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WO2004008897A1 - Matiere de garniture de type duvet et procede de fabrication de ladite matiere - Google Patents

Matiere de garniture de type duvet et procede de fabrication de ladite matiere Download PDF

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Publication number
WO2004008897A1
WO2004008897A1 PCT/CH2003/000468 CH0300468W WO2004008897A1 WO 2004008897 A1 WO2004008897 A1 WO 2004008897A1 CH 0300468 W CH0300468 W CH 0300468W WO 2004008897 A1 WO2004008897 A1 WO 2004008897A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibers
filling material
fiber composite
areas
artificial
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.)
Ceased
Application number
PCT/CH2003/000468
Other languages
German (de)
English (en)
Inventor
Roland Stüssi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THERMOBALANCE AG
Original Assignee
THERMOBALANCE AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by THERMOBALANCE AG filed Critical THERMOBALANCE AG
Priority to AU2003245786A priority Critical patent/AU2003245786A1/en
Publication of WO2004008897A1 publication Critical patent/WO2004008897A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A47G9/0207—Blankets; Duvets
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G11/00—Artificial feathers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G1/00—Loose filling materials for upholstery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G1/00—Loose filling materials for upholstery
    • B68G2001/005—Loose filling materials for upholstery for pillows or duvets

Definitions

  • the invention is in the field of filler materials for use in or in connection with textiles. It is particularly in the field of down-like filling material and the production of the same.
  • down In addition to feathers, animal hair or processed synthetic fibers, down is also used as filling material for bedding, such as duvets and pillows. Down has the advantage that it is a natural product with very good moisture and insulation properties. Down is also very light. However, a major disadvantage of down is its very high price, especially for good quality down. In addition, when demand is high, it is becoming increasingly difficult to get down and the use of down is being criticized more and more by animal and consumer protection organizations.
  • the invention is solved by the method and the product as defined in the claims.
  • the invention relates to a down-like filling material which is characterized by a large number of artificial downs, these artificial downs comprising a large number of fibers which are at least partially connected to one another.
  • Artificial down is not only understood to mean individual, independent fiber structures which have a large number of fibers connected to one another. Artificial down can also be a multiplicity of fibers, the fibers each having a free end and preferably an end which is fixed to one another, and regions with such a multiplicity of fibers can be connected to one another.
  • artificial down is correspondingly connected to one another and / or has a structure which is essentially based on the structure of natural down.
  • This structure is characterized by a loose arrangement of fibers, which preferably includes the largest possible volume with a low weight.
  • the down-like filling material according to the invention has several advantages over natural down.
  • very cheap and high-quality raw material such as wool fibers as high-molecular protein fibers
  • wool fibers as high-molecular protein fibers
  • synthetic fibers As a result, natural properties, such as the moisture absorption capacity of wool, can be improved or changed by synthetic fibers.
  • the structure and / or the physical and chemical properties of down are modeled, so that the filling material according to the invention is in no way inferior to natural down with regard to the insulation properties.
  • a structure based on natural down is realized, for example, by fibers that are connected to one another at one end, e.g. B. knotted or glued, while its other end is free or loose.
  • the down-like filling material according to the invention contains a large number of artificial downs - individually or connected - and is particularly suitable for use in bedding such as duvets, blankets, pillows etc. and items of clothing such as jackets, gloves, etc.
  • bedding and clothing that is not only cost-effective compared to bedding and clothing filled with natural down Offer advantages.
  • Moisture or the removal of moisture is a very big problem, especially in bedding.
  • wool fibers are also high molecular weight protein fibers, but have a higher moisture storage capacity than natural down. This property can be transferred to the artificial down made from it.
  • the bedding produced therefrom is at least equal, if not superior, to a bedding filled with natural down, also in terms of hygiene.
  • the same aspects apply to items of clothing.
  • the replacement of natural down in, for example, down jackets with filler material according to the invention with interconnected artificial down can enormously simplify the production of such jackets.
