WO2015049027A1 - Flächengebilde mit hoher temperaturstabilität - Google Patents
Flächengebilde mit hoher temperaturstabilität Download PDFInfo
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- WO2015049027A1 WO2015049027A1 PCT/EP2014/002469 EP2014002469W WO2015049027A1 WO 2015049027 A1 WO2015049027 A1 WO 2015049027A1 EP 2014002469 W EP2014002469 W EP 2014002469W WO 2015049027 A1 WO2015049027 A1 WO 2015049027A1
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- Prior art keywords
- polymer
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- sheet
- fabric
- temperature
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/062—Load-responsive characteristics stiff, shape retention
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/12—Vehicles
Definitions
- the invention relates to a sheet, preferably with high
- Sheet material of the type mentioned are already known from the prior art and are used in many fields, such as in the transport industry. Such fabrics contain
- Glass fibers Polyurethanes or polyesters.
- US 3 966 526 describes a method of manufacturing components for the automotive interior lining. These are made up of several foam-like layers of polystyrene resin. A disadvantage here is that these components are not recyclable and their disposal is therefore associated with high costs.
- ®STATIGU GSCOPY Another component for the automotive industry, namely a headliner, is shown in US 4,840,832.
- the headliner has polyester bicomponent fibers with a low melting binder component and a high melting stabilizing polymer.
- Automotive interior lining described. This has a multilayer structure.
- a layer of polyurethane foam is used, wherein one side of the polyurethane foam layer is provided with a further polyurethane foam layer. The other side is impregnated with an elastomer solution.
- an elastomer solution To dispose of the headliner a separation of the individual layers is necessary. This increases the
- US 4 211 590 shows a thermoformable laminate of a
- thermoplastic foam core After thermoforming, the laminate is hardened by cooling.
- a laminate is used for the interior lining of an automobile, in particular as a headliner.
- Another headliner for automotive interior lining is known from US Pat. No. 5,660,908. This consists of polyethylene terephthalate and has
- the invention is therefore the object of a sheet of the type mentioned in such a design and further that this low cost manufacturing high bending stiffness at elevated
- This sheet Has temperature, recyclable, mechanically strong and elastically yielding. This sheet is intended to be used in particular as a component for a means of transport.
- the aforementioned sheet is characterized in that it comprises a base body of at least one layer, wherein the at least one layer comprises first fibers comprising a first polymer and second fibers comprising a second polymer or wherein the at least one layer comprises uniform fibers which a first and a second polymer, wherein a cold-curing temperature of the first polymer at the softening temperature of the second polymer or below the
- Softening temperature of the second polymer is.
- cold crystallization is meant a crystallization which occurs after heating above the softening or glass transition temperature.
- Cold-curing temperature is the temperature at which a first exothermic maximum of free enthalpy occurs.
- exothermic is meant an energy release.
- softening temperature also called the glass transition temperature
- glass transition temperature is understood to mean the temperature at which wholly or partly amorphous polymers change from a highly viscous or rubber-elastic, flexible state into a glassy or hard-elastic state.
- Softening temperature is measured according to the invention according to DIN 53765.
- uniform fibers is meant that the fibers have the same polymers and fiber type.
- Softening temperature of the second polymer occurs.
- a sheet with sufficiently high mechanical strength is achieved at high temperatures.
- the sheet is characterized by excellent acoustic properties and low weight. Consequently, the object mentioned above is achieved.
- cold crystallization of the first polymer occurs in a
- Softening temperature of the second polymer in the range of 70 to 150 ° C, preferably in the range of 80 to 140 ° C, more preferably in the range of 90 to 130 ° C, on. Under these conditions, a sheet having high flexibility and elastic compliance at high temperatures is obtained. At these temperatures, stabilization of the second polymer occurs by crystallization of the first polymer.
