BE493660A - - Google Patents
Info
- Publication number
- BE493660A BE493660A BE493660DA BE493660A BE 493660 A BE493660 A BE 493660A BE 493660D A BE493660D A BE 493660DA BE 493660 A BE493660 A BE 493660A
- Authority
- BE
- Belgium
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
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75436A US2628223A (en) | 1949-02-09 | 1949-02-09 | Polymerization of acrylonitrile to polymers of controlled molecular weight |
Publications (1)
Publication Number | Publication Date |
---|---|
BE493660A true BE493660A (fr) |
Family
ID=22125735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE493660D BE493660A (fr) | 1949-02-09 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2628223A (fr) |
BE (1) | BE493660A (fr) |
CH (1) | CH287222A (fr) |
FR (1) | FR1010232A (fr) |
GB (1) | GB713245A (fr) |
NL (1) | NL75825C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1224506B (de) * | 1956-07-12 | 1966-09-08 | Du Pont | Verfahren zur Herstellung von Acrylnitril-homopolymeren oder -mischpolymeren |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL84454C (fr) * | 1951-02-01 | |||
BE511545A (fr) * | 1951-05-22 | |||
US2646424A (en) * | 1951-05-25 | 1953-07-21 | Dow Chemical Co | Acrylonitrile compositions and process for making the same |
US2727021A (en) * | 1951-10-30 | 1955-12-13 | American Cyanamid Co | Polymerizable and polymerized aminoethyl acrylate-acrylonitrile compositions |
US2743263A (en) * | 1952-08-25 | 1956-04-24 | Eastman Kodak Co | Process for polymerizing acrylonitrile in the presence of sulfonic acids |
BE523639A (fr) * | 1952-10-28 | |||
BE525132A (fr) * | 1952-12-18 | |||
US2961433A (en) * | 1956-11-29 | 1960-11-22 | Du Pont | Polymerization of acrylonitrile employing a halide of a transition metal and the borohydride of an alkali metal |
US3012997A (en) * | 1958-01-27 | 1961-12-12 | American Cyanamid Co | Preparation of polymers |
US3028371A (en) * | 1958-01-27 | 1962-04-03 | American Cyanamid Co | Process for making polymers of acrylonitrile |
US3012998A (en) * | 1958-01-27 | 1961-12-12 | American Cyanamid Co | Method of making polymers |
US2983718A (en) * | 1959-04-01 | 1961-05-09 | American Cyanamid Co | Polymerization of acrylonitrile |
US3040008A (en) * | 1960-08-25 | 1962-06-19 | American Cyanamid Co | Molecular weight control in acrylonitrile polymerization using chloratesulfite catalysts by temperature increase |
US3040007A (en) * | 1960-08-25 | 1962-06-19 | American Cyanamid Co | Molecular weight control in acrylonitrile polymerization using chloratesulfite catalysts by temperature decrease |
US3028372A (en) * | 1961-05-26 | 1962-04-03 | American Cyanamid Co | Art of producing polymers of acrylonitrile |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486241A (en) * | 1942-09-17 | 1949-10-25 | Du Pont | Method for preparing polymers and copolymers of acrylic acid nitriles |
US2462354A (en) * | 1942-09-17 | 1949-02-22 | Du Pont | Organic compound polymerization process |
US2434054A (en) * | 1943-03-20 | 1948-01-06 | Du Pont | Modified polymers of open chain monoethylenically unsaturated compounds having a terminal methylene group |
US2436926A (en) * | 1943-08-02 | 1948-03-02 | Du Pont | Polymerization of acrylic acid nitriles |
US2475016A (en) * | 1945-05-02 | 1949-07-05 | Shell Dev | Emulsion polymerization of vinylidene compounds |
US2496384A (en) * | 1945-08-28 | 1950-02-07 | Shell Dev | Emulsion polymerization process for the manufacture of copolymers of homogeneous composition |
-
0
- BE BE493660D patent/BE493660A/xx unknown
- NL NL75825D patent/NL75825C/xx active
-
1949
- 1949-02-09 US US75436A patent/US2628223A/en not_active Expired - Lifetime
-
1950
- 1950-01-19 GB GB1493/50A patent/GB713245A/en not_active Expired
- 1950-01-30 FR FR1010232D patent/FR1010232A/fr not_active Expired
- 1950-02-06 CH CH287222D patent/CH287222A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1224506B (de) * | 1956-07-12 | 1966-09-08 | Du Pont | Verfahren zur Herstellung von Acrylnitril-homopolymeren oder -mischpolymeren |
Also Published As
Publication number | Publication date |
---|---|
US2628223A (en) | 1953-02-10 |
FR1010232A (fr) | 1952-06-09 |
GB713245A (en) | 1954-08-11 |
CH287222A (fr) | 1952-11-30 |
NL75825C (fr) |