Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
  • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
  • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
  • D01F2/08—Composition of the spinning solution or the bath
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
  • D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
  • D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
  • D06M11/22—Halides of elements of Groups 5 or 15 of the Periodic Table
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
  • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
  • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
  • D06M11/40—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table combined with, or in absence of, mechanical tension, e.g. slack mercerising
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
  • D06M11/53—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with hydrogen sulfide or its salts; with polysulfides
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
  • D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
  • D06M11/64—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
  • D06M11/75—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with phosgene; with compounds containing both carbon and sulfur, e.g. thiophosgene
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
  • F02M59/20—Varying fuel delivery in quantity or timing
  • F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
  • F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/02—Natural fibres, other than mineral fibres
  • D06M2101/04—Vegetal fibres
  • D06M2101/06—Vegetal fibres cellulosic
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/02—Natural fibres, other than mineral fibres
  • D06M2101/04—Vegetal fibres
  • D06M2101/06—Vegetal fibres cellulosic
  • D06M2101/08—Esters or ethers of cellulose
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
  • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
  • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
  • F02M2700/1317—Fuel pumpo for internal combustion engines
  • F02M2700/1388—Fuel pump with control of the piston relative to a fixed cylinder

Definitions

• the present invention is based upon the discovery that viscoses containing not more than 5 per cent of caustic alkali (calculated as NaOH), when brought into the form of an artificial materialsuch as threads, films, bands or plates, yield lustrous products when coa-gulated with sulphuric acid containing not less than 45, but less than 55 per cent of H 80 I
• Any viscose prepared according to any process or method known hitherto from analkali cellulose that has been matured as usual in the artificial silk art, for example for 72 hours, or that has notbeen matured at all or that has been matured fora shorter time than such as isusual in the artificial silk art, for example for- 3 to 48 hours, may
• the viscose does not contain more than 5 per cent "of caustic alkali (calculated as NaOH).
• This aim can be attained for example by dissolving the sulphidized mass either in water or in a causticsoda solution weak enough not to allow the total content of the final viscose in caustic soda. to exceed 5 per cent calculated on the weight of the final viscose solution.
• Such viscose is brought into the form of an artificial material and coagulated by means of strong sulphuric acid, for example sulphuricacid containing 45 to 55 per cent of monohydrate.
• strong sulphuric acid for example sulphuricacid containing 45 to 55 per cent of monohydrate.
• this can be efiected in such a manner that the viscose is caused to pass through suitably formed openings into strong sulphuric acid, for instance acid of A5. to 55 per cent strength (calculated on H SOJ or into a bath containing 45 to 55 per cent of monohydrate.
• the sulphuric acid may be employed by itself or in admixture with one or more suitable inorganic substances, for example with another strong mineral acid such as hydrochloric acid, nitric acid or phosphoric acid, or with a neutral or acid acid, such as acetic acid or formic acid or.
• suitable inorganic substances for example with another strong mineral acid such as hydrochloric acid, nitric acid or phosphoric acid, or with a neutral or acid acid, such as acetic acid or formic acid or.
• lactic acid or oxalic acid If a salt is added which is capable of reacting with the strong sulphuric acid under formation of an acid sulphate, or which mutually interacts with the sulphuric acid, the strength of the sulphuric acid should be so chosen that, after,
• the coagulating bath contains free sulphuric acid of the desired strength, but
• viscose there may be added to the viscose one or more suitable substances known in the viscose-silk art, for example glycerol or glucose or sodium sulphate or sodium sulphite or sodium bisulphite or ammonium sulphate or an alkali silicate or an alkali aluminate or ammonia.
• suitable substances for example glycerol or glucose or sodium sulphate or sodium sulphite or sodium bisulphite or ammonium sulphate or an alkali silicate or an alkali aluminate or ammonia.
• the precipitating bath may be kept at room temperature or at a temperature exceeding room temperature, for example at 25 to 40 C., or at a temperature lower than room temperature, for example at 0 to 5 C., or even below 0 0., for example at from -1to -10C.--
• the length of immersion of the thread or filament or plate or film or band in 'the strong sulphuric acid or in the bath containing it may be varied within wide limits, for example" mm 3 to 60 centimetres and even more, for instance 1 to 2 meters.
• the thread or film or band may be stretched either immediately after its formation, i. e. in the precipitating bath containing, or consisting of, sulphuric acid, of
• Thethread or fihn or band or plate or coated or impregnated material may, after washing, be heated or steamed before or after drying.
• the temperature of the precipitating bath is kept at to 169 C., for instance at 8 C., orat 4to-8 C.
• the length of immersion in the coagulating bath of. the threads forming therein may be short for example 10 centimetres or long forinstance from 30 to 100 centimetres and more. They are then collected in a known manner on a bobbin or in a spinning centrifuge which ma be placed either close by the Then the mass is pressed to 300 The com-,
• the coagulating bath is (1., for example 8 C., i v desired-t e speedath or at a distance from.
• the threads ma known manner whi st they are in the precipitating bath, or after they 'ave been removed from the bath. This may be done for example either by choosing a more or less long distance between the bath and the col- "lecting device, or by. leading the threads over rods or hooks arranged in the bath or between the bath and the collecting device, or in the bath and between the bath and the collecting device.
• the speed of spinning may be varied within wide limits. As a ru e to which, however, the invention is not intended to be confined, it may be assumed that the upper limit of speed possible is dependent partly upon the temperature of the coagulatbe stretched in any ing bath, partly upon the length of immeris used at a for example atis 60 to 120, for example 80 centimetres, and
• the distance between the coagulating, bath and the collecting device is 60 to 150 centimetres, for instance 120 centimetres, and if the stretching given the thread between the coagulating bath and the collecting device is comparatively hi h,
• the speed may be increased.
• the threads Before being washed, the threads may be treated in any known manner with a precipitating bath known in the viscose-silk art, for example a solution of sodium bisulphate or sodium bisulphite or with dilute sulphuric acid or the like.
• a precipitating bath known in the viscose-silk art, for example a solution of sodium bisulphate or sodium bisulphite or with dilute sulphuric acid or the like.
• the washed threads may, before or after drying, be heated (for example at 100110 C.) or steamed.
• the mode of operation is as in (0), except that 75 to 150 parts by weight of carbon bisulphide are employed for the sulphidizing of the soda-cellulose.
• the mode of operation is as in (a) or (b), with the difference that the soda-cellulose is pressed to 200 parts by weight.
• Example I (w) to I (c) Mode of operation as in Example I (w) to I (c), with the exception that the soda cellulose is not allowed to mature at all or allowed to mature for 1 to 48 hours, for example for 3 to 24 hours only.
• artificial silk or staple fibre' which has a. considerably higher dry and wet tenacity than silk spun under same spinning conditions, but by means of chemicals customary 'in the viscose silk-art, for example by using a known precipitating bath.
• it is not difiicult to produce artificial silk having a dry tenacity of more than 2 grammes per denier, even more than 2,5 grammes per denier, for example 2,8 grammes to 3 grammes and more per denier and a wet tenacity of 1,5 to 2 grammes per denier and more.
• a viscose prepared as described in Example I or II is caused to pass through a suitable hopper or slit in one of the coagulating liquors mentioned in Example I, and after having left the precipitating bath, is washed and dried in any known manner.
• a cotton fabric is impregnated or filled or coated once or several times with a viscose prepared according to one of the methods described in Example I or II, for which purpose any suitable machine, such as a pad ding machine or a back filling machine or a spreading machine may be employed.
• a filling substance for instance talcum or china clay or a colouring matter or a pigment such as mica, or soot or a mineral colour or the like.
• the impregnated or coated material is, without being dried, o tionally in the stretched state, taken throug one of the precipitating baths described in Example I, whereupon the material is washed and dried.
• viscose instead of wood pulp, there may be used bleached cotton, or cellulose treated in the cold or in the heat with dilute acids, for example hydrochloric or sulphuric acid, in short any kind of cellulosic bodies employed in, or proposed for the manufacture of viscose.
• dilute acids for example hydrochloric or sulphuric acid
• artificial material in the description and claims is intended to mean: artificial threads and filaments of any kind, for example artificial silk, staple fibre, artificial cotton, artificial wool, artificial hair, films, plates, coatings and fillings of any kind.
• heating in the claims is intended to cover any known kind of heating, steaming included.
• l. lrocess for manufacturing artificial materials from viscose, which comprises bringing a viscose containing not more than 5 per cent of caustic alkali (calculated as NaOH), into the form of an artificial material arid acting upon it with sulphuric acid, containing not less than but less than per cent of sulphuric acid monohydrate.
