JPH0248022B2 - - Google Patents
Info
- Publication number
- JPH0248022B2 JPH0248022B2 JP58049065A JP4906583A JPH0248022B2 JP H0248022 B2 JPH0248022 B2 JP H0248022B2 JP 58049065 A JP58049065 A JP 58049065A JP 4906583 A JP4906583 A JP 4906583A JP H0248022 B2 JPH0248022 B2 JP H0248022B2
- Authority
- JP
- Japan
- Prior art keywords
- fluoroelastomer
- coagulant
- coagulant solution
- weight
- solution
- 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 - Lifetime
Links
- 239000000701 coagulant Substances 0.000 claims description 73
- 238000000034 method Methods 0.000 claims description 67
- 229920001973 fluoroelastomer Polymers 0.000 claims description 65
- 239000002245 particle Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 16
- 239000004816 latex Substances 0.000 claims description 15
- 229920000126 latex Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 238000000889 atomisation Methods 0.000 claims description 8
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 7
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 46
- 238000002156 mixing Methods 0.000 description 26
- 238000002347 injection Methods 0.000 description 19
- 239000007924 injection Substances 0.000 description 19
- 229920000642 polymer Polymers 0.000 description 15
- 239000000839 emulsion Substances 0.000 description 13
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 8
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000007720 emulsion polymerization reaction Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 hexafluoropropylene, tetrafluoroethylene Chemical group 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- AYCANDRGVPTASA-UHFFFAOYSA-N 1-bromo-1,2,2-trifluoroethene Chemical group FC(F)=C(F)Br AYCANDRGVPTASA-UHFFFAOYSA-N 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- GZIHBQKMUWWACF-UHFFFAOYSA-N BrC=CCC(F)(F)F Chemical compound BrC=CCC(F)(F)F GZIHBQKMUWWACF-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- C08F6/00—Post-polymerisation treatments
- C08F6/14—Treatment of polymer emulsions
- C08F6/22—Coagulation
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)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/363,377 US4408038A (en) | 1982-03-29 | 1982-03-29 | In-line coagulation process for fluoroelastomer emulsions |
| US363377 | 1982-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58176219A JPS58176219A (ja) | 1983-10-15 |
| JPH0248022B2 true JPH0248022B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-23 |
Family
ID=23429973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58049065A Granted JPS58176219A (ja) | 1982-03-29 | 1983-03-25 | フルオロエラストマ−乳化物を工程中で凝固させる方法 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3830562C2 (de) * | 1988-09-08 | 1996-08-29 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Koagulation wässriger Vinylchlorid-Polymerlatices |
| US6774164B2 (en) * | 2000-09-22 | 2004-08-10 | Dupont Dow Elastomers L.L.C. | Process for producing fluoroelastomers with fluorinated anionic surfactants |
| US8193308B2 (en) * | 2005-05-02 | 2012-06-05 | Daikin Industries, Ltd. | Process for preparing fluorine-containing polymer and fluorine-containing polymer prepared by said preparation process |
| US20080194769A1 (en) * | 2007-02-08 | 2008-08-14 | Lyons Donald F | Process for coagulating fluoroelastomers |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2378732A (en) * | 1940-10-23 | 1945-06-19 | Goodrich Co B F | Production of synthetic rubber |
| US2371722A (en) * | 1940-10-24 | 1945-03-20 | Du Pont | Process for washing and drying coagula of rubber and similar materials |
| US2366460A (en) * | 1940-11-29 | 1945-01-02 | Goodrich Co B F | Method of coagulating dispersions |
| US2408128A (en) * | 1942-10-24 | 1946-09-24 | Standard Oil Dev Co | Coagulation process |
| US2647103A (en) * | 1950-11-03 | 1953-07-28 | Firestone Tire & Rubber Co | Latex coagulation process |
| US2654730A (en) * | 1951-10-18 | 1953-10-06 | Dow Chemical Co | Coagulation and washing of normally crystalline vinylidene chloride polymer emulsions |
| DE1078329B (de) * | 1955-04-27 | 1960-03-24 | Du Pont | Verfahren zur Herstellung eines elastischen Mischpolymerisats aus Vinylidenfluorid und einem anderen Fluorolefin |
| US2915489A (en) * | 1956-09-19 | 1959-12-01 | Columbian Carbon | Method of coagulating rubber latices |
| US2968649A (en) * | 1958-12-04 | 1961-01-17 | Du Pont | Elastomeric terpolymers |
| US3179380A (en) * | 1959-11-02 | 1965-04-20 | Dow Chemical Co | Apparatus for coagulation of colloidal dispersions |
| US3245970A (en) * | 1959-11-02 | 1966-04-12 | Dow Chemical Co | Method for coagulation of colloidal dispersions |
| NL263649A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1960-04-15 | |||
| CA686381A (en) * | 1961-06-08 | 1964-05-12 | Holzrichter Hermann | Coagulated rubber latex and a method of preparing |
| US3248455A (en) * | 1963-08-14 | 1966-04-26 | Us Rubber Co | Method of recovering resinous polymer from latex |
| BE754657Q (fr) * | 1965-11-29 | 1971-01-18 | Kenics Corp | Appareil melangeur |
| US3536683A (en) * | 1967-04-07 | 1970-10-27 | Du Pont | Process for isolating a fluorine-containing polymer |
| US3598794A (en) * | 1969-02-25 | 1971-08-10 | Du Pont | Recovery of fluoroelastomer from aqueous dispersion |
| US3664638A (en) * | 1970-02-24 | 1972-05-23 | Kenics Corp | Mixing device |
| US3635444A (en) * | 1970-09-08 | 1972-01-18 | Amvit | Static mixer |
| US3675901A (en) * | 1970-12-09 | 1972-07-11 | Phillips Petroleum Co | Method and apparatus for mixing materials |
| US3704006A (en) * | 1971-01-25 | 1972-11-28 | Kenics Corp | Dispersion producing method |
| US3752789A (en) * | 1971-08-20 | 1973-08-14 | Du Pont | Isolation of a fluoropolymer from a latex |
| US3861652A (en) * | 1972-11-15 | 1975-01-21 | Du Pont | Mixing device |
| US3876616A (en) * | 1973-05-29 | 1975-04-08 | Du Pont | Wet blending of fluoroelastomer compositions |
| US3997705A (en) * | 1974-07-11 | 1976-12-14 | Dynamit Nobel Aktiengesellschaft | Method of coagulating a fluoro-elastomer from an aqueous dispersion thereof |
| US4035565A (en) * | 1975-03-27 | 1977-07-12 | E. I. Du Pont De Nemours And Company | Fluoropolymer containing a small amount of bromine-containing olefin units |
| GB1567609A (en) * | 1976-09-23 | 1980-05-21 | W Bar E Inc | Separating polymers from emulsions thereof |
| US4132845A (en) * | 1977-05-27 | 1979-01-02 | E. I. Du Pont De Nemours And Company | Mechanical dewatering process for elastomer slurries |
| US4163837A (en) * | 1977-11-16 | 1979-08-07 | Phillips Petroleum Company | Multiple loci counter-current washing |
| CA1145897A (en) * | 1979-07-19 | 1983-05-03 | Nur Gurak | Latex coagulation |
-
1982
- 1982-03-29 US US06/363,377 patent/US4408038A/en not_active Expired - Lifetime
-
1983
- 1983-03-24 CA CA000424349A patent/CA1236650A/en not_active Expired
- 1983-03-25 JP JP58049065A patent/JPS58176219A/ja active Granted
- 1983-03-26 DE DE8383103039T patent/DE3380029D1/de not_active Expired
- 1983-03-26 EP EP83103039A patent/EP0091597B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3380029D1 (en) | 1989-07-13 |
| EP0091597A3 (en) | 1986-06-11 |
| EP0091597B1 (en) | 1989-06-07 |
| EP0091597A2 (en) | 1983-10-19 |
| JPS58176219A (ja) | 1983-10-15 |
| US4408038A (en) | 1983-10-04 |
| CA1236650A (en) | 1988-05-10 |
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