Reinforce - PP - Hexpol TPE

Plastics Technology, 2004-06-01, Lava-Based Fibers Reinforce Composites
...the more unusual developments exhibited at the JEC Composites Show in Paris in April. Other news in reinforcements at the show included high-tensile polypropylene fibers and new carbon fibers and 3D f...

Kunststoffe international, 2005-11-21, A Home Game for the Italian Plastics Industry: Rendezvous in Milan
... believes application areas lie primarily in the medical and pharmaceutical sectors, such as the production of small tubes with x-ray contrast strips. Rossi Stamp, Bando, has announced a new concept called “Fibreplas” for extruding fibre-reinforced profiles. It can produce a profile reinforced in certain areas to fulfil specific mechanical requirements (Fig.7). Rossi Stamp sees potential for increasing the flexural strength by up to 500% relative to conventionally extruded profiles. Since there...

Kunststoffe international, 2005-11-21, Bonding of Plastics
...g experts can acquire special knowledge on the bonding of plastics in the advanced module "Plastics and Other Materials". This module focuses on material properties, special pre-treatment regimes for activating surfaces, and bonding of fibre-reinforced plastics (GRP, CRP, SMC, and BMC). Practical work under comparable conditions enables the trainees to prove their mettle. Final exams and oral tests ensure that the requisite skills levels have actually been attained. These training course...

Kunststoffe international, 2005-11-21, Broadly Based: Berstorff Enters New Markets
...n at the last Interplastica in Moscow. For us, the topic of film and sheet technology is important. With the integration of Berstorff’s subsidiary KMB Seide Technologie as specialist in the field of polishing roll technology, we were able to reinforce our presence in this promising market technology. Russian compounders are also among our key markets. We have an outstanding working relationship here with, for example, Polyplastik, which, with a market share of 50%, is now market leader in the fi...

Kunststoffe international, 2005-11-21, Driving the Automotive Industry: Engineering Elastomers
...n: ozone-, weather- and fire-resistant hydraulic hoses for the maritime sector with an inner core of NBR and a CR outer layer. Both elastomer layers have good adhesion to steel wire reinforcement, withstanding bursting pressure peaks of 400 bar and continuous pressure loading of 300 bar. The estimated demand for NBR (service temperatures from –40°C to 125°C) is 380kt/a. The Chinese market is estimated to be 70kt/a. The complex product range comprises gasoline and oil-resistant hoses, seals, roll...

Kunststoffe international, 2005-11-21, Fibre Composite Parts: Automated Preform-RTM Production
...moulded part (Fig.1): 1. The starting products are produced (woven fabric, multiaxial non-wovens with reinforcing fibres in glass or carbon filament yarn). 2. The semi-finished products are sewn into an intermediate product, the so-called tailored reinforcement (TR) on the sewing unit (fixing them with a polyester thread and/or reinforcing them with carbon filament sewing yarn). 3. The textile preform is cut out with near-to-final contours, such as along the fixing seams. 4. The textile preform ...

Kunststoffe international, 2005-11-21, Flame Retardants: Growing Demand
... fundamentally suitable for halogen-free grades of engineering polymers in electrical/electronics applications and has met with a great deal of interest. The new Clariant grades Exolit OP 1311 and 1312 have been specially developed for glass-fibre reinforced polyamides. Both flame retardants are noted for their high CTI (Comparative Tracking Index) of 600 volts and their low compound density. Only small amounts need to be added in order to achieve fire-retardant classifications such as UL 94 V0 ...

Kunststoffe international, 2005-11-21, High-grade Bath Concepts: Pampering the Senses
...ferent composite concepts that give such bathtubs the necessary stability owe their success to an invisible composite partner: polyurethane. Polyurethane provides excellent adhesion to other materials, makes them easy to process and affords adequate reinforcement even without glass fibres. Paul Henrichs For many people, the idea of a plastic bathtub drums up a rather sombre association of a dull bathroom in a tourist hotel. Yet plastic bathtubs, which were first introduced onto the market ab...

