US20200071850A1 - Hollow Fiber Structure of Aerogel and Method for Manufacturing the Hollow Fiber Structure - Google Patents

Hollow Fiber Structure of Aerogel and Method for Manufacturing the Hollow Fiber Structure Download PDF

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Publication number
US20200071850A1
US20200071850A1 US16/114,313 US201816114313A US2020071850A1 US 20200071850 A1 US20200071850 A1 US 20200071850A1 US 201816114313 A US201816114313 A US 201816114313A US 2020071850 A1 US2020071850 A1 US 2020071850A1
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United States
Prior art keywords
monofilaments
aerogel
artificial polymer
fiber structure
staple
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US16/114,313
Inventor
Deng-Po Shiau
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Nam Liong Enterprise Co Ltd
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Nam Liong Enterprise Co Ltd
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Priority to US16/114,313 priority Critical patent/US20200071850A1/en
Assigned to NAM LIONG ENTERPRISE CO., LTD. reassignment NAM LIONG ENTERPRISE CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHIAU, DENG-PO
Publication of US20200071850A1 publication Critical patent/US20200071850A1/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/16—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated carboxylic acids or unsaturated organic esters, e.g. polyacrylic esters, polyvinyl acetate
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

Definitions

  • the present invention relates to a fiber structure and, more particularly, to a hollow fiber structure of an aerogel and a method for manufacturing the hollow fiber structure.
  • the manufacturer always wishes to make a textile product that has a lighter weight, has a better warming effect and has an excellent thermal isolating feature, so as to provide a comfortable sensation to the consumer.
  • the above features and purposes concerning the textile product are achieved by improving the spinning procedures and the textile material.
  • the spinning procedures and the textile material encounter a bottleneck and cannot advance easily.
  • the primary objective of the present invention is to provide a multi-filament fiber thread made of aerogel material, wherein each of the monofilaments of the multi-filament fiber thread has a hollow shape.
  • the aerogel has multiple pores, and each of the monofilaments is hollow, so that the multi-filament fiber thread has a light weight and has a better isolation effect.
  • a fiber structure comprising a fiber thread including a plurality of monofilaments juxtaposed to and combined with each other.
  • Each of the monofilaments has a hollow shape.
  • Each of the monofilaments is made of an aerogel and an artificial polymer. The aerogel and the artificial polymer are mixed together.
  • the aerogel of each of the monofilaments has a mass proportion of 0.5-10%.
  • the artificial polymer of each of the monofilaments is made of PP, polyester, Nylon or acrylic.
  • the fiber thread has a specification of 70D/72F.
  • a method for manufacturing a fiber structure comprising preparing a staple including an aerogel and an artificial polymer, hot melting the staple into a spinning solution and spinning the spinning solution by a plurality of annular injection holes to form a plurality of hollow monofilaments, and juxtaposing and combining the monofilaments into a fiber thread.
  • the step of preparing a staple includes adding powder of the aerogel and mixing the powder of the aerogel with the artificial polymer during polymerization of the artificial polymer to form the staple.
  • the method further comprises working the fiber thread after the step of juxtaposing and combining the monofilaments.
  • FIG. 1 is a partially perspective view of a fiber structure in accordance with the preferred embodiment of the present invention.
  • FIG. 2 is a flow chart of a method for manufacturing the hollow fiber structure in accordance with the preferred embodiment of the present invention.
  • the fiber thread 1 has a specification of 70D/72F.
  • the character “D” designates Denier (or Den) which means the weight (gram) of a fiber per nine thousand meters (9,000 m) of length.
  • 1D means the fiber has a weight of one gram (1 g) per 9,000 m.
  • the character “F” designates the number of the monofilament of the fiber.
  • the symbol of 70D/72F means the fiber thread 1 has a weight of 70 g per 9,000 m and has seventy two (72) monofilaments 11 .
  • a method for manufacturing the hollow fiber structure comprises a first step 2 of preparing a staple, a second step 3 of forming the monofilaments 11 , a third step 4 of forming the fiber thread 1 , and a fourth step 5 of working the fiber thread 1 .
  • the first step 2 includes preparing a staple including an aerogel and an artificial polymer which are mixed together, with the aerogel having a mass proportion of 0.5-10%, and with the artificial polymer being made of PP, polyester, Nylon or acrylic.
  • the fourth step 5 includes performing a working process on the fiber thread 1 .
  • the second step 3 includes spinning the spinning solution into the hollow monofilaments 11 by fuse spinning, wet spinning or dry spinning
  • the staple is thrown into a hopper and then enters a screw press so that the staple is heated in the screw press and melted to form the spinning solution.
  • the spinning solution is pressed by the screw press and delivered into a spinning box.
  • a counting pump in the spinning box conveys the spinning solution to a nozzle (or an injection board).
  • the spinning solution is extruded through multiple injection holes of the nozzle to form the monofilaments 11 .
  • the monofilaments 11 are cooled.
  • each of the injection holes of the nozzle has an annular shape, so that each of the monofilaments 11 has a hollow shape.
  • the third step 4 includes guiding the monofilaments 11 by a guiding device and juxtaposing and combining the monofilaments 11 to form the fiber thread 1 .
  • the guiding device is a guide disk.
  • the fourth step 5 includes working the fiber thread 1 by drawing, heating, curling or twisting, to enhance the elasticity, strength and suspension of the fiber thread 1 .
  • the working procedures of the fiber thread 1 are traditional and will not be further described in detail.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)

