PAI, LCP, PPS, PPSU, PES, PSU, PEI and PPA. Specialities based on PEEK An important focus of Luvocom activities is on PEEK (manufacturer: Victrex, Hofheim/Germany) based compounds ...

Kunststoffe international, 2005-11-21, Custom-tailored Engineering Materials: Polyphenylene Ether (PPE)
...e temperature and frequency range and a low density compared to other engineering thermoplastics. These are complemented by superior resistance to hydrolysis and moisture uptake. PPE was introduced commercially in the year 1964 under the trade name PPO [1 to 3]. Because of its high glass transition temperature, high melt viscosity and the correspondingly high temperatures required for processing, plastication of pure PPE posed problems. It was discovered, however, that PPE is capable of forming ...

Kunststoffe international, 2005-11-21, Development History of Plastics: Growth through Changing Times
... of their development, which started before the 20th century and has been characterised by steady growth. It all began with galalith, celluloid and thermosets, while today polyolefins and other thermoplastics are the high-volume sellers. The growth opportunities for plastics today still appear to be almost limitless, as is demonstrated in today’s rapidly developing economies of Asia, with China the engine of development. Klaus G. Kohlhepp The predecessors of today’s plastics are known in all c...

Kunststoffe international, 2005-11-21, Gas - Not just because of the Cell Structure
...ck = rel. cavity pressure Fig. 3. Schematic representation of the angular distortion due to different thermal coefficients of expansion in tangential (αt) and radial directions (αr) Fig. 4. Physically foamed part: printer chassis, PPO with GF - weight reduction and minimisation of warpage (Photo: Trexel) Fig. 5. Homogeneously nucleated polyamide; at the bottom of the picture, the compact outer layer can be recognised; the wall thickness of the component is 2.5 mm. Fig. 6. Relativ...

Kunststoffe international, 2005-11-21, Growth Through Innovations and E-Commerce
...utomotive sector, for electrical engineering and electronics, and telecommunications. Prompted by calls from leading automotive manufacturers for reduced emissions and odours in their vehicles, new emission-reduced and low-odour polyphenylene oxide (PPO) materials (grade: Noryl) will be available for automotive engineering in future which have been specially designed for instrument panels. A further development is a modified PPO blend (grade: Noryl GTX) with a high thermal conductivity, for onli...

Kunststoffe international, 2005-11-21, IP Support: Lightweight Automotive Instrument Panel Carriers
IP Support: Lightweight Automotive Instrument Panel Carriers They are lightweight and cost-efficient and yet meet the high requirements of the automotive industry. With the development of a new generation of glass-fibre-reinforced PC+ABS blends, the manufacturer has succeeded in adding good PU foam adhesion to the typical properties of these blends, such as good toughness, rigidity and flowability. Uwe Koch-Reuss, Tom Schenkels, Dagmar van Heur Increasingly high demands are being made on t...

Kunststoffe international, 2005-11-21, Modified Polyphenylene Ethers (PPE)
...nown for its high heat resistance, high dimensional stability, low water absorption and good hydrolytic stability. For these reasons, PPE is an important blending partner for other polymers. Polyphenylene ether - also known as polyphenylene oxide (PPO) - was developed by General Electric Plastics and released onto the U.S. market in the early 1960s. Since the late 1960s, it has been available in Europe and Asia under the trade name Noryl. Initially, PPE was used as a pure resin. But it was soo...

Kunststoffe international, 2005-11-21, Morphology and Mechanical Properties: Blends of Polyamide 66 and Syndiotactic Polystyrene
Blends Blends of Polyamide 66 and Syndiotactic Polystyrene Morphology and Mechanical Properties. Blends of polyamide 66 and syndiotactic polystyrene only display enhanced mechanical properties if good compatibility exists between the two materials and an optimum morphology can be achieved. Different compositions of these blends were investigated in a study employing a compatibility enhancer. Materials of this type are attractive for the production of automotive components that are exposed to hi...

Kunststoffe international, 2005-11-21, MuCell Process: Microcellular Parts from the Injection Moulding Machine
...is unnecessary to modify the injection mould on conversion from conventional injection moulding to MuCell. - A wide range of possibilities are available for use [4] with filled/reinforced and unfilled thermoplastics, such as PA, PC, PP, PC/ABS, PPO, PBT, polysulphone and TPE. On the other hand, the MuCell process also has some limitations: - The foam structure is replicated on a smooth surface. - The part’s mechanical properties are changed. - If multicavity moulds are not carefully balanced, th...

