FR2247556B1 - - Google Patents

Info

Publication number
FR2247556B1
FR2247556B1 FR7434359A FR7434359A FR2247556B1 FR 2247556 B1 FR2247556 B1 FR 2247556B1 FR 7434359 A FR7434359 A FR 7434359A FR 7434359 A FR7434359 A FR 7434359A FR 2247556 B1 FR2247556 B1 FR 2247556B1
Authority
FR
France
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
Application number
FR7434359A
Other versions
FR2247556A1 (fr
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.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Publication of FR2247556A1 publication Critical patent/FR2247556A1/fr
Application granted granted Critical
Publication of FR2247556B1 publication Critical patent/FR2247556B1/fr
Expired 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
    • 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
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • 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
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
FR7434359A 1973-10-12 1974-10-11 Expired FR2247556B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40577773A 1973-10-12 1973-10-12

Publications (2)

Publication Number Publication Date
FR2247556A1 FR2247556A1 (fr) 1975-05-09
FR2247556B1 true FR2247556B1 (fr) 1978-07-07

Family

ID=23605190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434359A Expired FR2247556B1 (fr) 1973-10-12 1974-10-11

Country Status (6)

Country Link
JP (1) JPS5217133B2 (fr)
CA (1) CA1035496A (fr)
FR (1) FR2247556B1 (fr)
GB (1) GB1432285A (fr)
IT (1) IT1021745B (fr)
NL (1) NL7413337A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335028A (en) * 1976-09-13 1978-04-01 Asahi Chem Ind Co Ltd Special filament
JPS56159314A (en) * 1980-05-09 1981-12-08 Ube Ind Ltd Preparation of polyimide fiber
AT377016B (de) * 1983-03-09 1985-01-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von schwer entflammbaren, hochtemperaturbestaendigen polyimidfasern
JPS6290314A (ja) * 1985-10-17 1987-04-24 Toray Ind Inc コポリイミド繊維
JPH07310232A (ja) * 1994-05-13 1995-11-28 Toyobo Co Ltd バグフィルター用ポリアミドイミド繊維
US6855425B2 (en) 2000-07-10 2005-02-15 Invista North America S.A.R.L. Polymer filaments having profiled cross-section
GB2364667A (en) * 2000-07-10 2002-02-06 Du Pont Polymer filaments having open hollow cross-section
CN116103779B (zh) * 2023-02-14 2024-04-12 江苏奥神新材料股份有限公司 一种高耐热聚酰亚胺纤维及其制备方法

Also Published As

Publication number Publication date
IT1021745B (it) 1978-02-20
NL7413337A (nl) 1975-04-15
JPS5064522A (fr) 1975-05-31
DE2442203B2 (de) 1976-06-24
CA1035496A (fr) 1978-07-25
GB1432285A (en) 1976-04-14
DE2442203A1 (de) 1975-04-17
JPS5217133B2 (fr) 1977-05-13
FR2247556A1 (fr) 1975-05-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse