Post on 07-Apr-2018
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E N G I N E E R I N G P O L Y M E R S
Technical textilesHigh-performance plastics for versatile andchallenging functions
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Materials with unlimited
possibilitiesTechnical textiles and composites arepenetrating an increasingly wide rangeof applications today because of theirinnovative potential. In these variousapplications, they are fulfilling manydifferent functions such as:
Filtration of liquids (e.g. fuels, oils) orgases (e.g. industrial flue gases) Insulation and protection from hightemperatures or mechanical forces
(e.g. cable sleeves, protective clothing) Reinforcement (e.g. elastomer hoses,structural components) and support
(e.g. seat upholstery) Transport (e.g. conveyor belts)
Higher requirements and strict envi-ronmental and safety regulations meanthat increasingly many of these func-tions can only be fulfilled with espe-cially developed engineering polymers.Plastics from Ticona are often used asthe base manufacturing material forfibers, filaments or films. Processed
into nonwovens, fabrics, prepregs andothers, they find application in prod-ucts such as high-performance filtersor composite components.
Excellent properties
Ticona supplies a broad portfolio ofhigh-performance polymers for techni-cal textiles and composites. Theseespecially developed plastic gradeswith different viscosities can be easily
processed on conventional melt spin-ning machines and extruders because of
their very good melt stability and highpurity. In addition, excellent chemicalresistance, thermal stability, insulatingand mechanical properties help themmeet continually increasing require-ments in a wide variety of industries.
Dual protection for the
environmentEngineering polymers also make itpossible to develop recycling-friendlysolutions for an entire element.Fortron PPS, for example, is used tomake high-performance filter media,but can also be employed in numerousother components, including sup-porting elements, end screw connec-tions and seals, which can be injectionmolded from the same plastic. Since
the complete filter system consists ofa single material, it is easy to recycle.
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Elastomer hoses reinforced with high-tenacity Fortron PPS multi-filaments withstand the harsh environments under the hood.
Strong polymers
for growing marketsMany industries today already relyon the performance of technicaltextiles and composites made fromhigh-performance plastics by Ticona.The following are just a few selectedexamples:
Elastomer hoses outstanding
performance under the hoodIn the new generation of hydraulichoses for vehicle power steeringsystems and charge-air hoses for turbodiesel engines, high-tenacity multi-filaments made from Fortron PPShigh-performance plastic are used toreinforce the elastomer hoses. Thanksto the reinforced layer made from PPSmultifilaments, which combines highstrength with good elongation under
varying pressure loads, oscillations,vibrations and noise can be effectivelyreduced and driving comfort increased.In charged-air hoses, the FortronPPS reinforcing material provides therequired operating strength at highturbocharger pressures and tempera-tures up to 200 C, ensuring reliableand continuous engine performance.
Monofilaments made of Riteflex TPC-ET offer new possibili-ties for modern and light-weight seat design.
Seat fabrics forincreased design
freedomIn designing seats whether for cars, aircraftor the office it isimportant to strike theright balance. Often, thepriority is to save weightand space while opti-mizing recyclability byreducing materials andusing the fewest possi-ble plastics. At the same
time, these requirementsmust not be fulfilled atthe expense of comfortor functionality. Seat-sup-porting textiles produced withelastic filaments made from RiteflexTPC-ET enable designers to replacethe usual metal springs, upholsteryand/or foams. These thermoplastic
polyester elastomer grades arecharacterized by high, rubber-likeresilience and fatigue resistance.Thanks to their good abrasion resist-ance, dyability and aging resistance,Riteflex TPC-ET filaments are
suitable not only as a supportinglayer within a multilayer seatstructure but also as an upholsterycovering material.
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Fortron PPS monofilaments provide a longer life for conveyor beltsdue to very good hydrolysis and mechanical properties.