Abstract

A fiber structure includes a fiber thread including a plurality of monofilaments juxtaposed to and combined with each other. Each of the monofilaments has a hollow shape. Each of the monofilaments is made of an aerogel and an artificial polymer. The aerogel and the artificial polymer are mixed together.

Description

    BACKGROUND OF THE INVENTION 1. Field of the Invention
  • The present invention relates to a fiber structure and, more particularly, to a hollow fiber structure of an aerogel and a method for manufacturing the hollow fiber structure.
    • 2. Description of the Related Art
  • In the textile industry, the manufacturer always wishes to make a textile product that has a lighter weight, has a better warming effect and has an excellent thermal isolating feature, so as to provide a comfortable sensation to the consumer. The above features and purposes concerning the textile product are achieved by improving the spinning procedures and the textile material. However, the spinning procedures and the textile material encounter a bottleneck and cannot advance easily.
    • BRIEF SUMMARY OF THE INVENTION
  • The primary objective of the present invention is to provide a multi-filament fiber thread made of aerogel material, wherein each of the monofilaments of the multi-filament fiber thread has a hollow shape. Thus, the aerogel has multiple pores, and each of the monofilaments is hollow, so that the multi-filament fiber thread has a light weight and has a better isolation effect.
  • In accordance with the present invention, there is provided a fiber structure comprising a fiber thread including a plurality of monofilaments juxtaposed to and combined with each other. Each of the monofilaments has a hollow shape. Each of the monofilaments is made of an aerogel and an artificial polymer. The aerogel and the artificial polymer are mixed together.
  • Preferably, the aerogel of each of the monofilaments has a mass proportion of 0.5-10%.
  • Preferably, the artificial polymer of each of the monofilaments is made of PP, polyester, Nylon or acrylic.
  • Preferably, the fiber thread has a specification of 70D/72F.
  • In accordance with the present invention, there is further provided a method for manufacturing a fiber structure, comprising preparing a staple including an aerogel and an artificial polymer, hot melting the staple into a spinning solution and spinning the spinning solution by a plurality of annular injection holes to form a plurality of hollow monofilaments, and juxtaposing and combining the monofilaments into a fiber thread.
  • Preferably, the step of preparing a staple includes obtaining powder of the aerogel and particles of the artificial polymer, and evenly mixing the powder of the aerogel and the particles of the artificial polymer to form the staple.
  • Preferably, the step of preparing a staple includes adding powder of the aerogel and mixing the powder of the aerogel with the artificial polymer during polymerization of the artificial polymer to form the staple.
  • Preferably, the method further comprises working the fiber thread after the step of juxtaposing and combining the monofilaments.
  • According to the primary advantage of the present invention, each of the monofilaments contains the aerogel material which is porous and has a light weight. In addition, the aerogel material has an excellent thermal isolating feature, has greater strength and has a low density. Besides, each of the monofilaments has a hollow construction. Thus, the product made of the fiber thread 1 has a better isolating feature and has a lighter weight.
  • Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
    • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S)
  • FIG. 1 is a partially perspective view of a fiber structure in accordance with the preferred embodiment of the present invention.
  • FIG. 2 is a flow chart of a method for manufacturing the hollow fiber structure in accordance with the preferred embodiment of the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to the drawings and initially to FIG. 1, a hollow fiber structure in accordance with the preferred embodiment of the present invention comprises a fiber thread 1 including a plurality of monofilaments 11 juxtaposed to and combined with each other.