• Process for manufacturing artificial materials from .viscose which comprises causing a viscose containing not more than 5'per cent of caustic alkali (calculated as NaOH), to pass through suitably formed openings into a coagulating bath which contains not less than 45 but less than 55 per cent of sulphuric acid monohydrate and at least one other inorganic substance.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose containing not more than 5 per cent of caustic alkali (calculated as NaOH) to pass through a coagulating bath containing not less than but less than per cent of sulphuric acid monohydrate and giving the coagulated viscose a len h of immersion in the coagulating bath 0 30 to 200 centimeters.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose containin not more than 5 per cent of caustic alkali (calculated as N aOH) to pass through suitably formed openings into a coagulating bath containing not less than 45 but less than 55 per cent of sulphuric acid monohydrate and stretching the coagulated material in the coagulating bath.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose containin not more than 5 per cent of caustic alkali (calculated as NaOH) to pass through suitably formed openings into a coagulating bath containing not less than 45 but less than 55 per cent of sul huric acid monohydrate and stretching the -"coagulated material in the coagulating bath and between the coagulating bath and the collecting device.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose containing not more than 5 percent of caustic alkali (calculated as NaOH) to pass. through suitably formed openings into a coagulating bath containin notless than 45 but less than 55 per cent 0 sulphuric acid monohydrate and heatinthe' artificial material after washing an dryin it.
• rocess for manufacturing artificial materials from viscose which comprises bringing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to 48 hours, which viscose contains not more than 5 er'cent of caustic alkali (calculated as Na H), into the form of an artificial -material and acting u on it with sulphuric acid, containing not ess than 45 but less than 55 per cent of sulphuric acid monohydrate.
• Process for manufacturing artificial materials fromviscose which comprises bringing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to- 48 hours, which viscose contains not more than 5 per cent of caustic alkali (calculated as NaOH), into ,the form of an artificial material and acting it with a coa lating bath, contain ng not less than 45 ut less than 55 per cent of sulphuric acid monohydrate.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to 48 hours, 'which viscose contains not more than 5 per cent of caustic alkali (calculated as NaOH), to pass through suit-ably formed openin s into sulphuric acid containin not lesst an 45 but ess than 55 per cent 0 sulphuric acid monohydrate.
• materials from viscose which comprises causing a viscose, prepared from analkah cellulose which has been allowed to mature from naught to 48 hours, which viscose conupon tains not more than 5 per cent of caustic alkali (calculated as NaOH), to pass through suitably formed openin s intoa co-' agulating bath containing not ess than 45 but less than 55 per cent of sulphuric acid 45 but less than 55 per cent of sulphuric acid monoh drate and at least one other inorganic su stance.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to 48 hours, which viscose contains not more than 5 per cent of caustic alkali (calculated as NaOH), to pass through suitably formed openin s into a coagulating bath containing not ess than 45 but less than 55 per cent of sulphuric acid monohydrate and giving the coagulated viscose a length of immersion in the coagulating bath of 30 to 200 centimetres.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose, prepared from an alkali monohydrate and stretching thecoagul ated material in the coagulating bath.
• Proc ss for manufactu ng arti icial materials from viscose which comprises causing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to 48 hours, which viscose contains not more than 5 per cent of caustic alkali (calculated as NaOH), to pass through suitably formed openings into a coagulating bath containing not less than 45- but less than 55 per cent of sulphuric acid monohydrate and stretching the coagulated material between the coagulating bath and the collecting device.
• Process for manufacturing artificial materials from viscose which comprises but less than 55'per cent of sulphuric acid monohydrate and stretching the coagulated material in the coagulating bath and between the coagulating'bath and the collecting device.
• Process for manufacturing artificial materials from viscose which comprises causing a viscose, prepared from an alkali cellulose which has been allowed to mature from naught to 48 hours, which viscose contains not more than 5 per cent of caustic alkali (calculated as 'NaOH), to pass through suitably formed openings into a coagulating bath containing not less than 45 but less than 55 per cent of sulphuric acid monohydrate and heatin the artificial material after washing and drying it.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Artificial Filaments (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)
• Polysaccharides And Polysaccharide Derivatives (AREA)
• Manufacture Of Macromolecular Shaped Articles (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=32033793