Kunststoffe international, 2005-11-21, Homogeneous Compounds
... process is influenced to a decisive extent by the speed of the main spindle, the speed of the stuffing unit, the temperature, the diameter of the restrictor ring and the number of planetary spindles. Increasing the speed of the main spindle will reinforce the conveying mechanism based on the inclined teeth and reduce the residence time (Fig.4) while, at the same time, increasing the degree of material shear through increased “rolling out”. The compound temperature and power input will be eithe...

Kunststoffe international, 2005-11-21, Injection Moulding Compounders: IMC Technology Opens Up New Fields of Application
...l come under very high mechanical loads. High shot weights can only be achieved with large metering strokes of the screw. This reduces the effective screw length and also, to a comparable extent, the melt homogeneity. To improve the production of reinforced large-volume parts, Krauss-Maffei Kunststofftechnik GmbH has developed a system that combines the advantages of injection moulding and extrusion. The injection moulding compounder was first presented at K2001. Its characteristic feature is th...

Kunststoffe international, 2005-11-21, Injection-Moulded Packaging
...ity and lighter packaging remain the most important goals. The container shown in Fig. 1 illustrates the extra functions. The demand for functionality and consumer protection is fulfilled by the provision of a safety closure. The edge area has been reinforced by additional braces. These features increase the complexity of the packaging so much that it cannot be implemented in this form by thermoforming. Consumer appeal is promoted by the use of highly transparent PP grades [4]. The incorporation...

Kunststoffe international, 2005-11-21, Joining Technologies: Lightweight Hybrid Structures
Transportation Lightweight Hybrid Structures Joining Technologies. The development of loadbearing hybrid structures has a key role to play in the competitive use of continuous-filament- and textile-reinforced plastics for high-performance products made by lightweight construction. The joining technologies required for this must be optimally matched to the material structure of the joint components to ensure transfer of high load forces. Werner Hufenbach Lothar Kroll Olaf Helms In modern lightw...

Kunststoffe international, 2005-11-21, Market and Trends: Nanomaterials: Opportunities and Risks
...astics nanotechnology. As new polymer additives, nanocomponents can produce massive property changes in established plastics even when present in small amounts. The multi-faceted spectrum of applications for plastics nanotechnology extends from nanoreinforced blends and plastics with self-cleaning and scratch-proof surfaces to nanotronics and photonics, electrically conductive plastics, halogen-free flame retardants, nanofoams, tear-resistant elastomers with adjustable damping characteristics, b...

Kunststoffe international, 2005-11-21, Market News
...us activities in the two other segments will enhance the company’s expertise in the polymer market. The focus at Lanxess will be on tried-and-tested, “mature” products. Taking this as a starting point, the company is looking to reinforce its efforts at moving into attractive market segments, which may start off as niche markets, but still promise a high growth potential. Degussa Polyether facility in the US Degussa AG of Düsseldorf/Germany, has started a new polyether faciltiy in Hopewell, Virg...

Kunststoffe international, 2005-11-21, Nanocomposites - En Route to Application
...ill be lost. Since nanoparticles have high specific surfaces, agglomerates can form with just slight interparticle surface interactions already. If dispersion and network generation are completed successfully, then the polymers will be efficiently reinforced. During deformation, the entire specimen volume is involved in the micromechanical processes involved in energy dissipation at the tip of the crack (multiple plastic deformation). Improved stiffness/strength/heat resistance/impact strength-b...

Kunststoffe international, 2005-11-21, New Developments and Trends: Functional Fillers
...PVC in terms of price, processability and mechanical/electrical properties. This example, too, shows that calcium carbonate is not just a filler but has an important functionality as a necessary synergist. Talc Used Mainly to Reinforce Polypropylene Talc is the most important filler for polypropylene and demand in Western Europe (2004) is in the region of 200000 tonnes/annum. Talc is used primarily for its reinforcing effect in PP. Fine talc is also employed as a nucleating agent. Compared wit...

