JPS5131787A - - Google Patents

Info

Publication number
JPS5131787A
JPS5131787A JP50084350A JP8435075A JPS5131787A JP S5131787 A JPS5131787 A JP S5131787A JP 50084350 A JP50084350 A JP 50084350A JP 8435075 A JP8435075 A JP 8435075A JP S5131787 A JPS5131787 A JP S5131787A
Authority
JP
Japan
Prior art keywords
cellulose
ester
water
solvent
sulphates
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.)
Granted
Application number
JP50084350A
Other languages
Japanese (ja)
Other versions
JPS5328345B2 (en
Inventor
Jooji Shueigaa Richaado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS5131787A publication Critical patent/JPS5131787A/ja
Publication of JPS5328345B2 publication Critical patent/JPS5328345B2/ja
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/34—Introducing sulfur atoms or sulfur-containing groups
    • C08F8/36—Sulfonation; Sulfation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/02—Esters
    • C08B31/06—Esters of inorganic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/02—Cellulose nitrate, i.e. nitrocellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/14—Cellulose sulfate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1521125 Cellulose nitrites, sulphates and nitrates R G SCHWEIGER 8 July 1975 [10 July 1974] 28676/75 Heading C3A Nitrite esters of cellulose which may be converted to sulphates or nitrates are prepared by reacting water-containing, cellulose having not more than 12% water content with dinitrogen tetroxide or nitrosyl chloride at less than 50‹ C. with stirring in the presence of at least three parts by weight of a swelling or solubilizing solvent for the nitrite ester per part by weight of cellulose in the presence of proton acceptor. The cellulose preferably contains 4-12% water by treatment with a highly polar aprotic solvent. The solvent used is N,N-dimethylformamide and the highly polar aprotic solvent may be N,N-dimethylformamide, N,N-dimethylacetamide or pyridine. The sulphate ester may be prepared by reacting the nitrile ester with SO3 or a complex thereof and neutralizing with a base to give the alkali salt form.
JP8435075A 1974-07-10 1975-07-09 Expired JPS5328345B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48719674A 1974-07-10 1974-07-10

Publications (2)

Publication Number Publication Date
JPS5131787A true JPS5131787A (en) 1976-03-18
JPS5328345B2 JPS5328345B2 (en) 1978-08-14

Family

ID=23934765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8435075A Expired JPS5328345B2 (en) 1974-07-10 1975-07-09

Country Status (17)

Country Link
JP (1) JPS5328345B2 (en)
AR (1) AR215842A1 (en)
AU (1) AU504059B2 (en)
BE (1) BE831238A (en)
BR (1) BR7504317A (en)
CA (1) CA1051880A (en)
DE (1) DE2530451A1 (en)
EG (1) EG12431A (en)
FI (1) FI62542C (en)
GB (1) GB1521125A (en)
HU (1) HU175674B (en)
IT (1) IT1045532B (en)
NL (1) NL169884C (en)
NO (2) NO141994C (en)
PH (1) PH14624A (en)
RO (1) RO76171A (en)
SE (1) SE7507871L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134191U (en) * 1977-03-30 1978-10-24
JPS57160590A (en) * 1981-03-31 1982-10-02 Matsushita Electric Works Ltd Welding method for contact point

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035322B4 (en) * 2007-07-25 2011-11-17 Friedrich-Schiller-Universität Jena Process for the preparation of water-soluble, low-substituted cellulose sulfates

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134191U (en) * 1977-03-30 1978-10-24
JPS57160590A (en) * 1981-03-31 1982-10-02 Matsushita Electric Works Ltd Welding method for contact point
JPS636317B2 (en) * 1981-03-31 1988-02-09 Matsushita Electric Works Ltd

Also Published As

Publication number Publication date
NL7508261A (en) 1976-01-13
BR7504317A (en) 1976-07-06
AU504059B2 (en) 1979-10-04
BE831238A (en) 1976-01-12
EG12431A (en) 1979-06-30
NO791389L (en) 1976-01-13
JPS5328345B2 (en) 1978-08-14
SE7507871L (en) 1976-01-12
FI62542B (en) 1982-09-30
HU175674B (en) 1980-09-28
GB1521125A (en) 1978-08-16
AR215842A1 (en) 1979-11-15
FI62542C (en) 1983-01-10
NO141994B (en) 1980-03-03
PH14624A (en) 1981-10-12
NL169884C (en) 1982-09-01
NO141994C (en) 1980-06-25
NO752460L (en) 1976-01-13
FI751951A (en) 1976-01-11
AU8288175A (en) 1977-02-10
NL169884B (en) 1982-04-01
IT1045532B (en) 1980-05-10
RO76171A (en) 1981-11-04
DE2530451A1 (en) 1976-01-29
CA1051880A (en) 1979-04-03

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