EP3133196B1 - Volumenvliesstoff - Google Patents
Volumenvliesstoff Download PDFInfo
- Publication number
- EP3133196B1 EP3133196B1 EP15181388.8A EP15181388A EP3133196B1 EP 3133196 B1 EP3133196 B1 EP 3133196B1 EP 15181388 A EP15181388 A EP 15181388A EP 3133196 B1 EP3133196 B1 EP 3133196B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fibers
- nonwoven fabric
- volume
- nonwoven
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims description 64
- 239000000835 fiber Substances 0.000 claims description 220
- 239000000463 material Substances 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 58
- 239000002994 raw material Substances 0.000 claims description 58
- -1 polyethylene terephthalate Polymers 0.000 claims description 35
- 239000004753 textile Substances 0.000 claims description 22
- 229920000728 polyester Polymers 0.000 claims description 19
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 239000004952 Polyamide Substances 0.000 claims description 8
- 229920002647 polyamide Polymers 0.000 claims description 8
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 210000002268 wool Anatomy 0.000 claims description 6
- 229920001634 Copolyester Polymers 0.000 claims description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 5
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007596 consolidation process Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 239000013538 functional additive Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 3
- 239000000047 product Substances 0.000 description 14
- 210000003746 feather Anatomy 0.000 description 11
- 238000012546 transfer Methods 0.000 description 11
- 229910052721 tungsten Inorganic materials 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 229920004934 Dacron® Polymers 0.000 description 7
- 239000002657 fibrous material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000012782 phase change material Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- ZINJLDJMHCUBIP-UHFFFAOYSA-N ethametsulfuron-methyl Chemical compound CCOC1=NC(NC)=NC(NC(=O)NS(=O)(=O)C=2C(=CC=CC=2)C(=O)OC)=N1 ZINJLDJMHCUBIP-UHFFFAOYSA-N 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000003655 tactile properties Effects 0.000 description 1
- 230000028016 temperature homeostasis Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
-
- 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
-
- 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
- D04H1/005—Making three-dimensional articles by consolidation
-
- 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
- D04H1/02—Cotton wool; Wadding
-
- 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
-
- 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
- D04H1/558—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 in combination with mechanical or physical treatments other than embossing
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/08—Sleeping bags
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/10—Pillows
Definitions
- the invention relates to a method for producing a volume nonwoven fabric, the volume nonwovens obtainable with the method and their uses.
- Filling materials for textile applications are widely known. For example, fine feathers, down and animal hair, such as wool, have been used for a long time to fill blankets and items of clothing. Filling materials made of down are very comfortable to use, as they combine very good thermal insulation with low weight. However, the disadvantage of these materials is that they only have a low level of cohesion with one another.
- Nonwovens are structures made of fibers of limited length (staple fibers), filaments (continuous fibers) or cut yarns of any kind and of any origin that in any way form a nonwoven (a pile of fibers) have been put together and connected to one another in some way.
- the disadvantage of conventional nonwovens or nonwovens is that they are less fluffy than voluminous filling materials such as down.
- the thickness of conventional nonwovens becomes thinner and thinner over a longer period of use.
- Fiber balls contain more or less spherically entangled fibers, which usually have approximately the shape of a ball.
- fiber balls that can be used as a filling or cushioning material.
- These fiber balls consist of spirally crimped interwoven polyester fibers with a length of about 10 to 60 mm and a diameter between 1 and 15 mm.
- the fiber balls are elastic and heat insulating.
- the disadvantage of the fiber balls is that, like down, feathers, animal hair or the like, they only have a low level of cohesion with one another.
- Such Fiber balls are consequently only poorly suited as filling material for flat textile materials, in which the fiber balls should lie loosely, since they can slip due to their poor adhesion. In order to avoid slipping in the flat textile materials, these are often stitched.
- EP 0 257 658 B1 suggest using fiber balls with protruding fiber ends that can also have hooks.
- the production of such materials is relatively complex and the fiber ends can kink or bend during transport, storage and processing.
- the WO 91/14035 proposes to thermally solidify a nonwoven raw material of fiber balls and binding fibers into layers and then needling them.
- the nonwoven raw materials are guided in an air stream to a single spiked roller and deposited on a belt by this roller.
- a disadvantage of the products is that the stability is low without needling, since the binding fibers can only slightly stabilize the voluminous, loose fiber balls. In order to achieve sufficient stability, needling is carried out, which complicates the process and increases the density of the product in an undesirable manner.
- the WO 2005/044529 A1 describes devices with which different materials can be homogenized in an aerodynamic process.
- the raw materials pass through rotating spiked rollers.
- the method can be used, for example, to process cellulose fibers, synthetic fibers, pieces of metal, plastic parts or granulates. Such relatively harsh processes are used, among other things, in waste management.
- the invention is based on the object of providing a volume nonwoven fabric and a method for its production which combines various advantageous properties.
- the nonwoven fabric should in particular be voluminous and have a low density, and at the same time have high stability, in particular good tensile strength. It is said to have good heat insulation property with high softness, high compressive elasticity, light weight and a good adaptation to a body to be enveloped.
- the nonwoven should have sufficient washing stability and mechanical stability in order to be able to be handled, for example, as a web product.
- the nonwoven should be able to be cut and rolled up.
- the nonwoven should be suitable for textile applications.
- a nonwoven-like product that has a relatively low density is generally referred to as volume nonwoven.
- a nonwoven raw material is used.
- the term “raw material” denotes a mixture of the components that are to be processed together to form the volume nonwoven.
- the raw material is a loose mixture, i.e. the components have not been connected to one another, in particular not thermally connected, needled, glued or subjected to similar processes in which a targeted chemical or physical bond is created.
- the nonwoven raw material in step (a) contains fiber balls.
- Fiberballs are well known in the technical field and are used as filling materials. They are relatively small and light fiber agglomerates that can be easily separated from one another. Structure and shape can vary depending on the materials used and the desired properties of the bulk nonwoven.
- the term fiber balls should be understood to mean both spherical and spherical shapes, for example irregular and / or deformed, for example flattened or elongated, spherical shapes. It has been found that spherical shapes and shapes approximating to the spherical shape show particularly good properties with regard to fluffiness and thermal insulation. Processes for producing fiber balls are known in the prior art and are for example in US Pat EP 0 203 469 A described.