Kunststoffe international, 2005-11-21, Perspectives at the Start of a New Millennium
...in this regard. The point is made that the mechanical limits of plastics, e. g., elastic modulus and strength, are by no means fully exhausted and that further potential applications remain to be found. Carbon-fibres will become cheaper and plastics reinforced with them will find more widespread use. One Delphi forecast is about to become reality: light-emitting diodes (LEDs). Whether inorganic materials or polymers will make the breakthrough is yet to be decided [3], but highly promising develo...

Kunststoffe international, 2005-11-21, Pipe Design: Optimised Static Design – Fast Cycles
...ment now makes it possible to optimise pipe connections in injection moulded containers by suitable design so that the stress concentration occurring at the weak points is considerably reduced. Unlike previous solutions with ribs or wall thickness reinforcement, the alternative described here also has the advantage that it does not cause void formation or sink marks or prolong cycle time. Reduced Component Strength To minimise the stresses in the container wall while providing the largest poss...

Kunststoffe international, 2005-11-21, Product Marketing: Global Trends in Packaging Design
...ular image of the product and its range of strengths. Imagine that Nirvana Natural presented itself in an unprepossessing white bottle. Interchangeable with that of other products, and without a particularly striking design. A package that does not reinforce the “natural ingredients” message. The defensive, unattractive packaging would also not support the case for a higher product price. There is a striking inconsistency between the expectations on the product and the visually perceived produc...

Kunststoffe international, 2005-11-21, PUR Composite Spray Moulding (PUR-CSM): Open to Many Different Applications
...(type: Multitec, manufacturer: Bayer MaterialScience AG) by the PUR-CSM method, chopped long glass fibres are sprayed together with the PUR mixture into an open mould. The materials are sprayed in multiple layers – solid or foamed, with or without reinforcement as required. Then the raw material system is allowed to cure in the open mould at ambient temperature within moderate mould cycle times. With this multi-layer spray application into an open mould and curing in air, only a single mould ha...

Kunststoffe international, 2005-11-21, Seizing the Opportunities for Structural Change
...concentrate strictly on in-house core competencies, and protect and defend them. The own core competencies may then no longer be enough to meet the latest demands. With a network of independent companies, there is then the opportunity to temporarily reinforce in-house competencies with external competencies. A company can then enter into this form of co-operation in the form of co-operative projects with competitors. Co-operative Projects Companies will form partial or temporary mergers in ord...

Kunststoffe international, 2005-11-21, Sports Equipment: Plastics at all Events
...indings with fibres oriented in the longitudinal direction. This gives the pole its hardness and flexibility. The outer layer is called the "sail". Four to eight windings of a triangular glass fibre cloth reinforce the pole at every point of maximum flexure. The number of windings determines the hardness. The harder the pole, the greater the height that is theoretically possible. The choice of the right type of pole to enable the vaulter to attain an optimum bending angle to make maximum...

Kunststoffe international, 2005-11-21, Transparency in Injection Moulding
...ed by empty areas full of air, which migrate during the subsequent plasticising process towards the screw tip. Air is drawn in, which affects the quality of the part in the form of bubbles or streaks. Long metering strokes and high injection rates reinforce this effect. Depending on the backpressure and screw geometry, the air can be forced out to the back again through the solid bed. Streaks, cloudiness: Inadequate rinsing in the screw channel, "dead corners" in the non-return valve and...

Kunststoffe international, 2005-11-21, “Competition Despite Cooperation“
...r considerations? Dinandt: We will certainly set up a pre-assembly site in East Europe in the coming 12 to 18 months. Ultimately, that is also a question of personnel resources. Kunststoffe: Are there plans to reinforce the Group with acquisitions? Dinandt: Let me answer that as follows: there are a range of activities, since optimisation of our product offering is part of the mpm Group’s philosophy. But there is nothing on which a decision can be made yet. Kunststoffe: In the present economic...

Kunststoffe international, 2005-12-08, News
...The chemical corporation will open up a competence centre for nanostructured surfaces in Singapore in 2006. This nanotechnology laboratory will allow the company to participate in the city-state's outstanding research infrastructure and will reinforce its Asian research network. At present, BASF employs 7,000 people in research in development world-wide with 5,000 working in Ludwigshafen/Germany. According to an estimate by the Centre for European Economic Research (ZEW), the innovative for...

Kunststoffe international, 2006-01-09, Continuous Fibres: Local Reinforcement of Injection Moulded Components
Composite Material Local Reinforcement of Injection Moulded Components Continuous Fibres. A new method based on using continuous fibres makes it possible to reinforce injection moulded components locally at the most highly stressed points. This method, in conjunction with suitable design measures, enables components to be produced that are economically competitive with metal-reinforced parts. Thorsten Koch Helmut Schürmann Injection moulding is one of the most economic and versatile production m...

Kunststoffe international, 2006-03-29, Bioplastics: Converting Risks to Opportunities
...is Chairman of European Bioplastics (formerly IBAW) in Berlin; kaeb@bioplastics.org Title photo. The highly transparent and crackly films made from polylactic acid (PLA) reinforce the impression of freshness (photo: Treofan) Fig. 1. Selection trays for milk chocolates supplied by the Australian company, Plantic, are produced from starch and dissolve immediately on contact with water (photo: Nestlé) Fig. 2. Everyday horticultural articles such as mulching film, plant pots and twine based on co...

Kunststoffe international, 2006-09-27, Integrated Module: From the Interior Trim to the Door
...an thank the tool and mould making sector for a major advance in production. BMW’s decision to collaborate with the Magna Group’s Magna Closures and Intier Automotive Interiors UK in manufacturing the door module of the new Mini from glass-fibre-reinforced PP should not be regarded as just a substitution of sheet metal. The new door concept offers signifi-cant advantages to the design-loving and cost-driven automotive indus-try. Heinz-Jürgen Rottig From now on, that is the car door.” With those...

Kunststoffe international, 2007-07-18, Artificial Nutrition from Beverage Bottles
...oxidation, an autocatalytic chain reaction triggered by free radicals. Lipid oxidation during the storage of packed artificial nutrition solutions leads to the loss of essential fatty acids. This loss increases with time and temperature and can reinforce the body’s inflammatory defense reactions in sick persons. Storage of the artificial nutrition solution in a cool place, away from light, is thus absolutely essential [2]. Packaging of Nutrition Solutions In view of the many different interact...

Kunststoffe international, 2007-09-19, Energy Efficiency Taking on Increasing Importance
...hance the functions offered by individual components and/or reduce their dimensions and weight without impairing their reliability. Weight savings of some 12kg are thus achieved through a new generation of injection molded structural inserts that reinforce the bodywork on the Citroen CF Picasso. These are made of the glass fiber reinforced polyamide 6, Durethan BKV 35 H2.0, from Lanxess AG, Leverkusen, Germany. Apart from the substrate, the structural inserts comprise a high-density structural ...

Kunststoffe international, 2008-02-29, Economical Weight Reduction
...ny. Underlying the concept is a hybrid load-bearing structure that supersedes an up to three-shell steel structure. It consists of a galvanized sheet-steel shell treated with adhesion promoter. In the conventional molding method, a stiffening fiber-reinforced polypropylene rib structure is sprayed on. The design of the tailgate can be altered completely by changing the plastic panel. The fact that the supporting structure is open at one side makes it easy to accommodate e.g. rear window wipers,...

Kunststoffe international, 2008-05-08, A Living Organism for Rapidly Available Prototypes
... – and not just in response to a sudden call", continued the managing director of Element. Since this is not generally possible due to time considerations, a fully-designed part is naturally the better alternative. Transparency to Reinforce Competitiveness Holy claims that the creeping erosion of prices constitutes a problem in the sector. He is expressly not referring to the gold-rush mood that prevailed during the early days of plastics prototyping, when virtually any price was paid for ...

Kunststoffe international, 2008-08-14, Pearlescent Polymers
...on of two or more waves of any kind (e.g. sound or light waves) by the superposition principle, i. e. by addition of the amplitudes. If the waves cancel each other out, the term destructive interference is used. If the amplitudes reinforce one another, it is called constructive interference. Where there is reflection at optically thin transparent materials, interference colors can be observed. They are created by the superposition of the light rays, which are reflected at the surface of ...

Kunststoffe international, 2008-10-17, Polyphenylene Sulfide (PPS)
...ave to withstand aggressive, hot conditions in exhaust gas for five years and longer. PPS is also used in the form of monofilament in conveyor belts and sieves where other plastics and metals fail. In the automotive area, PPS multifilaments reinforce rubber hydraulic pipes (Fig. 4), because PPS braidings survive the vulcanization conditions for rubber unscathed and can compensate strong surging and extreme pressure variations in the pipe thanks to its materials properties. Further use p...

Kunststoffe international, 2008-10-17, Styrene Copolymers (ABS, ASA, SAN, MABS)
...ABS of 8.1 million t/a [3, 4]. To meet increasing demand, ABS capacity will be further expanded in coming years, particularly at Asian sites. The processes of concentration and restructuring in the industry that have been ongoing for some years will reinforce the trend towards efficient, modern large-scale plants. ABS: The world’s most important ABS manufacturers are listed in Table 2. The biggest producers are the Chi-Mei Group of Taiwan and the Korean LG Group. Around 75% of world capac...

Kunststoffe international, 2009-04-16, Spray Manufacture
...ost all market areas, it believes itself to be well-positioned to continue defying the current crisis. PU spray systems have become a key mainstay for Hennecke. This year’s twoday event focused first on the use of filled polyurethane systems to reinforce bathtubs and shower trays and, on the second day, on the PUR-CSM process variant (Composite Spray Molding) for manufacturing spray-on skins for both the automotive and non-automotive sectors. Spray-impregnated Bathtubs without Fiber Reinforceme...

Kunststoffe international, 2009-07-16, Accustomed to Change
...nities, not as threats – that would put us back on the road to success. Germany is an industrial country and also the number one plastics location in Europe. We research, develop and produce for the global market. We will have to reinforce the positive location factors in order to keep it that way. The onus is on all of us to play our part.”

Kunststoffe international, 2009-07-16, Faster Weight Reduction
...material costs as well as the megatrends resulting from global warming. The key growth markets include industrial applications (primarily wind power) and aircraft. Compared with other materials, consumption is still quite low to date (Fig. 2). Fiber-reinforced composites based on carbon fibers are still considered exotic today. Although the market has achieved a quite interesting size, compared to traditional materials, the reliability and efficiency of the industrial processes employed must be ...

Kunststoffe international, 2009-11-19, Lighter, Stiffer, Stronger
...nd are employed in a variety of applications in automotive serial production. Auto makers are already using tailor-made inserts in automotive body shells (Title picture). Hybrid reinforcing elements made from Terocore foam combined with glass-fiber-reinforced polyamide (PA) are often used. The PA component is produced by injection molding. The structural foam can be processed by extrusion or injection molding, which allows great freedom in terms of three-dimensional shaping. Metal components can...

Kunststoffe international, 2011-06-20, Economic Multilayers
...th the low-expansion fillers, the thermal expansion coefficient of the insulating substrate is matched to that of the copper. These inorganic powders also have the advantage of costing considerably less than the woven glass fabrics normally used to reinforce FR4 substrates. Matching the thermal expansion coefficients prevents stresses being induced under thermal load, e.g. in the soldering process. Such stresses could lead to cracks in the vias or in the soldering material and so cause the board...

Kunststoffe international, 2011-08-24, Making Use of Natural Resources
...generation drop-in biopolymers because they can be produced in the same plants as conventional polymers based on fossil raw materials. This makes it unnecessary to invest in costly new machinery. Cellulosic Fibers Used to Reinforce PP Sustainability, biobased polymers, and renewable resources are the current catchphrases of the plastics industry. Driven by the escalating price of crude oil and the need to cut energy consumption and the carbon footprint, many polymer producers and the entire plas...

