DE3152139A1 - Film-forming composition and the method of making cellulose ester film - Google Patents
Film-forming composition and the method of making cellulose ester filmInfo
- Publication number
- DE3152139A1 DE3152139A1 DE813152139A DE3152139A DE3152139A1 DE 3152139 A1 DE3152139 A1 DE 3152139A1 DE 813152139 A DE813152139 A DE 813152139A DE 3152139 A DE3152139 A DE 3152139A DE 3152139 A1 DE3152139 A1 DE 3152139A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- film
- ester
- radical
- composition
- 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.)
- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims description 81
- 229920002678 cellulose Polymers 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 150000002148 esters Chemical class 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 24
- 125000002467 phosphate group Polymers [H]OP(=O)(O[H])O[*] 0.000 claims description 22
- 150000003013 phosphoric acid derivatives Polymers 0.000 claims description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 229920002301 cellulose acetate Polymers 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000004014 plasticizer Substances 0.000 claims description 9
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 9
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims description 6
- 229920006218 cellulose propionate Polymers 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- HSUIVCLOAAJSRE-UHFFFAOYSA-N bis(2-methoxyethyl) benzene-1,2-dicarboxylate Chemical compound COCCOC(=O)C1=CC=CC=C1C(=O)OCCOC HSUIVCLOAAJSRE-UHFFFAOYSA-N 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 229920008347 Cellulose acetate propionate Polymers 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical compound [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 3
- 229920001727 cellulose butyrate Polymers 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 11
- 150000003014 phosphoric acid esters Chemical class 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 8
- 239000011877 solvent mixture Substances 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 4
- -1 fatty acid esters Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000005690 diesters Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- WDAXFOBOLVPGLV-UHFFFAOYSA-N ethyl isobutyrate Chemical compound CCOC(=O)C(C)C WDAXFOBOLVPGLV-UHFFFAOYSA-N 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000003365 short chain fatty acid esters Chemical class 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 description 1
- YUYABATUFQBGKJ-UHFFFAOYSA-N 2-(methoxymethoxycarbonyl)benzoic acid Chemical compound COCOC(=O)C1=CC=CC=C1C(O)=O YUYABATUFQBGKJ-UHFFFAOYSA-N 0.000 description 1
- 241000526960 Amaranthus acanthochiton Species 0.000 description 1
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/163,249 US4348238A (en) | 1980-06-26 | 1980-06-26 | Manufacture of cellulose ester film |
| PCT/US1981/000840 WO1982000033A1 (en) | 1980-06-26 | 1981-06-22 | Film-forming composition and the method of making cellulose ester film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3152139A1 true DE3152139A1 (en) | 1982-08-26 |
Family
ID=22589129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE813152139A Withdrawn DE3152139A1 (en) | 1980-06-26 | 1981-06-22 | Film-forming composition and the method of making cellulose ester film |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4348238A (enExample) |
| JP (1) | JPS57500833A (enExample) |
| BE (1) | BE889406A (enExample) |
| DE (1) | DE3152139A1 (enExample) |
| FR (1) | FR2485551A1 (enExample) |
| GB (1) | GB2089363B (enExample) |
| WO (1) | WO1982000033A1 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3466232D1 (en) * | 1984-04-04 | 1987-10-22 | Agfa Gevaert Nv | Stripping aids for cellulose ester film |
| EP0249476B1 (en) * | 1986-06-12 | 1994-08-10 | Mitsui Petrochemical Industries, Ltd. | Process for preparation of cellulose ester films |
| US4992491A (en) * | 1989-03-06 | 1991-02-12 | Eastman Kodak Company | Cellulose ester-copolyester ether blends |
| US5219510A (en) * | 1990-09-26 | 1993-06-15 | Eastman Kodak Company | Method of manufacture of cellulose ester film |
| JPH08118378A (ja) | 1994-10-20 | 1996-05-14 | Fuji Photo Film Co Ltd | セルローストリアセテートフィルム及びその製造方法 |
| RU2129574C1 (ru) * | 1997-04-10 | 1999-04-27 | Тюменский государственный нефтегазовый университет | Раствор для получения ацетобутиратцеллюлозных пленок |
| RU2170779C2 (ru) * | 1997-05-13 | 2001-07-20 | Тюменский государственный нефтегазовый университет | Раствор для формования искусственных волокон из ацетата целлюлозы |
| RU2167169C1 (ru) * | 1999-12-30 | 2001-05-20 | Тюменский государственный нефтегазовый университет | Формовочная триацетатцеллюлозная композиция для переработки в пленки |