- the fibers can be distributed relatively evenly in a fiber ball, and the density can decrease towards the outside. It is conceivable, for example, that there is a uniform distribution of the fibers within the fiber balls and / or a fiber gradient. Alternatively, the fibers can be arranged essentially in a spherical shell, while relatively few fibers are arranged in the center of the fiber balls.
- the fiber balls contain spherically wound and / or fluff-like fibers.
- the fibers are curled.
- the fibers can be disordered or have a certain order.
- the fibers in the interior of the individual fiber balls are tangled and arranged spherically in an outer layer of the fiber balls.
- the outer layer is comparatively small in relation to the diameter of the fiber balls. This allows the softness of the fiber balls to be increased even further.
- the type of fibers present in the fiber balls is fundamentally uncritical, provided they are suitable for forming fiber balls, for example through a suitable surface structure and fiber length.
- the fibers of the fiber balls are preferably selected from the group consisting of staple fibers, threads and / or yarns.
- staple fibers in contrast to filaments which have a theoretically unlimited length, are to be understood as fibers with a limited length, preferably from 20 mm to 200 mm.
- the threads and / or yarns also preferably have a limited length, in particular from 20 mm to 200 mm.
- the fibers can be present as monocomponent filaments and / or composite filaments.
- the titer of the fibers can also vary.
- the mean titer of the fibers is preferably in the range from 0.1 to 10 dtex, preferably from 0.5 to 7.5 dtex.
- an advantageous volume nonwoven can be obtained if a volumizing nonwoven raw material containing fiber balls and binding fibers is processed in an airlaid process with spiked rollers. It has been found that, when the mixture is processed between spiked rollers in an airlaid process, efficient opening, mixing and alignment of the nonwoven raw material is achieved without the material being destroyed in the process. This was surprising because, for example, the fiber balls used as raw material are extremely filigree, so that it was assumed that they would be destroyed in such a device, which is at the expense of the stability and function of the end product.
- the spiked rollers are preferably arranged in pairs in the device so that the metal spokes can interlock.
- the meshing of the metal spokes creates a dynamic sieve, whereby the nonwoven raw materials can be separated and evenly distributed.
- treatment with spiked rollers arranged in pairs can lead to a loosening of the fiber structure without destroying the ball shape as a whole.
- Fibers or fiber bundles can be pulled out of the balls in such a way that they are still connected to the fiber balls, but protrude from the surface. This is beneficial as the pulled out Fibers hook the individual balls together and thereby increase the tensile strength of the volume fleece.
- a matrix of individual fibers can be formed in which the balls are embedded, which increases the softness of the volume nonwoven.
- the method has the advantage that the binding fibers are connected very closely to the fleece balls. It is assumed that some of the binding fibers are also introduced into the fiber balls by the spines. As a result, the proportion of glue points between the fiber balls and the binding fibers increases significantly during thermal consolidation. This is one of the reasons why the nonwovens are extremely stable.
- the nonwoven fabric according to the invention is significantly more stable than products from conventional processes in which only fiber balls are opened or carded and then mixed with binding fibers.
- airlaid process denotes the fact that the nonwoven raw material containing fiber balls and binding fibers is processed and deposited in the air stream with the spiked rollers.
- the nonwoven raw material is fed to the spiked rollers in an air stream and processed by them. This has the advantage that the nonwoven raw material remains in a loose, voluminous form during processing with the spiked rollers, but is intensively mixed, with the spikes penetrating the fleece balls.
- the method differs significantly from conventional methods in which webs of nonwoven raw material are carded. In such carding processes, the nonwoven raw materials are essentially oriented.
- the method enables a very even distribution of the raw material on the depositing belt and a very homogeneous volume fleece can be obtained in which the volumizing material is evenly distributed.
- the homogeneous distribution of the volumizing material is of great advantage, particularly with regard to the thermal insulation properties and softness as well as for the recovery of the volume fleece.
- a very homogeneous volume nonwoven can be obtained in which the volume-giving fiber material is present in a very homogeneous and evenly distributed manner. This was surprising as it had to be assumed that the filigree fiber balls, but also other filigree components such as down, would be destroyed when treated with spiked rollers.
- the nonwoven raw material is placed as evenly as possible in the airlaid device, comprising at least one pair of spiked rollers, in which the components are opened and mixed with one another.
- the fibers can then be deposited in a conventional manner for web formation, for example on a sieve belt, a sieve drum and / or a conveyor belt.
- the formed web can then be consolidated in a conventional manner.
- Thermal consolidation for example with a belt furnace, has proven particularly suitable according to the invention. This makes use of the fact that the binding fibers are closely connected to the fiber balls.
- the spiked rollers are arranged in rows.
- the spiked rollers are thus advantageously arranged in at least one row.
- the advantage of the arrangement of the spiked rollers in at least one row is that the metal spokes of the adjacent spiked rollers can interlock.
- each roller can simultaneously form a pair with each of its neighboring rollers, which can function as a dynamic screen.
- the rows can also be in pairs (double rows) in order to obtain a particularly good opening and mixing of the fibers and fiber balls.
- the spiked rollers are thus advantageously arranged in at least one double row. It is also conceivable that at least part of the fiber material is guided several times through the same spiked rollers by means of a return system.
- a revolving endless belt or aerodynamic means such as tubes through which the material is blown upwards can be used for the return.
- the belt can be arranged in an advantageous manner between two rows of spiked rollers.
- the endless belt can also be guided through several double rows of spiked rollers arranged one behind the other or one above the other.
- the device has spiked rollers.
- the spikes When two opposing rollers rotate, which form a gap for the passage of nonwoven raw material, the spikes preferably mesh with one another in an offset manner.
- the spikes preferably have a thin, elongated shape.
- the spines are long enough to allow a good penetration of the materials and the fiber balls.
- the length of the spines is preferably between 1 and 30 cm, in particular between 2 and 20 cm or between 5 and 15 cm.
- the length of the spines can be at least 5 or at least 10 times as large as the widest diameter of the spines.
- the gaps between the spiked rollers through which the nonwoven raw material passes are preferably so wide that the nonwoven raw material is not compressed when it passes. Rather, opening the nonwoven balls loosens up the material.
