FI810886L - Foerfarande foer aktivering av dissolvingmassa foer att underlaetta esterifiering - Google Patents

Foerfarande foer aktivering av dissolvingmassa foer att underlaetta esterifiering

Info

Publication number
FI810886L
FI810886L FI810886A FI810886A FI810886L FI 810886 L FI810886 L FI 810886L FI 810886 A FI810886 A FI 810886A FI 810886 A FI810886 A FI 810886A FI 810886 L FI810886 L FI 810886L
Authority
FI
Finland
Prior art keywords
foer
esterifiering
dissolvingmassa
aktivering
foerfarande
Prior art date
Application number
FI810886A
Other languages
English (en)
Other versions
FI66396C (fi
FI66396B (fi
Inventor
Vacheslav Y Yasnovsky
Donald M Macdonald
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Publication of FI810886L publication Critical patent/FI810886L/fi
Application granted granted Critical
Publication of FI66396B publication Critical patent/FI66396B/fi
Publication of FI66396C publication Critical patent/FI66396C/fi

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
    • C08B1/02—Rendering cellulose suitable for esterification

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)
  • Paper (AREA)
FI810886A 1980-03-24 1981-03-23 Foerfarande foer foerbehandling av dissolvingmassa foer foerestring FI66396C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/132,913 US4336370A (en) 1980-03-24 1980-03-24 Process for activating cellulose pulp to improve ease of esterification
US13291380 1980-03-24

Publications (3)

Publication Number Publication Date
FI810886L true FI810886L (fi) 1981-09-25
FI66396B FI66396B (fi) 1984-06-29
FI66396C FI66396C (fi) 1984-10-10

Family

ID=22456146

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810886A FI66396C (fi) 1980-03-24 1981-03-23 Foerfarande foer foerbehandling av dissolvingmassa foer foerestring

Country Status (5)

Country Link
US (1) US4336370A (fi)
CA (1) CA1156649A (fi)
FI (1) FI66396C (fi)
IT (1) IT1144323B (fi)
NO (1) NO810979L (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60260517A (ja) * 1984-06-08 1985-12-23 Daicel Chem Ind Ltd 食品及び薬剤用組成物
JP2999293B2 (ja) * 1991-07-02 2000-01-17 ダイセル化学工業株式会社 酢酸セルロースの製造方法
US5487419A (en) * 1993-07-09 1996-01-30 Microcell, Inc. Redispersible microdenominated cellulose
US5385640A (en) * 1993-07-09 1995-01-31 Microcell, Inc. Process for making microdenominated cellulose
EA022464B1 (ru) * 2012-11-23 2016-01-29 Сумгаитский Государственный Университет Способ активации целлюлозы

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300824A (fi) *
GB237567A (en) * 1924-07-28 1925-11-26 Ste Chim Usines Rhone Improvements in the process for the preliminary treatment of cellulose prior to esterification
US1783184A (en) * 1927-03-12 1930-12-02 Celanese Corp Process of treating cellulosic material
CA986101A (en) * 1973-06-28 1976-03-23 Canadian Cellulose Company Production of cellulose esters
US4016353A (en) * 1975-04-14 1977-04-05 Crown Zellerbach Corporation Process for producing organic acid esters of cellulose

Also Published As

Publication number Publication date
CA1156649A (en) 1983-11-08
NO810979L (no) 1981-09-25
FI66396C (fi) 1984-10-10
IT1144323B (it) 1986-10-29
IT8167400A0 (it) 1981-03-23
FI66396B (fi) 1984-06-29
US4336370A (en) 1982-06-22

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: INTERNATIONAL PAPER COMPANY