Kunststoffe international, 2011-09-23, Resource Efficient Lightweight Design for Mass Production
...s calls for novel types of lightweight design, in order to provide for economic large-scale production in integrated processes. To show just one example of the potential of hybrid lightweight design, this article will present an application of local reinforcement by continuous fibers, and will also provide information on a new tape laying process suitable for large series. Local Continuous Fiber Reinforcement – Tailored Injection Molding Provided the engineer knows the type of load acting upon a...

Kunststoffe international, 2012-02-24, An Alternative Modular Manufacturing Concept
...tion site. A contrary development has been the increasing trends towards individualizing the products and shortening product lifecycles. In many cases, this reduced the number of parts produced in one mold. Seasonal and cyclical fluctuations further reinforce the demand for maximum flexibility in injection molding. From the Injection Molding Machine to the Fully Integrated Production System The worst-case scenario in this context was the 2008/2009 global economic crisis. Manufacturing volumes ha...

Kunststoffe international, 2012-06-25, Technology and Nature Combined?
...ailable in quite large quantities. In 2011, the quantity of biopolymers produced worldwide totaled 1.4 million tonnes [1]. Similarly, the use of wood and natural fibers in the industrial sector is also growing. In 2010, the quantity of natural fiber-reinforced plastics (NFRP) and wood flour-filled plastics (WPC) used in Germany alone reached 166,000 tonnes [2]. By incorporating natural fibers or wood flour in plastics, the mechanical properties of the composites produced can be significantly imp...

Kunststoffe international, 2012-08-22, Foam Bridges Joint Gaps
...ult is fusion defects in the weld, which reduces the weld strength of the laser-welded part. Laser-induced Foaming To effectively bridge joint gaps larger than 50 μm during laser contour welding, special measures must be taken to reinforce the volume growth of the absorbent plastic during heating by the laser beam. Chemische Fabrik Budenheim KG has developed plastic additives for the LIS process which, on absorption of laser radiation, significantly assist the volume growth of the absorbent mate...

Kunststoffe international, 2012-08-22, Impregnating Natural Fibers in an Extruder
At first, natural fibers such as bast, hemp or flax were mostly used to reinforce compression molded thermoset parts in automobile construction. Meanwhile, however, there are also natural fiber-reinforced plastics for profile extrusion or for injection molding [1, 2]. Vis-à-vis glass fibers, natural fibers in the manufactured compound material offer lower density, less machine wear and improved noise and vibration damping [3]. Moreover, natural fibers are entirely recyclable and available all th...

Kunststoffe international, 2012-09-17, Integrative Simulation of Hybrid Composite Parts
Classic hybrid technology combines metal forming and injection molding of polyamide 6. The function of the thermoplastic is to reinforce thin sheet metal profiles that tend to bend or buckle and in this way form light, high-strength structural parts. As previous developments of series production parts have shown, the weight of a hybrid part is 10 to 50 % less than that of the equivalent steel design. Costs also by 10 to 40 %. This is one reason why hybrid technology was initially adopted for the...

Kunststoffe international, 2012-11-26, Inliner for Automotive High-Pressure Natural Gas Tank
...epoxy resin), which is thermally cured after the inliner has been wrapped. A new lightweight construction approach to the design of natural gas tanks is based on thermoplastic, blow molded inliners, which are also wrapped with a carbon/glass fiber-reinforced thermosetting composite. These systems are up to 75 % lighter than solid steel tanks. This leads to a weight saving per vehicle of 3 to 4 %, which in turn also significantly reduces the CO2 emissions of the vehicle. Thermoplastics also offer...

Kunststoffe international, 2014-02-20, Ferromatik Managing Director: Getting Back to Where We Used to Be
... advising customers and process development. We are currently working on developing machines for medical technology, for example. This needs to be checked out in process engineering terms. And we want to reinforce and expand our lead in high-end packaging and turning stack mold technology – which I maintain we still possess. Kunststoffe: You mentioned medical technology. What, precisely, do you have in mind here? Schley: We will be taking specific machine sizes from two series and equipping them...

