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EP0861929A4 - Easily fibrillable fiber - Google Patents

Easily fibrillable fiber

Info

Publication number
EP0861929A4
EP0861929A4 EP96915189A EP96915189A EP0861929A4 EP 0861929 A4 EP0861929 A4 EP 0861929A4 EP 96915189 A EP96915189 A EP 96915189A EP 96915189 A EP96915189 A EP 96915189A EP 0861929 A4 EP0861929 A4 EP 0861929A4
Authority
EP
European Patent Office
Prior art keywords
fiber
island
melting
fibril
strength
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.)
Withdrawn
Application number
EP96915189A
Other languages
German (de)
French (fr)
Other versions
EP0861929A1 (en
Inventor
Akio Ohmory
Hayami Yoshimochi
Tomoyuki Sano
Satoru Kobayashi
Syunpei Naramura
Masahiro Satoh
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.)
Kuraray Co Ltd
Panasonic Holdings Corp
Original Assignee
Kuraray Co Ltd
Matsushita Electric Industrial Co 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
Priority claimed from JP7100874A external-priority patent/JPH08284021A/en
Application filed by Kuraray Co Ltd, Matsushita Electric Industrial Co Ltd filed Critical Kuraray Co Ltd
Priority claimed from PCT/JP1996/001322 external-priority patent/WO1997044511A1/en
Publication of EP0861929A1 publication Critical patent/EP0861929A1/en
Publication of EP0861929A4 publication Critical patent/EP0861929A4/en
Withdrawn legal-status Critical Current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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

A fiber of a sea-island phase separation structure in which the sea phase is made of a highly orientable and highly crystalline polyvinyl alcohol polymer, the island phase is made of a water-insoluble cellulosic polymer excellent in alkaline liquid absorbing capacity, heat resistance and difficulty of melting, the size of the island is 0.03 to 10 νm and the strength is 3 g/d or above and which can easily be separated into fibrils 0.05 to 8 νm in diameter by wetting the fiber and applying a mechanical stress to the resulting fiber. The above fibril is a hydrophilic and high-strength one which is excellent in the property of capturing fine particles, reinforcing effects, alkaline liquid absorption, and the resistances to heating and melting, does not cause the elution of fiber components in fibrillation, and is freed from the problematic bubbling in beating or the problem of environmental pollution due to a heating solution. The fibril is extremely useful as the separator paper for alkaline batteries, the reinforcing fiber for cement slates, the reinforcing fiber for friction materials, or the like.
EP96915189A 1995-04-25 1996-05-20 Easily fibrillable fiber Withdrawn EP0861929A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7100874A JPH08284021A (en) 1995-02-10 1995-04-25 Readily fibrillated fiber comprising polyvinyl alcohol and cellulosic polymer
PCT/JP1996/001322 WO1997044511A1 (en) 1995-04-25 1996-05-20 Easily fibrillable fiber

Publications (2)

Publication Number Publication Date
EP0861929A1 EP0861929A1 (en) 1998-09-02
EP0861929A4 true EP0861929A4 (en) 2000-04-05

Family

ID=26437197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96915189A Withdrawn EP0861929A4 (en) 1995-04-25 1996-05-20 Easily fibrillable fiber

Country Status (1)

Country Link
EP (1) EP0861929A4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7402539B2 (en) * 2000-08-10 2008-07-22 Japan Vilene Co., Ltd. Battery separator
WO2003013817A1 (en) * 2001-08-02 2003-02-20 Mitsubishi Heavy Industries, Ltd. Composite material-use fiber base material
CA2438445C (en) * 2002-12-26 2006-11-28 Hyosung Corporation Lyocell multi-filament for tire cord and method of producing the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047456A (en) * 1959-08-10 1962-07-31 Monsanto Chemicals Manufacture of paper products from fibers wet spun from polymer blends
US3617438A (en) * 1969-02-12 1971-11-02 Tomoegawa Paper Mfg Co Ltd Electric insulating paper and its production process
US4255300A (en) * 1979-07-02 1981-03-10 Akzona Incorporated Composition and process for making precipitated cellulose-polyvinyl alcohol biconstituent composition
EP0572921A1 (en) * 1992-06-01 1993-12-08 Kuraray Co., Ltd. Separator for alkaline batteries

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047456A (en) * 1959-08-10 1962-07-31 Monsanto Chemicals Manufacture of paper products from fibers wet spun from polymer blends
US3617438A (en) * 1969-02-12 1971-11-02 Tomoegawa Paper Mfg Co Ltd Electric insulating paper and its production process
US4255300A (en) * 1979-07-02 1981-03-10 Akzona Incorporated Composition and process for making precipitated cellulose-polyvinyl alcohol biconstituent composition
EP0572921A1 (en) * 1992-06-01 1993-12-08 Kuraray Co., Ltd. Separator for alkaline batteries

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9744511A1 *

Also Published As

Publication number Publication date
EP0861929A1 (en) 1998-09-02

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980218

AK Designated contracting states

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Designated state(s): BE CH DE FR GB IT LI NL SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Owner name: KURARAY CO. LTD.

A4 Supplementary search report drawn up and despatched

Effective date: 20000221

AK Designated contracting states

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Designated state(s): BE CH DE FR GB IT LI NL SE

RIC1 Information provided on ipc code assigned before grant

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GRAH Despatch of communication of intention to grant a patent

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STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20021225