| RU2175974C2 (ru) * | 2000-02-23 | 2001-11-20 | Тюменский государственный нефтегазовый университет | Раствор триацетата целлюлозы для формования модифицированных пленок |
| RU2177486C2 (ru) * | 2000-02-29 | 2001-12-27 | Тюменский государственный нефтегазовый университет | Состав для изготовления триацетатных пленок |
| RU2187520C1 (ru) * | 2001-04-16 | 2002-08-20 | Тюменский государственный нефтегазовый университет | Поликомпонентная смесь на основе уксусно-кислого эфира целлюлозы для производства пленок |
| RU2201424C2 (ru) * | 2001-05-18 | 2003-03-27 | Тюменский государственный нефтегазовый университет | Модифицированный раствор триацетата целлюлозы для формования пленок |
| RU2198901C1 (ru) * | 2001-07-09 | 2003-02-20 | Тюменский государственный нефтегазовый университет | Многокомпонентный полимерный состав для изготовления эфироцеллюлозных пленок |
| US7012746B2 (en) * | 2002-05-20 | 2006-03-14 | Eastman Kodak Company | Polyvinyl butyral films prepared by coating methods |
| US20030215581A1 (en) * | 2002-05-20 | 2003-11-20 | Eastman Kodak Company | Polycarbonate films prepared by coating methods |
| US7048823B2 (en) * | 2002-05-20 | 2006-05-23 | Eastman Kodak Company | Acrylic films prepared by coating methods |
| US20030215583A1 (en) * | 2002-05-20 | 2003-11-20 | Eastman Kodak Company | Sulfone films prepared by coating methods |
| US7083752B2 (en) * | 2002-05-20 | 2006-08-01 | Eastman Kodak Company | Cellulose acetate films prepared by coating methods |
| US7163738B2 (en) * | 2002-05-20 | 2007-01-16 | Eastman Kodak Company | Polyvinyl alcohol films prepared by coating methods |
| US7125504B2 (en) * | 2002-11-13 | 2006-10-24 | Eastman Kodak Company | Optical switch microfilms |
| US20100098943A1 (en) * | 2005-11-09 | 2010-04-22 | Marina Temchenko | Flame retardant clear films |
| US7854864B2 (en) | 2006-04-28 | 2010-12-21 | Konica Minolta Opto, Inc. | Method for manufacturing an optical film having a convexoconcave structure |
| JP2008260919A (ja) * | 2007-03-16 | 2008-10-30 | Fujifilm Corp | セルロースアセテートプロピオネートフィルム、セルロースアセテートプロピオネートフィルムの製造方法、光学補償シート、偏光板および液晶表示装置 |
| RU2326995C1 (ru) * | 2007-03-27 | 2008-06-20 | Государственное образовательное учреждение высшего профессионального образования "Тюменский государственный нефтегазовый университет" | Модифицированная прядильная триацетатцеллюлозная композиция |
| US20110200809A1 (en) * | 2010-02-12 | 2011-08-18 | Eastman Chemical Company | Sulfite softwood based cellulose triacetate for lcd films |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA745638A (en) * | 1966-11-01 | Nopco Chemical Company | Surface active compounds | |
| US2275716A (en) * | 1939-09-15 | 1942-03-10 | Eastman Kodak Co | Process of casting plastic sheeting |
| US3033889A (en) * | 1958-10-21 | 1962-05-08 | Gen Aniline & Film Corp | Phosphate esters of branched chain alcohols |
| US3194866A (en) * | 1961-12-22 | 1965-07-13 | Eastman Kodak Co | Method of forming a sheet |
| US3291625A (en) * | 1962-04-17 | 1966-12-13 | Ferrania Spa | Cellulose acetate solutions and the manufacture of self-sustaining films therefrom |
| US3326919A (en) * | 1963-07-29 | 1967-06-20 | Millmaster Onyx Corp | Quaternary ammonium salts of phosphoric acid esters |
| US3462520A (en) * | 1966-10-14 | 1969-08-19 | Gaf Corp | Phosphate esters of alkoxylated straight-chain primary alcohols |
| US3528833A (en) * | 1967-02-24 | 1970-09-15 | Celanese Corp | Cast cellulose acetate film having high slip |
| DE1669432C3 (de) * | 1968-01-08 | 1976-01-02 | Bayer Ag, 5090 Leverkusen | Verklebungsfrei machende Präparation von hochelastischen Fäden aus segmentierten Polyurethanen |
| US3793043A (en) * | 1969-07-30 | 1974-02-19 | Eastman Kodak Co | Cellulose ester dope solution containing inorganic chromium salts |
| US3778417A (en) * | 1971-03-29 | 1973-12-11 | Standard Oil Co | Polyamide-imide composition containing p-toluene sulfonic acid as stripping agent |
-
1980
- 1980-06-26 US US06/163,249 patent/US4348238A/en not_active Expired - Lifetime
-
1981
- 1981-06-22 JP JP56502510A patent/JPS57500833A/ja active Pending
- 1981-06-22 GB GB8204996A patent/GB2089363B/en not_active Expired
- 1981-06-22 DE DE813152139A patent/DE3152139A1/de not_active Withdrawn
- 1981-06-22 WO PCT/US1981/000840 patent/WO1982000033A1/en not_active Ceased
- 1981-06-25 FR FR8112460A patent/FR2485551A1/fr active Granted
- 1981-06-26 BE BE0/205234A patent/BE889406A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57500833A (enExample) | 1982-05-13 |
| FR2485551B1 (enExample) | 1984-03-16 |
| BE889406A (fr) | 1981-12-28 |
| WO1982000033A1 (en) | 1982-01-07 |
| FR2485551A1 (fr) | 1981-12-31 |
| GB2089363A (en) | 1982-06-23 |
| US4348238A (en) | 1982-09-07 |
| GB2089363B (en) | 1984-01-18 |
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