- the spines preferably each have a length on both sides which corresponds to more than 50%, preferably at least 60%, at least 70% or at least 80% of the (narrowest) width of the gap. Preferably the spines point on both Each side has a length that corresponds to more than 50% to 99% or 60% to 95% of the (narrowest) width of the gap.
- the device preferably has at least two pairs, preferably at least 5 pairs or at least 10 pairs of spiked rollers, and / or the device preferably has at least 2, at least 5 or at least 10 gaps between the spiked rollers.
- Such devices allow particularly efficient processing of the nonwoven raw material.
- the device is preferably designed so that the contact surface of the spiked rollers with the nonwoven raw material is as large as possible.
- a plurality of spiked rollers is preferably present, for example at least 5, at least 10 or at least 20 spiked rollers. Preferably there are at least 5, at least 10 or at least 20 gaps between adjacent pairs of rollers through which the nonwoven raw material can pass.
- the rollers can, for example, have a cylindrical shape. Usually, the cylindrical rollers are firmly connected to the spikes. It is also conceivable to equip a roller core with revolving spiked belts. There are preferably several levels so that the material is processed several times.
- the device could have 2 to 10 rows arranged in pairs, each with 2 to 10 spiked rollers. You could have four rows arranged in two pairs, each with five spiked rollers.
- airlaid devices are available, for example, under the brand name “SPIKE” Air-Laid -strom from the company Formfiber Denmark APS.
- the process is an airlaid process, i.e. an aerodynamic fleece formation process, ie the fleece formation takes place with the aid of air.
- the basic principle of this process consists in the transfer of the nonwoven raw material into an air stream, which enables a mechanical distribution of the nonwoven raw material in the machine longitudinal and / or transverse direction and finally a homogeneous deposit of the nonwoven raw material on a suction conveyor belt.
- Air can be used in a wide variety of process steps.
- the entire transport of the nonwoven raw material takes place aerodynamically during the formation of the nonwoven, for example by means of an installed air system. It is also conceivable, however, that only special process steps, for example the removal of the fibers from the spiked rollers, are supported by additional air.
- the processes of nonwoven raw material preparation or nonwoven raw material dissolution are expediently placed directly upstream of the nonwoven formation process.
- the optional mixing with non-fiber materials, for example down and / or foam parts, is preferably carried out immediately during the distribution of the fiber material in the web formation system.
- the material (the nonwoven raw material or its components) can be transported via a supply and distribution system into the nonwoven forming unit, where a targeted opening, swirling and, at the same time, homogeneous mixing and distribution takes place.
- the supply for each material component is advantageously carried out separately.
- the nonwoven raw material is then preferably treated with at least two spiked rollers with which the fiber material is processed or dissolved.
- Particularly good results are achieved when the nonwoven raw material is passed through a series of rotating shafts equipped with metal spokes (the so-called spikes) as a spiked roller.
- the adjacent spiked rollers rotate in opposite directions.
- particularly strong forces can act on the nonwoven raw material.
- the meshing of the metal spokes creates a dynamic sieve that allows high throughput rates.
- the procedure thus differs significantly from a procedure as in WO91 / 14035 , with the nonwoven raw material of only one single spiked roller is guided and deposited. In this case, forces cannot act on the material with the associated structural changes as in the method according to the invention.
- the web is advantageously formed on a screen belt with suction.
- a random fleece structure without pronounced fiber orientation can be created on the screen belt, the density of which is related to the intensity of the prohibition.
- a layer structure can be implemented by arranging several web forming units in one line.
- aerodynamic nonwoven formation is that the fibers and any further constituents that may be present in the nonwoven raw material can be arranged in a random layer, which enables a very high isotropy of properties.
- this embodiment offers economic advantages resulting from the investment volume and the operating costs for the production systems.
- the web formation takes place in several web-forming units arranged one behind the other. It is thus conceivable that a deposit belt, for example a screen belt with suction, is guided successively through a plurality of web forming units, in each of which a layer of a web is deposited. A multi-layer fleece can be produced in this way.
- the fleece is thermally consolidated.
- no pressure is exerted on the nonwoven fabric.
- thermal consolidation can take place in an oven without applying pressure. This has the advantage that the nonwoven is very bulky, although it has a high strength.
- the bonding of the fleece can be supported in a conventional manner, for example chemically by spraying with binding agent, thermally by melting previously added adhesive powder and / or mechanically, e.g. B. by needling and / or hydroentanglement.
- the proportion of fiber balls is 50 to 95% by weight, preferably 60 to 95%, in particular from 70 to 90%, and / or the proportion of binding fibers in the bulk nonwoven is 5 to 40% by weight, preferably 7 to 30% by weight and particularly preferably from 10 to 25% by weight, based in each case on the total weight of the nonwoven raw material.
- the fiber balls preferably contain or consist of fibers selected from synthetic polymers, in particular fibers made of polyester, in particular polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate; and natural fibers, in particular fibers made of wool, cotton or silk, and / or mixtures thereof and / or mixtures with other fibers.
- synthetic polymers in particular fibers made of polyester, in particular polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate
- natural fibers in particular fibers made of wool, cotton or silk, and / or mixtures thereof and / or mixtures with other fibers.
- the fiber balls can consist of a wide variety of fibers.
- the fiber balls can be natural fibers, for example wool fibers and / or synthetic fibers, for example fibers made of polyacrylic, polyacrylonitrile, pre-oxidized PAN, PPS, carbon, glass, polyvinyl alcohol, viscose, cellulose, cotton, polyaramides, polyamideimide, polyamides, especially polyamide 6 and Polyamide 6.6, PULP, preferably polyolefins and very particularly preferably polyesters, in particular polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate, and / or mixtures of those mentioned hereof and / or consist thereof.
- fiber balls made of wool fibers are used.
- fiber balls made of polyester are used in order to achieve particularly good compatibility with the usual further components within the volume nonwoven or in a nonwoven composite.
- the nonwoven raw material in step (a) contains binding fibers in addition to the fiber balls. These binding fibers are loose fibers and are not a component of the fiber balls.