Filter systems for environ-mental protection
Besides the automotive industry,other highly challenging applicationsectors in which technical textiles areused include the chemical and en-ergy industries. In these applications,
Ticona plastics have to withstand hightemperatures and aggressive chemicalssuch as solvents, flue gases, hydraulicoils and fuels.
In many gas and liquid filtration proc-esses, for example, nonwovens madefrom Fortron PPS are used becauseof their excellent chemical resistance athigh temperatures and product purity.In meltblown nonwovens with basisweights of 10 g/m2 to 400 g/m2 or gra-dient filters, PPS ensures a very long
filter service life despite extremelychallenging conditions.
In waste incineration plants and coal-fired power stations, the characteristicstrengths of polyphenylene sulfideare also exploited, including goodresistance to acid gases and hydrolyticresistance at operating temperatures ofup to 200 C. Filter bags made fromPPS staple fibers are therefore state-
of-the-art technology for separatingair pollutants and dust particles fromindustrial flue gases.
For filtration of fuels and oils in theautomotive industry, the thermoplasticpolyester Celanex PBT is used. Thismaterial offers the advantages of very
high flowability, a wide processingwindow and low shrinkage. For exam-ple, meltblown nonwovens with veryfine fiber structures (
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Composites based on Fortron PPShave excellent inherent flame retar-dancy, low smoke density and a highoxygen index (Limited Oxygen Index/LOI > 50%). They are resistant tokerosene, hydraulic oils and deicers.Compared to aluminum, PPS compos-ites have excellent mechanical proper-
ties, withstand extreme temperaturevariations, and permit weight savingsof up to 50 percent.
Automotivemanufactur-ers today are alsomaking increasing useof composites in motorvehicles to cut weight andcosts. For instrument panels,front end modules, roof systems,
gearbox and pedal components,Celstran LFT is now oftenthe material of choice. This
long-fiber-reinforced thermoplastichas better mechanical properties
than short-glass-fiber-reinforcedmaterial and is therefore
a suitable replacementfor metals or pressure
diecastings. The ad-ditional plus with
Celstran LFT:
its high impactresistanceresults in anexcellent crashbehavior.
Ultra-high purity for medicaltechnologyThe US Food and Drug Administra-tion (FDA) and European regulatoryagencies specify very high require-ments for engineering plastics usedin medical applications. Biocompat-ible, especially tailored MT polymer
grades offered by Ticona meet therelevant approval criteria, are suitablefor different sterilization methods andcan therefore be used in the medicalsector, e.g. for filter applications.
Ticona MT grades comply with the demanding regulations of the medical technology market.
Composite components made ofFortron PPS help the aircraft industryto reduce weight.
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Polymers for many potential applicati
Polymer Properties
FORTRON PPS
Polyphenylene sulfide Very good processability for melt spinning and extrusion Temperature resistance up to 200C Very good chemical and hydrolysis resistance Inherent flame retardancy Good fiber-matrix adhesion for composites, e.g. with carbon, glass and aramid fibers Excellent mechanical properties Low smoke density High limited oxygen index (50)
Special grades: FDA, food contact
Vectra LCP
Liquid crystal polymers Unreinforced grades for melt spinning / extrusion Temperature resistance up to 240C Very good chemical and hydrolysis resistance Inherent flame retardancy High limited oxygen index (38) Excellent mechanical properties for high tenacity fibers and filaments Low creep Excellent cut resistance of fibers and filaments Very good electrical insulation & barrier properties
Low water absorptionCelanex PBT
Thermoplastic polyester Wide range of viscosities Excellent flowability with high melt stability for meltblown nonwovens Production of extremely thin fibers possible (< 1 m) Wide processing window Higher crystallinity and lower shrinkage than PET Good resistance to high temperatures and chemicals, e.g. fuels, oils Special grades: FDA, food contact
Riteflex TPC-ET
Thermoplastic polyester elastomers Wide range of hardness: Shore D 25-77 Very high resilience Excellent fatigue resistance Very good chemical resistance Maintain property profile over a wide temperature range from -40 to +120C Easy, cost-efficient processing Specialties: UV resistance, halogen-free flame retardancy, colors, FDA, food contact
