EP0404145A3 - Mélange de solvants pour solution de filage d'aramides - Google Patents

Mélange de solvants pour solution de filage d'aramides Download PDF

Info

Publication number: EP0404145A3
Authority: EP; European Patent Office
Prior art keywords: mixed solvent; spinning dopes; aramid spinning; aramid; dopes
Prior art date: 1989-06-21
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.): Granted

Application number

EP19900111744

Other languages

German (de)

English (en)

Other versions

EP0404145B1 (fr

EP0404145A2 (fr

Inventor

William Cheng Uy

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.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and 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.)

1989-06-21

Filing date

1990-06-21

Publication date

1991-09-25

1990-06-21 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

1990-12-27 Publication of EP0404145A2 publication Critical patent/EP0404145A2/fr

1991-09-25 Publication of EP0404145A3 publication Critical patent/EP0404145A3/fr

1994-05-18 Application granted granted Critical

1994-05-18 Publication of EP0404145B1 publication Critical patent/EP0404145B1/fr

2010-06-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000009987 spinning Methods 0.000 title abstract 3
239000004760 aramid Substances 0.000 title 1
229920003235 aromatic polyamide Polymers 0.000 title 1
239000012046 mixed solvent Substances 0.000 title 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
-1 poly(p-phenylene terephthalamide) Polymers 0.000 abstract 2
XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 abstract 2
229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 abstract 1
239000011877 solvent mixture Substances 0.000 abstract 1

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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Artificial Filaments (AREA)
Compositions Of Macromolecular Compounds (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

EP19900111744 1989-06-21 1990-06-21 Mélange de solvants pour solution de filage d'aramides Expired - Lifetime EP0404145B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US36910789A	1989-06-21	1989-06-21
US369107		1989-06-21

Publications (3)

Publication Number	Publication Date
EP0404145A2 EP0404145A2 (fr)	1990-12-27
EP0404145A3 true EP0404145A3 (fr)	1991-09-25
EP0404145B1 EP0404145B1 (fr)	1994-05-18

Family

ID=23454121

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900111744 Expired - Lifetime EP0404145B1 (fr)	1989-06-21	1990-06-21	Mélange de solvants pour solution de filage d'aramides

Country Status (3)

Country	Link
EP (1)	EP0404145B1 (fr)
JP (1)	JPH0351311A (fr)
CA (1)	CA2019438A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3767756A (en) *	1972-06-30	1973-10-23	Du Pont	Dry jet wet spinning process
US3819587A (en) *	1969-05-23	1974-06-25	Du Pont	Wholly aromatic carbocyclic polycarbonamide fiber having orientation angle of less than about 45{20

1990
- 1990-06-20 CA CA 2019438 patent/CA2019438A1/fr not_active Abandoned
- 1990-06-21 EP EP19900111744 patent/EP0404145B1/fr not_active Expired - Lifetime
- 1990-06-21 JP JP16393390A patent/JPH0351311A/ja active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3819587A (en) *	1969-05-23	1974-06-25	Du Pont	Wholly aromatic carbocyclic polycarbonamide fiber having orientation angle of less than about 45{20
US3767756A (en) *	1972-06-30	1973-10-23	Du Pont	Dry jet wet spinning process

Also Published As

Publication number	Publication date
JPH0351311A (ja)	1991-03-05
CA2019438A1 (fr)	1990-12-21
EP0404145B1 (fr)	1994-05-18
EP0404145A2 (fr)	1990-12-27

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Legal Events

Date	Code	Title	Description
1990-11-10	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
1990-12-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): GB NL
1991-02-27	17P	Request for examination filed	Effective date: 19901227
1991-08-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-09-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): GB NL
1993-01-20	17Q	First examination report despatched	Effective date: 19921203
1993-12-29	RBV	Designated contracting states (corrected)	Designated state(s): NL
1994-03-31	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-05-18	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): NL
1995-03-23	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-03-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-05-10	26N	No opposition filed
2008-10-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20080603 Year of fee payment: 19
2010-03-01	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20100101
2010-07-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100101