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HK1199073A1 - Fibre-forming process and fibres produced by the process - Google Patents

Fibre-forming process and fibres produced by the process

Info

Publication number
HK1199073A1
HK1199073A1 HK14112663.5A HK14112663A HK1199073A1 HK 1199073 A1 HK1199073 A1 HK 1199073A1 HK 14112663 A HK14112663 A HK 14112663A HK 1199073 A1 HK1199073 A1 HK 1199073A1
Authority
HK
Hong Kong
Prior art keywords
fibre
fibres produced
forming process
forming
fibres
Prior art date
Application number
HK14112663.5A
Other languages
English (en)
Chinese (zh)
Inventor
亞歷山德拉.蘇提
林彤
亞歷山大.馬克.柯克蘭
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
Priority claimed from AU2011904299A external-priority patent/AU2011904299A0/en
Application filed filed Critical
Publication of HK1199073A1 publication Critical patent/HK1199073A1/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/40Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/06Wet spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/26Formation of staple fibres
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F4/00Monocomponent artificial filaments or the like of proteins; Manufacture thereof
    • D01F4/02Monocomponent artificial filaments or the like of proteins; Manufacture thereof from fibroin
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/16Monocomponent 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
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/20Monocomponent 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 cyclic compounds with one carbon-to-carbon double bond in the side chain
    • D01F6/22Monocomponent 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 cyclic compounds with one carbon-to-carbon double bond in the side chain from polystyrene
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/30Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/36Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated carboxylic acids or unsaturated organic esters as the major constituent
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D01F6/625Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326Condensation or reaction polymers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)
HK14112663.5A 2011-10-18 2014-12-17 Fibre-forming process and fibres produced by the process HK1199073A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2011904299A AU2011904299A0 (en) 2011-10-18 Process for the preparation of polymer fibres
PCT/AU2012/001273 WO2013056312A1 (en) 2011-10-18 2012-10-18 Fibre-forming process and fibres produced by the process

Publications (1)

Publication Number Publication Date
HK1199073A1 true HK1199073A1 (en) 2015-06-19

Family

ID=48140231

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14112663.5A HK1199073A1 (en) 2011-10-18 2014-12-17 Fibre-forming process and fibres produced by the process

Country Status (11)

