FI58138C - Foerfarande foer framstaellning av latex innehaollande stora partiklar av en gummiliknande polymer - Google Patents
Foerfarande foer framstaellning av latex innehaollande stora partiklar av en gummiliknande polymer Download PDFInfo
- Publication number
- FI58138C FI58138C FI2111/74A FI211174A FI58138C FI 58138 C FI58138 C FI 58138C FI 2111/74 A FI2111/74 A FI 2111/74A FI 211174 A FI211174 A FI 211174A FI 58138 C FI58138 C FI 58138C
- Authority
- FI
- Finland
- Prior art keywords
- weight
- particles
- diameter
- added
- polymer
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims description 17
- 239000004816 latex Substances 0.000 title claims description 11
- 239000002245 particle Substances 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 239000000178 monomer Substances 0.000 claims description 32
- 238000006116 polymerization reaction Methods 0.000 claims description 26
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- -1 vinyl aromatic compound Chemical class 0.000 claims description 11
- 229920000126 latex Polymers 0.000 claims description 10
- 238000001879 gelation Methods 0.000 claims description 7
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 6
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 239000003995 emulsifying agent Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 229920006037 cross link polymer Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000005054 agglomeration Methods 0.000 description 21
- 230000002776 aggregation Effects 0.000 description 21
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- 238000004132 cross linking Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- KAKVFSYQVNHFBS-UHFFFAOYSA-N (5-hydroxycyclopenten-1-yl)-phenylmethanone Chemical compound OC1CCC=C1C(=O)C1=CC=CC=C1 KAKVFSYQVNHFBS-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000012035 limiting reagent Substances 0.000 description 4
- 239000003505 polymerization initiator Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004159 Potassium persulphate Substances 0.000 description 3
- 235000019394 potassium persulphate Nutrition 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 1
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 description 1
- BTXXTMOWISPQSJ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-one Chemical class CC(=O)CC(F)(F)F BTXXTMOWISPQSJ-UHFFFAOYSA-N 0.000 description 1
- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KUGRPPRAQNPSQD-UHFFFAOYSA-N OOOOO Chemical compound OOOOO KUGRPPRAQNPSQD-UHFFFAOYSA-N 0.000 description 1
- DTAFLBZLAZYRDX-UHFFFAOYSA-N OOOOOO Chemical compound OOOOOO DTAFLBZLAZYRDX-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920002873 Polyethylenimine Chemical class 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical class [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 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
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- FFYWKOUKJFCBAM-UHFFFAOYSA-N ethenyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC=C FFYWKOUKJFCBAM-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000004680 hydrogen peroxides Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Chemical class 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical class [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 239000005266 side chain polymer Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229960000834 vinyl ether Drugs 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/065—Increasing the size of dispersed rubber particles
- C08C1/07—Increasing the size of dispersed rubber particles characterised by the agglomerating agents 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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)
- General Chemical & Material Sciences (AREA)
- Polymerisation Methods In General (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7325393A FR2239484B1 (OSRAM) | 1973-07-11 | 1973-07-11 | |
| FR7325393 | 1973-07-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI211174A7 FI211174A7 (OSRAM) | 1975-01-12 |