  • there is additional scope in the design of the items of clothing since there is no longer any need for topstitching to keep the down in place.
  • Fibers Animal, vegetable or synthetic fibers per se or in combination with one another can be used as fibers. Fibers are preferably used which have the same or similar properties - intrinsic and structural - like down, in particular with regard to the moisture storage capacity or the mechanical strength. Wool fibers or synthetic fibers made of polyacrylonitrile are particularly suitable for this. For example, wool fibers, synthetic fibers, but also cellulose fibers, such as. B. hemp fibers, have the additional advantage that there are relatively long fibers that make processing into braids, braids, strands, knitwear, etc., easier.
  • the process for the production of down-like filling material can be based on different concepts.
  • a manufacturing concept is selected based on the requirements placed on the filling material and where it should be used.
  • the individual concepts are adapted and / or changed as required, for example due to the existing infrastructure. Examples of requirements for the filling material or the manufacturing process are: the number of process steps, the use of chemicals or glue, the structure of the filling material according to the invention, the type of fiber processing, the production of the filling material by the meter, the handling / storage of the filling material etc. ,
  • fibers are processed into a fiber composite, the fiber composite then being cut transversely to its longitudinal direction and thereby being divided into individual sections.
  • the fibers of the individual sections are at least partially interconnected.
  • these sections form individual artificial downs or are further processed into them.
  • they are treated, for example, in further process steps in such a way that they acquire a down-like structure with a loose arrangement of fibers, which fibers are connected to one another at one end, for example knotted or glued to one another at a common location, and their other end freely, for example protruding is.
  • Additional advantages of filler material produced according to this concept are that it can be produced very cheaply and quickly in large quantities, possibly includes few process steps and shorter fibers can also be used and that natural down is essentially replaced 1: 1 with the artificial down according to the invention can.
  • fibers are processed into a plurality of areas with a loose arrangement of fibers, such that a plurality of these areas are connected to adjacent areas with a loose arrangement of fibers.
  • the area with a loose array of fibers is characterized in that the fibers of the array are attached at one end, e.g. B. tied or tied or glued, and the other end is free.
  • This area can be a z. B. brush-shaped, fan-shaped or starfish-like arrangement of fibers.
  • the fibers of this area can, however, also be arranged side by side as lined up on a clothesline.
  • the fibers are processed, for example, by embroidering, knitting, weaving, knitting, weaving, spinning or producing knitted fabrics to produce a flat fiber structure, for example a knitted fabric, with areas connected to one another with a loose arrangement of fibers.
  • the connection areas between the individual areas of loose arrangements of fibers are preferably fibers processed with one another in the same way as the fiber fabric and are designed, for example, as individual or branched webs.
  • the connection areas are also preferably designed such that they allow separation of individual areas with loose arrangements of fibers without cutting or destroying them.
  • the connecting areas have partial areas which, together with the areas with a loose arrangement of fibers, form artificial down, these partial areas preferably being areas with a dense, compact arrangement of fibers, a so-called core area.
  • a major advantage of filling material produced according to this second concept is that it can be produced by the meter and can essentially be divided into pieces of any size. Connected artificial downs simplify and simplify handling during storage, processing, and use in items of clothing such as jackets, for example, since no individual downs slip anymore. Another advantage is that this filling material can be produced entirely without adhesive and with very few process steps.
  • Fibers e.g. B. high-arch wool fibers are used, which let the total volume of the filler be as large as possible.
  • the fibers can be bent or crimped in a manufacturing process step Bend or curl. This is done, for example, by using hydrogen peroxide (H 2 O 2 ).
  • Fig. 3a-3c two views of a simplified structure of a fiber composite (3a, 3b), and a process step (3c) for the production of artificial down with a loose arrangement of fibers.
  • FIG 5 shows an intermediate product of an embodiment of the method according to the invention in accordance with the second concept.
  • a fiber composite 1 is shown, which is made of individual fibers 2, z. B. embroidered, woven, spun, etc., and optionally is glued.