  • Each of the monofilaments 11 has a hollow (or tubular) shape. Each of the monofilaments 11 is made of an aerogel and an artificial polymer. The aerogel and the artificial polymer are mixed together. Each of the monofilaments 11 contains a plurality of aerogel particles 111 which are distributed evenly in each of the monofilaments 11. The aerogel of each of the monofilaments 11 has a mass proportion of 0.5-10%, and the artificial polymer of each of the monofilaments 11 has a mass proportion of 90-99.5%. The aerogel of each of the monofilaments 11 is made of silicon, carbon, nickel or the like, and the artificial polymer of each of the monofilaments 11 is made of PP, polyester, Nylon or acrylic.
  • In the preferred embodiment of the present invention, the fiber thread 1 has a specification of 70D/72F. The character “D” designates Denier (or Den) which means the weight (gram) of a fiber per nine thousand meters (9,000 m) of length. For example, 1D means the fiber has a weight of one gram (1 g) per 9,000 m. In addition, the character “F” designates the number of the monofilament of the fiber. Thus, the symbol of 70D/72F means the fiber thread 1 has a weight of 70 g per 9,000 m and has seventy two (72) monofilaments 11.
  • In the preferred embodiment of the present invention, the aerogel of each of the monofilaments 11 is porous and has multiple pores. For example, each of the aerogel particles 111 has multiple pores as shown in FIG. 1. Thus, each of the monofilaments 11 has a small density and has an excellent isolating effect. In addition, each of the monofilaments 11 is hollow so that the fiber thread 1 has a lighter weight.
  • Referring to FIG. 2 with reference to FIG. 1, a method for manufacturing the hollow fiber structure comprises a first step 2 of preparing a staple, a second step 3 of forming the monofilaments 11, a third step 4 of forming the fiber thread 1, and a fourth step 5 of working the fiber thread 1.
  • The first step 2 includes preparing a staple including an aerogel and an artificial polymer which are mixed together, with the aerogel having a mass proportion of 0.5-10%, and with the artificial polymer being made of PP, polyester, Nylon or acrylic.
  • The second step 3 includes hot melting the staple into a spinning solution and spinning the spinning solution into a plurality of hollow monofilaments 11 each of which contains a plurality of aerogel particles 111, with the aerogel particles 111 being distributed evenly in each of the monofilaments 11.
  • The third step 4 includes juxtaposing and combining the monofilaments 11 into a fiber thread 1.
  • The fourth step 5 includes performing a working process on the fiber thread 1.
  • In the preferred embodiment of the present invention, the first step 2 includes directly evenly mixing powder of the aerogel and particles of the artificial polymer to form the staple.
  • Alternatively, the first step 2 includes adding powder of the aerogel and mixing the powder of the aerogel with the artificial polymer during polymerization of the artificial polymer to form the staple with a mixture of the aerogel and the artificial polymer.
  • In the preferred embodiment of the present invention, the second step 3 includes spinning the spinning solution into the hollow monofilaments 11 by fuse spinning, wet spinning or dry spinning For example, when the fuse spinning is performed, the staple is thrown into a hopper and then enters a screw press so that the staple is heated in the screw press and melted to form the spinning solution. Then, the spinning solution is pressed by the screw press and delivered into a spinning box. Then, a counting pump in the spinning box conveys the spinning solution to a nozzle (or an injection board). Then, the spinning solution is extruded through multiple injection holes of the nozzle to form the monofilaments 11. Then, the monofilaments 11 are cooled. At this time, each of the injection holes of the nozzle has an annular shape, so that each of the monofilaments 11 has a hollow shape.
  • In the preferred embodiment of the present invention, the third step 4 includes guiding the monofilaments 11 by a guiding device and juxtaposing and combining the monofilaments 11 to form the fiber thread 1. Preferably, the guiding device is a guide disk.
  • In the preferred embodiment of the present invention, the fourth step 5 includes working the fiber thread 1 by drawing, heating, curling or twisting, to enhance the elasticity, strength and suspension of the fiber thread 1. The working procedures of the fiber thread 1 are traditional and will not be further described in detail.
  • Accordingly, the aerogel is porous and has low density, and each of the monofilaments 11 has a hollow shape, so that the product made of the fiber thread 1 has a better isolating feature and has a lighter weight.
  • Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the scope of the invention.

