IT1032324B - Procedimento per la produzione di cellulosa alcalina attiva e prodotto relativo - Google Patents

Procedimento per la produzione di cellulosa alcalina attiva e prodotto relativo

Info

Publication number
IT1032324B
IT1032324B IT48624/75A IT4862475A IT1032324B IT 1032324 B IT1032324 B IT 1032324B IT 48624/75 A IT48624/75 A IT 48624/75A IT 4862475 A IT4862475 A IT 4862475A IT 1032324 B IT1032324 B IT 1032324B
Authority
IT
Italy
Prior art keywords
procedure
production
related product
alkaline cellulose
active alkaline
Prior art date
Application number
IT48624/75A
Other languages
English (en)
Original Assignee
Crown Zellerbach Corp
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 by Crown Zellerbach Corp filed Critical Crown Zellerbach Corp
Application granted granted Critical
Publication of IT1032324B publication Critical patent/IT1032324B/it

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
    • C08B1/08—Alkali cellulose
    • 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
    • C08B1/08—Alkali cellulose
    • C08B1/10—Apparatus for the preparation of alkali cellulose

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
IT48624/75A 1974-03-15 1975-03-14 Procedimento per la produzione di cellulosa alcalina attiva e prodotto relativo IT1032324B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US451646A US3915959A (en) 1974-03-15 1974-03-15 Activated alkali cellulose and derivatives formed therefrom and a process for making the same

Publications (1)

Publication Number Publication Date
IT1032324B true IT1032324B (it) 1979-05-30

Family

ID=23793097

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48624/75A IT1032324B (it) 1974-03-15 1975-03-14 Procedimento per la produzione di cellulosa alcalina attiva e prodotto relativo

Country Status (9)

Country Link
US (1) US3915959A (it)
JP (1) JPS50157482A (it)
CA (1) CA1047034A (it)
DE (1) DE2511031A1 (it)
FR (1) FR2264037B1 (it)
GB (1) GB1494047A (it)
IT (1) IT1032324B (it)
NL (1) NL7503080A (it)
SE (1) SE7502774L (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022965A (en) * 1975-01-13 1977-05-10 Crown Zellerbach Corporation Process for producing reactive, homogeneous, self-bondable lignocellulose fibers
US4063018A (en) * 1975-04-07 1977-12-13 Daicel Ltd. Process for preparing alkali metal salt of carboxymethyl cellulose ether
US4016353A (en) * 1975-04-14 1977-04-05 Crown Zellerbach Corporation Process for producing organic acid esters of cellulose
US4275195A (en) * 1975-05-09 1981-06-23 Fiber Associates Process and apparatus for expediting the mercerization of alkali cellulose
US4015067A (en) * 1975-08-18 1977-03-29 The Dow Chemical Company Method of preparing polysaccharide ethers and apparatus
FR2381790A1 (fr) * 1977-02-25 1978-09-22 Crown Zellerbach Corp Procede pour la preparation d'esters d'acides organiques de cellulose
US4361463A (en) * 1979-10-09 1982-11-30 Billerud Uddeholm Aktiebolag Method in the production of dissolving pulp
US7108907B1 (en) * 1999-11-08 2006-09-19 Asahi Kasei Kabushiki Kaisha Cellulose dope and method for producing the same
FR2872705B1 (fr) * 2004-07-08 2008-07-18 Aventis Pharma Sa Compositions contenant du nicorandil, procede de preparation et utilisation
US7585387B2 (en) * 2005-03-11 2009-09-08 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Chemical oxidation for cellulose separation with a hypochlorite and peroxide mixture
JP5052112B2 (ja) * 2005-12-27 2012-10-17 信越化学工業株式会社 アルカリセルロース及びセルロースエーテルの製造方法
GB2463523B (en) * 2008-09-17 2013-05-01 Medtrade Products Ltd Wound care device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1279328A (en) * 1915-01-22 1918-09-17 Viscose Co Manufacture and production of cellulose compounds.
US1507210A (en) * 1921-04-05 1924-09-02 Eastman Kodak Co Process of making cellulose ethers
US1578405A (en) * 1925-01-20 1926-03-30 Cew Judson A De Process of hydration in paper making using friction
US2568783A (en) * 1948-03-04 1951-09-25 Bauer Bros Co Temperature controlled mill base
US2767170A (en) * 1951-08-29 1956-10-16 Hercules Powder Co Ltd Preparation of alkali cellulose
US3322748A (en) * 1962-02-20 1967-05-30 Shikoku Kasei Kogyo Company Lt Process for producing cellulose derivatives
US3273807A (en) * 1963-08-05 1966-09-20 Bauer Bros Co Refiner system
US3597310A (en) * 1966-04-25 1971-08-03 Kokusaku Pulp Ind Co Ltd Method of producing high yield pulp by disc refining at ph of 12 to 14
US3382140A (en) * 1966-12-30 1968-05-07 Crown Zellerbach Corp Process for fibrillating cellulosic fibers and products thereof
BE759977A (fr) * 1969-12-08 1971-06-07 Kalle Ag Procede et dispositif pour l'alcalinisation homogene de cellulose
US3661328A (en) * 1970-03-30 1972-05-09 Bauer Bros Co Pulp refining system and process
US3808090A (en) * 1970-10-01 1974-04-30 F Luhde Mechanical abrasion of wood particles in the presence of water and in an inert gaseous atmosphere

Also Published As

Publication number Publication date
FR2264037B1 (it) 1979-03-23
NL7503080A (nl) 1975-09-17
FR2264037A1 (it) 1975-10-10
US3915959A (en) 1975-10-28
GB1494047A (en) 1977-12-07
CA1047034A (en) 1979-01-23
SE7502774L (it) 1975-09-16
JPS50157482A (it) 1975-12-19
DE2511031A1 (de) 1975-09-18

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