  • the fibers 2, e.g. B. wool fibers, hemp fibers or synthetic fibers, run essentially in a longitudinal direction of the fiber composite 1, but can be arranged essentially as desired. This is represented by a fiber running directly in the longitudinal direction, a spiral 2b and a wave-shaped 2c.
  • the fiber composite 1 is cut along the cutting lines S and S ', so that a disk-shaped section 3 is formed.
  • the fiber composite 1 contains, depending on its thickness, individual fibers, these being connected to one another by the original type of production of the fiber composite 1 and thereby held together. This is done, for example, by very compact embroidery or by means of an adhesive, in which the fibers are embedded like in a matrix.
  • FIG. 2 shows a fiber composite which is not built up uniformly over its cross section. It has an inner region arranged centrally to its longitudinal direction, a core region 20 a, and an outer region 20 b. Individual fibers are not drawn for reasons of clarity.
  • the two areas 20a, 20b differ, for example, by one or more of the following properties: a) different fiber composition, e.g. B. natural fibers, mixed fibers, b) different fiber processing, z. B. fiber density, fiber twist or c) different adhesives, eg. B. polar, non-polar adhesive in which fibers are embedded.
  • the inner region 20a contains, for example, synthetic fiber additives and a non-water-soluble adhesive
  • the outer region 20b is made of wool fibers and coated with water-soluble adhesive, e.g. B. corn starch was treated.
  • the fibers of the outer region 20b are at least partially connected to fibers of the inner region 20a, e.g. B. by forfeiting or gluing fibers, such as due to the type of weaving / spinning technique or the use of a non-water-soluble adhesive.
  • a section 23 is cut out along the cutting lines T and T ', which, depending on the production method of the filler material, has a thickness in an advantageous range of 0.2 to 5 cm, typically 1-3.5 cm, e.g. B. 2cm.
  • the thickness of the sections 23 can also be influenced by the type of production of the fiber composite, which is preferably produced by means of embroidery, knitting, spinning, weaving, acting and / or gluing fibers.
  • the original thickness of the sections 23 determines, in addition to the processing of the fibers, for. B. the winding, essentially the final length of the fibers of the outer region 20b.
  • section 23 is compressed or shrunk so that the sections become flatter, for example disk-shaped. This is preferably done by means of thermal shrinking of the synthetic fibers previously introduced into the inner core region 20a.
  • the water-soluble adhesive is released from the outer region 20b, so that the fibers of this outer region form a loose star-shaped arrangement of fibers 22b around the shrunk core region 22a with tightly arranged, i.e. form essentially no interstices, fibers. If the core area is shrunk into a knot-like structure, the outer free ends of the fibers of the outer area lie essentially on a spherical surface.
  • the artificial down 30 produced according to this or an equivalent method are at least equal to down not only because of the intrinsic properties of the fibers used, but also because of their external structure.
  • the structure of a fiber composite shown in simplified form is shown in FIGS. 3a-c.
  • the fiber composite contains several, here three, single strands 31a-c, which are each formed from several, here again three, fibers 32 ac.
  • the single strands 31a-c are by means of an adhesive 33, for. B. a non-polar adhesive, along a in the sheet plane (Fig. 3a, 3b) leading, with L (Fig. 3c) designated longitudinal direction of the individual strands connected to each other or attached to each other.
  • a different fiber 32a-c is connected to the further individual strands 31b, 31c in the first longitudinal regions y of the individual strand 31a.
  • This can be used to produce an artificial down, as shown for example in Figure 2.
  • the outer fiber 32b is severed on further longitudinal regions x of the single strand 31a.
  • This creates (x) elongated fibers fixed to each other in a core area, the outer ends of which are free and which ultimately form the loose arrangement of fibers of an artificial down in an outer area.
  • the length of the fibers 1/2 thus created can be chosen as desired and is determined by the type of manufacture of the individual strands and, if appropriate, by the thickness of the sections to be cut.
  • the lateral partial incision of the fiber composite and thus the cutting of only outer fibers of the outer area, e.g. by means of one or more blades guided along the fiber composite leads to the fact that part of a fiber is connected to the inner region of the fiber composite and fibers which run essentially in a star shape extend outwards from the inner core region.
  • FIG. 4 shows several process steps of a further application of the process for the production of filler material according to the invention.
  • a Tendon 40 for example a chemically or physically modified polyester fiber, forms the inner core area of a fiber composite.
  • This tendon 40 is a high shrink fiber with a shrinkage of approx. 55-85%, e.g. B. 70%.
  • the tendon 40 is spun or taped with intermediate fibers 41, such as wool fibers, yarn, twine, etc. These intermediate fibers 41 are used to attach wool yarn 42 to the tendon 40.
  • the braided tendon 40 is transversely wound, strapped or taped with these wool yarns 42. Adhesives, possibly with different polarities, can be used for gluing.
  • the intermediate fibers 41 themselves can also serve to glue the wool yarns to the tendon 40.
  • the intermediate fibers are, for example, synthetic fibers with a very low melting point. The melting point should be lower than the temperature required for the shrinking of the shrinking fiber, so that, if this is not desired at this point in time, it is not influenced or only marginally influenced during the melting process of the intermediate fibers.
  • the intermediate fibers can be treated instead of thermally, for example also with a solvent.
  • the solidified wool yarns 42 are now cut open laterally along the fiber composite, which is indicated by blades 47.
  • this fiber composite is divided into individual sections 50, which is indicated in the figure at the top right by dashed arrows.
  • the individual sections 50 are now treated thermally, optionally also chemically, so that the chord section 40 'shrinks until an essentially round core 40a is formed.
  • the core 40a forms an artificial down with the outer region 40b with the loose arrangement of fibers fanned out in a star-shaped or spherical manner.
  • the wool yarns can also be crimped to increase the volume of the filling material. This can be done by triggering a chemical reaction between the wool fiber molecules with a crimping agent, typically associated with a disulfide exchange.
  • Cross-links of the chain molecules of the wool fibers are characterized by several possible types of binding, the cystine and hydrogen bonds, in so-called side chains of the molecules, being preferably used for shape fixation, ie crimping.
  • FIG. 5 shows an intermediate product of an embodiment of a filling material according to the invention, which is produced by a method according to the second concept.
  • a knitted fabric or a knitted fabric 60 is shown with a plurality of areas with a tuft-shaped, loose arrangement of fibers 61.
  • the fibers of the arrangement are connected at one end to the knitted fabric, while the other end projects freely.
  • the areas with a loose arrangement of fibers 61 are connected to one another by connecting areas 62.
  • the connecting areas 62 are fibers knitted together to form fine strands and have ring-shaped partial areas 63, to which the fibers of the areas are fastened with a loose arrangement of fibers 61, attached or knitted here.
  • the ring-shaped partial areas 63 contain shrink fibers, so that in a process step after the knitted fabric 60 has been produced, these partial areas 63 can be thermally shrunk.
  • the entire knitted fabric 60 is thus compressed and 63 knots are formed from the ring-shaped partial regions.
  • the knots form the core areas for artificial down and, together with the loose arrangements of fibers, complete artificial down.
  • these artificial downs are still connected to a plurality of artificial downs via the branched connection regions 62 and form an essentially flat filling material. Depending on the intended use, this can be cut as desired by cutting connection areas.
  • connection areas 62 also influence the arrangement of the loose fibers, for example in that they are fanned out in 2 or 3 dimensions and / or in different directions.
  • larger parts of the connection areas 62 can also contain shrink fibers in order to be able to further compress the knitted fabric 60.
  • the knitted fabric 60 also does not have to be produced by knitting. For example, it can also be produced as a mesh or by embroidery, knitting, weaving or knotting or any other known type of fiber processing.
  • an additional process step is necessary or recommended.
  • This can be a washing cycle or a treatment, for example to provide the fibers used with a felt-free finish, to remove or neutralize any chemical substances.
  • This can also include removing adhesive or other strengthening agent, e.g. B. paraffin, which was used for example to strengthen a fiber composite in order to facilitate the cutting process.
  • step B can take place before step A and thermal shrinkage can be combined, for example, with a possible release of paraffin with which the fiber composite has been treated.
  • Paraffin is particularly suitable for this because of its low melting point. It can be triggered and reused very easily. Strength can also be achieved, for example, by treating the fiber composite with a volatilizing agent, e.g. B. liquid nitrogen can be achieved.
  • a volatilizing agent e.g. B. liquid nitrogen can be achieved.
  • Such artificial down preferably have a rather delicate structure, e.g. B. flake-like or flake-like or star-shaped with typically a loose arrangement of fibers.
  • it is also possible to design the structure of the artificial down so that it contains a cavity and thus contribute to the volume of the filling material.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

