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 solforico

Info

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
Application number
IT3208572A
Other languages
English (en)
Original Assignee
Monsanto 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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of IT972262B publication Critical patent/IT972262B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular 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
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/08Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74Monocomponent 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)
IT3208572A 1971-11-26 1972-11-24 Procedimento di filatura di poli meri ossadiazolici da soluzioni di acido solforico IT972262B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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