- these binding fibers are designed as core / sheath fibers, the sheath being polybutylene terephthalate, polyamide, copolyamides, copolyesters or polyolefins such as polyethylene or polypropylene, and / or the core being polyethylene terephthalate, polyethylene naphthalate, polyolefins such as polyethylene or polypropylene, polyphenylene sulfide , aromatic polyamides and / or polyesters.
- the melting point of the shell polymer is usually higher than that of the core polymer, for example by more than 10 ° C.
- Binding fibers particularly suitable according to the invention are multicomponent fibers, preferably bicomponent fibers, in particular core / sheath fibers.
- Core / sheath fibers contain at least two fiber materials with different softening and / or melting temperatures. Core / sheath fibers preferably consist of these two fiber materials.
- the component with the lower softening and / or melting temperature is on the fiber surface (cladding) and to find the component that has the higher softening and / or melting temperature in the core.
- the binding function can be performed by the materials which are arranged on the surface of the fibers.
- materials can be used for the jacket.
- preferred materials for the jacket are PBT, PA, polyethylene, copolyamides or also copolyesters. Polyethylene is particularly preferred.
- preferred materials for the core are PET, PEN, PO, PPS or aromatic PA and PES.
- the advantage of the presence of binding fibers is that the volume-giving material in the volume nonwoven is held together by the binding fibers, so that a textile cover filled with the volume nonwoven can be used without the volume-providing material shifting significantly and without thermal bridges due to the lack of filler material are formed.
- the binding fibers preferably have a length of 0.5 mm to 100 mm, more preferably 1 mm to 75 mm, and / or a titer of 0.5 to 10 dtex.
- the binding fibers have a titer of 0.9 to 7 dtex, more preferably 1.0 to 6.7 dtex, and in particular 1.3 to 3.3 dtex.
- the proportion of binding fibers in the volume nonwoven is set depending on the type and amount of the other components of the volume nonwoven and the desired stability of the volume nonwoven. If the proportion of binding fibers is too low, the stability of the bulk nonwoven deteriorates. If the proportion of binding fibers is too high, the volume fleece becomes too strong overall, which is at the expense of its softness. Practical tests have shown that a good compromise between stability and softness is obtained if the proportion of binding fibers is in the range from 5 to 40% by weight, preferably 7 to 30% by weight and particularly preferably from 10 to 25% by weight.
- a volume nonwoven fabric can be obtained that is stable enough to be rolled and / or folded. This makes it easier Manageability and further processing of the volume nonwoven. Such a volume fleece is also washable. For example, it is stable enough to withstand three household washes at 40 ° C without disintegration.
- the binding fibers can be connected to one another and / or to the other components of the volume nonwoven by thermofusion. Hot calendering with heated, smooth or engraved rolls, by pulling through a hot air tunnel oven, hot air double belt oven and / or by pulling through a drum through which hot air flows has proven particularly suitable.
- the advantage of using a double-belt hot air oven is that the binding fibers can be activated particularly effectively while smoothing the surface while maintaining the volume.
- volume nonwoven fabric can also be consolidated in that the optionally pre-consolidated fiber web is exposed to fluid jets, preferably water jets, at least once on each side.
- the mixture contains at least one further component that is not fiber balls or binding fibers.
- the total proportion of such further components is preferably up to 45% by weight, up to 30% by weight, up to 20% by weight or up to 10% by weight.
- Such further components are preferably selected from further fibers, further volumetric materials and other functional additives.
- further fibers that are not binding fibers are contained as a further component.
- Such fibers can provide the nonwovens with special properties, such as softness, optical properties, fire resistance, tear resistance, conductivity, water management or the like. Since these fibers are not in the form of fiber balls, they can have a wide variety of surface properties and, in particular, can also be smooth fibers. For example, silk fibers can be used as additional fibers in order to give the volume nonwoven fabric a special sheen.
- the proportion of further fibers in the volume nonwoven is advantageously from 2 to 40% by weight, in particular from 5 to 30% by weight.
- the further fibers preferably have a length of 1 to 200 mm, preferably 5 mm to 100 mm, and / or a titer of 0.5 to 20 dtex.
- further volumetric materials that are not fiber balls, in particular down, fine feathers or foam particles, are contained as a further component.
- the other materials can influence the density and provide the material with other desired properties.
- the use of down or fine feathers is particularly preferred in textile applications, particularly in the clothing sector, which can improve the thermal properties. If, according to the invention, down and / or fine feathers are used as volumetric material, their proportion in the volume nonwoven is, for example, 10 to 45% by weight, preferably 15 to 45% or at least 15% by weight.
- the term down and / or fine feathers is understood according to the invention in the conventional sense. In particular, down and / or fine feathers are understood to mean feathers with a short keel and very soft and long, radially arranged feather branches, essentially without hooks.
- the volume nonwoven contains a phase change material.
- Phase change materials are materials whose latent heat of fusion, heat of solution or heat of absorption is significantly greater than the heat that they can store due to their normal specific heat capacity (without the phase change effect).
- the phase change material can be in Particle shape and / or fiber-like shape contained in the material composite and be connected, for example, via the binding fibers with the remaining components of the volume nonwoven. The presence of the phase change material can support the insulating effect of the volume nonwoven.
- the polymers used to produce the fibers of the volume nonwoven fabric can contain at least one additive selected from the group consisting of color pigments, antistatic agents, antimicrobials such as copper, silver, gold, or hydrophilicizing or hydrophobicizing additives in an amount of 150 ppm to 10% by weight .
- additives selected from the group consisting of color pigments, antistatic agents, antimicrobials such as copper, silver, gold, or hydrophilicizing or hydrophobicizing additives in an amount of 150 ppm to 10% by weight .
- the density of the volume nonwoven is at least 5%, preferably at least 10%, even more preferably at least 25% lower than the density of the nonwoven balls used in step (a). This is advantageous since a particularly voluminous nonwoven fabric is obtained which, regardless of this, has a very high stability.
- the method is carried out in such a way that the volume fleece obtained in step (e) is not mechanically consolidated. This is advantageous because a product with a very low density is obtained.
- the very voluminous nonwovens of the invention are highly stable even without such additional process steps and despite the low density.
- the nonwoven raw materials are also not carded.
