DE2619877C2 - - Google Patents
Info
- Publication number
- DE2619877C2 DE2619877C2 DE2619877A DE2619877A DE2619877C2 DE 2619877 C2 DE2619877 C2 DE 2619877C2 DE 2619877 A DE2619877 A DE 2619877A DE 2619877 A DE2619877 A DE 2619877A DE 2619877 C2 DE2619877 C2 DE 2619877C2
- Authority
- DE
- Germany
- Prior art keywords
- hydroxide
- aqueous suspension
- treatment
- vinyl chloride
- polymer
- 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
- 239000007900 aqueous suspension Substances 0.000 claims description 55
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 51
- 229920000642 polymer Polymers 0.000 claims description 51
- 238000006116 polymerization reaction Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- 125000005634 peroxydicarbonate group Chemical group 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- WUPZNKGVDMHMBS-UHFFFAOYSA-N azane;dihydrate Chemical compound [NH4+].[NH4+].[OH-].[OH-] WUPZNKGVDMHMBS-UHFFFAOYSA-N 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 21
- 238000007664 blowing Methods 0.000 description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 9
- 239000000908 ammonium hydroxide Substances 0.000 description 9
- 238000007710 freezing Methods 0.000 description 9
- 230000008014 freezing Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000013459 approach Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000007872 degassing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003999 initiator Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000375 suspending agent Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- CWINGZLCRSDKCL-UHFFFAOYSA-N ethoxycarbonyloxy ethyl carbonate Chemical group CCOC(=O)OOC(=O)OCC CWINGZLCRSDKCL-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000010943 off-gassing Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- UDBVWWVWSXSLAX-UHFFFAOYSA-N 4-[2,3-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)C(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)CC1=CC(C(C)(C)C)=C(O)C=C1C UDBVWWVWSXSLAX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- -1 -tert-butyl cresol Chemical compound 0.000 description 1
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 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
- 108010010803 Gelatin Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- MYPDDNAJRRJUCE-UHFFFAOYSA-N buta-1,3-diene;2-methylprop-2-enenitrile;styrene Chemical compound C=CC=C.CC(=C)C#N.C=CC1=CC=CC=C1 MYPDDNAJRRJUCE-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- ZFTFAPZRGNKQPU-UHFFFAOYSA-N dicarbonic acid Chemical class OC(=O)OC(O)=O ZFTFAPZRGNKQPU-UHFFFAOYSA-N 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- QWVBGCWRHHXMRM-UHFFFAOYSA-N hexadecoxycarbonyloxy hexadecyl carbonate Chemical compound CCCCCCCCCCCCCCCCOC(=O)OOC(=O)OCCCCCCCCCCCCCCCC QWVBGCWRHHXMRM-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material 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
- C08F6/24—Treatment of polymer suspensions
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)
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7516579A FR2312514A1 (fr) | 1975-05-26 | 1975-05-26 | Procede pour la polymerisation du chlorure de vinyle en suspension aqueuse |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2619877A1 DE2619877A1 (de) | 1976-12-16 |
DE2619877C2 true DE2619877C2 (is") | 1988-05-26 |
Family
ID=9155753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762619877 Granted DE2619877A1 (de) | 1975-05-26 | 1976-05-05 | Verfahren zur polymerisation von vinylchlorid in waessriger suspension |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS605607B2 (is") |
AT (1) | AT354085B (is") |
BE (1) | BE842139A (is") |
BR (1) | BR7603310A (is") |
CA (1) | CA1091396A (is") |
CH (1) | CH612691A5 (is") |
DE (1) | DE2619877A1 (is") |
ES (1) | ES448211A1 (is") |
FI (1) | FI61499C (is") |
FR (1) | FR2312514A1 (is") |
GB (1) | GB1496848A (is") |
IT (1) | IT1060867B (is") |
NL (1) | NL184365C (is") |
NO (1) | NO148152C (is") |
PT (1) | PT64986B (is") |
SE (1) | SE426395B (is") |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3505238A1 (de) * | 1985-02-15 | 1986-08-21 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von trockenen vinylchlorid-suspensionspolymerisaten |
JPS63179903U (is") * | 1987-05-15 | 1988-11-21 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA865802A (en) * | 1971-03-09 | Esso Research And Engineering Company | Vinyl chloride homo- and copolymers stability | |
NL136294C (is") * | 1968-04-24 | |||
US3720700A (en) * | 1969-11-14 | 1973-03-13 | Kema Nord Ab | Di-cetyl peroxy dicarbonate |
IT989178B (it) * | 1972-07-19 | 1975-05-20 | Solvay | Procedimento per eliminare vinil cloruro residuo presente in poli meri |
-
1975
- 1975-05-26 FR FR7516579A patent/FR2312514A1/fr active Granted
-
