IT972262B - Procedimento di filatura di poli meri ossadiazolici da soluzioni di acido solforico - Google Patents
Procedimento di filatura di poli meri ossadiazolici da soluzioni di acido solforicoInfo
- Publication number
- IT972262B IT972262B IT3208572A IT3208572A IT972262B IT 972262 B IT972262 B IT 972262B IT 3208572 A IT3208572 A IT 3208572A IT 3208572 A IT3208572 A IT 3208572A IT 972262 B IT972262 B IT 972262B
- Authority
- IT
- Italy
- Prior art keywords
- oxadiazolic
- poles
- sulfuric acid
- spinning process
- acid solutions
- Prior art date
Links
Classifications
-
- 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
- C08G73/08—Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20266971A | 1971-11-26 | 1971-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT972262B true IT972262B (it) | 1974-05-20 |
Family
ID=22750813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3208572A IT972262B (it) | 1971-11-26 | 1972-11-24 | Procedimento di filatura di poli meri ossadiazolici da soluzioni di acido solforico |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5549167B2 (it) |
AT (1) | AT324534B (it) |
AU (1) | AU476171B2 (it) |
BE (1) | BE791895A (it) |
BR (1) | BR7208271D0 (it) |
CA (1) | CA1010214A (it) |
DE (1) | DE2257707A1 (it) |
FR (1) | FR2161090B1 (it) |
GB (1) | GB1417568A (it) |
IT (1) | IT972262B (it) |
LU (1) | LU66556A1 (it) |
NL (1) | NL7215869A (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7393174A (en) * | 1973-10-04 | 1976-04-08 | Ici Ltd | Filament treatment |
US4205038A (en) * | 1975-09-05 | 1980-05-27 | Imperial Chemical Industries Limited | Process for producing shaped articles of polyoxadiazoles |
US4054633A (en) * | 1976-05-13 | 1977-10-18 | Monsanto Company | Process for continuously preparing shaped articles of aromatic oxadiazole or aromatic oxadiazole/N-alkylhydrazide polymers from monomer solutions |
JPS5358023A (en) * | 1976-11-05 | 1978-05-25 | Monsanto Co | Thermal drawing method of copolymer yarn |
US4118358A (en) * | 1977-03-10 | 1978-10-03 | Monsanto Company | Preparation of oxadiazole copolymer solution from scrap copolymer |
JPS57186643A (en) * | 1981-05-13 | 1982-11-17 | Yoshikawa Seisakusho:Kk | Disk brake device |
CA1285674C (en) * | 1986-10-15 | 1991-07-02 | E. I. Du Pont De Nemours And Company | Spinnable dopes and articles therefrom |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5262A (en) * | 1975-06-20 | 1977-01-05 | Nittan Co Ltd | Method of treating pulp waste water |
-
0
- BE BE791895D patent/BE791895A/xx unknown
-
1972
- 1972-11-23 NL NL7215869A patent/NL7215869A/xx not_active Application Discontinuation
- 1972-11-24 DE DE19722257707 patent/DE2257707A1/de active Pending
- 1972-11-24 GB GB5432372A patent/GB1417568A/en not_active Expired
- 1972-11-24 FR FR7241928A patent/FR2161090B1/fr not_active Expired
- 1972-11-24 AT AT1004472A patent/AT324534B/de not_active IP Right Cessation
- 1972-11-24 LU LU66556D patent/LU66556A1/xx unknown
- 1972-11-24 AU AU49262/72A patent/AU476171B2/en not_active Expired
- 1972-11-24 CA CA157,494A patent/CA1010214A/en not_active Expired
- 1972-11-24 IT IT3208572A patent/IT972262B/it active
- 1972-11-24 BR BR827172A patent/BR7208271D0/pt unknown
- 1972-11-25 JP JP11849872A patent/JPS5549167B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU476171B2 (en) | 1976-09-16 |
BR7208271D0 (pt) | 1973-08-30 |
NL7215869A (it) | 1973-05-29 |
AT324534B (de) | 1975-09-10 |
FR2161090A1 (it) | 1973-07-06 |
JPS4863020A (it) | 1973-09-03 |
JPS5549167B2 (it) | 1980-12-10 |
BE791895A (fr) | 1973-05-24 |
FR2161090B1 (it) | 1974-12-06 |
GB1417568A (en) | 1975-12-10 |
LU66556A1 (it) | 1973-06-08 |
AU4926272A (en) | 1974-05-30 |
CA1010214A (en) | 1977-05-17 |
DE2257707A1 (de) | 1973-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1028071B (it) | Processo di preparazione dell acido metacrilico | |
BR6349050D0 (pt) | Processo de fabricacao de novos derivados do acido quinolil (8)-oxi-acetico | |
IT972262B (it) | Procedimento di filatura di poli meri ossadiazolici da soluzioni di acido solforico | |
IT961685B (it) | Processo di fabbricazione di esteri alchilici di acidi carbossi lici | |
IT949761B (it) | Processo per la scissione di solfa to di ammonio | |
AR197624A1 (es) | Metodo de produccion de ester (2-dimetilaminoetil) del acido (4-cloro-alfa-metilbenciliden) amino-oxiacetico | |
IT964433B (it) | Processo per migliorare il numero potenziale di ottano di alchilazio ne in presenza di acido solforico | |
BR7202163D0 (pt) | Processo de preparacao de polimeros de esteres de acido metacrilico | |
CH540850A (fr) | Procédé de fabrication d'acide nitrique concentré | |
CH410879A (fr) | Procédé d'extraction en continu de l'acide fluorhydrique de ses solutions aqueuses | |
IT941164B (it) | Processo di produzione di maleinimmidi | |
SE394660B (sv) | Forfarande for framstellning av svavelsyra | |
FR1428225A (fr) | Procédé de fabrication d'esters d'acide carbamique | |
BE616101A (fr) | Procédé de fabrication d'acide adipique | |
FR1413057A (fr) | Procédé de fabrication d'acide téréphtalique | |
IT950691B (it) | Processo per la preparazione di acido amidosolfonico | |
FR1358755A (fr) | Procédé de production de l'acide pyréthrique | |
BR6913142D0 (pt) | Processo de obtencao de acido epsilon-hidroxicaproico | |
FR1413926A (fr) | Procédé de fabrication de l'acide monochloracétique | |
IT1060851B (it) | Processo per la preparazione del l acido 2 idrossinaftalin 3 carbossilico | |
FR1452615A (fr) | Procédé de fabrication d'esters d'acide carbamique | |
BR6912814D0 (pt) | Processo de preparacao de acido hidroperoxi-6 hexanoico | |
BE615830A (fr) | Procédé de fabrication d l'acide omega -aminodécanoïque | |
CH406181A (fr) | Procédé de fabrication de l'acide adipique | |
BR7207979D0 (pt) | Processo de preparacao de ester de acido tetrametil-ditiolpirofosforico |