- the bulk nonwoven can be subjected to a bonding or refinement of a chemical nature, such as, for example, an anti-pilling treatment, a hydrophilization or hydrophobization, an antistatic treatment, a treatment to improve the fire resistance and / or to change it of tactile properties or gloss, one Treatment of a mechanical nature such as roughening, sanforizing, sanding or a treatment in a tumbler and / or a treatment to change the appearance such as dyeing or printing.
- a chemical nature such as, for example, an anti-pilling treatment, a hydrophilization or hydrophobization, an antistatic treatment, a treatment to improve the fire resistance and / or to change it of tactile properties or gloss, one Treatment of a mechanical nature such as roughening, sanforizing, sanding or a treatment in a tumbler and / or a treatment to change the appearance such as dyeing or printing.
- the volume nonwoven according to the invention can contain further layers, whereby a nonwoven composite is formed.
- the further layers are designed as reinforcement layers, for example in the form of a scrim, and / or that they comprise reinforcement filaments, nonwovens, woven fabrics, knitted fabrics and / or scrims.
- Preferred materials for forming the further layers are plastics, for example polyester, and / or metals.
- the further layers can advantageously be arranged on the surface of the volume nonwoven. According to a preferred embodiment of the invention, the further layers are arranged on both surfaces (top and bottom) of the volume nonwoven.
- the volume nonwoven according to the invention is outstandingly suitable for the production of a wide variety of textile products, in particular products that are supposed to be light, stable and also thermophysiologically comfortable.
- the invention therefore also relates to a method for producing a textile material, comprising producing a volume nonwoven fabric in a method according to the invention and further processing to form the textile material.
- the textile material is selected in particular from clothing, molded materials, padding materials, filling materials, bedding, filter mats, absorbent mats, cleaning textiles, spacers, foam substitutes, wound pads and fire protection materials.
- the volume fleece can therefore be used in particular as a molding, cushioning and / or filling material, in particular for clothing.
- the molding, cushioning and / or filling materials are also suitable for other applications, for example for seating and reclining furniture, pillows, cushion covers, duvets, mattresses, sleeping bags, mattresses, mattress covers.
- garment is used according to the invention in the conventional sense and preferably includes fashion, leisure, sport, outdoor and functional clothing, in particular outerwear, such as jackets, coats, vests, pants, overalls, gloves, hats and / or shoes. Due to the good heat-insulating properties of the volume nonwoven it contains, articles of clothing which are particularly preferred according to the invention are heat-insulating articles of clothing, for example jackets and coats for all seasons, especially winter jackets, coats and vests, ski and snowboard jackets, pants and overalls, thermal jackets and coats and vests, ski and snowboard gloves, winter hats, thermal hats and slippers.
- outerwear such as jackets, coats, vests, pants, overalls, gloves, hats and / or shoes.
- articles of clothing which are particularly preferred according to the invention are heat-insulating articles of clothing, for example jackets and coats for all seasons, especially winter jackets, coats and vests, ski and snowboard jackets, pants and overalls, thermal jackets and coats and vests, ski and
- items of clothing which are particularly preferred according to the invention are those with shock-absorbing properties at particularly stressed areas, for example goalkeeper trousers, cycling and riding trousers.
- the invention also relates to a volume nonwoven obtainable by the method according to the invention.
- the volume nonwovens according to the invention are characterized by a special structure and special properties that are realized by the special manufacturing process.
- very light nonwovens can be produced that have exceptional stability.
- the nonwovens can also have very good heat-insulating properties and high softness, high compressive elasticity, good resilience, good washability, low weight, high insulation properties and good adaptation to a body to be wrapped.
- the thickness of the volume fleece can for example be between 0.5 and 500 mm, in particular from 1 to 200 mm or between 2 and 100 mm.
- the thickness of the volume fleece is preferably selected as a function of the desired insulation effect and the materials used. Usually, good results are achieved with thicknesses (measured according to test specification EN 29073 - T2: 1992) in the range from 2mm to 100mm.
- Basis weights of the volume nonwoven according to the invention are adjusted depending on the desired application.
- Basis weights measured according to DIN EN 29073: 1992, in the range from 15 to 1500 g / m 2 , preferably from 20 to 1200 g / m 2 and / or from 30 to 1000 g / m 2 and / or from 40 have proven to be useful for many applications up to 800 g / m 2 and / or from 50 to 500 g / m 2 .
- the density of the volume nonwoven is low. It is preferably less than 20 g / l, less than 15 g / l, less than 10 g / l or less than 7.5 g / l.
- the density can, for example, be in the range from 1 to 20 g / l, in particular from 2 to 15 g / l or from 3 to 10 g / l.
- the density is not higher than 10 g / l, in particular not higher than 8 g / l. is.
- the density is preferably calculated from the weight per unit area and the thickness. According to the invention, however, advantageous, particularly stable bulk nonwovens with higher densities can also be produced.
- the volume nonwoven according to the invention is characterized by a high maximum tensile strength.
- the tensile strength can be set in such a way that the volume nonwoven can be easily produced, processed and used as a web product.
- the volume fleece can be cut and rolled up. It can also be washed without losing its functionality.
- the volume fleece according to the invention is characterized by a stability that can be adjusted surprisingly well. For many applications it has proven to be advantageous if the volume fleece has a high maximum tensile strength, measured in accordance with DIN EN 29 073-3: 1992 in the context of this application.
- the maximum tensile strength is generally identical in the longitudinal and transverse directions. The values given below preferably apply to both the longitudinal and the transverse direction.
- the volume nonwoven has a high stability. It preferably has a maximum tensile force of at least 2 N / 5cm, in particular of at least 4N / 5cm or at least 5N / 5cm.
- the volume nonwoven preferably has a maximum tensile force in at least one direction of at least 0.3N / 5cm, in particular from 0.3N / 5cm to 100N / 5cm, at a weight per unit area of 50g / m 2 .
- the volume nonwoven has a maximum tensile strength at a weight per unit area of 15 to 1500 g / m 2 , preferably from 20 to 1200 g / m 2 and / or from 30 to 1000 g / m 2 and / or from 40 to 800 g / m 2 and / or from 50 to 500 g / m 2 in at least one direction of at least 0.3N / 5cm, in particular from 0.3N / 5cm to 100N / 5cm.
