GB689801A - Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom - Google Patents
Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefromInfo
- Publication number
- GB689801A GB689801A GB18778/50A GB1877850A GB689801A GB 689801 A GB689801 A GB 689801A GB 18778/50 A GB18778/50 A GB 18778/50A GB 1877850 A GB1877850 A GB 1877850A GB 689801 A GB689801 A GB 689801A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gel
- polytetrafluoroethylene
- filaments
- dispersion
- ammonium
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- 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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
- D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US689801XA | 1949-07-27 | 1949-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB689801A true GB689801A (en) | 1953-04-08 |
Family
ID=22085925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18778/50A Expired GB689801A (en) | 1949-07-27 | 1950-07-27 | Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE497217A (fi) |
DE (2) | DE941092C (fi) |
FR (1) | FR1023422A (fi) |
GB (1) | GB689801A (fi) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148234A (en) * | 1956-12-24 | 1964-09-08 | Du Pont | Method of preparing filaments containing polytetrafluoroethylene emulsions |
EP0612770A1 (de) * | 1993-02-24 | 1994-08-31 | Hoechst Aktiengesellschaft | Feinteilige Dispersionen von thermoplastischen Fluorpolymeren |
WO1998028469A1 (en) * | 1996-12-20 | 1998-07-02 | E.I. Du Pont De Nemours And Company | Dispersion spinning process for poly(tetrafluoroethylene) and related polymers |
CN1966784B (zh) * | 2005-12-05 | 2010-08-04 | 常州市兴诚高分子材料有限公司 | 聚四氟乙烯棕色纤维加工设备 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2776465A (en) * | 1954-08-12 | 1957-01-08 | Du Pont | Highly oriented shaped tetrafluoroethylene article and process for producing the same |
DE1110133B (de) * | 1958-01-20 | 1961-07-06 | Du Pont | Buerste mit einem Kunststoffborstenbesatz |
-
0
- BE BE497217D patent/BE497217A/xx unknown
-
1950
- 1950-07-27 GB GB18778/50A patent/GB689801A/en not_active Expired
- 1950-07-27 FR FR1023422D patent/FR1023422A/fr not_active Expired
- 1950-07-28 DE DEP9087A patent/DE941092C/de not_active Expired
- 1950-07-28 DE DEP2878A patent/DE938508C/de not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148234A (en) * | 1956-12-24 | 1964-09-08 | Du Pont | Method of preparing filaments containing polytetrafluoroethylene emulsions |
EP0612770A1 (de) * | 1993-02-24 | 1994-08-31 | Hoechst Aktiengesellschaft | Feinteilige Dispersionen von thermoplastischen Fluorpolymeren |
US5563213A (en) * | 1993-02-24 | 1996-10-08 | Hoechst Aktiengesellschaft | Finely particulate dispersions of thermoplastic fluoropolymers |
WO1998028469A1 (en) * | 1996-12-20 | 1998-07-02 | E.I. Du Pont De Nemours And Company | Dispersion spinning process for poly(tetrafluoroethylene) and related polymers |
CN1966784B (zh) * | 2005-12-05 | 2010-08-04 | 常州市兴诚高分子材料有限公司 | 聚四氟乙烯棕色纤维加工设备 |
Also Published As
Publication number | Publication date |
---|---|
BE497217A (fi) | |
DE938508C (de) | 1956-02-02 |
DE941092C (de) | 1956-04-05 |
FR1023422A (fr) | 1953-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2535044A (en) | Spinning of viscose | |
GB689801A (en) | Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom | |
US2065175A (en) | Manufacture of artificial silk | |
US4421707A (en) | Acrylic wet spinning process | |
US2777775A (en) | Production of artificial filaments, threads, and the like | |
US2860480A (en) | Regenerated cellulose structures and process for producing them | |
US2916348A (en) | Production of polyacrylonitrile filaments | |
US2503244A (en) | Solutions of acrylonitrile polymers | |
JPS6021905A (ja) | 高強度,高弾性率アクリル系繊維およびその製造法 | |
US2516316A (en) | Borax spinning bath | |
US2499501A (en) | Cellulose derivatives | |
US2937922A (en) | Viscose process | |
US3767755A (en) | Process for producing brilliant acrylic fibers of a noncircular crosssection | |
US3736304A (en) | Production of polymers comprising acrylonitrile and a tertiary amino alkyl ester of an unsaturated acid | |
JPS6278209A (ja) | アクリロニトリル系合成繊維の製法 | |
US3429735A (en) | High wet strength webs impregnated with polymeric alcohol | |
US4402899A (en) | Zinc-free preparation of rayon fibers | |
US3235642A (en) | Process of extruding an aqueous dispersion containing viscose and an acrylonitrile polymer | |
US2847272A (en) | Production of artificial filaments, threads and the like | |
US2792279A (en) | Viscose composition and method of spinning | |
US2978292A (en) | Manufacture of rayon | |
US4405549A (en) | Zinc-free preparation of rayon fibers | |
US1626454A (en) | Manufacture of artificial silk and the like from viscose solutions | |
GB813331A (en) | Improvements in molecular orientation of tetrafluoroethylene polymer films, fibres or filaments | |
US3011861A (en) | Wet spinning polyvinyl alcohol process |