Matière de garniture de type duvet et procédé de fabrication de ladite matière qui est constituée d'une pluralité de plumes de duvet synthétiques (30) et qui est particulièrement adaptée pour être utilisée dans la literie et les vêtements. Dans un mode de réalisation du procédé de fabrication de la matière de garniture selon la présente invention, des fibres (32a-c) sont traitées de manière à obtenir un groupe aggloméré de fibres (10), le groupe aggloméré de fibres (10) est alors coupé transversalement par rapport à son extension longitudinale (L) et donc subdivisé en segments individuels (3, 23, 50), les fibres (32a-c) des segments individuels (3, 23, 50) étant au moins en parties reliées les unes aux autres. Dans un autre mode de réalisation dudit procédé, les fibres (32a-c) sont travaillées ensemble de manière telle qu'il en résulte une structure de fibres plane à plumes de duvet synthétiques (30) reliées les unes aux autres. Selon le type des fibres utilisées (32a-c), et la configuration et / ou le traitement des fibres, du groupe aggloméré de fibres (10), des segments individuels (3, 23, 50) ou de la structure de fibres plane, il est possible de fabriquer du duvet synthétique (30) ou de la matière de garniture qui possèdent non seulement des propriétés intrinsèquement similaires au duvet naturel, mais aussi des similitudes structurales avec le duvet naturel.
PCT/CH2003/000468 2002-07-18 2003-07-15 Matiere de garniture de type duvet et procede de fabrication de ladite matiere Ceased WO2004008897A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003245786A AU2003245786A1 (en) 2002-07-18 2003-07-15 Downy filling material and method for producing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1253/02 2002-07-18
CH12532002 2002-07-18

Publications (1)

Publication Number Publication Date
WO2004008897A1 true WO2004008897A1 (fr) 2004-01-29

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PCT/CH2003/000468 Ceased WO2004008897A1 (fr) 2002-07-18 2003-07-15 Matiere de garniture de type duvet et procede de fabrication de ladite matiere

Country Status (2)

Country Link
AU (1) AU2003245786A1 (fr)
WO (1) WO2004008897A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101410763B1 (ko) 2012-02-17 2014-07-01 주식회사 현성부직포 인공우모 부직포 및 이의 제조방법
CN104706116A (zh) * 2013-12-14 2015-06-17 招远鲁娃婴幼儿用品有限公司 一种儿童床单
CN107090647A (zh) * 2017-05-11 2017-08-25 安徽库仑环境科技有限公司 一种用于防霾窗的导静电纱网的制作方法
US20180320367A1 (en) * 2015-10-16 2018-11-08 Ultracell Insulation, Llc Cellulose-based insulation and methods of making the same

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Publication number Priority date Publication date Assignee Title
DE1560796A1 (de) * 1965-10-08 1970-05-06 Bayer Ag Daunenaehnliches Fuellmaterial aus Textil-Fasern
FR2052438A5 (en) * 1969-06-14 1971-04-09 Brinkhaus Glass fibre pillow and bed cover filling
US3654884A (en) * 1969-12-11 1972-04-11 Thiokol Chemical Corp Tufted pile fabric
US3892909A (en) * 1973-05-10 1975-07-01 Qst Industries Synthetic down
JPS5756561A (en) * 1980-12-01 1982-04-05 Kuraray Co Fiber structure and production thereof
EP0067498A1 (fr) * 1981-06-08 1982-12-22 Kuraray Co., Ltd. Matériau de remplissage et sa fabrication
EP0279677A2 (fr) * 1987-02-20 1988-08-24 Albany International Corp. Duvet artificiel
JPS6420628A (en) * 1987-07-16 1989-01-24 Agency Ind Science Techn Flattening method
WO1991016485A1 (fr) * 1990-04-12 1991-10-31 E.I. Du Pont De Nemours And Company Remplissages et autres aspects de fibres
WO1992001626A2 (fr) * 1990-07-18 1992-02-06 Tesch Guenter Agregats de fibres utile comme materiau de moulage ou de rembourrage de matieres textiles, telles que couvertures, vetements ou similaires
US5382153A (en) * 1990-08-25 1995-01-17 Hoechst Aktiengesellschaft Apparatus for producing filling material for three-dimensionally shaped textile structures
JPH11169566A (ja) * 1997-12-09 1999-06-29 Toray Ind Inc 詰め物材
JP2000270973A (ja) * 1999-03-23 2000-10-03 Toray Ind Inc 詰め物材

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Publication number Priority date Publication date Assignee Title
DE1560796A1 (de) * 1965-10-08 1970-05-06 Bayer Ag Daunenaehnliches Fuellmaterial aus Textil-Fasern
FR2052438A5 (en) * 1969-06-14 1971-04-09 Brinkhaus Glass fibre pillow and bed cover filling
US3654884A (en) * 1969-12-11 1972-04-11 Thiokol Chemical Corp Tufted pile fabric
US3892909A (en) * 1973-05-10 1975-07-01 Qst Industries Synthetic down
JPS5756561A (en) * 1980-12-01 1982-04-05 Kuraray Co Fiber structure and production thereof
EP0067498A1 (fr) * 1981-06-08 1982-12-22 Kuraray Co., Ltd. Matériau de remplissage et sa fabrication
EP0279677A2 (fr) * 1987-02-20 1988-08-24 Albany International Corp. Duvet artificiel
JPS6420628A (en) * 1987-07-16 1989-01-24 Agency Ind Science Techn Flattening method
WO1991016485A1 (fr) * 1990-04-12 1991-10-31 E.I. Du Pont De Nemours And Company Remplissages et autres aspects de fibres
WO1992001626A2 (fr) * 1990-07-18 1992-02-06 Tesch Guenter Agregats de fibres utile comme materiau de moulage ou de rembourrage de matieres textiles, telles que couvertures, vetements ou similaires
US5382153A (en) * 1990-08-25 1995-01-17 Hoechst Aktiengesellschaft Apparatus for producing filling material for three-dimensionally shaped textile structures
JPH11169566A (ja) * 1997-12-09 1999-06-29 Toray Ind Inc 詰め物材
JP2000270973A (ja) * 1999-03-23 2000-10-03 Toray Ind Inc 詰め物材

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PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11 30 September 1999 (1999-09-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101410763B1 (ko) 2012-02-17 2014-07-01 주식회사 현성부직포 인공우모 부직포 및 이의 제조방법
CN104706116A (zh) * 2013-12-14 2015-06-17 招远鲁娃婴幼儿用品有限公司 一种儿童床单
US20180320367A1 (en) * 2015-10-16 2018-11-08 Ultracell Insulation, Llc Cellulose-based insulation and methods of making the same
US12116776B2 (en) * 2015-10-16 2024-10-15 Cleanfiber Inc. Cellulose-based insulation and methods of making the same
CN107090647A (zh) * 2017-05-11 2017-08-25 安徽库仑环境科技有限公司 一种用于防霾窗的导静电纱网的制作方法

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