GB1074122A - Stable solutions of starch and other polysaccharides in dimethyl sulfoxide - Google Patents

Stable solutions of starch and other polysaccharides in dimethyl sulfoxide

Info

Publication number
GB1074122A
GB1074122A GB25201/63A GB2520163A GB1074122A GB 1074122 A GB1074122 A GB 1074122A GB 25201/63 A GB25201/63 A GB 25201/63A GB 2520163 A GB2520163 A GB 2520163A GB 1074122 A GB1074122 A GB 1074122A
Authority
GB
United Kingdom
Prior art keywords
starch
sulphoxide
polysaccharide
dimethyl sulphoxide
solution
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
GB25201/63A
Inventor
Harish Chandra Srivastava
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.)
AHMEDABAD TEXTILE IND
Original Assignee
AHMEDABAD TEXTILE IND
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 AHMEDABAD TEXTILE IND filed Critical AHMEDABAD TEXTILE IND
Priority to GB25201/63A priority Critical patent/GB1074122A/en
Publication of GB1074122A publication Critical patent/GB1074122A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/11—Starch or derivatives thereof
    • 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
    • C08B31/08—Ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Polysaccharide ethers are made by treating a solution of the polysaccharide in dimethyl sulphoxide or dimethyl sulphoxide-water mixture with an etherifying reagent. The solution may be made by adding the polysaccharide to the sulphoxide while stirring and heating, adding more sulphoxide if a gel is formed, or by stirring a mixture of the polysaccharide and sulphoxide at room temperature for at least 8 hours. Specified polysaccharides are starch, amylose, xylan, dextrin, arabinogalactans, glucomannans, galactomannans, plant gums, glycogen, dextrans, hemicelluloses, and tamarind kernal mucilage, Examples describe the preparation of methyl, hydroxy-ethyl, hydroxy-propyl, and carboxymethyl ethers of starch.ALSO:Cotton textiles are sized by applying thereto a solution of starch and/or other polysaccharide in dimethyl sulphoxide or dimethyl sulphoxide-water mixture. In an Example, cotton yarns sized at 95 DEG C with 5% solutions of starch in mixtures of dimethyl sulphoxide and water, are dried at 150 DEG C.ALSO:An indicator for use in iodometric titrations comprises a solution of starch or amylose in dimethyl sulphoxide or dimethyl sulphoxidewater mixture. In an Example, 1% solutions of starch and amylose in dimethyl sulphoxide are used in the titration of iodine against sodium thiosulphate.
GB25201/63A 1963-06-25 1963-06-25 Stable solutions of starch and other polysaccharides in dimethyl sulfoxide Expired GB1074122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB25201/63A GB1074122A (en) 1963-06-25 1963-06-25 Stable solutions of starch and other polysaccharides in dimethyl sulfoxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25201/63A GB1074122A (en) 1963-06-25 1963-06-25 Stable solutions of starch and other polysaccharides in dimethyl sulfoxide

Publications (1)

Publication Number Publication Date
GB1074122A true GB1074122A (en) 1967-06-28

Family

ID=10223866

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25201/63A Expired GB1074122A (en) 1963-06-25 1963-06-25 Stable solutions of starch and other polysaccharides in dimethyl sulfoxide

Country Status (1)

Country Link
GB (1) GB1074122A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999055736A2 (en) * 1998-04-27 1999-11-04 Larex, Inc. Derivatives of arabinogalactan and compositions including the same
US6210678B1 (en) 1997-09-24 2001-04-03 The University Of Montana Reduction of pathogenic bacteria in food products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6210678B1 (en) 1997-09-24 2001-04-03 The University Of Montana Reduction of pathogenic bacteria in food products
WO1999055736A2 (en) * 1998-04-27 1999-11-04 Larex, Inc. Derivatives of arabinogalactan and compositions including the same
WO1999055736A3 (en) * 1998-04-27 1999-12-16 Larex Inc Derivatives of arabinogalactan and compositions including the same
US6290978B2 (en) 1998-04-27 2001-09-18 Larex, Inc. Derivatives of arabinogalactan and compositions including the same

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