Country Link
US (1) US9920454B2 (de)
EP (1) EP2748359B1 (de)
JP (2) JP2014535010A (de)
KR (1) KR101987120B1 (de)
CN (1) CN104024494B (de)
AU (1) AU2012325679B2 (de)
BR (1) BR112014009292B1 (de)
CA (1) CA2852305C (de)
ES (1) ES2657756T3 (de)
HK (1) HK1199073A1 (de)
WO (1) WO2013056312A1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2009836A3 (cs) 2009-12-11 2011-06-22 Contipro C A.S. Derivát kyseliny hyaluronové oxidovaný v poloze 6 glukosaminové cásti polysacharidu selektivne na aldehyd, zpusob jeho prípravy a zpusob jeho modifikace
CZ2009835A3 (cs) 2009-12-11 2011-06-22 Contipro C A.S. Zpusob prípravy derivátu kyseliny hyaluronové oxidovaného v poloze 6 glukosaminové cásti polysacharidu selektivne na aldehyd a zpusob jeho modifikace
CZ2012136A3 (cs) 2012-02-28 2013-06-05 Contipro Biotech S.R.O. Deriváty na bázi kyseliny hyaluronové schopné tvorit hydrogely, zpusob jejich prípravy, hydrogely na bázi techto derivátu, zpusob jejich prípravy a pouzití
CZ304651B6 (cs) * 2012-05-11 2014-08-20 Contipro Biotech S.R.O. Způsob přípravy mikrovláken, způsob výroby krytů ran, kryty ran a zařízení pro přípravu polysacharidových vláken
CZ304512B6 (cs) 2012-08-08 2014-06-11 Contipro Biotech S.R.O. Derivát kyseliny hyaluronové, způsob jeho přípravy, způsob jeho modifikace a použití
CZ304654B6 (cs) 2012-11-27 2014-08-20 Contipro Biotech S.R.O. Nanomicelární kompozice na bázi C6-C18-acylovaného hyaluronanu, způsob přípravy C6-C18-acylovaného hyaluronanu, způsob přípravy nanomicelární kompozice a stabilizované nanomicelární kompozice a použití
EP2964815B1 (de) * 2013-03-06 2018-08-29 Heiq Pty Ltd Vorrichtung zur herstellung von nanokörpern
US9314993B2 (en) 2013-03-15 2016-04-19 National Nonwovens Inc. Composites and articles made from nonwoven structures
US9314995B2 (en) * 2013-03-15 2016-04-19 National Nonwovens Inc. Composites comprising nonwoven structures and foam
ITTO20130396A1 (it) * 2013-05-16 2014-11-17 Fond Istituto Italiano Di Tecnologia Procedimento per la produzione di fibre di policianoacrilato
US10689615B2 (en) 2014-01-29 2020-06-23 Daikin Industries, Ltd. Temperature-responsive base material, method for producing same, and method for evaluating same
CZ2014150A3 (cs) 2014-03-11 2015-05-20 Contipro Biotech S.R.O. Konjugáty oligomeru kyseliny hyaluronové nebo její soli, způsob jejich přípravy a použití
CZ2014451A3 (cs) 2014-06-30 2016-01-13 Contipro Pharma A.S. Protinádorová kompozice na bázi kyseliny hyaluronové a anorganických nanočástic, způsob její přípravy a použití
US10982381B2 (en) 2014-10-06 2021-04-20 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing welded substrates
US10011931B2 (en) 2014-10-06 2018-07-03 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing dyed and welded substrates
US20170226663A1 (en) * 2014-10-17 2017-08-10 Sabic Global Technologies B.V. Method of making shear spun fibers and fibers made therefrom
CN107405277B (zh) 2014-12-02 2021-08-10 丝绸医疗公司 丝性能服装和产品及其制备方法
CZ309295B6 (cs) 2015-03-09 2022-08-10 Contipro A.S. Samonosný, biodegradabilní film na bázi hydrofobizované kyseliny hyaluronové, způsob jeho přípravy a použití
CZ2015398A3 (cs) 2015-06-15 2017-02-08 Contipro A.S. Způsob síťování polysacharidů s využitím fotolabilních chránicích skupin
CZ306662B6 (cs) 2015-06-26 2017-04-26 Contipro A.S. Deriváty sulfatovaných polysacharidů, způsob jejich přípravy, způsob jejich modifikace a použití
US11512425B2 (en) 2015-07-14 2022-11-29 Evolved By Nature, Inc. Silk performance apparel and products and methods of preparing the same
US9896783B2 (en) * 2015-09-09 2018-02-20 GM Global Technology Operations LLC Modification of continuous carbon fibers during precursor formation for composites having enhanced moldability
US10113250B2 (en) * 2015-09-09 2018-10-30 GM Global Technology Operations LLC Modification of continuous carbon fibers during manufacturing for composites having enhanced moldability
EP3181738A1 (de) * 2015-12-18 2017-06-21 Universidad Politécnica De Madrid Verfahren zum herstellen von länglichen strukturen wie fasern aus polymerlösungen durch streckflusspinnen
CN105696099A (zh) * 2016-01-29 2016-06-22 中国科学院深圳先进技术研究院 一种遇水能产生形变的材料及其制备方法
MX2018010421A (es) 2016-03-25 2019-05-20 Natural Fiber Welding Inc Metodos, procesos y aparatos para producir sustratos soldados.
CA3021729A1 (en) 2016-05-03 2017-11-09 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing dyed and welded substrates
CZ308106B6 (cs) 2016-06-27 2020-01-08 Contipro A.S. Nenasycené deriváty polysacharidů, způsob jejich přípravy a jejich použití
US10358767B2 (en) 2016-07-15 2019-07-23 GM Global Technology Operations LLC Carbon fiber pre-pregs and methods for manufacturing thereof
US10427349B2 (en) 2016-09-23 2019-10-01 GM Global Technology Operations LLC Components molded with moldable carbon fiber and methods of manufacturing thereof
US10612163B2 (en) 2017-08-24 2020-04-07 GM Global Technology Operations LLC Modification of continuous carbon fibers during precursor formation for composites having enhanced moldability
EP3688018A4 (de) 2017-09-27 2021-07-07 Evolved by Nature, Inc. Seidenbeschichtete gewebe und produkte und verfahren zu ihrer herstellung
US12115290B2 (en) 2017-10-11 2024-10-15 Microban Products Company Odor control composition and carpet having a durable odor control property
US20210236644A1 (en) 2017-11-10 2021-08-05 Cocoon Biotech Inc. Ocular applications of silk-based products
US10941510B2 (en) 2017-12-08 2021-03-09 GM Global Technology Operations LLC Equipment for perforated pre-impregnated reinforcement materials
JP7385927B2 (ja) * 2018-03-16 2023-11-24 アメリカン ナノ, エルエルシー シリカ繊維を組み込んだ組成物
CN112752765A (zh) * 2018-09-28 2021-05-04 丝芭博株式会社 蛋白质组合物的制造方法
CN114126658A (zh) * 2019-04-02 2022-03-01 细胞质基质有限公司 用于递送生物活性剂的组合物及其用途
CN110158192A (zh) * 2019-05-27 2019-08-23 巢湖双辰网具制造有限公司 一种静电阻燃除尘网的制备方法
US11498318B2 (en) 2019-12-05 2022-11-15 GM Global Technology Operations LLC Class-A components comprising moldable carbon fiber
EP3954811A1 (de) 2020-08-13 2022-02-16 Gelatex Technologies OÜ Vorrichtung und verfahren zur herstellung von polymerfasern und deren verwendung
US20220162779A1 (en) * 2020-11-25 2022-05-26 Circufiber Inc. Low friction infrared-emitting fiber and methods of making the same
CN112708949B (zh) * 2020-12-23 2022-07-22 广西大学 一种基于微流体组装高强度纳米纤维素纤维的制备方法
CN113636563B (zh) * 2021-08-24 2023-12-22 郑州轻工业大学 一种SiO2不完全包覆磁性纳米粒子的制备方法
WO2024005067A1 (ja) * 2022-06-29 2024-01-04 持田製薬株式会社 ゲルファイバ製造装置及び製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646332B2 (de) * 1976-10-14 1979-04-12 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Fibrillen aus fluorhaltigen Polymerisaten
KR840000726B1 (ko) * 1982-08-30 1984-05-24 전학제 방향족 폴리아미드로 된 단섬유의 제조방법
US4836507A (en) * 1987-08-10 1989-06-06 E. I. Du Pont De Nemours And Company Aramid staple and pulp prepared by spinning
IT1249972B (it) * 1991-07-31 1995-03-30 Ferruzzi Ricerca & Tec Polpa d'amido, procedimento per la sua preparazione e suo impiego nella fabbricazione di carta e cartone.
JPH09510262A (ja) * 1994-02-28 1997-10-14 ザ、プロクター、エンド、ギャンブル、カンパニー 生分解性フィブリルを製造するための▲攪▼拌方法、生分解性フィブリルからなる不織布、及び不織布からなる物品
JP3420359B2 (ja) * 1994-10-21 2003-06-23 ダイセル化学工業株式会社 たばこ煙用フィルター素材、繊維状セルロースエステル及びその製造方法
US7687143B2 (en) * 2003-06-19 2010-03-30 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
WO2006007393A1 (en) * 2004-06-16 2006-01-19 North Carolina State University A process for preparing microrods using liquid-liquid dispersion
US8551378B2 (en) * 2009-03-24 2013-10-08 North Carolina State University Nanospinning of polymer fibers from sheared solutions

Also Published As

Publication number Publication date
EP2748359A4 (de) 2015-04-29
BR112014009292B1 (pt) 2021-06-15
AU2012325679A1 (en) 2014-04-03
JP2017206804A (ja) 2017-11-24
CN104024494B (zh) 2017-11-10
BR112014009292A8 (pt) 2018-04-03
EP2748359A1 (de) 2014-07-02
EP2748359B1 (de) 2018-01-03
JP6601637B2 (ja) 2019-11-06
CA2852305C (en) 2020-06-16
CA2852305A1 (en) 2013-04-25
WO2013056312A1 (en) 2013-04-25
KR101987120B1 (ko) 2019-06-10
KR20140081874A (ko) 2014-07-01
CN104024494A (zh) 2014-09-03
US20140264985A1 (en) 2014-09-18
AU2012325679B2 (en) 2015-05-28
ES2657756T3 (es) 2018-03-06
US9920454B2 (en) 2018-03-20
JP2014535010A (ja) 2014-12-25
BR112014009292A2 (pt) 2017-06-13

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