Kunststoffe international, 2005-11-21, Multi-material Technology: Always One Step Ahead Thanks to Active R&D
... A4 from 1994 was manufactured by two-component injection moulding by the transfer technique. The mechanically coupled soft component was made of a Santoprene TPE. Because of the narrow manufacturing and assembly tolerances, the hard component was a PPO (grade: Noryl), which, as an amorphous thermoplastic, has uniform solidification behaviour and therefore low warpage. The thermal and mechanical properties of this material were adequate for requirements until the trend emerged to use the centre ...

Kunststoffe international, 2005-11-21, No Crash Helmets Needed in Cars
...201U required in the United States with minimum space utilisation [1]. The foams hitherto used for energy absorption in automotive applications were mainly based on polyurethane (PU), expanded polypropylene (EPP) and polypropylene oxide/polystyrene (PPO/PS) [2]. They are foamed with blowing agents into a largely homogeneous, porous structure with homogeneous cell structure. Their material properties are therefore largely isotropic. The new polypropylene foam, on the other hand, consists of paral...

Kunststoffe international, 2005-11-21, One-stop Shopping
...ons of shear. High thermal stability is also of importance if the parts are to be recycled. With its products Reofos BAPP and 507, Great Lakes has extended its range of non-halogenated flame retardants. Both products were developed for (PC+ABS) and (PPO+HIPS) blends, and have higher resistance to hydrolysis than comparable products. Typical applications include computer housings and monitors (front page photo). Metering Additives Economically and Safely With the introduction of no-dust blends ...

Kunststoffe international, 2005-11-21, Partners in the Market
... of the approximately 1200 independent compounders throughout the world. Of course, there are overlapping regions in which both categories of compounder meet each other on the market place as competitors. More important than this, however, are the opportunities that this results in for the two compounders to enter the market with complementary products. For example, combined purchasing can result in reduced material costs for both partners. Because of the many opportunities for collaboration, nu...

Kunststoffe international, 2005-11-21, Perfect optical symbiosis
... all the following parts are presently made of plastic (the data can vary according to automaker and passenger automobile class; typical materials are indicated in parentheses): - bumper (PP+EPDM, PC+PBT, RRIM), - spoiler (PP+EPDM, SMC), - wings (PA+PPO), - radiator grill (ABS, ABS+PC), - number plate-type designation carrier (ASA+PC), - mirror holder (ABS, ABS+PC), - tailgate (PA+PPO, SMC) as well as - frame protection mouldings (RRIM, TPO). In terms of quantity world-wide bumpers represent the...

Kunststoffe international, 2005-11-21, Plastics Gain Ground in Car Body Production
...°C (Fig.3; the latest development trends even show required process temperatures exceeding 200°C). To meet this requirement, the newly introduced polyamide/ABS copolymer TriaxLP3155 has been developed. Like the polyphenylene oxide (PPO)/ polyamide (PA) blends currently on the market, the new copolymer reliably fulfils heat resistance requirements in the temperature range in question. In addition to this, the material also has good dimensional stability (total shrinkage is around 30% lowe...

Kunststoffe international, 2005-11-21, Polyamide: Efficient Pipelining
...: the water passes back and forth through the heating block several times before it exits from the unit hot. Originally, such a heating block was made from ceramic materials. For cost reasons, this was replaced already years ago by a copper-clad PPO assembly. This assembly consisted of total of eleven individual components, among them four injection moulded parts and three seals (Fig.1, right). New All-plastic Solution The objective of the new design for the heating block was to develop an all-...

Kunststoffe international, 2005-11-21, Project Engineering of a Manufacturing Cell: Planning with Farsightedness
...g Plastics Group offers supply and integration of peripheral devices as well as project management as services in addition to building efficient injection moulding machines. This integration operation of the machine-builder is exemplified by their support of the medium-sized firm HBW Kunststoffverarbeitung GmbH in Emskirchen/Germany in building up a production line for automobile interiors. Ornamental Trim for Motor Vehicle Interiors HBW-Kunststoffverarbeitung employs approximately 70 co-worker...

Kunststoffe international, 2005-11-21, PU Will Continue to Grow
...defined in every aspect". Expertly controlled foam-forming therefore continued to be a challenge and joint task for raw material manufacturers, additive suppliers and polyurethane plant manufacturers. Perfection of the process would open up opportunities for further refinement and novel products. PU Wings - Resistant to Minor Damage Although the higher costs of plastic wings made a significant difference in short and medium-length production series compared with steel components, explained...

Kunststoffe international, 2005-11-21, Safety Standard Increased
...vices. Halogen-free, flameproofed extrusion materials of the kind that have recently come onto the market offer specific advantages in this regard. Apart from halogen-free, flameproofed alloys of polyphenylene oxide and impact-modified polystyrene (PPO/HiPS), developments in extrusion applications in recent years have mainly taken place in alloys of polycarbonate and acrylonitrile-butadiene-styrene copolymers (PC/ABS). Unlike many other polymers, PC/ABS alloys can be easily rendered flameproof b...

