FR783449A - Process for preparing homogeneous solutions of cellulose in sulfuric acid and other acids or mixtures of acids and similar threads, films, ribbons and other artificial products obtained by this process - Google Patents

Process for preparing homogeneous solutions of cellulose in sulfuric acid and other acids or mixtures of acids and similar threads, films, ribbons and other artificial products obtained by this process

Info

Publication number
FR783449A
FR783449A FR783449DA FR783449A FR 783449 A FR783449 A FR 783449A FR 783449D A FR783449D A FR 783449DA FR 783449 A FR783449 A FR 783449A
Authority
FR
France
Prior art keywords
acids
ribbons
films
cellulose
mixtures
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
Application number
Other languages
French (fr)
Inventor
Jan Cornelis De Nooij
Dirk Jan Gerritsen
Enrico Fontana Jucker
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR783449A publication Critical patent/FR783449A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR783449D 1934-12-29 1934-12-29 Process for preparing homogeneous solutions of cellulose in sulfuric acid and other acids or mixtures of acids and similar threads, films, ribbons and other artificial products obtained by this process Expired FR783449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR783449T 1934-12-29

Publications (1)

Publication Number Publication Date
FR783449A true FR783449A (en) 1935-07-12

Family

ID=9215800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783449D Expired FR783449A (en) 1934-12-29 1934-12-29 Process for preparing homogeneous solutions of cellulose in sulfuric acid and other acids or mixtures of acids and similar threads, films, ribbons and other artificial products obtained by this process

Country Status (1)

Country Link
FR (1) FR783449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904700C (en) * 1940-12-29 1954-02-22 Walter Koenig Dr Ing Process for the production of moldings, such as films or threads, by coagulating cellulose solutions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904700C (en) * 1940-12-29 1954-02-22 Walter Koenig Dr Ing Process for the production of moldings, such as films or threads, by coagulating cellulose solutions

Similar Documents

Publication Publication Date Title
BE457245R (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR795092A (en) Process for preparing hydrocyanic acid
FR783449A (en) Process for preparing homogeneous solutions of cellulose in sulfuric acid and other acids or mixtures of acids and similar threads, films, ribbons and other artificial products obtained by this process
FR804045A (en) Process for recovering hydrocyanic acid
BE414290A (en) Process for the production of citric acid
FR798371A (en) Process for preparing hydrocyanic acid
FR824016A (en) Process for preparing solutions of cellulose in sulfuric acid
FR870261A (en) Process for the preparation of solutions of cellulose in sulfuric acid
FR840824A (en) Process for the preparation of new ethers-salts of diphenyleneacetic acid
FR52141E (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR52048E (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR51958E (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR53821E (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR838367A (en) Process for preparing calcium, strontium, barium or lead salts of acid esters of sulfuric acid, containing more than six carbon atoms in the molecule
FR52826E (en) Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products
FR827123A (en) Sulfuric acid polymerization process of olefins
FR631386A (en) Process for obtaining acetic acid at high concentration from solutions of acetylcellulose in acetic acid
BE343474A (en) Process for obtaining acetic acid at high concentration from solutions of acetylcellulose in acetic acid
FR792722A (en) Process for producing cellulose while obtaining oxalic acid
FR751160A (en) Process for the preparation of acetic acid
FR830858A (en) Process for the preparation of new carbonic acid derivatives
FR774172A (en) Process for preparing monochloroacetic acid
FR788198A (en) Process for the manufacture of therapeutic preparations releasing carbonic acid
FR784225A (en) Process for preparing alkali metal nitrates by reaction of nitrogenous acid with alkali metal chlorides in aqueous solution
FR822533A (en) Process for the preparation of thioformic acid amides