DE69734588D1 - Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration - Google Patents

Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration

Info

Publication number
DE69734588D1
DE69734588D1 DE69734588T DE69734588T DE69734588D1 DE 69734588 D1 DE69734588 D1 DE 69734588D1 DE 69734588 T DE69734588 T DE 69734588T DE 69734588 T DE69734588 T DE 69734588T DE 69734588 D1 DE69734588 D1 DE 69734588D1
Authority
DE
Germany
Prior art keywords
polyolefin
pct
polyolefin fibers
fluorochemical
mechanical filtration
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.)
Expired - Fee Related
Application number
DE69734588T
Other languages
English (en)
Other versions
DE69734588T2 (de
Inventor
John Woodbridge
Allan Griffin
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.)
Hunt Technology Ltd
Original Assignee
Hunt Technology 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 Technology Ltd filed Critical Hunt Technology Ltd
Application granted granted Critical
Publication of DE69734588D1 publication Critical patent/DE69734588D1/de
Publication of DE69734588T2 publication Critical patent/DE69734588T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
DE69734588T 1996-05-10 1997-05-09 Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration Expired - Fee Related DE69734588T2 (de)

Applications Claiming Priority (3)

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
GB9609811 1996-05-10
PCT/GB1997/001261 WO1997043470A1 (en) 1996-05-10 1997-05-09 A process for producing meltblown polyolefin fibres for mechanical filtration

Publications (2)

Publication Number Publication Date
DE69734588D1 true DE69734588D1 (de) 2005-12-15
DE69734588T2 DE69734588T2 (de) 2006-07-27

Family

ID=10793507

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734588T Expired - Fee Related DE69734588T2 (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 (5)

* 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
CA2614721A1 (en) 2005-07-29 2007-02-08 Vertos Medical, Inc. Percutaneous tissue excision devices and methods
US7942830B2 (en) 2006-05-09 2011-05-17 Vertos Medical, Inc. Ipsilateral approach to minimally invasive ligament decompression procedure
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

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
DE69734588T2 (de) 2006-07-27
WO1997043470A1 (en) 1997-11-20
AU3065797A (en) 1997-12-05
US6139608A (en) 2000-10-31
WO1997043471A1 (en) 1997-11-20
EP0912780A1 (de) 1999-05-06
EP0912780B1 (de) 2005-11-09
AU2708497A (en) 1997-12-05
ATE309401T1 (de) 2005-11-15
GB9609811D0 (en) 1996-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee