FR2269544A1 - Fluorocarbon polymer organo solns. with high solids content - obtd. using organic liquid mixt. in which polymer dissolves at 120-200 deg C. - Google Patents
Fluorocarbon polymer organo solns. with high solids content - obtd. using organic liquid mixt. in which polymer dissolves at 120-200 deg C.Info
- Publication number
- FR2269544A1 FR2269544A1 FR7414961A FR7414961A FR2269544A1 FR 2269544 A1 FR2269544 A1 FR 2269544A1 FR 7414961 A FR7414961 A FR 7414961A FR 7414961 A FR7414961 A FR 7414961A FR 2269544 A1 FR2269544 A1 FR 2269544A1
- Authority
- FR
- France
- Prior art keywords
- polymer
- solns
- obtd
- compn
- solids content
- 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.)
- Granted
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
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/11—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids from solid polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Organosol compns. comprise colloidal suspensions of fluorocarbon (co)polymers of particle size 4-6 mu in a liquid medium comprising (a mixt. of) organic solvents in which the (co)polymer is insoluble at 20-25 degrees C but soluble at the temp. of the fluorinated film formation, e.e. 120-200 degrees C. The compn. contain >=45% solids and has a viscosity of 2-100 poises. The compn. can contain >=60% solids, cf. 20% when using prior art solvents, e.g. DMF, THF, etc. and forms films with improved physical properties. Addition of dimethyl phthalate to the compn. results in a certain degree of thioxotropy which contributes to improved stability. (cf. prior art where irreversible gelation occurred).
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7414961A FR2269544A1 (en) | 1974-04-30 | 1974-04-30 | Fluorocarbon polymer organo solns. with high solids content - obtd. using organic liquid mixt. in which polymer dissolves at 120-200 deg C. |
BE154506A BE826893A (en) | 1974-04-30 | 1975-03-20 | COLLOIDAL DISPERSIONS OF FLUOROCARBON POLYMERS OR COPOLYMERS |
IT6807375A IT1032762B (en) | 1974-04-30 | 1975-04-28 | COLLOIDAL DISPERSION OF FLUOROCARBON POLYMER COPOLYMERS |
NL7505083A NL7505083A (en) | 1974-04-30 | 1975-04-29 | PROCESS FOR PREPARING COLLOIDAL DISPERSIONS OF POLYMERIC OR COPOLYMERE FLUORAL CARBONS. |
CH547975A CH594726A5 (en) | 1974-04-30 | 1975-04-29 | |
DE19752519010 DE2519010A1 (en) | 1974-04-30 | 1975-04-29 | COLLOIDAL DISPERSIONS OF POLYMERS OR COPOLYMERS OF FLUORINATED HYDROCARBONS |
JP5160275A JPS5130252A (en) | 1974-04-30 | 1975-04-30 | ORUGANOZORUSOSEIBUTSU |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7414961A FR2269544A1 (en) | 1974-04-30 | 1974-04-30 | Fluorocarbon polymer organo solns. with high solids content - obtd. using organic liquid mixt. in which polymer dissolves at 120-200 deg C. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2269544A1 true FR2269544A1 (en) | 1975-11-28 |
FR2269544B1 FR2269544B1 (en) | 1976-10-15 |
Family
ID=9138299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7414961A Granted FR2269544A1 (en) | 1974-04-30 | 1974-04-30 | Fluorocarbon polymer organo solns. with high solids content - obtd. using organic liquid mixt. in which polymer dissolves at 120-200 deg C. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5130252A (en) |
BE (1) | BE826893A (en) |
CH (1) | CH594726A5 (en) |
DE (1) | DE2519010A1 (en) |
FR (1) | FR2269544A1 (en) |
IT (1) | IT1032762B (en) |
NL (1) | NL7505083A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5482004A (en) * | 1977-12-12 | 1979-06-29 | Mitsubishi Electric Corp | Rectifier for vehicle ac generator |
DE3444862A1 (en) * | 1984-12-08 | 1986-06-12 | Hammersteiner Kunststoffe GmbH, 5142 Hückelhoven | Coated flexible web |
JP4703225B2 (en) * | 2005-03-17 | 2011-06-15 | 三井・デュポンフロロケミカル株式会社 | Method for producing fluororesin organosol and fluororesin organosol |
JP2013234209A (en) * | 2010-09-03 | 2013-11-21 | Asahi Glass Co Ltd | Method for producing fluororesin organosol, fluororesin organosol, and coating composition |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3751612A (en) * | 1971-08-30 | 1973-08-07 | Colorado Instr Inc | Snap action capacitive type switch |
JPS515447B2 (en) * | 1971-08-31 | 1976-02-20 |
-
1974
- 1974-04-30 FR FR7414961A patent/FR2269544A1/en active Granted
-
1975
- 1975-03-20 BE BE154506A patent/BE826893A/en not_active IP Right Cessation
- 1975-04-28 IT IT6807375A patent/IT1032762B/en active
- 1975-04-29 CH CH547975A patent/CH594726A5/xx not_active IP Right Cessation
- 1975-04-29 NL NL7505083A patent/NL7505083A/en not_active Application Discontinuation
- 1975-04-29 DE DE19752519010 patent/DE2519010A1/en active Pending
- 1975-04-30 JP JP5160275A patent/JPS5130252A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CH594726A5 (en) | 1978-01-31 |
IT1032762B (en) | 1979-06-20 |
NL7505083A (en) | 1975-11-03 |
DE2519010A1 (en) | 1975-11-13 |
FR2269544B1 (en) | 1976-10-15 |
BE826893A (en) | 1975-07-16 |
JPS5130252A (en) | 1976-03-15 |
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