- the volume nonwoven fabric preferably has a maximum tensile strength ratio [N / 5cm] / thickness [mm] of at least 0.10 [N / (5cm * mm)], preferably at least 0.15 [N / (5cm * mm)] or at least 0, 18 [N / (5cm * mm)].
- the density is preferably not higher than 10 g / L, in particular not higher than 8 g / L. It is unusual for a volume nonwoven fabric with a low density to achieve such a high HZK (based on the thickness).
- the volume fleece preferably has a maximum tensile strength ratio [N / 5cm] / weight per unit area [g / m2] of at least 0.020 [N * m 2 / (5cm * g)], preferably at least 0.025 [N * m 2 / (5cm * g)] or at least 0.030 [N * m 2 / (5cm * g)].
- the density is preferably not higher than 10 g / L, in particular not higher than 8 g / L. It is unusual for a volume nonwoven fabric to achieve such a high HZK based on the weight per unit area.
- the volume nonwoven preferably has a maximum tensile elongation of at least 20%, preferably at least 25% and in particular more than 30%, measured in accordance with DIN EN 29 073-3.
- the density is preferably not higher than 10 g / L, in particular not higher than 8 g / L.
- the volume fleece according to the invention is characterized by good heat-insulating properties. It preferably has a heat transfer resistance (R CT value) of more than 0.10 (K * m 2 ) / W, more than 0.20 (K * m 2 ) / W or more than 0.30 (K * m 2 ) / W on.
- the density is preferably no higher than 10 g / L, in particular no higher than 8 g / L.
- the heat transfer resistance is either measured in accordance with DIN 11092: 2014-12, or based on DIN 52612: 1979 in accordance with what is described below Procedure. It was found that the results for both methods are comparable.
- the volume nonwoven fabric preferably has a quotient of heat transfer resistance R CT [Km 2 / W] / thickness [mm] of at least 0.010 [Km 2 / (W * mm)], preferably at least 0.015 [Km 2 / (W * mm)].
- the density is preferably not higher than 10 g / L, in particular not higher than 8 g / L. It is uncommon for a low density bulk nonwoven fabric to achieve such a high R CT (based on caliper).
- the volume nonwoven fabric preferably has a quotient of heat transfer resistance R CT [Km 2 / W] / surface weight [g / m 2 ] of at least 0.0015 [Km 4 / (W * g)], preferably at least 0.0020 [Km 4 / (W * g)] or at least 0.0024 [Km 4 / (W * g)].
- the density is preferably not higher than 10 g / L, in particular not higher than 8 g / L. It is unusual for a volume nonwoven fabric to achieve such a high R CT value based on the basis weight.
- a heat-insulating item of clothing is understood to mean an item of clothing containing a volume nonwoven fabric with a heat transfer resistance, at a weight per unit area of 15 to 1500 g / m 2 , preferably from 20 to 1200 g / m 2 and / or from 30 to 1000 g / m 2 and / or from 40 to 800 g / m 2 and / or from 50 to 500 g / m 2 , from at least 0.030 (K * m 2 ) / W, in particular from 0.030 to 7,000 (K * m 2 ) / W.
- the volume nonwoven has a heat transfer resistance with a weight per unit area of 15 to 1500 g / m 2 , preferably 20 to 1200 g / m 2 and / or 30 to 1000 g / m 2 and / or 40 to 800 g / m 2 and / or from 50 to 500 g / m 2 , from at least 0.030 (K * m 2 ) / W, in particular from 0.030 to 7,000 (K * m 2 ) / W.
- the heat transfer resistance (R CT ) was measured in accordance with the exemplary embodiments of this application based on DIN 52612: 1979 with a two-plate measuring device for samples with dimensions of 250 mm x 250 mm:
- a film that can be heated by means of a constant electrical power P.
- the film is covered both above and below with a pattern of the same material.
- Above and below the pattern there is a copper plate, which is kept at a constant temperature (T outside ) by means of an external thermostat.
- T outside constant temperature
- the temperature difference between the heated and unheated side of the sample is measured by means of a temperature sensor.
- the entire measurement setup is insulated against internal and external temperature losses by means of styrofoam.
- the volume nonwoven can be rolled up and processed further, for example as a web product, without any problems.
- a volume fleece can be produced as follows: 120 g / m 2 of 35% by weight fiber balls made of 7 dtex / 32 mm PES are siliconized (Dacron Polyester Fiberfill Type 287) to which 40% mPCM 28 ° C PC temperature enthalpy, 30% by weight fiber balls are applied made of CoPES binding fiber and 35% by weight of down and / or fine feathers and feathers from Minardi in a "SPIKE" air-laid system from Formfiber Denmark APS, which has four rows of five spiked rollers arranged in two pairs for opening the fiber raw material , placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 10 mm at 155 ° C. The residence time is 36 seconds. A rollable sheet material is produced.
- 150 g / m 2 of 50% by weight fiber balls made of wool and 50% by weight fiber balls made of CoPES binding fiber are used in a "SPIKE" air-laid system from Formfiber Denmark APS, which is arranged in two pairs to open the fiber raw material Has rows with five spiked rollers each, placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 12 mm at 155 ° C. The residence time is 36 seconds. A rollable sheet material is obtained.
- 150 g / m 2 of 50% by weight fiber balls made of silk and 50% by weight fiber balls made of CoPES binding fiber are produced in a "SPIKE" air-laid system from the company Formfiber Denmark APS, which has four rows arranged in two pairs with five spiked rollers each, placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 12 mm at 155 ° C. The residence time is 36 seconds. A rollable sheet material is obtained.
- Thickness, density, basis weight, maximum tensile strength, maximum tensile force elongation, recovery and thermal resistance (R CT ) were determined according to the methods described above.
- 125 g / m 2 of 35% by weight fiber balls made of 7 dtex / 32 mm PES are siliconized (Dacron Polyester Fiberfill Type 287), 30% by weight fiber balls made of CoPES binding fiber and 35% by weight of a down-feather mixture in a ratio of 90 : 10 from Minardi Piume Srl in a "SPIKE" air-laid system from Formfiber Denmark APS, which has four rows of five spiked rollers arranged in two pairs for opening the fiber raw material, placed on a carrier belt and placed in a double belt oven from the company Bombi Meccania solidified with a band gap of 14 mm at 178 ° C. The residence time was 43 seconds.