Family Applications (8)

Family Applications Before (1)

Family Applications After (6)

Country Status (6)

Cited By (3)

Families Citing this family (38)

• 0
  • BE BE361387D patent/BE361387A/xx unknown
  • NL NL26633D patent/NL26633C/xx active
  • NL NL21473D patent/NL21473C/xx active
  • NL NL23112D patent/NL23112C/xx active
  • BE BE334767D patent/BE334767A/xx unknown
  • NL NL21442D patent/NL21442C/xx active
  • NL NL23093D patent/NL23093C/xx active
  • US US18170D patent/USRE18170E/en not_active Expired
  • NL NL23113D patent/NL23113C/xx active
  • BE BE342830D patent/BE342830A/xx unknown
• 1926
  • 1926-01-11 GB GB28291/26A patent/GB274690A/en not_active Expired
  • 1926-01-11 GB GB802/26A patent/GB274521A/en not_active Expired
  • 1926-06-03 US US113583A patent/US1683200A/en not_active Expired - Lifetime
  • 1926-06-03 US US113582A patent/US1820811A/en not_active Expired - Lifetime
  • 1926-06-19 DE DEL66100D patent/DE593833C/de not_active Expired
  • 1926-06-19 FR FR666178D patent/FR666178A/fr not_active Expired
  • 1926-06-24 DE DEL66126D patent/DE643543C/de not_active Expired
  • 1926-06-29 GB GB16363/26A patent/GB281351A/en not_active Expired
  • 1926-06-30 GB GB16449/26A patent/GB281352A/en not_active Expired
  • 1926-12-23 US US156751A patent/US1683199A/en not_active Expired - Lifetime
  • 1926-12-29 FR FR35551D patent/FR35551E/fr not_active Expired
• 1927
  • 1927-01-05 GB GB331/27A patent/GB264161A/en not_active Expired
  • 1927-04-25 US US186575A patent/US1989098A/en not_active Expired - Lifetime
  • 1927-05-06 GB GB17713/27A patent/GB298548A/en not_active Expired
  • 1927-06-02 FR FR35751D patent/FR35751E/fr not_active Expired
  • 1927-06-11 FR FR35752D patent/FR35752E/fr not_active Expired
  • 1927-06-12 DE DEL68873D patent/DE542713C/de not_active Expired
• 1928
  • 1928-06-11 GB GB16908/28A patent/GB319293A/en not_active Expired
  • 1928-07-13 GB GB20417/28A patent/GB317608A/en not_active Expired
  • 1928-08-11 GB GB23231/28A patent/GB321679A/en not_active Expired
• 1929
  • 1929-05-29 US US367149A patent/US1881742A/en not_active Expired - Lifetime
  • 1929-05-29 US US367148A patent/US1989099A/en not_active Expired - Lifetime
  • 1929-06-10 FR FR37021D patent/FR37021E/fr not_active Expired
  • 1929-07-31 FR FR37344D patent/FR37344E/fr not_active Expired
• 1934
  • 1934-10-25 US US750017A patent/US2112499A/en not_active Expired - Lifetime

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