JPH0369927B2 - - Google Patents
Info
- Publication number
- JPH0369927B2 JPH0369927B2 JP56085841A JP8584181A JPH0369927B2 JP H0369927 B2 JPH0369927 B2 JP H0369927B2 JP 56085841 A JP56085841 A JP 56085841A JP 8584181 A JP8584181 A JP 8584181A JP H0369927 B2 JPH0369927 B2 JP H0369927B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- powder
- polymerization
- tetrafluoroethylene
- free
- 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
- 239000000843 powder Substances 0.000 claims description 128
- 229920000642 polymer Polymers 0.000 claims description 120
- 238000006116 polymerization reaction Methods 0.000 claims description 84
- 239000002245 particle Substances 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 46
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 46
- -1 perfluoroethyl- Chemical group 0.000 claims description 35
- 239000012736 aqueous medium Substances 0.000 claims description 33
- 239000007787 solid Substances 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 16
- 239000000155 melt Substances 0.000 claims description 15
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 15
- 239000000178 monomer Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 239000003995 emulsifying agent Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- DAVCAHWKKDIRLY-UHFFFAOYSA-N 1-ethenoxy-1,1,2,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)OC=C DAVCAHWKKDIRLY-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 230000003797 telogen phase Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 27
- 239000007789 gas Substances 0.000 description 16
- 238000012545 processing Methods 0.000 description 12
- BZPCMSSQHRAJCC-UHFFFAOYSA-N 1,2,3,3,4,4,5,5,5-nonafluoro-1-(1,2,3,3,4,4,5,5,5-nonafluoropent-1-enoxy)pent-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)=C(F)OC(F)=C(F)C(F)(F)C(F)(F)C(F)(F)F BZPCMSSQHRAJCC-UHFFFAOYSA-N 0.000 description 10
- 239000003607 modifier Substances 0.000 description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 230000000977 initiatory effect Effects 0.000 description 7
- 239000002609 medium Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004908 Emulsion polymer Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 3
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 206010001497 Agitation Diseases 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 238000004438 BET method Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000010128 melt processing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000052 poly(p-xylylene) Polymers 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 1
- WUMVZXWBOFOYAW-UHFFFAOYSA-N 1,2,3,3,4,4,4-heptafluoro-1-(1,2,3,3,4,4,4-heptafluorobut-1-enoxy)but-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)=C(F)OC(F)=C(F)C(F)(F)C(F)(F)F WUMVZXWBOFOYAW-UHFFFAOYSA-N 0.000 description 1
- FPBWSPZHCJXUBL-UHFFFAOYSA-N 1-chloro-1-fluoroethene Chemical group FC(Cl)=C FPBWSPZHCJXUBL-UHFFFAOYSA-N 0.000 description 1
- LDTMPQQAWUMPKS-UHFFFAOYSA-N 1-chloro-3,3,3-trifluoroprop-1-ene Chemical group FC(F)(F)C=CCl LDTMPQQAWUMPKS-UHFFFAOYSA-N 0.000 description 1
- RFJVDJWCXSPUBY-UHFFFAOYSA-N 2-(difluoromethylidene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane Chemical compound FC(F)=C1OC(F)(F)C(F)(C(F)(F)F)O1 RFJVDJWCXSPUBY-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical group C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000012928 buffer substance Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical class OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 229910001869 inorganic persulfate Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000001238 wet grinding 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
- 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
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803021369 DE3021369A1 (de) | 1980-06-06 | 1980-06-06 | Rohpolymerisat-pulver aus einem modifizierten tetrafluorethylen-polymerisat mit hohem schuettgewicht und guter rieselfaehigkeit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5728120A JPS5728120A (en) | 1982-02-15 |
| JPH0369927B2 true JPH0369927B2 (sv) | 1991-11-05 |
Family
ID=6104045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8584181A Granted JPS5728120A (en) | 1980-06-06 | 1981-06-05 | Denatured tetrafluoroethylene polymer preprocessed polymer powder having high bulk density and good powder fluidity index |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5728120A (sv) |
| DE (1) | DE3021369A1 (sv) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3736292A1 (de) * | 1987-10-27 | 1989-05-11 | Norton Pampus Gmbh | Wartungsfreies gleitlager |
| JP3671435B2 (ja) * | 1994-07-22 | 2005-07-13 | ダイキン工業株式会社 | 高分子量フッ素系溶融樹脂微粉末、その成形品、及びこれらの製造方法 |
| DE102009014974A1 (de) | 2009-03-18 | 2010-09-23 | Elringklinger Ag | Polymercompound sowie Bauteile, hergestellt unter Verwendung des Compounds |
| DE102009018637A1 (de) * | 2009-04-17 | 2010-10-21 | Elringklinger Ag | Gleitlager |
| FR2985215B1 (fr) | 2011-12-28 | 2014-09-19 | Saint Gobain Performance Plast | Revetements polymeres deposes sur des substrats par des techniques de projection thermique |
| CN103182808A (zh) | 2011-12-28 | 2013-07-03 | 圣戈班高功能塑料集团 | 一种包括含氟聚合物表面层以及非氟聚合物过渡层的多层复合物 |
| WO2014001524A1 (en) | 2012-06-29 | 2014-01-03 | Saint-Gobain Performance Plastics Pampus Gmbh | Slide bearing comprising a primer system as adhesion promoter |
| US9803690B2 (en) | 2012-09-28 | 2017-10-31 | Saint-Gobain Performance Plastics Pampus Gmbh | Maintenance-free slide bearing with a combined adhesive sliding layer |
| EP2955197B1 (en) * | 2013-02-05 | 2019-04-17 | AGC Inc. | Process for producing polytetrafluoroethylene molding powder and process for producing polytetrafluoroethylene agglomerated product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49130986A (sv) * | 1973-04-04 | 1974-12-16 | ||
| JPS53132088A (en) * | 1977-04-22 | 1978-11-17 | Du Pont | Coagulated powdered resin of tetrafluoroethylene copolymer |
-
1980
- 1980-06-06 DE DE19803021369 patent/DE3021369A1/de not_active Withdrawn
-
1981
- 1981-06-05 JP JP8584181A patent/JPS5728120A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49130986A (sv) * | 1973-04-04 | 1974-12-16 | ||
| JPS53132088A (en) * | 1977-04-22 | 1978-11-17 | Du Pont | Coagulated powdered resin of tetrafluoroethylene copolymer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5728120A (en) | 1982-02-15 |
| DE3021369A1 (de) | 1981-12-24 |
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