- the difference between the cold crystallization temperature of the first polymer and the softening temperature of the second polymer could also be in the range from 1 to 100.degree. C., preferably in the range from 2 to 80.degree. C., more preferably in the range from 3 to 60.degree. Under these conditions, a particularly good stabilization of the second polymer by
- the softening temperature and / or the melting temperature of the second polymer are above the
- Cold crystallization of the first polymer has a temperature stability of
- the difference between the softening temperatures measured according to DIN 53765 of the first and second polymers can vary within wide limits. Conveniently, the difference in softening temperatures of the first and second polymers is at least 15 ° C, preferably
- the difference in the melting temperatures of the first and the second polymer is at least 5 ° C., preferably at least 10 ° C., particularly preferably at least 15 ° C.
- polymers a wide variety of materials can be used.
- the polymers are melt-spinnable.
- at least one of the polymers is a polyester selected from the group consisting of polyethylene terephthalate, polypropylene terephthalate,
- Polytetramethylene terephthalate poly (decamethylene) terephthalate, poly-1, 4-cyclohexylenedimethyl terephthalate, polybutylene terephthalate,
- Sheets of the aforementioned polymers are easy to recycle.
- the first polymer is selected from the group consisting of polypropylene terephthalate, polytetramethylene terephthalate,
- the second polymer is selected from the group consisting of poly (decamethylene) terephthalate, poly-1, 4-cyclohexylenedimethyl terephthalate, polybutylene terephthalate, polyethylene naphthalate, more preferably polyethylene naphthalate, polybutylene terephthalate, their copolymers and / or mixtures thereof.
- poly (decamethylene) terephthalate poly-1, 4-cyclohexylenedimethyl terephthalate, polybutylene terephthalate, polyethylene naphthalate, more preferably polyethylene naphthalate, polybutylene terephthalate, their copolymers and / or mixtures thereof.
- Sheet with respect to a variety of applications, preferably for applications of the sheet as a substrate for
- the first polymer is a polyester selected from the group consisting of polyglycolic acid, polylactides, polycaprolactones, polyethylene adipates, polyhydroxyalkanoates, polyhydroxybutyrates, poly-3-hydroxybutyrate-co-3-hydroxyvalerates, polyethylene terephthalate,
- Polytrimethylene terephthalates Polyurethanes, polytetramethylene terephthalate,
- the first polymer contains
- the first polymer has a cold crystallization temperature in
- Range of 70 to 150 ° C more preferably in the range of 80 to 140 ° C, most preferably in the range of 90 to 130 ° C, on. These polymers have a high temperature stability and lead to a good deflection behavior of the fabric.
- the second polymer has a softening temperature in the range of 70 to 150 ° C, more preferably in the range of 80 to 140 ° C, most preferably in the range of 90 to 130 ° C, on. In this case, a particularly good stabilization of the second polymer by cold crystallization of the first polymer occurs.
- the modulus of elasticity is a material characteristic from material technology and describes the relationship between stress and strain in the deformation of a solid body with linear elastic
- the elastic modulus of the first polymer could be in the range of 400 to 1300 MPa, preferably in the range of 500 to 1200 MPa, more preferably in the range of 700 to 000 MPa.
- the second polymer could have a high modulus of elasticity.
- the modulus of elasticity of the second polymer is 1400 to
- At least one fiber contains at least two polymers, wherein the first polymer is in the form of at least one segment embedded in the second polymer and / or of the second polymer at least partially bounded.
- the first polymer is in the form of at least one segment embedded in the second polymer and / or of the second polymer at least partially bounded.
- stabilization of the first polymer by the second polymer is achieved at high temperatures until cold crystallization of the first polymer occurs.
- the sheet segments of a first polymer are present, which are circular, oval, n-shaped, trilobal or multilobal in cross-section, which are embedded in the second polymer and / or at least partially bounded by the second polymer.
- Segments embedded in the second polymer and / or at least partially bounded by the second polymer Preference is given to round segments, which are particularly preferably arranged coaxially. This isotropic arrangement causes a good force absorption behavior.
- the fibers could have a core / shell geometry.
- the first polymer in the core is surrounded by a threadline from the second polymer.
- the core contains
- Polyethylene terephthalate, their copolymers and / or mixtures thereof and the shell preferably contains poly (decamethylene) terephthalate, poly-1, 4-cyclohexylenedimethyl terephthalate, polybutylene terephthalate,
- Polyethylene naphthalate more preferably polyethylene naphthalate,
- the first polymer is advantageously embedded particularly homogeneously in the second polymer and these geometries lead to a particularly dense structure.
- the fibers are configured as monofilaments.
- the second polymer is bonded to the first polymer and the first polymer as a binder fiber produces an adhesive bond between the fibers of the first and second polymers. As a result, the mechanical strength of the fabric can be increased.
- the fibers have a core / sheath geometry, the fibers containing only one polymer.
- the core has no polymer. This is
- Hollow fibers It is advantageous that a sheet with a low weight and a high mechanical strength is achieved.
- the polymer of the hollow fiber is a polyester selected from the group consisting of polypropylene terephthalate,
- Polytetramethylene terephthalate poly (decamethylene) terephthalate, poly (4-cyclohexyl) dimethyl terephthalate, polybutylene terephthalate,
- the polymer of the hollow fiber contains polyethylene naphthalate.
- the polymer of the hollow fiber has a
- Softening temperature in the range of 70 to 150 ° C, more preferably in the range of 80 to 140 ° C, most preferably in the range of 90 to 130 ° C, on.
- the first to second polymer weight ratio is in a range of 50:50 to 95: 5, preferably in a range of 60:40 to 95: 5, more preferably in a range of 65:35 to 90:10.
- the first to second polymer weight ratio is in a range of 50:50 to 95: 5, preferably in a range of 60:40 to 95: 5, more preferably in a range of 65:35 to 90:10.
- the fiber diameter is in the range of 0.1 to 20 dtex, more preferably in the range of 1 to 15 dtex, most preferably in the range of 3 to 12 dtex.
- the second polymer is used as a minority component. It is advantageous that the usually expensive second polymer component can be used to save material in order to increase the stability of the fabric.
- the base body contains no further fibers. It is conceivable that the main body could have further fibers. These fibers are preferably designed as monofilaments. Preferably, the proportion of further fibers, based on the total weight of the main body 1 to 80 wt .-%, more preferably 10 to 70 wt .-%, particularly preferably 20 to 60 wt .-%.
- the further fibers contain a polymer selected from the group consisting of: polyester, polyolefins, polyamide, polyamide 66 (nylon ® ), polyamide 6 (Perlon ® ), preferred Polyethylene terephthalate, polypropylene terephthalate, their copolymers and / or mixtures thereof.
- the fibers could be designed as binding fibers.
- the binder fiber creates an adhesive bond, thereby increasing the strength of the fabric.
- the layers preferably the at least one layer and / or the further layers of the main body, could be configured as scrim, woven, knitted, knitted, film, foil, nonwoven or nonwoven fabric. As a result, a sheet with mechanical strength is obtained.
- the main body could comprise a composite containing the at least one layer.
- the sheet has a reinforcing layer.
- the sheet has no reinforcing layer.
- the sheet has no reinforcing layer.
- the basis weight can vary widely.
- the fabric has a basis weight according to DIN EN 29073-1 in the range of 50 to 4000 g / m 2 , more preferably in the range of 80 to 3000 g / m 2 , particularly preferably in the range of 100 to 2500 g / m 2 . Sheets of the above basis weights have excellent stability.
- the sheet is used as a substrate for a headliner.
- the sheet preferably has a basis weight in the range of 500 to
- the sheet has a
- Thickness according to DIN EN 9073-2 from 0.5 to 300 mm, more preferably from 1 to 200 mm, particularly preferably from 1 to 150 mm, on.
- Another object of the present invention is a
- Softening temperature of the second polymer is.
- the sheet is thermoformed to obtain a thermoformed sheet.
- Thermoforming involves the transformation of thermoplastic material.
- the thermoformed sheet could be formed by a process comprising the following process steps: a) heating the sheet,
- the mold could be heated to a temperature in the range of 20 to 300 ° C, preferably in the range of 20 to 250 ° C.
- the mold expediently has two half parts. The two half parts of the
- Forming tool can have the same distance or different distances to each other during pressing at different points of the pressing surface. Practical experiments have shown that
- thermoformable sheet under these conditions is given an increased flexural rigidity at elevated temperature.
- the bending stiffness of the fabric can vary widely.
- the sheet is used for producing a component for a means of transport, in particular as a substrate for a headliner.
- Such fabrics preferably have a flexural stiffness in the range of 1 to 40 N / mm 2 measured according to DIN EN ISO 14125 at a maximum bending stress, more preferably in the range of 1 to 25 N / mm 2 , particularly preferably in the range of 2 to 20 N / mm 2 , most preferably in the range of 4 to 15 N / mm 2 , on.
- Fabrics with the aforementioned bending stiffness are characterized by sufficient stability with an excellent
- the bending stiffness of the thermoformed sheet can also be determined according to DIN / EN 310.
- the sample size to 90mm X 75mm, the support distance to 80mm and the pre-load on 3N bending stiffness in the range 1 to 40 N, preferably from 5 to 35 N and in particular from 0 to 30 N can be obtained.
- the thermoformed sheet configured as a substrate for a headliner, a modulus of elasticity (Young's modulus) in the range of 20 to 350 MPa measured according to EN ISO 14125 at a maximum
- Bending stress preferably in the range of 30 to 280 MPa, more preferably in the range of 40 to 250 MPa.
- the modulus of elasticity is a material characteristic from material technology and describes the
- the elastic modulus of the thermoformed sheet can also be determined according to DIN EN ISO 178.
- Test speed to 20mm / min, the sample size to 90mm X 75mm, the support distance to 80mm and the pre-load to 3N elastic moduli in the range 20 to 600 MPa, preferably from 30 to 500 MPa and especially from 40 to 450 MPa can be obtained.
- the sheet designed as a substrate for a headliner has a modulus of elasticity (modulus of elasticity) in the range of 10 to 350 MPa measured according to EN ISO 14125 or DIN EN ISO 178 at a maximum bending stress and a
- Temperature of 120 ° C preferably in the range of 15 to 250 MPa, more preferably in the range of 20 to 200 MPa, on. It is advantageous that the sheet has an increased mechanical strength at high temperatures. Preferably aging processes take place very slowly, so that the fabric also meets the high demands on components in the
- the sheet is constructed in multiple layers.
- the fabric preferably contains further layers in addition to the main body.
- the other layers could as spunbond layers or
- Staple fiber layer be configured.
- the further layers differ from one another by their function, type of production, fiber type, containing polymers and / or by their color.
- a combination of staple fiber layer and spunbonded layer leads to a voluminous fabric with the same basis weight.
- the fabric could have further layers, which are configured as spunbond or staple fiber layer. This improves the acoustic properties.
- thermoformed sheet a sandwich structure, wherein the outer layers contain the inventive sheet.
- the middle layer could have a staple fiber layer or another spunbonded layer.
- the sandwiched structure increases the flexural rigidity and gives the fabric excellent strength.
- Staple fiber layer and SL for a spunbond layer SF / SL / SF; SF / SL; SL / SF.
- the sheet according to the invention is due to its high bending stiffness at elevated temperature, its low weight and its sound absorption for the production of a component for a means of transport.
- the sheet is suitable as a substrate for the interior of a means of transport, more preferably as a substrate for a
- Headliner as a substrate for a door inner lining, as a substrate for a Hat rack and / or as a substrate in the outer region of a means of transport, more preferably as a substrate for a subfloor and as a substrate for a wheel arch.
- a means of transport are cars, trucks, buses, trains, aircraft, ships, motor home, agricultural machinery and / or
- the sheet is used as a substrate for the interior lining of a bus, a caravan, a camper, a ship, an airplane or a train.
- the sheet is due to its mechanical strength and low weight for the aforementioned uses.
- the sheet as a substrate for an inner lining of ship cabins and / or aircraft cabins due to its low weight.
- the sheet material could be used to produce a component for a building, preferably as a substrate for mobile partitions in buildings. This use is due to the low weight of the sheet and its excellent acoustic properties.