| FI58138B FI58138B (fi) | 1980-08-29 |
| FI58138C true FI58138C (fi) | 1980-12-10 |
Family
ID=9122400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2111/74A FI58138C (fi) | 1973-07-11 | 1974-07-09 | Foerfarande foer framstaellning av latex innehaollande stora partiklar av en gummiliknande polymer |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3891592A (OSRAM) |
| AT (1) | AT339038B (OSRAM) |
| BE (1) | BE817505A (OSRAM) |
| DE (1) | DE2432983C2 (OSRAM) |
| DK (1) | DK369774A (OSRAM) |
| ES (1) | ES428098A1 (OSRAM) |
| FI (1) | FI58138C (OSRAM) |
| FR (1) | FR2239484B1 (OSRAM) |
| GB (1) | GB1469303A (OSRAM) |
| IE (1) | IE39598B1 (OSRAM) |
| IT (1) | IT1016374B (OSRAM) |
| LU (1) | LU70492A1 (OSRAM) |
| NL (1) | NL164290B (OSRAM) |
| NO (1) | NO144112C (OSRAM) |
| SE (1) | SE404531B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9402717D0 (en) * | 1994-02-11 | 1994-04-06 | Allied Colloids Ltd | Solid polymeric products and their use |
| US5534594A (en) * | 1994-12-05 | 1996-07-09 | Rohm And Haas Company | Preparation of butadiene-based impact modifiers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857945A (en) * | 1958-04-10 | 1961-01-04 | Monsanto Chemicals | Polymerisation process |
| LU37810A1 (OSRAM) * | 1958-11-28 | |||
| NL274852A (OSRAM) * | 1961-02-16 | |||
| FR1314301A (fr) * | 1961-02-16 | 1963-01-04 | Huels Chemische Werke Ag | Procédé de préparation de dispersions concentrées et faiblement visqueuses de caoutchouc synthétique |
| GB965851A (en) * | 1961-11-06 | 1964-08-06 | Monsanto Chemicals | Graft copolymer blends |
| US3288741A (en) * | 1963-08-30 | 1966-11-29 | Goodrich Co B F | Glycol and acid salt treatment for increasing the particle size of synthetic rubber latex |
| US3318831A (en) * | 1963-12-16 | 1967-05-09 | Copolymer Rubber & Chem Corp | Process for preparing high solids concentrated latex |
| DE1921946B2 (de) * | 1969-04-30 | 1976-10-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von waessrigen dispersionen von polymerisaten olefinisch ungesaettigter monomerer |
| JPS497078B1 (OSRAM) * | 1970-12-29 | 1974-02-18 | ||
| GB1337615A (en) * | 1971-05-13 | 1973-11-14 | Int Synthetic Rubber | Latex preparation |
-
1973
- 1973-07-11 FR FR7325393A patent/FR2239484B1/fr not_active Expired
-
1974
- 1974-07-09 DE DE2432983A patent/DE2432983C2/de not_active Expired
- 1974-07-09 LU LU70492A patent/LU70492A1/xx unknown
- 1974-07-09 FI FI2111/74A patent/FI58138C/fi active
- 1974-07-09 IE IE1449/74A patent/IE39598B1/xx unknown
- 1974-07-09 ES ES428098A patent/ES428098A1/es not_active Expired
- 1974-07-09 NO NO742509A patent/NO144112C/no unknown
- 1974-07-09 NL NL7409245.A patent/NL164290B/xx not_active Application Discontinuation
- 1974-07-09 SE SE7409029A patent/SE404531B/xx not_active IP Right Cessation
- 1974-07-09 GB GB3040474A patent/GB1469303A/en not_active Expired
- 1974-07-10 US US487217A patent/US3891592A/en not_active Expired - Lifetime
- 1974-07-10 IT IT52033/74A patent/IT1016374B/it active
- 1974-07-10 AT AT571974A patent/AT339038B/de not_active IP Right Cessation
- 1974-07-10 BE BE146437A patent/BE817505A/xx not_active IP Right Cessation
- 1974-07-10 DK DK369774A patent/DK369774A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US3891592A (en) | 1975-06-24 |
| NO742509L (OSRAM) | 1975-02-10 |
| DE2432983A1 (de) | 1975-01-30 |
| ES428098A1 (es) | 1976-07-16 |
| FR2239484B1 (OSRAM) | 1977-09-16 |
| LU70492A1 (OSRAM) | 1975-03-27 |
| BE817505A (fr) | 1975-01-10 |
| FR2239484A1 (OSRAM) | 1975-02-28 |
| NL164290B (nl) | 1980-07-15 |
| NO144112C (no) | 1981-06-24 |
| SE7409029L (sv) | 1975-01-13 |
| SE404531B (sv) | 1978-10-09 |
| ATA571974A (de) | 1977-01-15 |
| NL7409245A (nl) | 1975-01-14 |
| IE39598B1 (en) | 1978-11-22 |
| FI58138B (fi) | 1980-08-29 |
| IT1016374B (it) | 1977-05-30 |
| FI211174A7 (OSRAM) | 1975-01-12 |
| IE39598L (en) | 1975-01-11 |
| DK369774A (OSRAM) | 1975-03-17 |
| NO144112B (no) | 1981-03-16 |
| GB1469303A (en) | 1977-04-06 |
| DE2432983C2 (de) | 1987-01-02 |
| AT339038B (de) | 1977-09-26 |
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