Kunststoffe international, 2005-11-21, Styrene Copolymers (ABS, ASA, SAN)
...BS) blend suitable for online coating is considered to have excellent market prospects for plastic car body parts with a Class A finish. Its heat resistance under practical conditions is significantly higher than that of (PPO+PA) blends, which are the only other thermoplastics on the market suitable for the online coating of car body parts. Other strengths apart from its lower coefficient of thermal expansion include above all its higher stiffness and very good flow characteristics. Electrical/...

Kunststoffe international, 2005-11-21, The Crucial Question in Fire Protection
...hor of this Article François de Bie is Product Manager for Valox/Xenoy Resins at GE Plastics Europe, Bergen op Zoom/Netherlands. Contact: francois.debie@gepex.ge.com Fig.1. Plug made from flame-resistant, glassfibre-reinforced (PS+PPO) blend Table 1. Typical properties of PBT-GF30 containing flame retardant as virgin material and containing 50% recyclate of the same material Table 2. Amorphous polymers containing non-halogen flame retardants Table 3. Semicrystalline polymers contain...

Kunststoffe international, 2005-11-21, Tools: A Better Grip
...ood Adhesion to Rigid Substrates Thermoplastic vulcanisates in the Santoprene product range supplied by AES, Brussels/Belgium, have a pleasantly soft touch and bond to a large number of substrates, including PP, PA, ABS, PC, PS, ASA, PMMA, PET, PPO and PBT, as well as to corresponding material mixtures. The TPV grades in the B100 series can be used to apply a flexible material to a rigid substrate by means of the insertion process, two-component injection moulding or extrusion, without having t...

Kunststoffe international, 2005-11-21, Wear-resistant Needle Valves: Hot-runner Solutions for Extreme Demands
... hundredths of a millimetre. The cartridge frame is made of a material that, because of its dimensional accuracy, stiffness and mechanical properties, is also used for manufacturing gear boxes. This is a carbon fibre-reinforced polyphenylene oxide (PPO), which also meets the criterion of hydrolysis resistance. To seal the ink reservoir, which is not subject to heavy mechanical loads, a modified polyethylene profile is overmoulded in the frame in the form of a surrounding soft component. The pro...

Kunststoffe international, 2005-12-08, A Status Report (1): Versatility for Mass Production in MuCell Injection Moulding
...hat have already been implemented are functional parts for office articles with extremely high requirements on their dimensional stability. Since expensive raw materials are used here (engineering thermoplastics such as PPO or PC-GF), the process opens up a high savings potential through weight reduction. MuCell has also made inroads into the automotive sector as in-mould decorated articles for air-conditioning systems. The examples below show parts in which foam injection moulding has been comb...

Kunststoffe international, 2006-06-29, Study: Highly Qualified Specialists in Demand
...wth in recent years has been driven by increased consumption of PP compounds in major appliances but offset by the movement of manufacturing capacity to Asia. Engineering polymer compounds include polyamide, polycarbonate, PBT, acetals and PPO and their blends, which have been modified with various types of fillers or reinforcement agents. Production has been growing rather modestly at around 2% per annum over recent years, marked down by weak demand in the IT and telectronics sector. New grade...

Kunststoffe international, 2006-09-28, A Personal Opinion: Has Injection Moulding been Fully Exhausted?
...on that tie-barless machines, with their familiar advantages in particular application fields, also have to put up with affordable alternatives. But what about advances in machine technology? As a passionate engineer, I would like to use this opportunity to take up the cudgels for our more than six-millennium-old profession, to which the VDI and Carl Hanser Verlag have dedicated a book on the occasion of the VDI’s 150th anniversary. Indeed, the word “engineer” is thought to derive from the Latin...

Kunststoffe international, 2007-03-15, More Lightweight Construction for the BMW 3 Series Coupé and Convertible Models
...rgen Korzonnek, Robert Killermann With the market launch of the BMW 6 series in 2003 thermoplastic side panels found their first large-volume application in the BMW Group. This involves a polymer blend of polyamide (PA) and polyphenylene oxide (PPO; grade: Noryl GTX 963) from GE Plastics in Bergen op Zoom/Netherlands. The weight saving achieved by comparison with conventional side panels made of steel is about four kilograms per vehicle. Furthermore, the use of this thermoplastic side panel fu...

Kunststoffe international, 2007-04-17, Regrind for Swiss Precision
...jection moulding machines. (Fig.1). The smallest parts weigh 0.00025g and the diameter is of the order of 0.8 to 30mm. The materials used are high-quality, and therefore expensive, plastics such as liquid crystal polymer (LCP), polyphenylene oxide (PPO), polyoxymethylene (POM) and acrylonitrile/ butadiene/styrene copolymer (ABS), which are filled with up to 30% glass spheres to increase the mechanical strength. Against the background that over 90% of the shot weight is used for the sprue, there ...

Kunststoffe international, 2007-11-21, Highlights: Lightweight Construction and Bio
...s are needed for the lighting mechanisms. New Generation Side panels made of thermoplastic (in mass production) were used for the first time in the BMW 6 Series, which came on the market in 2003. A blend of polyamide (PA) and polyphenylene oxide (PPO) was used. Besides the lower weight of 4kg compared to steel, further advantages include the greater freedom of design and high reversibility, which prevents minor damage. The demand for an on-line lacquer finish came in the autumn of 2006 with th...

Kunststoffe international, 2007-12-17, News from the Joining Zone
...the cost of natural gas is significantly lower than that of electrically heated welding mirrors. The hot-gas welding machine showcased by KVT Bielefeld GmbH, Bielefeld, Germany, also yields very strong welds in such polymers as PA, PBT, POM, PPO and PPS which are difficult to weld. This method, which represents an advance on hot-plate welding, uses radiant heat to effect non-contact plastification of the joining zone in the heating phase (Fig. 5). Heat transport from the hot plate to the weld se...

Kunststoffe international, 2008-04-14, The Correct Material Choice
...specially in miniaturized components. Standard industrial tests, such as elasticity and flexural modulus, also indicate the suitability of materials for a particular design. Engineering thermoplastics, such as PC, PC blends, polyphenylene oxide (PPO) blends and special composites, e.g. from Sabic Innovative Plastics, Bergen op Zoom, Netherlands, can show good resistance to shock, flames and chemicals. Polycarbonates and their mixtures are known for their shock resistance and robustness. They als...

Kunststoffe international, 2008-09-23, Plastics, Electronics and the Environment
...n be applied where it can be protected from mechanical abrasion or chemical attack. Similarly, a powder coating where no VOCs are released can replace paints with high proportions of solvents. High temperature plastics, e.g. Noryl GTX, the (PA + PPO) blend of Sabic Innovative Plastics, withstand the high furnace temperatures for curing the powder coating. They can also contain a conductive filler and thus make the coating with a conductive primer superfluous. Fewer steps in the finishing...

Kunststoffe international, 2009-02-17, Peripheral Equipment with Transparency
...the microParts experts of the value of the Colortronic concept. From Octabin to Plastification Materials supply starts in a separate room containing five octabin discharge stations for PEEK and PPO as well as a container for PP. The plastics to be dried, PEEK and PPO, are delivered to the drying hoppers by pipes while the PP container is connected directly to the coupling station. The dryer unit consists of a Dry Flex dry air dryer and altogether five drying hoppers each having a capacity of 60...

Kunststoffe international, 2011-04-25, Flame Retardants: Restricted Boom
...olyquel 240 and 241 were specially developed for styrene copolymers (HIPS and ABS). A new halogen-free, solid biphosphate with high thermal stability, known as Fyroflex Sol-DP, is specially suitable for polycarbonate (PC), PC+ABS blends and PPO+HIPS blends. It melts during processing and can therefore be readily incorporated into the polymers. With its high phosphorus content of 10.8 %, it is very effective and achieves a UL94 V0 rating in PC+ABS blends with about 9 % addition. Fine Tuning of En...

Kunststoffe international, 2014-11-26, Compensation of Stresses in Intermediates
...f the sag results from the thermal expansion, the shrinkage due to relaxation of the internal stresses, the load exerted by the material weight and the spread during mechanical holding – generally using transport chains – and the air support during heating of the intermediate (spread and air support are machine-specific). If the sag changes during heating, it becomes more difficult to set a uniform temperature level in the intermediate as the distance between the surface of the intermediate and ...

Kunststoffe international, 2015-08-17, Exhaust Air Cross-Sections – How Large, How Many?
...material group 1 [mm]0.80.60.60.50.4Slots for material group 1 [mm]0.500.300.300.300.30Bores for material group 2 [mm]0.60.50.50.40.3Slots for material group 2 [mm]0.300.200.200.200.20Material group 1PSHI, ABS, OPS, ASA, SAN, PVC-U, PMMA, PC, PPO, PA6GF15Z, PA12, APET, PETG, CPET, PSU, PES, PPS, CA, PVDF, PEI, PLAMaterial group 2PP, HDPE, TPE, PAN, PAR, POM, COCValueApplication range0.4Vacuum forming, negative forming with pre-stretcher0.5Vacuum forming, positive or negative forming, always with...