Celstran / Compel LFT
Long-fiber-reinforced thermoplastics matrix:consisting of standard/engineering polymers,e.g. PP, PA, PBT and high-performance plastics
such as PPSReinforcing fibers: aramid, glass, carbon,stainless steel filaments (30 60% content)
Excellent mechanical properties and crash behavior High impact and notched impact strength Low creep
Mechanical property profile is maintained over a wide temperature and climate range Special electrically conductive grades for shielding and static charge dissipation Recycling concept
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ns in technical textiles
Further processing Applications (selected)
Mono- and multifilaments Short fibers and staple fibers Binder fibers Meltblown/spunbond nonwovens Staple fiber nonwovens Films
Filters for aggressive gases, e.g. flue gas desulfurization units Filters for aggressive liquids, e.g. fuels, oils, solvents Dryer fabrics and conveyor belts for a wide variety of applications Reinforcement of elastomer hoses Cable sleeves, insulation materials, gaskets Flame-retardant protective clothing Composite components in the aviation industry, e.g. wing leading edge,
ailerons, seat elements
Mono- and multifilaments Short fibers and staple fibers Meltblown/spunbond nonwovens Staple fiber nonwovens Films
Ropes and belts Reinforcement of rubber goods, e. g. tires, drive belts, hoses Flame-retardant and cut resistant protective clothing Insulation materials Sports equipment, e. g. sail cloths Reinforcement of composites
Mono- and multifilaments Staple fibers Meltblown/spunbond nonwovens Staple fiber nonwovens Binder fibers Films
Filtration of a very wide variety of gaseous and liquid media,e.g. fuels, oils
Insulation materials Thermal bonding of spunbond nonwovens
Elastic mono- and multifilaments Staple fibers Meltblown/spunbond nonwovens Staple fiber nonwovens Films
Seat support and upholstery fabric for virtually any form of (car)seat to bedroom furniture
Cable sleeves Elastic filter fabrics Conveyor belts Wide variety of hoses Medical applications, e.g. infusion tubes
Composite components Extruded semi-finished products,
e.g. sheets, tapes
Blow molded parts Injection molded parts
Components exposed to high mechanical stresses (metal replacement) Structural components of all types, e.g. instrument panels,
front end modules, roof systems, seat and pedal components
Colored visible parts Hard-soft combinations Outsert molding
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Plastics know-how
at first hand
TI-BR1038E04.2
008
Ticona, a business of Celanese Cor-poration, is a leading global manu-facturer of engineering polymers. Formany years, the company has beenestablished in key markets for injec-tion molding applications, such as theautomotive, electronics and telecom-munications industries and medical
technology. Because of their outstand-ing performance, the plastics used inthese sectors also offer highly promis-ing potential for other technologiesand applications particularly forextrusion. Through the targeted de-velopment of special polymer grades,new applications have been opened
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up over the last few years in the areaof fibers, nonwovens and films fortechnical textiles and composites.
Ticona is more than just a raw materialsupplier. As a polymer manufacturer,Ticona provides a comprehensivetechnical service for its customers.
This includes not only in-depthproject consulting but also support inmaterial selection and developmentand recommendations on optimizingproduction processes. In the area ofinjection molding, customers alsoreceive assistance with component andmold design and CAE calculations.
DISCLAIMER: The information contained in this publication should not be construed as agreeing or guaranteeing specific properties of our products. It is the sole responsibility of users to determine the suitability of a particular
material and part design for the intended application. We strongly recommend that users obtain and follow the manufacturers latest instructions for use of the materials selected. Any existing industrial property rights must be
observed. PHOTOS: BWF, DaimlerChrysler, Diolen, Sedus Stoll
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