Claims (8)

1. A fiber structure comprising:
a fiber thread including a plurality of monofilaments juxtaposed to and combined with each other;
wherein:
each of the monofilaments has a hollow shape;
each of the monofilaments is made of an aerogel and an artificial polymer; and
the aerogel and the artificial polymer are mixed together.
2. The fiber structure of claim 1, wherein the aerogel of each of the monofilaments has a mass proportion of 0.5-10%.
3. The fiber structure of claim 1, wherein the artificial polymer of each of the monofilaments is made of PP, polyester, Nylon or acrylic.
4. The fiber structure of claim 1, wherein the fiber thread has a specification of 70D/72F.
5. A method for manufacturing a fiber structure, comprising:
preparing a staple including an aerogel and an artificial polymer,
hot melting the staple into a spinning solution and spinning the spinning solution by a plurality of annular injection holes to form a plurality of hollow monofilaments, and
juxtaposing and combining the monofilaments into a fiber thread.
6. The method of claim 5, wherein the step of preparing a staple includes obtaining powder of the aerogel and particles of the artificial polymer, and evenly mixing the powder of the aerogel and the particles of the artificial polymer to form the staple.
7. The method of claim 5, wherein the step of preparing a staple includes adding powder of the aerogel and mixing the powder of the aerogel with the artificial polymer during polymerization of the artificial polymer to form the staple.
8. The method of claim 5, further comprising:
working the fiber thread after the step of juxtaposing and combining the monofilaments.
US16/114,313 2018-08-28 2018-08-28 Hollow Fiber Structure of Aerogel and Method for Manufacturing the Hollow Fiber Structure Abandoned US20200071850A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111620667A (en) * 2020-04-22 2020-09-04 佛山湘潭大学绿色智造研究院 Aerogel fiber, preparation method and application thereof
KR102319242B1 (en) * 2021-01-05 2021-11-01 이상열 Clothes manufacturing method for weight lightening and non-sewing
CN114592246A (en) * 2021-12-27 2022-06-07 浙江恒逸高新材料有限公司 Preparation process of three-dimensional crimped hollow polyester staple fiber

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US20150292115A1 (en) * 2012-11-01 2015-10-15 Sung Jin Oh Preparation method for multifunctional polyester fibre and multifunctional polyester fibre prepared thereby
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