- a rollable sheet material was obtained with a thickness of 8 mm and a density of 15.2 g / l.
- 128 g / m 2 of 80% by weight of fiber balls made of 7 dtex / 32 mm PES are siliconized (Dacron Polyester Fiberfill Type 287) and 20% by weight of CoPES binding fiber in a "SPIKE" air-laid system from Formfiber Denmark APS , which has four rows arranged in two pairs, each with five spiked rollers, to open the fiber raw material, placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 4 mm at 170 ° C.
- a rollable sheet material was obtained with a thickness of 7.5 mm. The material had a density of 17.07 g / L.
- 128 g / m 2 of 80% by weight fiber balls made of 7 dtex / 32 mm PES are siliconized (Dacron Polyester Fiberfill Type 287) and 20% by weight CoPES binding fiber in the "SPIKE" air-laid system from Formfiber Denmark APS, the to open the fiber raw material has four rows arranged in two pairs, each with five spiked rollers, placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 30 mm, ie without stressing the fiber web, at 170 ° C. A soft, rollable sheet material was obtained, with a thickness of 25 mm. The material had a density of 5.12 g / L.
- 112 g / m 2 of 85% by weight of fiber balls (MICROROLLO® 222 SM from A. Molina & C.) and 15% by weight of PET / PE binding fiber are produced in a "SPIKE" air-laid system from Formfiber Denmark APS, which has four rows arranged in two pairs, each with five spiked rollers, is placed on a carrier belt and solidified in a double belt furnace from Bombi Meccania with a belt gap of 40 mm at 180 ° C. A rollable, stable web material with a thickness of 17 mm was obtained.
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15181388.8A EP3133196B1 (de) | 2015-08-18 | 2015-08-18 | Volumenvliesstoff |
JP2018507670A JP6571271B2 (ja) | 2015-08-18 | 2016-08-11 | ボリュームのある不織布 |
ES16750836.5T ES2689082T3 (es) | 2015-08-18 | 2016-08-11 | Tela no tejida con volumen |
EP16750836.5A EP3164535B1 (de) | 2015-08-18 | 2016-08-11 | Volumenvliesstoff |
CN201680047643.9A CN107923091B (zh) | 2015-08-18 | 2016-08-11 | 大体积无纺织物 |
PCT/EP2016/069151 WO2017029191A1 (de) | 2015-08-18 | 2016-08-11 | Volumenvliesstoff |
DK16750836.5T DK3164535T3 (en) | 2015-08-18 | 2016-08-11 | Nonwoven fabric for volume formation |
KR1020187002138A KR102035803B1 (ko) | 2015-08-18 | 2016-08-11 | 볼륨 부직포 |
PL16750836T PL3164535T3 (pl) | 2015-08-18 | 2016-08-11 | Włókninowy materiał objętościowy |
CA2993887A CA2993887C (en) | 2015-08-18 | 2016-08-11 | Volume nonwoven fabric |
US15/751,491 US10876234B2 (en) | 2015-08-18 | 2016-08-11 | Volume nonwoven fabric |
DE202016008648.1U DE202016008648U1 (de) | 2015-08-18 | 2016-08-11 | Volumenvliesstoff |
RU2018109358A RU2673762C1 (ru) | 2015-08-18 | 2016-08-11 | Объемный нетканый материал |
TW105125922A TWI610004B (zh) | 2015-08-18 | 2016-08-15 | 高容量不織布卷 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP15181388.8A EP3133196B1 (de) | 2015-08-18 | 2015-08-18 | Volumenvliesstoff |
Publications (2)
Publication Number | Publication Date |
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EP3133196A1 EP3133196A1 (de) | 2017-02-22 |
EP3133196B1 true EP3133196B1 (de) | 2020-10-14 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP15181388.8A Active EP3133196B1 (de) | 2015-08-18 | 2015-08-18 | Volumenvliesstoff |
EP16750836.5A Active EP3164535B1 (de) | 2015-08-18 | 2016-08-11 | Volumenvliesstoff |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16750836.5A Active EP3164535B1 (de) | 2015-08-18 | 2016-08-11 | Volumenvliesstoff |
Country Status (13)
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US (1) | US10876234B2 (ru) |
EP (2) | EP3133196B1 (ru) |
JP (1) | JP6571271B2 (ru) |
KR (1) | KR102035803B1 (ru) |
CN (1) | CN107923091B (ru) |
CA (1) | CA2993887C (ru) |
DE (1) | DE202016008648U1 (ru) |
DK (1) | DK3164535T3 (ru) |
ES (1) | ES2689082T3 (ru) |
PL (1) | PL3164535T3 (ru) |
RU (1) | RU2673762C1 (ru) |
TW (1) | TWI610004B (ru) |
WO (1) | WO2017029191A1 (ru) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108289789B (zh) * | 2015-12-14 | 2022-01-11 | 豪夫迈·罗氏有限公司 | 医用输送装置 |
DE102019133239A1 (de) * | 2019-12-05 | 2021-06-10 | Carl Freudenberg Kg | Artikel zur mechanischen Wundreinigung |
RU198724U1 (ru) * | 2020-02-26 | 2020-07-23 | Общество с Ограниченной Ответственностью "Фабрика Нетканых Материалов "Весь Мир" | Нетканый многослойный материал для матраса |
KR102124148B1 (ko) * | 2020-04-08 | 2020-06-18 | 최현수 | 난연성 부직포 및 그 제조방법 |
US11641960B2 (en) * | 2020-05-05 | 2023-05-09 | Mlilyusa, Inc | Cooling bedding product |
EP4124684B1 (en) * | 2021-07-26 | 2024-04-03 | Carl Freudenberg KG | Fiberball padding with different fiberball shape for higher insulation |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US4618531A (en) | 1985-05-15 | 1986-10-21 | E. I. Du Pont De Nemours And Company | Polyester fiberfill and process |
