ATE309401T1 - Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration - Google Patents

Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration

Info

Publication number
ATE309401T1
ATE309401T1 AT97920868T AT97920868T ATE309401T1 AT E309401 T1 ATE309401 T1 AT E309401T1 AT 97920868 T AT97920868 T AT 97920868T AT 97920868 T AT97920868 T AT 97920868T AT E309401 T1 ATE309401 T1 AT E309401T1
Authority
AT
Austria
Prior art keywords
polyolefin
pct
fluorochemical
meltblown
mechanical filtration
Prior art date
Application number
AT97920868T
Other languages
English (en)
Inventor
Timothy John Woodbridge
Roland Allan Griffin
Original Assignee
Hunt Tech Ltd
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 Hunt Tech Ltd filed Critical Hunt Tech Ltd
Application granted granted Critical
Publication of ATE309401T1 publication Critical patent/ATE309401T1/de

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter

Landscapes

  • 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)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
AT97920868T 1996-05-10 1997-05-09 Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration ATE309401T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9609811.6A GB9609811D0 (en) 1996-05-10 1996-05-10 A process for producing meltblown polyolefin fibres for mechanical filtration
PCT/GB1997/001261 WO1997043470A1 (en) 1996-05-10 1997-05-09 A process for producing meltblown polyolefin fibres for mechanical filtration

Publications (1)

Publication Number Publication Date
ATE309401T1 true ATE309401T1 (de) 2005-11-15

Family

ID=10793507

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97920868T ATE309401T1 (de) 1996-05-10 1997-05-09 Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration

Country Status (7)

Country Link
US (1) US6139608A (de)
EP (1) EP0912780B1 (de)
AT (1) ATE309401T1 (de)
AU (2) AU2708497A (de)
DE (1) DE69734588T2 (de)
GB (1) GB9609811D0 (de)
WO (2) WO1997043470A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050510C2 (de) * 2000-10-11 2003-01-09 Sandler C H Gmbh Verfahren zur Herstellung von Mikrofaservliesstoffen mit verbesserten flüssigkeitsabweisenden Eigenschaften
US6932923B2 (en) * 2003-03-03 2005-08-23 Arvin Technologies, Inc. Method of making a melt-blown filter medium for use in air filters in internal combustion engines and product
JP2009502365A (ja) 2005-07-29 2009-01-29 ヴァートス メディカル インコーポレーテッド 経皮的組織切除装置および同方法
US7942830B2 (en) 2006-05-09 2011-05-17 Vertos Medical, Inc. Ipsilateral approach to minimally invasive ligament decompression procedure
EP4368128A3 (de) 2016-09-07 2024-07-17 Vertos Medical, Inc. Verfahren und instrumente zur perkutanen seitlichen resektion von aussparungen
CN112011892A (zh) * 2020-07-09 2020-12-01 南京捷纳思新材料有限公司 一种高效过滤pm2.5的改性滤布的制备方法
WO2023245144A1 (en) 2022-06-16 2023-12-21 Vertos Medical, Inc. Integrated instrument assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1323370C (en) * 1986-09-12 1993-10-19 Davis H. Crater Fluorochemical oxazolidinones
AU669420B2 (en) * 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media

Also Published As

Publication number Publication date
DE69734588D1 (de) 2005-12-15
US6139608A (en) 2000-10-31
AU3065797A (en) 1997-12-05
DE69734588T2 (de) 2006-07-27
EP0912780A1 (de) 1999-05-06
WO1997043471A1 (en) 1997-11-20
WO1997043470A1 (en) 1997-11-20
GB9609811D0 (en) 1996-07-17
EP0912780B1 (de) 2005-11-09
AU2708497A (en) 1997-12-05

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Legal Events

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