Kunststoffe international, 2014-05-07, Micro-Injection Molding: Two Machines and a Cleanroom Tunnel
...sults, for example via camera. The top part is characterized by three Luer cones. Two of these connections are used to feed the liquid samples to the system, via the third, the flow rate can be increased by applying a vacuum in order to reinforce the capillary effect. Otherwise, the plastic surface would have to be made hydrophilic, explains Gerald Plöchl, technical manager at Micro Systems, in a talk with Kunststoffe. After removal of the two parts and separation of the sprue, a camera checks t...

Kunststoffe international, 2015-09-18, Mass Reduction for Mass Production
... Transfer Molding) and processes derived from it, such as gap impregnation or wet compression molding, strike the perfect balance. They allow high fiber volume content in layup fabrics or preforms and make it possible to take into account and reinforce subsequent load paths in a targeted way. They permit the manufacture of extremely simple to very complex geometries with integrated functions.This functional integration is the key to economic carbon fiber composite components. Conventional metal ...

Kunststoffe international, 2015-10-12, Ready for Series Production
...ished in lightweight automotive construction, e. g. for the production of seat shells, underbody components, supports for electronic modules, and pedals. The matrix of the composites consists of polypropylene, polyamide 6 or other thermoplastics. To reinforce the matrix, woven continuous fiber fabrics, long fiber mats or nonwovens, e. g. made from glass, aramid, carbon or suitable blended fibers, are generally used. In woven fabrics, the fibers are usually arranged at right angles to each other,...

Kunststoffe international, 2015-10-12, Sustainably Produced Foam Mattresses
...) escapes in enormous quantities from homes, cars, factories, and power stations. More than 30 billion t CO2 are currently released into the atmosphere every year. Most experts, including the World Climate Council, are convinced that these emissions reinforce the natural greenhouse effect, so causing long-term changes in global climatic conditions – higher temperatures, melting ice, rising sea levels. Top priority is therefore being given to preventing carbon dioxide emissions – particularly by ...

Kunststoffe international, 2015-12-17, Pipes for Flying
...m of the joint project was to develop the technology for extruding rugged thin-walled aircraft-grade thermoplastic pipes with a wall thickness that can be varied online. This capability to vary the wall thickness can be specifically used to locally reinforce critical areas that arise from the use of the pipes in aircraft. Transitions in wall thickness occur continuously without any shoulders. PEI was chosen specifically for the development due to its excellent heat resistance and the relatively ...

Kunststoffe international, 2016-09-23, Secondary Carbon Fibers in Large-Scale Production
Now, with suitable recycling technologies in place, the continuing research focuses mainly on re-using the reinforcement carbon fibers from pre-processing steps in the production of fiber composites. Meanwhile, the industrial processing of such secondary carbon fibers for the production of sheet molding compounds has met with success. Sheet molding compounds (SMC) are flat moldable reaction resins with fluid properties. Usually, these SMCs are fiberglass reinforced. Figure 1 shows the processing...

Kunststoffe international, 2016-10-17, Polycarbonate (PC)
... and offer great design freedom in regards to the color and surface are an example.Thermoplastic Composites and 3D Printing with PC FilamentsThe current trend towards lightweight construction using thermoplastic composites reinforced with continuous filaments also includes polycarbonate. Corresponding composites with a PC or PC blend matrix exhibit high strength and good stiffness with great design freedom. They are usually much more economical to process than comparable duromer systems. Covest...

Kunststoffe international, 2020-08-11, An Eye for the Essential
...heets comprising a fabric made from glass fibers or carbon fibers embedded in a thermoplastic matrix of PP, PA, PC or PEEK are already well established. Tapes represent a further variant of such composites. An advantage of these unidirectionally reinforced materials is the absence of fiber undulation, i. e. waviness, which is typically found in fabrics. The fibers in the component can already be optimally stretched for delivering higher structural performance. The use of tapes also eliminates th...