US4794038A (en) * | 1985-05-15 | 1988-12-27 | E. I. Du Pont De Nemours And Company | Polyester fiberfill |
JPS5868196U (ja) | 1981-11-04 | 1983-05-09 | 帝人株式会社 | 羽毛状構造体 |
CH676358A5 (ru) | 1986-08-29 | 1991-01-15 | Breveteam Sa | |
US4813948A (en) * | 1987-09-01 | 1989-03-21 | Minnesota Mining And Manufacturing Company | Microwebs and nonwoven materials containing microwebs |
FI85033C (fi) | 1990-03-08 | 1992-02-25 | Scanwoven Ab Oy | Vaddmatta samt foerfarande foer tillverkning av densamma. |
JPH04146250A (ja) | 1990-10-03 | 1992-05-20 | Hayashi Telempu Co Ltd | フェルト |
US5618364A (en) * | 1995-10-13 | 1997-04-08 | E. I. Du Pont De Nemours And Company | Process for lofty battings |
ES2162098T3 (es) * | 1995-10-13 | 2001-12-16 | Du Pont | Proceso para la formacion de guatas esponjadas. |
JP3219250B2 (ja) | 1996-06-19 | 2001-10-15 | チッソ株式会社 | 短繊維不織布及びそれを用いた吸収性物品 |
TW360727B (en) | 1997-05-22 | 1999-06-11 | Kang Na Hsiung Entpr Co Ltd | Method for making nonwoven of composite yarn and product thereof |
TW464706B (en) | 1999-08-31 | 2001-11-21 | Mau-Shing Kan | Process for manufacturing far infrared nonwoven fabric and product made thereby |
EP1468133A2 (en) | 2002-01-04 | 2004-10-20 | Invista Technologies S.à.r.l. | Bonded polyester fiberfill battings with a sealed outer surface having improved stretch capabilities |
US6613431B1 (en) | 2002-02-22 | 2003-09-02 | Albany International Corp. | Micro denier fiber fill insulation |
TW552330B (en) | 2002-07-26 | 2003-09-11 | Chin-Hua Hsiao | Nonwoven fluffy yarn and its manufacturing method and device |
ES2324784T3 (es) | 2003-11-07 | 2009-08-14 | Formfiber Denmark Aps | Un dispositivo de distribucion de fibra para conformado en seco de un producto fibroso. |
CN2832859Y (zh) * | 2005-06-22 | 2006-11-01 | 东华大学 | 仿羽绒材料 |
US8563449B2 (en) | 2008-04-03 | 2013-10-22 | Usg Interiors, Llc | Non-woven material and method of making such material |
JP5233053B2 (ja) | 2008-05-19 | 2013-07-10 | Esファイバービジョンズ株式会社 | エアレイド不織布製造用複合繊維及び高密度エアレイド不織布の製造方法 |
RU93404U1 (ru) | 2009-12-15 | 2010-04-27 | ОАО "Монтем" | Волокнистый нетканый материал (варианты) |
KR101052591B1 (ko) * | 2010-04-23 | 2011-07-29 | 박태근 | 볼화이버를 이용한 견면의 제조방법 및 그 견면 |
WO2012006300A1 (en) * | 2010-07-07 | 2012-01-12 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
KR101379249B1 (ko) | 2011-05-26 | 2014-03-31 | (주)비엠씨친환경산업 | 항균성 위생 부직포의 제조방법, 및 이를 이용한 항균성 위생 부직포 |
KR20140105615A (ko) * | 2011-12-30 | 2014-09-01 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 부직 섬유질 웨브의 제조 방법 및 장치 |
DE102014002060B4 (de) | 2014-02-18 | 2018-01-18 | Carl Freudenberg Kg | Volumenvliesstoffe, Verwendungen davon und Verfahren zu ihrer Herstellung |
CN107407027B (zh) * | 2014-12-17 | 2020-04-21 | 普莱玛有限公司 | 纤维球毛絮以及包括该纤维球毛絮的物品 |
-
2015
- 2015-08-18 EP EP15181388.8A patent/EP3133196B1/de active Active
-
2016
- 2016-08-11 RU RU2018109358A patent/RU2673762C1/ru active
- 2016-08-11 DK DK16750836.5T patent/DK3164535T3/en active
- 2016-08-11 JP JP2018507670A patent/JP6571271B2/ja active Active
- 2016-08-11 DE DE202016008648.1U patent/DE202016008648U1/de active Active
- 2016-08-11 ES ES16750836.5T patent/ES2689082T3/es active Active
- 2016-08-11 CA CA2993887A patent/CA2993887C/en active Active
- 2016-08-11 CN CN201680047643.9A patent/CN107923091B/zh active Active
- 2016-08-11 PL PL16750836T patent/PL3164535T3/pl unknown
- 2016-08-11 US US15/751,491 patent/US10876234B2/en active Active
- 2016-08-11 KR KR1020187002138A patent/KR102035803B1/ko active IP Right Grant
- 2016-08-11 EP EP16750836.5A patent/EP3164535B1/de active Active
- 2016-08-11 WO PCT/EP2016/069151 patent/WO2017029191A1/de active Application Filing
- 2016-08-15 TW TW105125922A patent/TWI610004B/zh active
Non-Patent Citations (1)
Title |
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Also Published As
Publication number | Publication date |
---|---|
CN107923091B (zh) | 2021-02-26 |
PL3164535T3 (pl) | 2019-03-29 |
US10876234B2 (en) | 2020-12-29 |
CA2993887A1 (en) | 2017-02-23 |
TW201713817A (zh) | 2017-04-16 |
WO2017029191A1 (de) | 2017-02-23 |
DE202016008648U1 (de) | 2018-10-25 |
KR102035803B1 (ko) | 2019-10-23 |
JP2018530680A (ja) | 2018-10-18 |
ES2689082T3 (es) | 2018-11-08 |
JP6571271B2 (ja) | 2019-09-04 |
EP3164535A1 (de) | 2017-05-10 |
DK3164535T3 (en) | 2018-10-15 |
KR20180019735A (ko) | 2018-02-26 |
CN107923091A (zh) | 2018-04-17 |
CA2993887C (en) | 2020-10-06 |
TWI610004B (zh) | 2018-01-01 |
EP3164535B1 (de) | 2018-08-08 |
US20180230630A1 (en) | 2018-08-16 |
RU2673762C1 (ru) | 2018-11-29 |
EP3133196A1 (de) | 2017-02-22 |
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