1976
- 1976-03-11 CH CH305276A patent/CH612691A5/xx not_active IP Right Cessation
- 1976-04-08 PT PT64986A patent/PT64986B/pt unknown
- 1976-05-05 CA CA251,871A patent/CA1091396A/fr not_active Expired
- 1976-05-05 DE DE19762619877 patent/DE2619877A1/de active Granted
- 1976-05-07 GB GB18785/76A patent/GB1496848A/en not_active Expired
- 1976-05-11 FI FI761324A patent/FI61499C/fi not_active IP Right Cessation
- 1976-05-20 JP JP51057345A patent/JPS605607B2/ja not_active Expired
- 1976-05-24 BE BE1007407A patent/BE842139A/xx not_active IP Right Cessation
- 1976-05-25 NO NO76761778A patent/NO148152C/no unknown
- 1976-05-25 AT AT382776A patent/AT354085B/de not_active IP Right Cessation
- 1976-05-25 SE SE7605923A patent/SE426395B/xx not_active IP Right Cessation
- 1976-05-25 ES ES448211A patent/ES448211A1/es not_active Expired
- 1976-05-26 IT IT23709/76A patent/IT1060867B/it active
- 1976-05-26 BR BR3310/76A patent/BR7603310A/pt unknown
- 1976-05-26 NL NLAANVRAGE7605686,A patent/NL184365C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS51144478A (en) | 1976-12-11 |
SE426395B (sv) | 1983-01-17 |
DE2619877A1 (de) | 1976-12-16 |
FR2312514A1 (fr) | 1976-12-24 |
FI61499C (fi) | 1982-08-10 |
GB1496848A (en) | 1978-01-05 |
NL184365C (nl) | 1989-07-03 |
NO148152C (no) | 1983-08-17 |
AT354085B (de) | 1979-12-27 |
FI761324A7 (is") | 1976-11-27 |
FI61499B (fi) | 1982-04-30 |
FR2312514B1 (is") | 1977-12-09 |
PT64986A (fr) | 1976-05-01 |
SE7605923L (sv) | 1976-11-27 |
JPS605607B2 (ja) | 1985-02-13 |
BE842139A (fr) | 1976-11-24 |
CA1091396A (fr) | 1980-12-09 |
IT1060867B (it) | 1982-09-30 |
ATA382776A (de) | 1979-05-15 |
ES448211A1 (es) | 1977-07-01 |
BR7603310A (pt) | 1976-12-07 |
CH612691A5 (en) | 1979-08-15 |
NO761778L (is") | 1976-11-29 |
NO148152B (no) | 1983-05-09 |
PT64986B (fr) | 1977-09-07 |
NL7605686A (nl) | 1976-11-30 |
NL184365B (nl) | 1989-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2331895C2 (de) | Verfahren zur Entfernung von restlichen Manomeren aus einem Vinylchloridhomo- oder -copolymerisat | |
DE1520500B1 (de) | Verfahren zur Herstellung von Tetrafluoraethylen-Hexafluorpropylen-Mischpolymerisaten | |
DE1595848B2 (de) | Verfahren zur herstellung von vinylchloridpolymerisaten | |
DE2531111A1 (de) | Verfahren zur entfernung von restlichem vinylchlorid aus sich in waessriger dispersion befindenden vinylchloridpolymeren | |
DE1595181B2 (de) | Verfahren zur Herstellung von homogenen chlorsulfonierten Polyolefinen | |
DE2236456B2 (de) | Verfahren zum herstellen eines gemischten polymerisats | |
DE2619877C2 (is") | ||
DE2613519C2 (de) | Verfahren zum Trocknen von feuchten Teilchen eines hydrolysierten Äthylen/Vinylacetat-Mischpolymerisats | |
DE2244279C3 (de) | Verfahren zur Polymerisation von Tetrafluoräthylen in wässriger Suspension und Verwendung des Verfahrensproduktes zum direkten Extrudieren und zum automatischen Beschicken der Pressformen | |
DE2104077C3 (de) | Verfahren zur Herstellung von Tetrafluoräthylen-Hexafluorpropylen-Copolymerisaten | |
DE1770405C2 (de) | Verfahren zum Polymerisieren von Fluorethylenen | |
DE2364138A1 (de) | Verfahren zur gewinnung von acrylnitrilstyrol-copolymerisaten und acrylnitrilstyrol-butadien-copolymerisaten aus den entsprechenden polymer-latices | |
DE2415983A1 (de) | Verfahren zum substanzhomo- oder -copolymerisieren von vinylchlorid | |
DE1495871B1 (de) | Verfahren zur Herstellung von Vinylchloridpolymerisaten | |
DE962834C (de) | Verfahren zur Herstellung von Polyvinylchlorid | |
DE1210562B (de) | Verfahren zum gesteuerten thermischen Abbau von kristallinen Polymeren aliphatischer Mono-alpha-olefine | |
DE2807180C2 (is") | ||
DE2203465C2 (de) | Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen | |
DE2064498B2 (de) | Verfahren zur herstellung thermisch stabiler formmassen durch behandlung von vinylchloridpolymerisaten | |
DE2641563C2 (de) | Verfahren zum Herabsetzen des Gehaltes von monomerem Vinylchlorid in trockenen Teilchen von Vinylchloridhomo- oder -mischpolymerisaten | |
CH630100A5 (en) | Process for the removal of residual monomers from homopolymers, copolymers or graft polymers containing at least 50% by weight of polymerised vinyl chloride | |
DE1595130C (de) | Verfahren zur kontinuierlichen Herstellung von Homo- oder Mischpolymerisaten des Vinylchlorids | |
DE3112250A1 (de) | Verfahren zur herstellung von styrolharzen | |
DE2400611A1 (de) | Verfahren zur herstellung von polyvinylchlorid-compounds | |
DE2441289A1 (de) | Verfahren zur verringerung des gehaltes an monomerem vinylchlorid in polymerisaten des vinylchlorids |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: C08F 6/24 |
|
8128 | New person/name/address of the agent |
Representative=s name: LEDERER, F., DIPL.-CHEM. DR., PAT.-ANW., 8000 MUEN |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |