CN115477712A - 一种改善氟橡胶乳液凝聚效果的方法 - Google Patents
一种改善氟橡胶乳液凝聚效果的方法 Download PDFInfo
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- CN115477712A CN115477712A CN202110666013.2A CN202110666013A CN115477712A CN 115477712 A CN115477712 A CN 115477712A CN 202110666013 A CN202110666013 A CN 202110666013A CN 115477712 A CN115477712 A CN 115477712A
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- Prior art keywords
- fluororubber
- emulsion
- solubilizer
- coagulation
- coagulant
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- 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.)
- Pending
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- 229920001973 fluoroelastomer Polymers 0.000 title claims abstract description 76
- 238000005345 coagulation Methods 0.000 title claims abstract description 64
- 230000015271 coagulation Effects 0.000 title claims abstract description 64
- 239000000839 emulsion Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000000694 effects Effects 0.000 title claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 53
- 239000002245 particle Substances 0.000 claims abstract description 45
- 239000000701 coagulant Substances 0.000 claims abstract description 41
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000012498 ultrapure water Substances 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 40
- 238000002360 preparation method Methods 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 20
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000005060 rubber Substances 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 7
- -1 polyoxyethylene Polymers 0.000 claims description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229920000136 polysorbate Polymers 0.000 claims description 5
- 229950008882 polysorbate Drugs 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000084 colloidal system Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 description 20
- 230000001112 coagulating effect Effects 0.000 description 10
- 239000003292 glue Substances 0.000 description 9
- 238000001291 vacuum drying Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000000693 micelle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- RFFFKMOABOFIDF-UHFFFAOYSA-N Pentanenitrile Chemical compound CCCCC#N RFFFKMOABOFIDF-UHFFFAOYSA-N 0.000 description 3
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 3
- 235000011837 pasties Nutrition 0.000 description 3
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical compound OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002556 Polyethylene Glycol 300 Polymers 0.000 description 1
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/14—Coagulation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/14—Coagulation
- C08C1/15—Coagulation characterised by the coagulants used
-
- 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
- C08F14/00—Homopolymers and 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
-
- 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
- C08F14/00—Homopolymers and 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
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/08—Vinylidene chloride
-
- 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
- C08F14/00—Homopolymers and 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
- C08F14/18—Monomers containing fluorine
-
- 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
- C08F214/00—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
- C08F214/18—Monomers containing fluorine
-
- 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
- C08F214/00—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
- C08F214/18—Monomers containing fluorine
- C08F214/22—Vinylidene fluoride
-
- 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
- C08F214/00—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
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
-
- 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
- C08F214/00—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
- C08F214/18—Monomers containing fluorine
- C08F214/28—Hexyfluoropropene
-
- 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
- C08J3/12—Powdering or granulating
- C08J3/16—Powdering or granulating by coagulating dispersions
-
- 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
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
- C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
- C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
组分和参数 | 氟橡胶乳液 | 高纯水 | 凝聚剂 | 增溶剂 | 效果 | 含水率 | 粒径 | 电导率 |
实施例1 | 100 | 余量 | 0.3 | 0.08 | A+ | 0.118 | 0.8cm | 1.3 |
实施例2 | 100 | 余量 | 1 | 0.2 | A+ | 0.100 | 1.9cm | 1.4 |
实施例3 | 100 | 余量 | 0.3 | 0.5 | A | 0.075 | 1.6cm | 1.6 |
实施例4 | 100 | 余量 | 1 | 0.5 | A | 0.078 | 1.2cm | 2.4 |
实施例5 | 100 | 余量 | 0.1 | 0.05 | B | 0.109 | 0.3cm | 2.6 |
实施例6 | 100 | 余量 | 3 | 0.05 | B | 0.142 | 0.4cm | 2.8 |
实施例7 | 100 | 余量 | 0.1 | 1 | B | 0.112 | 0.2cm | 2.5 |
实施例8 | 100 | 余量 | 1.5 | 1 | B | 0.117 | 0.4cm | 2.6 |
对比例1 | 100 | 余量 | 0.3 | 无 | C | 0.229 | 0.1cm | 16 |
对比例2 | 100 | 余量 | 1 | 无 | C | 0.311 | 0.3cm | 20 |
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110666013.2A CN115477712A (zh) | 2021-06-16 | 2021-06-16 | 一种改善氟橡胶乳液凝聚效果的方法 |
PCT/CN2021/124486 WO2022262156A1 (zh) | 2021-06-16 | 2021-10-18 | 一种改善氟橡胶乳液凝聚效果的方法 |
EP21945736.3A EP4357373A1 (en) | 2021-06-16 | 2021-10-18 | Method for improving coagulating effect of fluororubber emulsion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110666013.2A CN115477712A (zh) | 2021-06-16 | 2021-06-16 | 一种改善氟橡胶乳液凝聚效果的方法 |
Publications (1)
Publication Number | Publication Date |
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CN115477712A true CN115477712A (zh) | 2022-12-16 |
Family
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Family Applications (1)
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CN202110666013.2A Pending CN115477712A (zh) | 2021-06-16 | 2021-06-16 | 一种改善氟橡胶乳液凝聚效果的方法 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4357373A1 (zh) |
CN (1) | CN115477712A (zh) |
WO (1) | WO2022262156A1 (zh) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080194769A1 (en) * | 2007-02-08 | 2008-08-14 | Lyons Donald F | Process for coagulating fluoroelastomers |
CN101323657B (zh) | 2008-03-07 | 2012-09-26 | 上海生大医保股份有限公司 | 戊腈橡胶乳液及戊腈橡胶的制备方法 |
US7816468B2 (en) * | 2008-09-18 | 2010-10-19 | Dupont Performance Elastomers Llc | Coagulation of fluoroelastomer dispersions with polyethylene oxide |
WO2012067937A2 (en) * | 2010-11-18 | 2012-05-24 | 3M Innovative Properties Company | Method of coagulating an amorphous fluoropolymer using modified inorganic nanoparticles |
CN102875711B (zh) | 2012-09-20 | 2014-05-14 | 中昊晨光化工研究院有限公司 | 一种聚偏氟乙烯乳液的凝聚洗涤方法 |
CN104356276B (zh) * | 2014-11-06 | 2016-09-07 | 浙江孚诺林化工新材料有限公司 | 一种采用氟醚磺酸盐制备26型氟橡胶的制备方法 |
CN110078857B (zh) * | 2019-04-04 | 2021-10-12 | 浙江巨圣氟化学有限公司 | 一种氟橡胶生胶的制备方法 |
CN112279943B (zh) * | 2019-07-25 | 2021-10-19 | 中昊晨光化工研究院有限公司 | 一种氟橡胶乳液的凝聚洗涤方法 |
-
2021
- 2021-06-16 CN CN202110666013.2A patent/CN115477712A/zh active Pending
- 2021-10-18 WO PCT/CN2021/124486 patent/WO2022262156A1/zh active Application Filing
- 2021-10-18 EP EP21945736.3A patent/EP4357373A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2022262156A1 (zh) | 2022-12-22 |
EP4357373A1 (en) | 2024-04-24 |
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