RU96100384A - METHOD FOR PRODUCING A HYDROGEL GENERATOR FROM CHITOZAN - Google Patents

METHOD FOR PRODUCING A HYDROGEL GENERATOR FROM CHITOZAN

Info

Publication number
RU96100384A
RU96100384A RU96100384/04A RU96100384A RU96100384A RU 96100384 A RU96100384 A RU 96100384A RU 96100384/04 A RU96100384/04 A RU 96100384/04A RU 96100384 A RU96100384 A RU 96100384A RU 96100384 A RU96100384 A RU 96100384A
Authority
RU
Russia
Prior art keywords
producing
chitozan
chitosan
glutaraldehyde
hydrogel
Prior art date
Application number
RU96100384/04A
Other languages
Russian (ru)
Other versions
RU2099352C1 (en
Inventor
В.Н. Чернецкий
В.Л. Львов
Н.Э. Нифантьев
Original Assignee
В.Н. Чернецкий
В.Л. Львов
Н.Э. Нифантьев
Filing date
Publication date
Application filed by В.Н. Чернецкий, В.Л. Львов, Н.Э. Нифантьев filed Critical В.Н. Чернецкий
Priority to RU96100384A priority Critical patent/RU2099352C1/en
Priority claimed from RU96100384A external-priority patent/RU2099352C1/en
Application granted granted Critical
Publication of RU2099352C1 publication Critical patent/RU2099352C1/en
Publication of RU96100384A publication Critical patent/RU96100384A/en

Links

Claims (1)

Способ получения гидрогелеобразователя из хитозана реакцией последнего с глутаровым альдегидом с последующим восстановлением, отличающийся тем, что реакцию хитозана с глутаровым альдегидом проводят в ацетатном буфере при рН 3,5 - 5,5, ионной силе раствора 0,1 - 0,5 и мольном соотношении глутаровый альдегид : хитозан 1 : 6 - 15, продукт реакции восстанавливают борогидридом натрия с последующим выделением гидрогелеобразователя фильтрованием, промывкой и сушкой.A method of producing a hydrogel former from chitosan by reaction of the latter with glutaraldehyde followed by reduction, characterized in that the reaction of chitosan with glutaraldehyde is carried out in acetate buffer at pH 3.5-5.5, the ionic strength of the solution is 0.1-0.5 and the molar ratio glutaraldehyde: chitosan 1: 6-15, the reaction product is reduced with sodium borohydride, followed by separation of the hydrogel former by filtration, washing and drying.
RU96100384A 1996-01-10 1996-01-10 Method for production of hydrogel-forming agent of chitosan RU2099352C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96100384A RU2099352C1 (en) 1996-01-10 1996-01-10 Method for production of hydrogel-forming agent of chitosan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96100384A RU2099352C1 (en) 1996-01-10 1996-01-10 Method for production of hydrogel-forming agent of chitosan

Publications (2)

Publication Number Publication Date
RU2099352C1 RU2099352C1 (en) 1997-12-20
RU96100384A true RU96100384A (en) 1998-01-10

Family

ID=20175564

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96100384A RU2099352C1 (en) 1996-01-10 1996-01-10 Method for production of hydrogel-forming agent of chitosan

Country Status (1)

Country Link
RU (1) RU2099352C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2559429C1 (en) * 2014-05-21 2015-08-10 Эдуард Валентинович Фрончек Method of obtaining chitosan-based hydrogelling agent

Similar Documents

Publication Publication Date Title
DE69803145T2 (en) Improved pre-treatment process for the conversion of cellulose into fuel-ethanol
MY111428A (en) Titanium dioxide slurries
BR9200366A (en) PROCESS TO PRODUCE TITANIUM DIOXIDE, FINE PARTICULATE TITANIUM DIOXIDE AND AQUEOUS TITANIUM DIOXIDE SUSPENSION
BR9612297A (en) 1,1,1,3,3-pentafluorpropane production method
CA2358022A1 (en) Purification of polysaccharide-protein conjugate vaccines by ultrafiltration with ammonium sulfate solutions
CA2198240A1 (en) Topical ketoconazole emulsions
CY2440B1 (en) Process improvement in the synthesis of N-A3-(3-cyanopyrazolo A1,5-aUpyrimidin-7-yl)phenylU-N-ethyl-acetamide.
DE68923227T2 (en) Vector to raster conversion process.
CA2378718A1 (en) Process for flocculating suspensions
ZA966764B (en) Dewatering of aqueous suspensions.
ZA965233B (en) TiO2 slurry process.
AU2572784A (en) Method for producing a modified aqueous chlorite solution, solution produced thereby and utilization thereof
UA27822C2 (en) Method for producing cellulose acetate bundle
HUP9700189A3 (en) Process for producing 5-amino-2,4,6-triiode-1,3-benzenedicarboxylic acid
ZA931629B (en) Polysulfide production in white liquor.
RU96100384A (en) METHOD FOR PRODUCING A HYDROGEL GENERATOR FROM CHITOZAN
AU8586291A (en) Method for producing vanadium electrolytic solution
RU97113725A (en) METHOD FOR JOINT PRODUCTION OF CALCIUM CARBONATE AND SODIUM HYDROXIDE
HUT61792A (en) Process for purifying aqueous n-methylmorpholine-n-oxide solution
EP0496351A3 (en) Acid heteropolysaccharide, sulfated polysaccharide and process for producing the same
GB9516444D0 (en) Process for the production of n,n-dimethyl-n'-phenylureas
EP0679655A3 (en) Process for producing ascorbic acid derivative.
IL115564A (en) Process for the recovery of ascorbic acid from an aqueous feed solution
RU95121269A (en) METHOD FOR PRODUCING CHITOZAN
GB9614359D0 (en) Process for producing c2-substituted optically active 2,3-dihydro-4h-pyran-4-one