- Example 1 Production of a fabric according to the invention
- PEN granules (Advanite 71001 from SASA) and copolyester granules (CS 123 N from FENC) are dried and then by means of a melt-spinning process to a mixture of monofilaments and
- the processing temperature for Advanite is 300 ° C and for CS 123 N at 270 ° C.
- a spinneret a 195 hole nozzle is used with a
- Bicomponent fiber content of 60%.
- the PEN is incorporated only in the sheath of the bicomponent fiber and the copolyester both in the core of the bicomponent fiber and in the monofilament.
- Three different ratios of PEN / copolyester are produced in the bicomponent fiber.
- Be component fibers 1-3 are shown in Figures 7a-c.
- Fiber properties determined as follows:
- thermo stability under temperature stress was examined as follows: A bicomponent fiber with a fiber length of 8 cm was stretched between two metal blocks with a distance of 4 cm and loaded centrally with a weight of 1 g. The fiber was tense. Thereafter, the temperature was raised to 100 ° C, which is above the Tg of the copolyester used and below the Tg of the PEN.
- PET polyester mono-fiber
- the experiment carried out has shown that a clear sagging of the PET monofilament can be observed even when reaching 100 ° C.
- either one or two spunbonded webs were joined together with a staple fiber layer by means of a needle chair.
- the staple fiber fleece was arranged in each case in the middle.
- the hybrid materials were solidified by means of a belt dryer. Setting the belt dryer:
- specimens of size 90mm X 75mm were punched out, and pressed at a temperature of 180 ° C to a thickness of 2.1-2.5 mm, the bending force according to DIN / EN 310 with a pre-load of 3 N and a Test speed of 20 mm, the modulus of elasticity according to DIN EN ISO 178 determined at the same Vorkraft and test speed.
- Fig. 1 shows a sheet comprising a base body of a layer, wherein the layer contains fibers of two polymers
- Fig. 2 shows a schematic arrangement of a thermoformable
- Fig. 3 shows a further schematic arrangement of a
- thermoformable sheet thermoformable sheet
- Fig. 4 is a schematic arrangement of a two-ply
- thermoformable sheet thermoformable sheet
- Fig. 5 is a diagram in which the heating curve of the first
- Polymer is compared with the second polymer
- Fig. 6a is a trilobal fiber in cross-section
- Fig. 6 b is another triloblae fiber in cross section.
- Fig. 7 ac light micrographs of the fiber cross sections of three Bekomponentenmaschinen Embodiment of the invention
- Fig. 1 shows a sheet 1, comprising a base body of a layer 2, wherein the layer 2 contains fibers of two polymers.
- the layer 2 has a single-layered construction.
- Fig. 2 shows a schematic arrangement of a thermoformable
- the fabric 1 ' is multi-layered and contains in addition to the layer 2 more layers.
- the layer 2 is a spunbonded layer
- the fabric 1 ' has a layer 3 of staple fibers as the lowermost layer. On this layer 3, a layer 2 is arranged. On the layer 2 is another layer 3 of staple fibers. 3 shows a further schematic arrangement of a thermoformable sheet 1 " .
- the sheet 1 " has a multilayer structure and, in addition to the layer 2, contains further layers.
- the flat structure 1 " has, as the lowest layer, the layer 2. On this layer 2, a layer 3 is made
- Staple fibers arranged. On the layer 3 of staple fibers is another layer. 2
- Fig. 4 shows yet another schematic arrangement of a
- thermoformable two-ply sheet V " The sheet 1 "' has the layer 2 as the lowermost layer. On this layer 2 is a
- Staple fiber layer 3 is arranged.
- Fig. 5 is a graph comparing the heating curve of the first polymer with the second polymer as a function of temperature.
- the upper curve 4 shows the heating behavior of the first polymer and the lower curve 5 describes the heating behavior of the second polymer.
- the softening temperature 6 of the first polymer is below the
- the cold crystallization temperature 8 of the first polymer is below the softening temperature 7 of the second polymer.
- Cold crystallization temperature 9 of the second polymer is above the cold crystallization temperature 8 of the first polymer.
- FIG. 6 a shows in cross-section a trilobal fiber containing two polymers wherein the first polymer 10 is in the form of at least one segment embedded in a second polymer 11.
- FIG. 6 b shows in cross section a trilobal fiber containing two polymers, wherein the first polymer 10 is present in the form of at least one segment which is at least partially bounded by the second polymer 11.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14777512.6A EP3052688B1 (de) | 2013-10-02 | 2014-09-12 | Flächengebilde mit hoher temperaturstabilität |
KR1020167011382A KR101849372B1 (ko) | 2013-10-02 | 2014-09-12 | 높은 열 안정성을 지니는 패브릭 시트 |
CN201480054675.2A CN105593420B (zh) | 2013-10-02 | 2014-09-12 | 具有高热稳定性的片材 |
US15/026,602 US20160222557A1 (en) | 2013-10-02 | 2014-09-12 | Fabric sheet with hig thermal stability |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013016293 | 2013-10-02 | ||
DE102013016293.9 | 2013-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015049027A1 true WO2015049027A1 (de) | 2015-04-09 |
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PCT/EP2014/002469 WO2015049027A1 (de) | 2013-10-02 | 2014-09-12 | Flächengebilde mit hoher temperaturstabilität |
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US (1) | US20160222557A1 (de) |
EP (1) | EP3052688B1 (de) |
KR (1) | KR101849372B1 (de) |
CN (1) | CN105593420B (de) |
TW (1) | TW201525223A (de) |
WO (1) | WO2015049027A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018206203A1 (de) * | 2017-05-11 | 2018-11-15 | Carl Freudenberg Kg | Textiles flächengebilde für die elektroisolation |
US10590577B2 (en) | 2016-08-02 | 2020-03-17 | Fitesa Germany Gmbh | System and process for preparing polylactic acid nonwoven fabrics |
US11441251B2 (en) | 2016-08-16 | 2022-09-13 | Fitesa Germany Gmbh | Nonwoven fabrics comprising polylactic acid having improved strength and toughness |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101881006B1 (ko) * | 2016-07-29 | 2018-09-06 | 주식회사 휴비스 | 저융점 폴리에스테르 수지를 포함하는 자동차 내외장재 및 이의 제조방법 |
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- 2014-09-12 CN CN201480054675.2A patent/CN105593420B/zh active Active
- 2014-09-12 EP EP14777512.6A patent/EP3052688B1/de active Active
- 2014-09-12 US US15/026,602 patent/US20160222557A1/en not_active Abandoned
- 2014-09-12 WO PCT/EP2014/002469 patent/WO2015049027A1/de active Application Filing
- 2014-09-12 KR KR1020167011382A patent/KR101849372B1/ko active IP Right Grant
- 2014-09-24 TW TW103132890A patent/TW201525223A/zh unknown
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10590577B2 (en) | 2016-08-02 | 2020-03-17 | Fitesa Germany Gmbh | System and process for preparing polylactic acid nonwoven fabrics |
US11441251B2 (en) | 2016-08-16 | 2022-09-13 | Fitesa Germany Gmbh | Nonwoven fabrics comprising polylactic acid having improved strength and toughness |
WO2018206203A1 (de) * | 2017-05-11 | 2018-11-15 | Carl Freudenberg Kg | Textiles flächengebilde für die elektroisolation |
DE102017004481A1 (de) * | 2017-05-11 | 2018-11-15 | Carl Freudenberg Kg | Textiles Flächengebilde für die Elektroisolation |
Also Published As
Publication number | Publication date |
---|---|
US20160222557A1 (en) | 2016-08-04 |
CN105593420A (zh) | 2016-05-18 |
EP3052688A1 (de) | 2016-08-10 |
KR101849372B1 (ko) | 2018-04-16 |
EP3052688B1 (de) | 2019-01-16 |
KR20160062149A (ko) | 2016-06-01 |
CN105593420B (zh) | 2018-01-23 |
TW201525223A (zh) | 2015-07-01 |
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