IT990990B - Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrile - Google Patents
Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrileInfo
- Publication number
- IT990990B IT990990B IT26266/73A IT2626673A IT990990B IT 990990 B IT990990 B IT 990990B IT 26266/73 A IT26266/73 A IT 26266/73A IT 2626673 A IT2626673 A IT 2626673A IT 990990 B IT990990 B IT 990990B
- Authority
- IT
- Italy
- Prior art keywords
- acrylonitrile
- copolymers
- polymers
- catalyst
- procedure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/42—Nitriles
- C08F20/44—Acrylonitrile
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/915—Redox catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT26266/73A IT990990B (it) | 1973-07-06 | 1973-07-06 | Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrile |
GB2778174A GB1423923A (en) | 1973-07-06 | 1974-06-21 | Catalytic process for preparing polymers and copolymers of acrylonitrile |
DE2432413A DE2432413A1 (de) | 1973-07-06 | 1974-07-05 | Verfahren zur herstellung von acrylnitril-polymerisaten |
FR7423542A FR2235955B1 (it) | 1973-07-06 | 1974-07-05 | |
ES74427985A ES427985A1 (es) | 1973-07-06 | 1974-07-05 | Un procedimiento catalitico para preparar polimeros y copo-limeros de acrilonitrilo. |
JP49077201A JPS5034386A (it) | 1973-07-06 | 1974-07-05 | |
US05/486,736 US3939134A (en) | 1973-07-06 | 1974-07-08 | Catalytic process for preparing polymers and copolymers of acrylonitrile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT26266/73A IT990990B (it) | 1973-07-06 | 1973-07-06 | Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
IT990990B true IT990990B (it) | 1975-07-10 |
Family
ID=11219094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26266/73A IT990990B (it) | 1973-07-06 | 1973-07-06 | Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrile |
Country Status (7)
Country | Link |
---|---|
US (1) | US3939134A (it) |
JP (1) | JPS5034386A (it) |
DE (1) | DE2432413A1 (it) |
ES (1) | ES427985A1 (it) |
FR (1) | FR2235955B1 (it) |
GB (1) | GB1423923A (it) |
IT (1) | IT990990B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2523570C3 (de) * | 1975-05-28 | 1978-12-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Polymerisation von Tetrafluoräthylen |
JP2535813B2 (ja) * | 1985-06-20 | 1996-09-18 | ソニー株式会社 | Ecl−ttl変換出力回路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH311220A (de) * | 1950-07-17 | 1955-11-30 | Gmbh W C Heraeus | Verfahren zur Herstellung von Kunststoffen aus polymerisierbaren organischen Verbindungen mit einer doppelt gebundenen endständigen Methylengruppe. |
US3174954A (en) * | 1960-06-07 | 1965-03-23 | Asahi Chemical Ind | Process for producing acrylonitrile polymers using catalyst systems of hydroxylamine-n-sulfonates and tetravalent sulfur containing compounds |
NL271517A (it) * | 1960-11-17 | |||
GB1225983A (it) * | 1968-02-12 | 1971-03-24 |
-
1973
- 1973-07-06 IT IT26266/73A patent/IT990990B/it active
-
1974
- 1974-06-21 GB GB2778174A patent/GB1423923A/en not_active Expired
- 1974-07-05 DE DE2432413A patent/DE2432413A1/de not_active Withdrawn
- 1974-07-05 ES ES74427985A patent/ES427985A1/es not_active Expired
- 1974-07-05 FR FR7423542A patent/FR2235955B1/fr not_active Expired
- 1974-07-05 JP JP49077201A patent/JPS5034386A/ja active Pending
- 1974-07-08 US US05/486,736 patent/US3939134A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3939134A (en) | 1976-02-17 |
FR2235955A1 (it) | 1975-01-31 |
ES427985A1 (es) | 1976-08-16 |
JPS5034386A (it) | 1975-04-02 |
FR2235955B1 (it) | 1976-10-22 |
DE2432413A1 (de) | 1975-01-23 |
GB1423923A (en) | 1976-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1025796B (it) | Polimeri di p femilensolfuro | |
IT1039569B (it) | Metallizzazione non elettroliti ca di polimeri | |
AR195362A1 (es) | Mezcla homogenea de polimeros | |
IT1031436B (it) | Procedimento per la produzione di polimeri di metilmetacr ilato | |
IT1026993B (it) | Processo per la preparazione di catalizzatori di polimerizzazione e catalizzatori cosi ottenuti | |
IT1015150B (it) | Bigmentazione di polimeri | |
IT970384B (it) | Procedimento per deliquefare e purificare i polimeri | |
IT1023171B (it) | Procedimento per la preparazione di polimeri a blocchi e prodotto ottenuto | |
BR7410749D0 (pt) | Estruturas hidrofilizadas de polimeros hidro-insoluveis | |
IT962162B (it) | Procedimento per la preparazione di polimeri modificati chimicamente | |
IT968876B (it) | Procedimento per la preparazione di polimeri fosfazenici | |
IT1041376B (it) | Polimeri e copolimeri di dieni coniugati..procedimento e composizione catalitica per la loro preparazione | |
IT1019414B (it) | Procedimento per la polimerizza zione di acrilammide | |
IT1035784B (it) | Composizione fotostabilizzante per polimeri e procedimentoper la sua preparazione | |
IT1061256B (it) | Procedimento per la polimerizzazione di butadiene in soluzione e catalizzatore impiegato | |
IT980175B (it) | Procedimento per la polimerizza zione catalitica di cicloolefine | |
IT1027292B (it) | Procedimento per la preparazione di polimeri idrosolubili | |
AR196968A1 (es) | Procedimiento perfeccionado para la polimerizacion en masa de acrilonitrillo | |
IT1050506B (it) | Procedimento per laproduzine di polimeri reticolati particellari | |
AR199244A1 (es) | Procedimiento y aparato para la polimerizacion continua en masa, de polimeros polialquenilaromaticos | |
IT990990B (it) | Procedimento e catalizzatore per la preparazione di polimeri e copolimeri dell acrilonitrile | |
BE771114A (fr) | Preparation en continu de polymeres hydrosolubles | |
IT985751B (it) | Procedimento per la preparazione di polimeri | |
IT947575B (it) | Polimeri e procedimento per produrli | |
IT990993B (it) | Perfezionamenti nei procedimenti per la preparazione di polimeri o copolimeri dell acrilonitrile |