FR2474539A1 - Procede pour la preparation de produits moules, en particulier de fibres, en cellulose regeneree - Google Patents

Procede pour la preparation de produits moules, en particulier de fibres, en cellulose regeneree Download PDF

Info

Publication number: FR2474539A1
Authority: FR; France
Prior art keywords: formaldehyde; cellulose; solution; process according; bath
Prior art date: 1980-01-24
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

FR8101336A

Other languages

English (en)

French (fr)

Inventor

Ingo Marini

Dietmar Korger

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.)

Lenzing AG

Original Assignee

Chemiefaser Lenzing AG

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.)

1980-01-24

Filing date

1981-01-23

Publication date

1981-07-31

1981-01-23 Application filed by Chemiefaser Lenzing AG filed Critical Chemiefaser Lenzing AG

1981-07-31 Publication of FR2474539A1 publication Critical patent/FR2474539A1/fr

Status Withdrawn legal-status Critical Current

Links

239000000835 fiber Substances 0.000 title claims abstract description 26
238000000034 method Methods 0.000 title claims abstract description 17
238000002360 preparation method Methods 0.000 title claims abstract description 7
239000004627 regenerated cellulose Substances 0.000 title claims abstract description 5
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 65
229920002678 cellulose Polymers 0.000 claims abstract description 36
239000001913 cellulose Substances 0.000 claims abstract description 36
230000001112 coagulating effect Effects 0.000 claims abstract description 10
150000001447 alkali salts Chemical class 0.000 claims abstract description 9
150000001409 amidines Chemical class 0.000 claims abstract description 9
239000000203 mixture Substances 0.000 claims abstract description 9
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 7
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 93
239000000243 solution Substances 0.000 claims description 30
229920002866 paraformaldehyde Polymers 0.000 claims description 14
229930040373 Paraformaldehyde Natural products 0.000 claims description 13
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 claims description 12
239000007864 aqueous solution Substances 0.000 claims description 9
239000000701 coagulant Substances 0.000 claims description 7
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
238000000605 extraction Methods 0.000 claims description 6
239000011261 inert gas Substances 0.000 claims description 3
229910052757 nitrogen Inorganic materials 0.000 claims description 3
238000006116 polymerization reaction Methods 0.000 claims description 3
150000001875 compounds Chemical class 0.000 claims description 2
BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 abstract 1
238000009987 spinning Methods 0.000 description 20
235000012431 wafers Nutrition 0.000 description 12
238000005345 coagulation Methods 0.000 description 5
230000015271 coagulation Effects 0.000 description 5
239000002184 metal Substances 0.000 description 4
238000011084 recovery Methods 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
229920002955 Art silk Polymers 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
241001070947 Fagus Species 0.000 description 3
235000010099 Fagus sylvatica Nutrition 0.000 description 3
239000007789 gas Substances 0.000 description 3
230000001376 precipitating effect Effects 0.000 description 3
238000003825 pressing Methods 0.000 description 3
238000003756 stirring Methods 0.000 description 3
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
150000001412 amines Chemical class 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000009835 boiling Methods 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000008098 formaldehyde solution Substances 0.000 description 2
ZRALSGWEFCBTJO-UHFFFAOYSA-O guanidinium Chemical compound NC(N)=[NH2+] ZRALSGWEFCBTJO-UHFFFAOYSA-O 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
229920000297 Rayon Polymers 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000001241 acetals Chemical class 0.000 description 1
238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
230000005587 bubbling Effects 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
238000000151 deposition Methods 0.000 description 1
SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000000945 filler Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
ISNICOKBNZOJQG-UHFFFAOYSA-O guanidinium ion Chemical compound C[NH+]=C(N(C)C)N(C)C ISNICOKBNZOJQG-UHFFFAOYSA-O 0.000 description 1
229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
150000002466 imines Chemical class 0.000 description 1
TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
230000000269 nucleophilic effect Effects 0.000 description 1
235000012771 pancakes Nutrition 0.000 description 1
239000002245 particle Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000001256 steam distillation Methods 0.000 description 1
238000010025 steaming Methods 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
-1 sulfur compound salts Chemical class 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000009423 ventilation Methods 0.000 description 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
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof

Landscapes

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

FR8101336A 1980-01-24 1981-01-23 Procede pour la preparation de produits moules, en particulier de fibres, en cellulose regeneree Withdrawn FR2474539A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT0036780A AT363166B (de)	1980-01-24	1980-01-24	Verfahren zur herstellung geformter erzeugnisse, insbesondere fasern, aus regenerierter cellulose

Publications (1)

Publication Number	Publication Date
FR2474539A1 true FR2474539A1 (fr)	1981-07-31

Family

ID=3488711

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8101336A Withdrawn FR2474539A1 (fr)	1980-01-24	1981-01-23	Procede pour la preparation de produits moules, en particulier de fibres, en cellulose regeneree

Country Status (5)

Country	Link
AT (1)	AT363166B (de)
DE (1)	DE3048715A1 (de)
FR (1)	FR2474539A1 (de)
GB (1)	GB2067953B (de)
IT (1)	IT1170631B (de)

1980
- 1980-01-24 AT AT0036780A patent/AT363166B/de not_active IP Right Cessation
- 1980-12-23 DE DE19803048715 patent/DE3048715A1/de not_active Withdrawn
1981
- 1981-01-05 GB GB8100157A patent/GB2067953B/en not_active Expired
- 1981-01-16 IT IT47583/81A patent/IT1170631B/it active
- 1981-01-23 FR FR8101336A patent/FR2474539A1/fr not_active Withdrawn

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Néant *

Also Published As

Publication number	Publication date
GB2067953B (en)	1983-04-07
IT1170631B (it)	1987-06-03
ATA36780A (de)	1980-12-15
GB2067953A (en)	1981-08-05
DE3048715A1 (de)	1981-09-17
AT363166B (de)	1981-07-10
IT8147583A0 (it)	1981-01-16

Legal Events

Date	Code	Title	Description
1984-08-31	RE	Withdrawal of published application

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FI77252C (fi)	1989-02-10	Foerfarande foer framstaellning av cellulosakarbamater.
US4270914A (en)	1981-06-02	Process for controlling hemicellulose concentration during the mercerization of cellulose
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US20240141074A1 (en)	2024-05-02	Method of Producing Cellulose Carbamate
FR2570706A1 (fr)	1986-03-28	Procede cyclique pour preparer une solution d'alcali de carbamate de cellulose, pour precipiter le carbamate et pour recuperer les produits chimiques
CA1078571A (fr)	1980-06-03	Procede de filage ou mise en forme de solutions de cellulose et articles ainsi obtenus
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FR2474539A1 (fr)	1981-07-31	Procede pour la preparation de produits moules, en particulier de fibres, en cellulose regeneree
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